#!/usr/bin/env python
## WARNING: This file is generated
#!/usr/bin/env python
"""Create a "virtual" Python installation
"""

import sys
import os
import optparse
import shutil
import logging
import distutils.sysconfig
try:
    import subprocess
except ImportError, e:
    if sys.version_info <= (2, 3):
        print 'ERROR: %s' % e
        print 'ERROR: this script requires Python 2.4 or greater; or at least the subprocess module.'
        print 'If you copy subprocess.py from a newer version of Python this script will probably work'
        sys.exit(101)
    else:
        raise
try:
    set
except NameError:
    from sets import Set as set
    
join = os.path.join
py_version = 'python%s.%s' % (sys.version_info[0], sys.version_info[1])
is_jython = sys.platform.startswith('java')
expected_exe = is_jython and 'jython' or 'python'

REQUIRED_MODULES = ['os', 'posix', 'posixpath', 'ntpath', 'genericpath',
                    'fnmatch', 'locale', 'encodings', 'codecs',
                    'stat', 'UserDict', 'readline', 'copy_reg', 'types',
                    're', 'sre', 'sre_parse', 'sre_constants', 'sre_compile',
                    'lib-dynload', 'config', 'zlib']

if sys.version_info[:2] == (2, 6):
    REQUIRED_MODULES.extend(['warnings', 'linecache', '_abcoll', 'abc'])
if sys.version_info[:2] <= (2, 3):
    REQUIRED_MODULES.extend(['sets', '__future__'])

class Logger(object):

    """
    Logging object for use in command-line script.  Allows ranges of
    levels, to avoid some redundancy of displayed information.
    """

    DEBUG = logging.DEBUG
    INFO = logging.INFO
    NOTIFY = (logging.INFO+logging.WARN)/2
    WARN = WARNING = logging.WARN
    ERROR = logging.ERROR
    FATAL = logging.FATAL

    LEVELS = [DEBUG, INFO, NOTIFY, WARN, ERROR, FATAL]

    def __init__(self, consumers):
        self.consumers = consumers
        self.indent = 0
        self.in_progress = None
        self.in_progress_hanging = False

    def debug(self, msg, *args, **kw):
        self.log(self.DEBUG, msg, *args, **kw)
    def info(self, msg, *args, **kw):
        self.log(self.INFO, msg, *args, **kw)
    def notify(self, msg, *args, **kw):
        self.log(self.NOTIFY, msg, *args, **kw)
    def warn(self, msg, *args, **kw):
        self.log(self.WARN, msg, *args, **kw)
    def error(self, msg, *args, **kw):
        self.log(self.WARN, msg, *args, **kw)
    def fatal(self, msg, *args, **kw):
        self.log(self.FATAL, msg, *args, **kw)
    def log(self, level, msg, *args, **kw):
        if args:
            if kw:
                raise TypeError(
                    "You may give positional or keyword arguments, not both")
        args = args or kw
        rendered = None
        for consumer_level, consumer in self.consumers:
            if self.level_matches(level, consumer_level):
                if (self.in_progress_hanging
                    and consumer in (sys.stdout, sys.stderr)):
                    self.in_progress_hanging = False
                    sys.stdout.write('\n')
                    sys.stdout.flush()
                if rendered is None:
                    if args:
                        rendered = msg % args
                    else:
                        rendered = msg
                    rendered = ' '*self.indent + rendered
                if hasattr(consumer, 'write'):
                    consumer.write(rendered+'\n')
                else:
                    consumer(rendered)

    def start_progress(self, msg):
        assert not self.in_progress, (
            "Tried to start_progress(%r) while in_progress %r"
            % (msg, self.in_progress))
        if self.level_matches(self.NOTIFY, self._stdout_level()):
            sys.stdout.write(msg)
            sys.stdout.flush()
            self.in_progress_hanging = True
        else:
            self.in_progress_hanging = False
        self.in_progress = msg

    def end_progress(self, msg='done.'):
        assert self.in_progress, (
            "Tried to end_progress without start_progress")
        if self.stdout_level_matches(self.NOTIFY):
            if not self.in_progress_hanging:
                # Some message has been printed out since start_progress
                sys.stdout.write('...' + self.in_progress + msg + '\n')
                sys.stdout.flush()
            else:
                sys.stdout.write(msg + '\n')
                sys.stdout.flush()
        self.in_progress = None
        self.in_progress_hanging = False

    def show_progress(self):
        """If we are in a progress scope, and no log messages have been
        shown, write out another '.'"""
        if self.in_progress_hanging:
            sys.stdout.write('.')
            sys.stdout.flush()

    def stdout_level_matches(self, level):
        """Returns true if a message at this level will go to stdout"""
        return self.level_matches(level, self._stdout_level())

    def _stdout_level(self):
        """Returns the level that stdout runs at"""
        for level, consumer in self.consumers:
            if consumer is sys.stdout:
                return level
        return self.FATAL

    def level_matches(self, level, consumer_level):
        """
        >>> l = Logger()
        >>> l.level_matches(3, 4)
        False
        >>> l.level_matches(3, 2)
        True
        >>> l.level_matches(slice(None, 3), 3)
        False
        >>> l.level_matches(slice(None, 3), 2)
        True
        >>> l.level_matches(slice(1, 3), 1)
        True
        >>> l.level_matches(slice(2, 3), 1)
        False
        """
        if isinstance(level, slice):
            start, stop = level.start, level.stop
            if start is not None and start > consumer_level:
                return False
            if stop is not None or stop <= consumer_level:
                return False
            return True
        else:
            return level >= consumer_level

    #@classmethod
    def level_for_integer(cls, level):
        levels = cls.LEVELS
        if level < 0:
            return levels[0]
        if level >= len(levels):
            return levels[-1]
        return levels[level]

    level_for_integer = classmethod(level_for_integer)

def mkdir(path):
    if not os.path.exists(path):
        logger.info('Creating %s', path)
        os.makedirs(path)
    else:
        logger.info('Directory %s already exists', path)

def copyfile(src, dest, symlink=True):
    if not os.path.exists(src):
        # Some bad symlink in the src
        logger.warn('Cannot find file %s (bad symlink)', src)
        return
    if os.path.exists(dest):
        logger.debug('File %s already exists', dest)
        return
    if not os.path.exists(os.path.dirname(dest)):
        logger.info('Creating parent directories for %s' % os.path.dirname(dest))
        os.makedirs(os.path.dirname(dest))
    if symlink and hasattr(os, 'symlink'):
        logger.info('Symlinking %s', dest)
        os.symlink(os.path.abspath(src), dest)
    else:
        logger.info('Copying to %s', dest)
        if os.path.isdir(src):
            shutil.copytree(src, dest, True)
        else:
            shutil.copy2(src, dest)

def writefile(dest, content, overwrite=True):
    if not os.path.exists(dest):
        logger.info('Writing %s', dest)
        f = open(dest, 'wb')
        f.write(content)
        f.close()
        return
    else:
        f = open(dest, 'rb')
        c = f.read()
        f.close()
        if c != content:
            if not overwrite:
                logger.notify('File %s exists with different content; not overwriting', dest)
                return
            logger.notify('Overwriting %s with new content', dest)
            f = open(dest, 'wb')
            f.write(content)
            f.close()
        else:
            logger.info('Content %s already in place', dest)

def rmtree(dir):
    if os.path.exists(dir):
        logger.notify('Deleting tree %s', dir)
        shutil.rmtree(dir)
    else:
        logger.info('Do not need to delete %s; already gone', dir)

def make_exe(fn):
    if hasattr(os, 'chmod'):
        oldmode = os.stat(fn).st_mode & 07777
        newmode = (oldmode | 0555) & 07777
        os.chmod(fn, newmode)
        logger.info('Changed mode of %s to %s', fn, oct(newmode))

def install_setuptools(py_executable, unzip=False):
    setup_fn = 'setuptools-0.6c9-py%s.egg' % sys.version[:3]
    search_dirs = ['.', os.path.dirname(__file__), join(os.path.dirname(__file__), 'support-files')]
    if os.path.splitext(os.path.dirname(__file__))[0] != 'virtualenv':
        # Probably some boot script; just in case virtualenv is installed...
        try:
            import virtualenv
        except ImportError:
            pass
        else:
            search_dirs.append(os.path.join(os.path.dirname(virtualenv.__file__), 'support-files'))
    for dir in search_dirs:
        if os.path.exists(join(dir, setup_fn)):
            setup_fn = join(dir, setup_fn)
            break
    if is_jython and os._name == 'nt':
        # Jython's .bat sys.executable can't handle a command line
        # argument with newlines
        import tempfile
        fd, ez_setup = tempfile.mkstemp('.py')
        os.write(fd, EZ_SETUP_PY)
        os.close(fd)
        cmd = [py_executable, ez_setup]
    else:
        cmd = [py_executable, '-c', EZ_SETUP_PY]
    if unzip:
        cmd.append('--always-unzip')
    env = {}
    if logger.stdout_level_matches(logger.DEBUG):
        cmd.append('-v')
    if os.path.exists(setup_fn):
        logger.info('Using existing Setuptools egg: %s', setup_fn)
        cmd.append(setup_fn)
        if os.environ.get('PYTHONPATH'):
            env['PYTHONPATH'] = setup_fn + os.path.pathsep + os.environ['PYTHONPATH']
        else:
            env['PYTHONPATH'] = setup_fn
    else:
        logger.info('No Setuptools egg found; downloading')
        cmd.extend(['--always-copy', '-U', 'setuptools'])
    logger.start_progress('Installing setuptools...')
    logger.indent += 2
    cwd = None
    if not os.access(os.getcwd(), os.W_OK):
        cwd = '/tmp'
    try:
        call_subprocess(cmd, show_stdout=False,
                        filter_stdout=filter_ez_setup,
                        extra_env=env,
                        cwd=cwd)
    finally:
        logger.indent -= 2
        logger.end_progress()
        if is_jython and os._name == 'nt':
            os.remove(ez_setup)

def filter_ez_setup(line):
    if not line.strip():
        return Logger.DEBUG
    for prefix in ['Reading ', 'Best match', 'Processing setuptools',
                   'Copying setuptools', 'Adding setuptools',
                   'Installing ', 'Installed ']:
        if line.startswith(prefix):
            return Logger.DEBUG
    return Logger.INFO

def main():
    parser = optparse.OptionParser(
        version="1.3.4dev",
        usage="%prog [OPTIONS] DEST_DIR")

    parser.add_option(
        '-v', '--verbose',
        action='count',
        dest='verbose',
        default=0,
        help="Increase verbosity")

    parser.add_option(
        '-q', '--quiet',
        action='count',
        dest='quiet',
        default=0,
        help='Decrease verbosity')

    parser.add_option(
        '-p', '--python',
        dest='python',
        metavar='PYTHON_EXE',
        help='The Python interpreter to use, e.g., --python=python2.5 will use the python2.5 '
        'interpreter to create the new environment.  The default is the interpreter that '
        'virtualenv was installed with (%s)' % sys.executable)

    parser.add_option(
        '--clear',
        dest='clear',
        action='store_true',
        help="Clear out the non-root install and start from scratch")

    parser.add_option(
        '--no-site-packages',
        dest='no_site_packages',
        action='store_true',
        help="Don't give access to the global site-packages dir to the "
             "virtual environment")

    parser.add_option(
        '--unzip-setuptools',
        dest='unzip_setuptools',
        action='store_true',
        help="Unzip Setuptools when installing it")

    parser.add_option(
        '--relocatable',
        dest='relocatable',
        action='store_true',
        help='Make an EXISTING virtualenv environment relocatable.  '
        'This fixes up scripts and makes all .pth files relative')

    if 'extend_parser' in globals():
        extend_parser(parser)

    options, args = parser.parse_args()

    global logger

    if 'adjust_options' in globals():
        adjust_options(options, args)

    verbosity = options.verbose - options.quiet
    logger = Logger([(Logger.level_for_integer(2-verbosity), sys.stdout)])

    if options.python and not os.environ.get('VIRTUALENV_INTERPRETER_RUNNING'):
        env = os.environ.copy()
        interpreter = resolve_interpreter(options.python)
        if interpreter == sys.executable:
            logger.warn('Already using interpreter %s' % interpreter)
        else:
            logger.notify('Running virtualenv with interpreter %s' % interpreter)
            env['VIRTUALENV_INTERPRETER_RUNNING'] = 'true'
            file = __file__
            if file.endswith('.pyc'):
                file = file[:-1]
            os.execvpe(interpreter, [interpreter, file] + sys.argv[1:], env)

    if not args:
        print 'You must provide a DEST_DIR'
        parser.print_help()
        sys.exit(2)
    if len(args) > 1:
        print 'There must be only one argument: DEST_DIR (you gave %s)' % (
            ' '.join(args))
        parser.print_help()
        sys.exit(2)

    home_dir = args[0]

    if os.environ.get('WORKING_ENV'):
        logger.fatal('ERROR: you cannot run virtualenv while in a workingenv')
        logger.fatal('Please deactivate your workingenv, then re-run this script')
        sys.exit(3)

    if os.environ.get('PYTHONHOME'):
        if sys.platform == 'win32':
            name = '%PYTHONHOME%'
        else:
            name = '$PYTHONHOME'
        logger.warn('%s is set; this can cause problems creating environments' % name)

    if options.relocatable:
        make_environment_relocatable(home_dir)
        return

    create_environment(home_dir, site_packages=not options.no_site_packages, clear=options.clear,
                       unzip_setuptools=options.unzip_setuptools)
    if 'after_install' in globals():
        after_install(options, home_dir)

def call_subprocess(cmd, show_stdout=True,
                    filter_stdout=None, cwd=None,
                    raise_on_returncode=True, extra_env=None):
    cmd_parts = []
    for part in cmd:
        if len(part) > 40:
            part = part[:30]+"..."+part[-5:]
        if ' ' in part or '\n' in part or '"' in part or "'" in part:
            part = '"%s"' % part.replace('"', '\\"')
        cmd_parts.append(part)
    cmd_desc = ' '.join(cmd_parts)
    if show_stdout:
        stdout = None
    else:
        stdout = subprocess.PIPE
    logger.debug("Running command %s" % cmd_desc)
    if extra_env:
        env = os.environ.copy()
        env.update(extra_env)
    else:
        env = None
    try:
        proc = subprocess.Popen(
            cmd, stderr=subprocess.STDOUT, stdin=None, stdout=stdout,
            cwd=cwd, env=env)
    except Exception, e:
        logger.fatal(
            "Error %s while executing command %s" % (e, cmd_desc))
        raise
    all_output = []
    if stdout is not None:
        stdout = proc.stdout
        while 1:
            line = stdout.readline()
            if not line:
                break
            line = line.rstrip()
            all_output.append(line)
            if filter_stdout:
                level = filter_stdout(line)
                if isinstance(level, tuple):
                    level, line = level
                logger.log(level, line)
                if not logger.stdout_level_matches(level):
                    logger.show_progress()
            else:
                logger.info(line)
    else:
        proc.communicate()
    proc.wait()
    if proc.returncode:
        if raise_on_returncode:
            if all_output:
                logger.notify('Complete output from command %s:' % cmd_desc)
                logger.notify('\n'.join(all_output) + '\n----------------------------------------')
            raise OSError(
                "Command %s failed with error code %s"
                % (cmd_desc, proc.returncode))
        else:
            logger.warn(
                "Command %s had error code %s"
                % (cmd_desc, proc.returncode))


def create_environment(home_dir, site_packages=True, clear=False,
                       unzip_setuptools=False):
    """
    Creates a new environment in ``home_dir``.

    If ``site_packages`` is true (the default) then the global
    ``site-packages/`` directory will be on the path.

    If ``clear`` is true (default False) then the environment will
    first be cleared.
    """
    home_dir, lib_dir, inc_dir, bin_dir = path_locations(home_dir)

    py_executable = install_python(
        home_dir, lib_dir, inc_dir, bin_dir, 
        site_packages=site_packages, clear=clear)

    install_distutils(lib_dir, home_dir)

    install_setuptools(py_executable, unzip=unzip_setuptools)

    install_activate(home_dir, bin_dir)

def path_locations(home_dir):
    """Return the path locations for the environment (where libraries are,
    where scripts go, etc)"""
    # XXX: We'd use distutils.sysconfig.get_python_inc/lib but its
    # prefix arg is broken: http://bugs.python.org/issue3386
    if sys.platform == 'win32':
        # Windows has lots of problems with executables with spaces in
        # the name; this function will remove them (using the ~1
        # format):
        mkdir(home_dir)
        if ' ' in home_dir:
            try:
                pass
            except ImportError:
                print 'Error: the path "%s" has a space in it' % home_dir
                pass
                print '  http://sourceforge.net/projects/pywin32/'
                sys.exit(3)
            pass
        lib_dir = join(home_dir, 'Lib')
        inc_dir = join(home_dir, 'Include')
        bin_dir = join(home_dir, 'Scripts')
    elif is_jython:
        lib_dir = join(home_dir, 'Lib')
        inc_dir = join(home_dir, 'Include')
        bin_dir = join(home_dir, 'bin')
    else:
        lib_dir = join(home_dir, 'lib', py_version)
        inc_dir = join(home_dir, 'include', py_version)
        bin_dir = join(home_dir, 'bin')
    return home_dir, lib_dir, inc_dir, bin_dir

def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear):
    """Install just the base environment, no distutils patches etc"""
    if sys.executable.startswith(bin_dir):
        print 'Please use the *system* python to run this script'
        return
        
    if clear:
        rmtree(lib_dir)
        # pyutilib.virtualenv: ignoring comment
        ## Maybe it should delete everything with #!/path/to/venv/python in it
        logger.notify('Not deleting %s', bin_dir)

    if hasattr(sys, 'real_prefix'):
        logger.notify('Using real prefix %r' % sys.real_prefix)
        prefix = sys.real_prefix
    else:
        prefix = sys.prefix
    mkdir(lib_dir)
    fix_lib64(lib_dir)
    stdlib_dirs = [os.path.dirname(os.__file__)]
    if sys.platform == 'win32':
        stdlib_dirs.append(join(os.path.dirname(stdlib_dirs[0]), 'DLLs'))
    elif sys.platform == 'darwin':
        stdlib_dirs.append(join(stdlib_dirs[0], 'site-packages'))
    for stdlib_dir in stdlib_dirs:
        if not os.path.isdir(stdlib_dir):
            continue
        if hasattr(os, 'symlink'):
            logger.info('Symlinking Python bootstrap modules')
        else:
            logger.info('Copying Python bootstrap modules')
        logger.indent += 2
        try:
            for fn in os.listdir(stdlib_dir):
                if fn != 'site-packages' and os.path.splitext(fn)[0] in REQUIRED_MODULES:
                    copyfile(join(stdlib_dir, fn), join(lib_dir, fn))
        finally:
            logger.indent -= 2
    mkdir(join(lib_dir, 'site-packages'))
    writefile(join(lib_dir, 'site.py'), SITE_PY)
    writefile(join(lib_dir, 'orig-prefix.txt'), prefix)
    site_packages_filename = join(lib_dir, 'no-global-site-packages.txt')
    if not site_packages:
        writefile(site_packages_filename, '')
    else:
        if os.path.exists(site_packages_filename):
            logger.info('Deleting %s' % site_packages_filename)
            os.unlink(site_packages_filename)

    stdinc_dir = join(prefix, 'include', py_version)
    if os.path.exists(stdinc_dir):
        copyfile(stdinc_dir, inc_dir)
    else:
        logger.debug('No include dir %s' % stdinc_dir)

    if sys.exec_prefix != prefix:
        if sys.platform == 'win32':
            exec_dir = join(sys.exec_prefix, 'lib')
        elif is_jython:
            exec_dir = join(sys.exec_prefix, 'Lib')
        else:
            exec_dir = join(sys.exec_prefix, 'lib', py_version)
        for fn in os.listdir(exec_dir):
            copyfile(join(exec_dir, fn), join(lib_dir, fn))
    
    if is_jython:
        # Jython has either jython-dev.jar and javalib/ dir, or just
        # jython.jar
        for name in 'jython-dev.jar', 'javalib', 'jython.jar':
            src = join(prefix, name)
            if os.path.exists(src):
                copyfile(src, join(home_dir, name))
        # XXX: registry should always exist after Jython 2.5rc1
        src = join(prefix, 'registry')
        if os.path.exists(src):
            copyfile(src, join(home_dir, 'registry'), symlink=False)
        copyfile(join(prefix, 'cachedir'), join(home_dir, 'cachedir'),
                 symlink=False)

    mkdir(bin_dir)
    py_executable = join(bin_dir, os.path.basename(sys.executable))
    if 'Python.framework' in prefix:
        if py_executable.endswith('/Python'):
            # The name of the python executable is not quite what
            # we want, rename it.
            py_executable = os.path.join(
                    os.path.dirname(py_executable), 'python')

    logger.notify('New %s executable in %s', expected_exe, py_executable)
    if sys.executable != py_executable:
        # pyutilib.virtualenv: ignoring comment
        executable = sys.executable
        if sys.platform == 'cygwin' and os.path.exists(executable + '.exe'):
            # Cygwin misreports sys.executable sometimes
            executable += '.exe'
            py_executable += '.exe'
            logger.info('Executable actually exists in %s' % executable)
        shutil.copyfile(executable, py_executable)
        make_exe(py_executable)
        if sys.platform == 'win32' or sys.platform == 'cygwin':
            pythonw = os.path.join(os.path.dirname(sys.executable), 'pythonw.exe')
            if os.path.exists(pythonw):
                logger.info('Also created pythonw.exe')
                shutil.copyfile(pythonw, os.path.join(os.path.dirname(py_executable), 'pythonw.exe'))
                
    if os.path.splitext(os.path.basename(py_executable))[0] != expected_exe:
        secondary_exe = os.path.join(os.path.dirname(py_executable),
                                     expected_exe)
        py_executable_ext = os.path.splitext(py_executable)[1]
        if py_executable_ext == '.exe':
            # python2.4 gives an extension of '.4' :P
            secondary_exe += py_executable_ext
        if os.path.exists(secondary_exe):
            logger.warn('Not overwriting existing %s script %s (you must use %s)'
                        % (expected_exe, secondary_exe, py_executable))
        else:
            logger.notify('Also creating executable in %s' % secondary_exe)
            shutil.copyfile(sys.executable, secondary_exe)
            make_exe(secondary_exe)
    
    if 'Python.framework' in prefix:
        logger.debug('MacOSX Python framework detected')
        
        # Make sure we use the the embedded interpreter inside
        # the framework, even if sys.executable points to
        # the stub executable in ${sys.prefix}/bin
        # See http://groups.google.com/group/python-virtualenv/
        #                              browse_thread/thread/17cab2f85da75951
        shutil.copy(
                os.path.join(
                    prefix, 'Resources/Python.app/Contents/MacOS/Python'),
                py_executable)

        # Copy the framework's dylib into the virtual 
        # environment
        virtual_lib = os.path.join(home_dir, '.Python')

        if os.path.exists(virtual_lib):
            os.unlink(virtual_lib)
        copyfile(
            os.path.join(prefix, 'Python'),
            virtual_lib)

        # And then change the install_name of the copied python executable
        try:
            call_subprocess(
                ["install_name_tool", "-change",
                 os.path.join(prefix, 'Python'),
                 '@executable_path/../.Python',
                 py_executable])
        except:
            logger.fatal(
                "Could not call install_name_tool -- you must have Apple's development tools installed")
            raise

        # Some tools depend on pythonX.Y being present
        py_executable_version = '%s.%s' % (
            sys.version_info[0], sys.version_info[1])
        if not py_executable.endswith(py_executable_version):
            # symlinking pythonX.Y > python
            pth = py_executable + '%s.%s' % (
                    sys.version_info[0], sys.version_info[1])
            if os.path.exists(pth):
                os.unlink(pth)
            os.symlink('python', pth)
        else:
            # reverse symlinking python -> pythonX.Y (with --python)
            pth = join(bin_dir, 'python')
            if os.path.exists(pth):
                os.unlink(pth)
            os.symlink(os.path.basename(py_executable), pth)

    if sys.platform == 'win32' and ' ' in py_executable:
        # There's a bug with subprocess on Windows when using a first
        # argument that has a space in it.  Instead we have to quote
        # the value:
        py_executable = '"%s"' % py_executable
    cmd = [py_executable, '-c', 'import sys; print sys.prefix']
    logger.info('Testing executable with %s %s "%s"' % tuple(cmd))
    proc = subprocess.Popen(cmd,
                            stdout=subprocess.PIPE)
    proc_stdout, proc_stderr = proc.communicate()
    proc_stdout = os.path.normcase(os.path.abspath(proc_stdout.strip()))
    if proc_stdout != os.path.normcase(os.path.abspath(home_dir)):
        logger.fatal(
            'ERROR: The executable %s is not functioning' % py_executable)
        logger.fatal(
            'ERROR: It thinks sys.prefix is %r (should be %r)'
            % (proc_stdout, os.path.normcase(os.path.abspath(home_dir))))
        logger.fatal(
            'ERROR: virtualenv is not compatible with this system or executable')
        sys.exit(100)
    else:
        logger.info('Got sys.prefix result: %r' % proc_stdout)

    pydistutils = os.path.expanduser('~/.pydistutils.cfg')
    if os.path.exists(pydistutils):
        logger.notify('Please make sure you remove any previous custom paths from '
                      'your %s file.' % pydistutils)
    # pyutilib.virtualenv: ignoring comment
    return py_executable

def install_activate(home_dir, bin_dir):
    if sys.platform == 'win32' or is_jython and os._name == 'nt':
        files = {'activate.bat': ACTIVATE_BAT,
                 'deactivate.bat': DEACTIVATE_BAT}
        if os.environ.get('OS') == 'Windows_NT' and os.environ.get('OSTYPE') == 'cygwin':
            files['activate'] = ACTIVATE_SH
    else:
        files = {'activate': ACTIVATE_SH}
    files['activate_this.py'] = ACTIVATE_THIS
    for name, content in files.items():
        content = content.replace('__VIRTUAL_ENV__', os.path.abspath(home_dir))
        content = content.replace('__VIRTUAL_NAME__', os.path.basename(os.path.abspath(home_dir)))
        content = content.replace('__BIN_NAME__', os.path.basename(bin_dir))
        writefile(os.path.join(bin_dir, name), content)

def install_distutils(lib_dir, home_dir):
    distutils_path = os.path.join(lib_dir, 'distutils')
    mkdir(distutils_path)
    # pyutilib.virtualenv: ignoring comment
    ## there's a local distutils.cfg with a prefix setting?
    home_dir = os.path.abspath(home_dir)
    # pyutilib.virtualenv: ignoring comment
    #distutils_cfg = DISTUTILS_CFG + "\n[install]\nprefix=%s\n" % home_dir
    writefile(os.path.join(distutils_path, '__init__.py'), DISTUTILS_INIT)
    writefile(os.path.join(distutils_path, 'distutils.cfg'), DISTUTILS_CFG, overwrite=False)

def fix_lib64(lib_dir):
    """
    Some platforms (particularly Gentoo on x64) put things in lib64/pythonX.Y
    instead of lib/pythonX.Y.  If this is such a platform we'll just create a
    symlink so lib64 points to lib
    """
    if [p for p in distutils.sysconfig.get_config_vars().values() 
        if isinstance(p, basestring) and 'lib64' in p]:
        logger.debug('This system uses lib64; symlinking lib64 to lib')
        assert os.path.basename(lib_dir) == 'python%s' % sys.version[:3], (
            "Unexpected python lib dir: %r" % lib_dir)
        lib_parent = os.path.dirname(lib_dir)
        assert os.path.basename(lib_parent) == 'lib', (
            "Unexpected parent dir: %r" % lib_parent)
        copyfile(lib_parent, os.path.join(os.path.dirname(lib_parent), 'lib64'))

def resolve_interpreter(exe):
    """
    If the executable given isn't an absolute path, search $PATH for the interpreter
    """
    if os.path.abspath(exe) != exe:
        paths = os.environ.get('PATH', '').split(os.pathsep)
        for path in paths:
            if os.path.exists(os.path.join(path, exe)):
                exe = os.path.join(path, exe)
                break
    if not os.path.exists(exe):
        logger.fatal('The executable %s (from --python=%s) does not exist' % (exe, exe))
        sys.exit(3)
    return exe

############################################################
## Relocating the environment:

def make_environment_relocatable(home_dir):
    """
    Makes the already-existing environment use relative paths, and takes out 
    the #!-based environment selection in scripts.
    """
    activate_this = os.path.join(home_dir, 'bin', 'activate_this.py')
    if not os.path.exists(activate_this):
        logger.fatal(
            'The environment doesn\'t have a file %s -- please re-run virtualenv '
            'on this environment to update it' % activate_this)
    fixup_scripts(home_dir)
    fixup_pth_and_egg_link(home_dir)
    # pyutilib.virtualenv: ignoring comment

OK_ABS_SCRIPTS = ['python', 'python%s' % sys.version[:3],
                  'activate', 'activate.bat', 'activate_this.py']

def fixup_scripts(home_dir):
    # This is what we expect at the top of scripts:
    shebang = '#!%s/bin/python' % os.path.normcase(os.path.abspath(home_dir))
    # This is what we'll put:
    new_shebang = '#!/usr/bin/env python%s' % sys.version[:3]
    activate = "import os; activate_this=os.path.join(os.path.dirname(__file__), 'activate_this.py'); execfile(activate_this, dict(__file__=activate_this)); del os, activate_this"
    bin_dir = os.path.join(home_dir, 'bin')
    for filename in os.listdir(bin_dir):
        filename = os.path.join(bin_dir, filename)
        f = open(filename, 'rb')
        lines = f.readlines()
        f.close()
        if not lines:
            logger.warn('Script %s is an empty file' % filename)
            continue
        if not lines[0].strip().startswith(shebang):
            if os.path.basename(filename) in OK_ABS_SCRIPTS:
                logger.debug('Cannot make script %s relative' % filename)
            elif lines[0].strip() == new_shebang:
                logger.info('Script %s has already been made relative' % filename)
            else:
                logger.warn('Script %s cannot be made relative (it\'s not a normal script that starts with %s)'
                            % (filename, shebang))
            continue
        logger.notify('Making script %s relative' % filename)
        lines = [new_shebang+'\n', activate+'\n'] + lines[1:]
        f = open(filename, 'wb')
        f.writelines(lines)
        f.close()

def fixup_pth_and_egg_link(home_dir):
    """Makes .pth and .egg-link files use relative paths"""
    home_dir = os.path.normcase(os.path.abspath(home_dir))
    for path in sys.path:
        if not path:
            path = '.'
        if not os.path.isdir(path):
            continue
        path = os.path.normcase(os.path.abspath(path))
        if not path.startswith(home_dir):
            logger.debug('Skipping system (non-environment) directory %s' % path)
            continue
        for filename in os.listdir(path):
            filename = os.path.join(path, filename)
            if filename.endswith('.pth'):
                if not os.access(filename, os.W_OK):
                    logger.warn('Cannot write .pth file %s, skipping' % filename)
                else:
                    fixup_pth_file(filename)
            if filename.endswith('.egg-link'):
                if not os.access(filename, os.W_OK):
                    logger.warn('Cannot write .egg-link file %s, skipping' % filename)
                else:
                    fixup_egg_link(filename)

def fixup_pth_file(filename):
    lines = []
    prev_lines = []
    f = open(filename)
    prev_lines = f.readlines()
    f.close()
    for line in prev_lines:
        line = line.strip()
        if (not line or line.startswith('#') or line.startswith('import ')
            or os.path.abspath(line) != line):
            lines.append(line)
        else:
            new_value = make_relative_path(filename, line)
            if line != new_value:
                logger.debug('Rewriting path %s as %s (in %s)' % (line, new_value, filename))
            lines.append(new_value)
    if lines == prev_lines:
        logger.info('No changes to .pth file %s' % filename)
        return
    logger.notify('Making paths in .pth file %s relative' % filename)
    f = open(filename, 'w')
    f.write('\n'.join(lines) + '\n')
    f.close()

def fixup_egg_link(filename):
    f = open(filename)
    link = f.read().strip()
    f.close()
    if os.path.abspath(link) != link:
        logger.debug('Link in %s already relative' % filename)
        return
    new_link = make_relative_path(filename, link)
    logger.notify('Rewriting link %s in %s as %s' % (link, filename, new_link))
    f = open(filename, 'w')
    f.write(new_link)
    f.close()

def make_relative_path(source, dest, dest_is_directory=True):
    """
    Make a filename relative, where the filename is dest, and it is
    being referred to from the filename source.

        >>> make_relative_path('/usr/share/something/a-file.pth',
        ...                    '/usr/share/another-place/src/Directory')
        '../another-place/src/Directory'
        >>> make_relative_path('/usr/share/something/a-file.pth',
        ...                    '/home/user/src/Directory')
        '../../../home/user/src/Directory'
        >>> make_relative_path('/usr/share/a-file.pth', '/usr/share/')
        './'
    """
    source = os.path.dirname(source)
    if not dest_is_directory:
        dest_filename = os.path.basename(dest)
        dest = os.path.dirname(dest)
    dest = os.path.normpath(os.path.abspath(dest))
    source = os.path.normpath(os.path.abspath(source))
    dest_parts = dest.strip(os.path.sep).split(os.path.sep)
    source_parts = source.strip(os.path.sep).split(os.path.sep)
    while dest_parts and source_parts and dest_parts[0] == source_parts[0]:
        dest_parts.pop(0)
        source_parts.pop(0)
    full_parts = ['..']*len(source_parts) + dest_parts
    if not dest_is_directory:
        full_parts.append(dest_filename)
    if not full_parts:
        # Special case for the current directory (otherwise it'd be '')
        return './'
    return os.path.sep.join(full_parts)
                


############################################################
## Bootstrap script creation:

def create_bootstrap_script(extra_text, python_version=''):
    """
    Creates a bootstrap script, which is like this script but with
    extend_parser, adjust_options, and after_install hooks.

    This returns a string that (written to disk of course) can be used
    as a bootstrap script with your own customizations.  The script
    will be the standard virtualenv.py script, with your extra text
    added (your extra text should be Python code).

    If you include these functions, they will be called:

    ``extend_parser(optparse_parser)``:
        You can add or remove options from the parser here.

    ``adjust_options(options, args)``:
        You can change options here, or change the args (if you accept
        different kinds of arguments, be sure you modify ``args`` so it is
        only ``[DEST_DIR]``).

    ``after_install(options, home_dir)``:

        After everything is installed, this function is called.  This
        is probably the function you are most likely to use.  An
        example would be::

            def after_install(options, home_dir):
                subprocess.call([join(home_dir, 'bin', 'easy_install'),
                                 'MyPackage'])
                subprocess.call([join(home_dir, 'bin', 'my-package-script'),
                                 'setup', home_dir])

        This example immediately installs a package, and runs a setup
        script from that package.

    If you provide something like ``python_version='2.4'`` then the
    script will start with ``#!/usr/bin/env python2.4`` instead of
    ``#!/usr/bin/env python``.  You can use this when the script must
    be run with a particular Python version.
    """
    filename = __file__
    if filename.endswith('.pyc'):
        filename = filename[:-1]
    f = open(filename, 'rb')
    content = f.read()
    f.close()
    py_exe = 'python%s' % python_version
    content = (('#!/usr/bin/env %s\n' % py_exe)
               + '## WARNING: This file is generated\n'
               + content)
    return content.replace('##EXT' 'END##', extra_text)


#
# Imported from odict.py
#

# odict.py
# An Ordered Dictionary object
# Copyright (C) 2005 Nicola Larosa, Michael Foord
# E-mail: nico AT tekNico DOT net, fuzzyman AT voidspace DOT org DOT uk

# This software is licensed under the terms of the BSD license.
# http://www.voidspace.org.uk/python/license.shtml
# Basically you're free to copy, modify, distribute and relicense it,
# So long as you keep a copy of the license with it.

# Documentation at http://www.voidspace.org.uk/python/odict.html
# For information about bugfixes, updates and support, please join the
# Pythonutils mailing list:
# http://groups.google.com/group/pythonutils/
# Comments, suggestions and bug reports welcome.

"""A dict that keeps keys in insertion order"""
#from __future__ import generators

__author__ = ('Nicola Larosa <nico-NoSp@m-tekNico.net>,'
    'Michael Foord <fuzzyman AT voidspace DOT org DOT uk>')

__docformat__ = "restructuredtext en"

__revision__ = '$Id: odict.py 129 2005-09-12 18:15:28Z teknico $'

__version__ = '0.2.2'

__all__ = ['OrderedDict', 'SequenceOrderedDict']

import sys
INTP_VER = sys.version_info[:2]
if INTP_VER < (2, 2):
    raise RuntimeError("Python v.2.2 or later required")

import types, warnings

class OrderedDict(dict):
    """
    A class of dictionary that keeps the insertion order of keys.
    
    All appropriate methods return keys, items, or values in an ordered way.
    
    All normal dictionary methods are available. Update and comparison is
    restricted to other OrderedDict objects.
    
    Various sequence methods are available, including the ability to explicitly
    mutate the key ordering.
    
    __contains__ tests:
    
    >>> d = OrderedDict(((1, 3),))
    >>> 1 in d
    1
    >>> 4 in d
    0
    
    __getitem__ tests:
    
    >>> OrderedDict(((1, 3), (3, 2), (2, 1)))[2]
    1
    >>> OrderedDict(((1, 3), (3, 2), (2, 1)))[4]
    Traceback (most recent call last):
    KeyError: 4
    
    __len__ tests:
    
    >>> len(OrderedDict())
    0
    >>> len(OrderedDict(((1, 3), (3, 2), (2, 1))))
    3
    
    get tests:
    
    >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
    >>> d.get(1)
    3
    >>> d.get(4) is None
    1
    >>> d.get(4, 5)
    5
    >>> d
    OrderedDict([(1, 3), (3, 2), (2, 1)])
    
    has_key tests:
    
    >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
    >>> d.has_key(1)
    1
    >>> d.has_key(4)
    0
    """

    def __init__(self, init_val=(), strict=False):
        """
        Create a new ordered dictionary. Cannot init from a normal dict,
        nor from kwargs, since items order is undefined in those cases.
        
        If the ``strict`` keyword argument is ``True`` (``False`` is the
        default) then when doing slice assignment - the ``OrderedDict`` you are
        assigning from *must not* contain any keys in the remaining dict.
        
        >>> OrderedDict()
        OrderedDict([])
        >>> OrderedDict({1: 1})
        Traceback (most recent call last):
        TypeError: undefined order, cannot get items from dict
        >>> OrderedDict({1: 1}.items())
        OrderedDict([(1, 1)])
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d
        OrderedDict([(1, 3), (3, 2), (2, 1)])
        >>> OrderedDict(d)
        OrderedDict([(1, 3), (3, 2), (2, 1)])
        """
        self.strict = strict
        dict.__init__(self)
        if isinstance(init_val, OrderedDict):
            self._sequence = init_val.keys()
            dict.update(self, init_val)
        elif isinstance(init_val, dict):
            # we lose compatibility with other ordered dict types this way
            raise TypeError('undefined order, cannot get items from dict')
        else:
            self._sequence = []
            self.update(init_val)

### Special methods ###

    def __delitem__(self, key):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> del d[3]
        >>> d
        OrderedDict([(1, 3), (2, 1)])
        >>> del d[3]
        Traceback (most recent call last):
        KeyError: 3
        >>> d[3] = 2
        >>> d
        OrderedDict([(1, 3), (2, 1), (3, 2)])
        >>> del d[0:1]
        >>> d
        OrderedDict([(2, 1), (3, 2)])
        """
        if isinstance(key, types.SliceType):
            # NOTE: efficiency?
            keys = self._sequence[key]
            for entry in keys:
                dict.__delitem__(self, entry)
            del self._sequence[key]
        else:
            # do the dict.__delitem__ *first* as it raises
            # the more appropriate error
            dict.__delitem__(self, key)
            self._sequence.remove(key)

    def __eq__(self, other):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d == OrderedDict(d)
        True
        >>> d == OrderedDict(((1, 3), (2, 1), (3, 2)))
        False
        >>> d == OrderedDict(((1, 0), (3, 2), (2, 1)))
        False
        >>> d == OrderedDict(((0, 3), (3, 2), (2, 1)))
        False
        >>> d == dict(d)
        False
        >>> d == False
        False
        """
        if isinstance(other, OrderedDict):
            # NOTE: efficiency?
            #   Generate both item lists for each compare
            return (self.items() == other.items())
        else:
            return False

    def __lt__(self, other):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> c = OrderedDict(((0, 3), (3, 2), (2, 1)))
        >>> c < d
        True
        >>> d < c
        False
        >>> d < dict(c)
        Traceback (most recent call last):
        TypeError: Can only compare with other OrderedDicts
        """
        if not isinstance(other, OrderedDict):
            raise TypeError('Can only compare with other OrderedDicts')
        # NOTE: efficiency?
        #   Generate both item lists for each compare
        return (self.items() < other.items())

    def __le__(self, other):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> c = OrderedDict(((0, 3), (3, 2), (2, 1)))
        >>> e = OrderedDict(d)
        >>> c <= d
        True
        >>> d <= c
        False
        >>> d <= dict(c)
        Traceback (most recent call last):
        TypeError: Can only compare with other OrderedDicts
        >>> d <= e
        True
        """
        if not isinstance(other, OrderedDict):
            raise TypeError('Can only compare with other OrderedDicts')
        # NOTE: efficiency?
        #   Generate both item lists for each compare
        return (self.items() <= other.items())

    def __ne__(self, other):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d != OrderedDict(d)
        False
        >>> d != OrderedDict(((1, 3), (2, 1), (3, 2)))
        True
        >>> d != OrderedDict(((1, 0), (3, 2), (2, 1)))
        True
        >>> d == OrderedDict(((0, 3), (3, 2), (2, 1)))
        False
        >>> d != dict(d)
        True
        >>> d != False
        True
        """
        if isinstance(other, OrderedDict):
            # NOTE: efficiency?
            #   Generate both item lists for each compare
            return not (self.items() == other.items())
        else:
            return True

    def __gt__(self, other):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> c = OrderedDict(((0, 3), (3, 2), (2, 1)))
        >>> d > c
        True
        >>> c > d
        False
        >>> d > dict(c)
        Traceback (most recent call last):
        TypeError: Can only compare with other OrderedDicts
        """
        if not isinstance(other, OrderedDict):
            raise TypeError('Can only compare with other OrderedDicts')
        # NOTE: efficiency?
        #   Generate both item lists for each compare
        return (self.items() > other.items())

    def __ge__(self, other):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> c = OrderedDict(((0, 3), (3, 2), (2, 1)))
        >>> e = OrderedDict(d)
        >>> c >= d
        False
        >>> d >= c
        True
        >>> d >= dict(c)
        Traceback (most recent call last):
        TypeError: Can only compare with other OrderedDicts
        >>> e >= d
        True
        """
        if not isinstance(other, OrderedDict):
            raise TypeError('Can only compare with other OrderedDicts')
        # NOTE: efficiency?
        #   Generate both item lists for each compare
        return (self.items() >= other.items())

    def __repr__(self):
        """
        Used for __repr__ and __str__
        
        >>> r1 = repr(OrderedDict((('a', 'b'), ('c', 'd'), ('e', 'f'))))
        >>> r1
        "OrderedDict([('a', 'b'), ('c', 'd'), ('e', 'f')])"
        >>> r2 = repr(OrderedDict((('a', 'b'), ('e', 'f'), ('c', 'd'))))
        >>> r2
        "OrderedDict([('a', 'b'), ('e', 'f'), ('c', 'd')])"
        >>> r1 == str(OrderedDict((('a', 'b'), ('c', 'd'), ('e', 'f'))))
        True
        >>> r2 == str(OrderedDict((('a', 'b'), ('e', 'f'), ('c', 'd'))))
        True
        """
        return '%s([%s])' % (self.__class__.__name__, ', '.join(
            ['(%r, %r)' % (key, self[key]) for key in self._sequence]))

    def __setitem__(self, key, val):
        """
        Allows slice assignment, so long as the slice is an OrderedDict
        >>> d = OrderedDict()
        >>> d['a'] = 'b'
        >>> d['b'] = 'a'
        >>> d[3] = 12
        >>> d
        OrderedDict([('a', 'b'), ('b', 'a'), (3, 12)])
        >>> d[:] = OrderedDict(((1, 2), (2, 3), (3, 4)))
        >>> d
        OrderedDict([(1, 2), (2, 3), (3, 4)])
        >>> d[::2] = OrderedDict(((7, 8), (9, 10)))
        >>> d
        OrderedDict([(7, 8), (2, 3), (9, 10)])
        >>> d = OrderedDict(((0, 1), (1, 2), (2, 3), (3, 4)))
        >>> d[1:3] = OrderedDict(((1, 2), (5, 6), (7, 8)))
        >>> d
        OrderedDict([(0, 1), (1, 2), (5, 6), (7, 8), (3, 4)])
        >>> d = OrderedDict(((0, 1), (1, 2), (2, 3), (3, 4)), strict=True)
        >>> d[1:3] = OrderedDict(((1, 2), (5, 6), (7, 8)))
        >>> d
        OrderedDict([(0, 1), (1, 2), (5, 6), (7, 8), (3, 4)])
        
        >>> a = OrderedDict(((0, 1), (1, 2), (2, 3)), strict=True)
        >>> a[3] = 4
        >>> a
        OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a[::1] = OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a
        OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a[:2] = OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4), (4, 5)])
        Traceback (most recent call last):
        ValueError: slice assignment must be from unique keys
        >>> a = OrderedDict(((0, 1), (1, 2), (2, 3)))
        >>> a[3] = 4
        >>> a
        OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a[::1] = OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a
        OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a[:2] = OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a
        OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a[::-1] = OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> a
        OrderedDict([(3, 4), (2, 3), (1, 2), (0, 1)])
        
        >>> d = OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> d[:1] = 3
        Traceback (most recent call last):
        TypeError: slice assignment requires an OrderedDict
        
        >>> d = OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
        >>> d[:1] = OrderedDict([(9, 8)])
        >>> d
        OrderedDict([(9, 8), (1, 2), (2, 3), (3, 4)])
        """
        if isinstance(key, types.SliceType):
            if not isinstance(val, OrderedDict):
                # NOTE: allow a list of tuples?
                raise TypeError('slice assignment requires an OrderedDict')
            keys = self._sequence[key]
            # NOTE: Could use ``range(*key.indices(len(self._sequence)))``
            indexes = range(len(self._sequence))[key]
            if key.step is None:
                # NOTE: new slice may not be the same size as the one being
                #   overwritten !
                # NOTE: What is the algorithm for an impossible slice?
                #   e.g. d[5:3]
                pos = key.start or 0
                del self[key]
                newkeys = val.keys()
                for k in newkeys:
                    if k in self:
                        if self.strict:
                            raise ValueError('slice assignment must be from '
                                'unique keys')
                        else:
                            # NOTE: This removes duplicate keys *first*
                            #   so start position might have changed?
                            del self[k]
                self._sequence = (self._sequence[:pos] + newkeys +
                    self._sequence[pos:])
                dict.update(self, val)
            else:
                # extended slice - length of new slice must be the same
                # as the one being replaced
                if len(keys) != len(val):
                    raise ValueError('attempt to assign sequence of size %s '
                        'to extended slice of size %s' % (len(val), len(keys)))
                # NOTE: efficiency?
                del self[key]
                item_list = zip(indexes, val.items())
                # smallest indexes first - higher indexes not guaranteed to
                # exist
                item_list.sort()
                for pos, (newkey, newval) in item_list:
                    if self.strict and newkey in self:
                        raise ValueError('slice assignment must be from unique'
                            ' keys')
                    self.insert(pos, newkey, newval)
        else:
            if key not in self:
                self._sequence.append(key)
            dict.__setitem__(self, key, val)

    def __getitem__(self, key):
        """
        Allows slicing. Returns an OrderedDict if you slice.
        >>> b = OrderedDict([(7, 0), (6, 1), (5, 2), (4, 3), (3, 4), (2, 5), (1, 6)])
        >>> b[::-1]
        OrderedDict([(1, 6), (2, 5), (3, 4), (4, 3), (5, 2), (6, 1), (7, 0)])
        >>> b[2:5]
        OrderedDict([(5, 2), (4, 3), (3, 4)])
        >>> type(b[2:4])
        <class '__main__.OrderedDict'>
        """
        if isinstance(key, types.SliceType):
            # NOTE: does this raise the error we want?
            keys = self._sequence[key]
            # NOTE: efficiency?
            return OrderedDict([(entry, self[entry]) for entry in keys])
        else:
            return dict.__getitem__(self, key)

    __str__ = __repr__

    def __setattr__(self, name, value):
        """
        Implemented so that accesses to ``sequence`` raise a warning and are
        diverted to the new ``setkeys`` method.
        """
        if name == 'sequence':
            warnings.warn('Use of the sequence attribute is deprecated.'
                ' Use the keys method instead.', DeprecationWarning)
            # NOTE: doesn't return anything
            self.setkeys(value)
        else:
            # NOTE: do we want to allow arbitrary setting of attributes?
            #   Or do we want to manage it?
            object.__setattr__(self, name, value)

    def __getattr__(self, name):
        """
        Implemented so that access to ``sequence`` raises a warning.
        
        >>> d = OrderedDict()
        >>> d.sequence
        []
        """
        if name == 'sequence':
            warnings.warn('Use of the sequence attribute is deprecated.'
                ' Use the keys method instead.', DeprecationWarning)
            # NOTE: Still (currently) returns a direct reference. Need to
            #   because code that uses sequence will expect to be able to
            #   mutate it in place.
            return self._sequence
        else:
            # raise the appropriate error
            raise AttributeError("OrderedDict has no '%s' attribute" % name)

    def __deepcopy__(self, memo):
        """
        To allow deepcopy to work with OrderedDict.
        
        >>> from copy import deepcopy
        >>> a = OrderedDict([(1, 1), (2, 2), (3, 3)])
        >>> a['test'] = {}
        >>> b = deepcopy(a)
        >>> b == a
        True
        >>> b is a
        False
        >>> a['test'] is b['test']
        False
        """
        from copy import deepcopy
        return self.__class__(deepcopy(self.items(), memo), self.strict)


### Read-only methods ###

    def copy(self):
        """
        >>> OrderedDict(((1, 3), (3, 2), (2, 1))).copy()
        OrderedDict([(1, 3), (3, 2), (2, 1)])
        """
        return OrderedDict(self)

    def items(self):
        """
        ``items`` returns a list of tuples representing all the 
        ``(key, value)`` pairs in the dictionary.
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.items()
        [(1, 3), (3, 2), (2, 1)]
        >>> d.clear()
        >>> d.items()
        []
        """
        return zip(self._sequence, self.values())

    def keys(self):
        """
        Return a list of keys in the ``OrderedDict``.
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.keys()
        [1, 3, 2]
        """
        return self._sequence[:]

    def values(self, values=None):
        """
        Return a list of all the values in the OrderedDict.
        
        Optionally you can pass in a list of values, which will replace the
        current list. The value list must be the same len as the OrderedDict.
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.values()
        [3, 2, 1]
        """
        return [self[key] for key in self._sequence]

    def iteritems(self):
        """
        >>> ii = OrderedDict(((1, 3), (3, 2), (2, 1))).iteritems()
        >>> ii.next()
        (1, 3)
        >>> ii.next()
        (3, 2)
        >>> ii.next()
        (2, 1)
        >>> ii.next()
        Traceback (most recent call last):
        StopIteration
        """
        def make_iter(self=self):
            keys = self.iterkeys()
            while True:
                key = keys.next()
                yield (key, self[key])
        return make_iter()

    def iterkeys(self):
        """
        >>> ii = OrderedDict(((1, 3), (3, 2), (2, 1))).iterkeys()
        >>> ii.next()
        1
        >>> ii.next()
        3
        >>> ii.next()
        2
        >>> ii.next()
        Traceback (most recent call last):
        StopIteration
        """
        return iter(self._sequence)

    __iter__ = iterkeys

    def itervalues(self):
        """
        >>> iv = OrderedDict(((1, 3), (3, 2), (2, 1))).itervalues()
        >>> iv.next()
        3
        >>> iv.next()
        2
        >>> iv.next()
        1
        >>> iv.next()
        Traceback (most recent call last):
        StopIteration
        """
        def make_iter(self=self):
            keys = self.iterkeys()
            while True:
                yield self[keys.next()]
        return make_iter()

### Read-write methods ###

    def clear(self):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.clear()
        >>> d
        OrderedDict([])
        """
        dict.clear(self)
        self._sequence = []

    def pop(self, key, *args):
        """
        No dict.pop in Python 2.2, gotta reimplement it
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.pop(3)
        2
        >>> d
        OrderedDict([(1, 3), (2, 1)])
        >>> d.pop(4)
        Traceback (most recent call last):
        KeyError: 4
        >>> d.pop(4, 0)
        0
        >>> d.pop(4, 0, 1)
        Traceback (most recent call last):
        TypeError: pop expected at most 2 arguments, got 3
        """
        if len(args) > 1:
            raise TypeError, ('pop expected at most 2 arguments, got %s' %
                (len(args) + 1))
        if key in self:
            val = self[key]
            del self[key]
        else:
            try:
                val = args[0]
            except IndexError:
                raise KeyError(key)
        return val

    def popitem(self, i=-1):
        """
        Delete and return an item specified by index, not a random one as in
        dict. The index is -1 by default (the last item).
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.popitem()
        (2, 1)
        >>> d
        OrderedDict([(1, 3), (3, 2)])
        >>> d.popitem(0)
        (1, 3)
        >>> OrderedDict().popitem()
        Traceback (most recent call last):
        KeyError: 'popitem(): dictionary is empty'
        >>> d.popitem(2)
        Traceback (most recent call last):
        IndexError: popitem(): index 2 not valid
        """
        if not self._sequence:
            raise KeyError('popitem(): dictionary is empty')
        try:
            key = self._sequence[i]
        except IndexError:
            raise IndexError('popitem(): index %s not valid' % i)
        return (key, self.pop(key))

    def setdefault(self, key, defval = None):
        """
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.setdefault(1)
        3
        >>> d.setdefault(4) is None
        True
        >>> d
        OrderedDict([(1, 3), (3, 2), (2, 1), (4, None)])
        >>> d.setdefault(5, 0)
        0
        >>> d
        OrderedDict([(1, 3), (3, 2), (2, 1), (4, None), (5, 0)])
        """
        if key in self:
            return self[key]
        else:
            self[key] = defval
            return defval

    def update(self, from_od):
        """
        Update from another OrderedDict or sequence of (key, value) pairs
        
        >>> d = OrderedDict(((1, 0), (0, 1)))
        >>> d.update(OrderedDict(((1, 3), (3, 2), (2, 1))))
        >>> d
        OrderedDict([(1, 3), (0, 1), (3, 2), (2, 1)])
        >>> d.update({4: 4})
        Traceback (most recent call last):
        TypeError: undefined order, cannot get items from dict
        >>> d.update((4, 4))
        Traceback (most recent call last):
        TypeError: cannot convert dictionary update sequence element "4" to a 2-item sequence
        """
        if isinstance(from_od, OrderedDict):
            for key, val in from_od.items():
                self[key] = val
        elif isinstance(from_od, dict):
            # we lose compatibility with other ordered dict types this way
            raise TypeError('undefined order, cannot get items from dict')
        else:
            # NOTE: efficiency?
            # sequence of 2-item sequences, or error
            for item in from_od:
                try:
                    key, val = item
                except TypeError:
                    raise TypeError('cannot convert dictionary update'
                        ' sequence element "%s" to a 2-item sequence' % item)
                self[key] = val

    def rename(self, old_key, new_key):
        """
        Rename the key for a given value, without modifying sequence order.
        
        For the case where new_key already exists this raise an exception,
        since if new_key exists, it is ambiguous as to what happens to the
        associated values, and the position of new_key in the sequence.
        
        >>> od = OrderedDict()
        >>> od['a'] = 1
        >>> od['b'] = 2
        >>> od.items()
        [('a', 1), ('b', 2)]
        >>> od.rename('b', 'c')
        >>> od.items()
        [('a', 1), ('c', 2)]
        >>> od.rename('c', 'a')
        Traceback (most recent call last):
        ValueError: New key already exists: 'a'
        >>> od.rename('d', 'b')
        Traceback (most recent call last):
        KeyError: 'd'
        """
        if new_key == old_key:
            # no-op
            return
        if new_key in self:
            raise ValueError("New key already exists: %r" % new_key)
        # rename sequence entry
        value = self[old_key] 
        old_idx = self._sequence.index(old_key)
        self._sequence[old_idx] = new_key
        # rename internal dict entry
        dict.__delitem__(self, old_key)
        dict.__setitem__(self, new_key, value)

    def setitems(self, items):
        """
        This method allows you to set the items in the dict.
        
        It takes a list of tuples - of the same sort returned by the ``items``
        method.
        
        >>> d = OrderedDict()
        >>> d.setitems(((3, 1), (2, 3), (1, 2)))
        >>> d
        OrderedDict([(3, 1), (2, 3), (1, 2)])
        """
        self.clear()
        # NOTE: this allows you to pass in an OrderedDict as well :-)
        self.update(items)

    def setkeys(self, keys):
        """
        ``setkeys`` all ows you to pass in a new list of keys which will
        replace the current set. This must contain the same set of keys, but
        need not be in the same order.
        
        If you pass in new keys that don't match, a ``KeyError`` will be
        raised.
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.keys()
        [1, 3, 2]
        >>> d.setkeys((1, 2, 3))
        >>> d
        OrderedDict([(1, 3), (2, 1), (3, 2)])
        >>> d.setkeys(['a', 'b', 'c'])
        Traceback (most recent call last):
        KeyError: 'Keylist is not the same as current keylist.'
        """
        # NOTE: Efficiency? (use set for Python 2.4 :-)
        # NOTE: list(keys) rather than keys[:] because keys[:] returns
        #   a tuple, if keys is a tuple.
        kcopy = list(keys)
        kcopy.sort()
        self._sequence.sort()
        if kcopy != self._sequence:
            raise KeyError('Keylist is not the same as current keylist.')
        # NOTE: This makes the _sequence attribute a new object, instead
        #       of changing it in place.
        # NOTE: efficiency?
        self._sequence = list(keys)

    def setvalues(self, values):
        """
        You can pass in a list of values, which will replace the
        current list. The value list must be the same len as the OrderedDict.
        
        (Or a ``ValueError`` is raised.)
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.setvalues((1, 2, 3))
        >>> d
        OrderedDict([(1, 1), (3, 2), (2, 3)])
        >>> d.setvalues([6])
        Traceback (most recent call last):
        ValueError: Value list is not the same length as the OrderedDict.
        """
        if len(values) != len(self):
            # NOTE: correct error to raise?
            raise ValueError('Value list is not the same length as the '
                'OrderedDict.')
        self.update(zip(self, values))

### Sequence Methods ###

    def index(self, key):
        """
        Return the position of the specified key in the OrderedDict.
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.index(3)
        1
        >>> d.index(4)
        Traceback (most recent call last):
        ValueError: list.index(x): x not in list
        """
        return self._sequence.index(key)

    def insert(self, index, key, value):
        """
        Takes ``index``, ``key``, and ``value`` as arguments.
        
        Sets ``key`` to ``value``, so that ``key`` is at position ``index`` in
        the OrderedDict.
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.insert(0, 4, 0)
        >>> d
        OrderedDict([(4, 0), (1, 3), (3, 2), (2, 1)])
        >>> d.insert(0, 2, 1)
        >>> d
        OrderedDict([(2, 1), (4, 0), (1, 3), (3, 2)])
        >>> d.insert(8, 8, 1)
        >>> d
        OrderedDict([(2, 1), (4, 0), (1, 3), (3, 2), (8, 1)])
        """
        if key in self:
            # NOTE: efficiency?
            del self[key]
        self._sequence.insert(index, key)
        dict.__setitem__(self, key, value)

    def reverse(self):
        """
        Reverse the order of the OrderedDict.
        
        >>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
        >>> d.reverse()
        >>> d
        OrderedDict([(2, 1), (3, 2), (1, 3)])
        """
        self._sequence.reverse()

    def sort(self, *args, **kwargs):
        """
        Sort the key order in the OrderedDict.
        
        This method takes the same arguments as the ``list.sort`` method on
        your version of Python.
        
        >>> d = OrderedDict(((4, 1), (2, 2), (3, 3), (1, 4)))
        >>> d.sort()
        >>> d
        OrderedDict([(1, 4), (2, 2), (3, 3), (4, 1)])
        """
        self._sequence.sort(*args, **kwargs)

class Keys(object):
    # NOTE: should this object be a subclass of list?
    """
    Custom object for accessing the keys of an OrderedDict.
    
    Can be called like the normal ``OrderedDict.keys`` method, but also
    supports indexing and sequence methods.
    """

    def __init__(self, main):
        self._main = main

    def __call__(self):
        """Pretend to be the keys method."""
        return self._main._keys()

    def __getitem__(self, index):
        """Fetch the key at position i."""
        # NOTE: this automatically supports slicing :-)
        return self._main._sequence[index]

    def __setitem__(self, index, name):
        """
        You cannot assign to keys, but you can do slice assignment to re-order
        them.
        
        You can only do slice assignment if the new set of keys is a reordering
        of the original set.
        """
        if isinstance(index, types.SliceType):
            # NOTE: efficiency?
            # check length is the same
            indexes = range(len(self._main._sequence))[index]
            if len(indexes) != len(name):
                raise ValueError('attempt to assign sequence of size %s '
                    'to slice of size %s' % (len(name), len(indexes)))
            # check they are the same keys
            # NOTE: Use set
            old_keys = self._main._sequence[index]
            new_keys = list(name)
            old_keys.sort()
            new_keys.sort()
            if old_keys != new_keys:
                raise KeyError('Keylist is not the same as current keylist.')
            orig_vals = [self._main[k] for k in name]
            del self._main[index]
            vals = zip(indexes, name, orig_vals)
            vals.sort()
            for i, k, v in vals:
                if self._main.strict and k in self._main:
                    raise ValueError('slice assignment must be from '
                        'unique keys')
                self._main.insert(i, k, v)
        else:
            raise ValueError('Cannot assign to keys')

    ### following methods pinched from UserList and adapted ###
    def __repr__(self): return repr(self._main._sequence)

    # NOTE: do we need to check if we are comparing with another ``Keys``
    #   object? (like the __cast method of UserList)
    def __lt__(self, other): return self._main._sequence <  other
    def __le__(self, other): return self._main._sequence <= other
    def __eq__(self, other): return self._main._sequence == other
    def __ne__(self, other): return self._main._sequence != other
    def __gt__(self, other): return self._main._sequence >  other
    def __ge__(self, other): return self._main._sequence >= other
    # NOTE: do we need __cmp__ as well as rich comparisons?
    def __cmp__(self, other): return cmp(self._main._sequence, other)

    def __contains__(self, item): return item in self._main._sequence
    def __len__(self): return len(self._main._sequence)
    def __iter__(self): return self._main.iterkeys()
    def count(self, item): return self._main._sequence.count(item)
    def index(self, item, *args): return self._main._sequence.index(item, *args)
    def reverse(self): self._main._sequence.reverse()
    def sort(self, *args, **kwds): self._main._sequence.sort(*args, **kwds)
    def __mul__(self, n): return self._main._sequence*n
    __rmul__ = __mul__
    def __add__(self, other): return self._main._sequence + other
    def __radd__(self, other): return other + self._main._sequence

    ## following methods not implemented for keys ##
    def __delitem__(self, i): raise TypeError('Can\'t delete items from keys')
    def __iadd__(self, other): raise TypeError('Can\'t add in place to keys')
    def __imul__(self, n): raise TypeError('Can\'t multiply keys in place')
    def append(self, item): raise TypeError('Can\'t append items to keys')
    def insert(self, i, item): raise TypeError('Can\'t insert items into keys')
    def pop(self, i=-1): raise TypeError('Can\'t pop items from keys')
    def remove(self, item): raise TypeError('Can\'t remove items from keys')
    def extend(self, other): raise TypeError('Can\'t extend keys')

class Items(object):
    """
    Custom object for accessing the items of an OrderedDict.
    
    Can be called like the normal ``OrderedDict.items`` method, but also
    supports indexing and sequence methods.
    """

    def __init__(self, main):
        self._main = main

    def __call__(self):
        """Pretend to be the items method."""
        return self._main._items()

    def __getitem__(self, index):
        """Fetch the item at position i."""
        if isinstance(index, types.SliceType):
            # fetching a slice returns an OrderedDict
            return self._main[index].items()
        key = self._main._sequence[index]
        return (key, self._main[key])

    def __setitem__(self, index, item):
        """Set item at position i to item."""
        if isinstance(index, types.SliceType):
            # NOTE: item must be an iterable (list of tuples)
            self._main[index] = OrderedDict(item)
        else:
            # NOTE: Does this raise a sensible error?
            orig = self._main.keys[index]
            key, value = item
            if self._main.strict and key in self and (key != orig):
                raise ValueError('slice assignment must be from '
                        'unique keys')
            # delete the current one
            del self._main[self._main._sequence[index]]
            self._main.insert(index, key, value)

    def __delitem__(self, i):
        """Delete the item at position i."""
        key = self._main._sequence[i]
        if isinstance(i, types.SliceType):
            for k in key:
                # NOTE: efficiency?
                del self._main[k]
        else:
            del self._main[key]

    ### following methods pinched from UserList and adapted ###
    def __repr__(self): return repr(self._main.items())

    # NOTE: do we need to check if we are comparing with another ``Items``
    #   object? (like the __cast method of UserList)
    def __lt__(self, other): return self._main.items() <  other
    def __le__(self, other): return self._main.items() <= other
    def __eq__(self, other): return self._main.items() == other
    def __ne__(self, other): return self._main.items() != other
    def __gt__(self, other): return self._main.items() >  other
    def __ge__(self, other): return self._main.items() >= other
    def __cmp__(self, other): return cmp(self._main.items(), other)

    def __contains__(self, item): return item in self._main.items()
    def __len__(self): return len(self._main._sequence) # easier :-)
    def __iter__(self): return self._main.iteritems()
    def count(self, item): return self._main.items().count(item)
    def index(self, item, *args): return self._main.items().index(item, *args)
    def reverse(self): self._main.reverse()
    def sort(self, *args, **kwds): self._main.sort(*args, **kwds)
    def __mul__(self, n): return self._main.items()*n
    __rmul__ = __mul__
    def __add__(self, other): return self._main.items() + other
    def __radd__(self, other): return other + self._main.items()

    def append(self, item):
        """Add an item to the end."""
        # NOTE: this is only append if the key isn't already present
        key, value = item
        self._main[key] = value

    def insert(self, i, item):
        key, value = item
        self._main.insert(i, key, value)

    def pop(self, i=-1):
        key = self._main._sequence[i]
        return (key, self._main.pop(key))

    def remove(self, item):
        key, value = item
        try:
            assert value == self._main[key]
        except (KeyError, AssertionError):
            raise ValueError('ValueError: list.remove(x): x not in list')
        else:
            del self._main[key]

    def extend(self, other):
        # NOTE: is only a true extend if none of the keys already present
        for item in other:
            key, value = item
            self._main[key] = value

    def __iadd__(self, other):
        self.extend(other)

    ## following methods not implemented for items ##

    def __imul__(self, n): raise TypeError('Can\'t multiply items in place')

class Values(object):
    """
    Custom object for accessing the values of an OrderedDict.
    
    Can be called like the normal ``OrderedDict.values`` method, but also
    supports indexing and sequence methods.
    """

    def __init__(self, main):
        self._main = main

    def __call__(self):
        """Pretend to be the values method."""
        return self._main._values()

    def __getitem__(self, index):
        """Fetch the value at position i."""
        if isinstance(index, types.SliceType):
            return [self._main[key] for key in self._main._sequence[index]]
        else:
            return self._main[self._main._sequence[index]]

    def __setitem__(self, index, value):
        """
        Set the value at position i to value.
        
        You can only do slice assignment to values if you supply a sequence of
        equal length to the slice you are replacing.
        """
        if isinstance(index, types.SliceType):
            keys = self._main._sequence[index]
            if len(keys) != len(value):
                raise ValueError('attempt to assign sequence of size %s '
                    'to slice of size %s' % (len(name), len(keys)))
            # NOTE: efficiency?  Would be better to calculate the indexes
            #   directly from the slice object
            # NOTE: the new keys can collide with existing keys (or even
            #   contain duplicates) - these will overwrite
            for key, val in zip(keys, value):
                self._main[key] = val
        else:
            self._main[self._main._sequence[index]] = value

    ### following methods pinched from UserList and adapted ###
    def __repr__(self): return repr(self._main.values())

    # NOTE: do we need to check if we are comparing with another ``Values``
    #   object? (like the __cast method of UserList)
    def __lt__(self, other): return self._main.values() <  other
    def __le__(self, other): return self._main.values() <= other
    def __eq__(self, other): return self._main.values() == other
    def __ne__(self, other): return self._main.values() != other
    def __gt__(self, other): return self._main.values() >  other
    def __ge__(self, other): return self._main.values() >= other
    def __cmp__(self, other): return cmp(self._main.values(), other)

    def __contains__(self, item): return item in self._main.values()
    def __len__(self): return len(self._main._sequence) # easier :-)
    def __iter__(self): return self._main.itervalues()
    def count(self, item): return self._main.values().count(item)
    def index(self, item, *args): return self._main.values().index(item, *args)

    def reverse(self):
        """Reverse the values"""
        vals = self._main.values()
        vals.reverse()
        # NOTE: efficiency
        self[:] = vals

    def sort(self, *args, **kwds):
        """Sort the values."""
        vals = self._main.values()
        vals.sort(*args, **kwds)
        self[:] = vals

    def __mul__(self, n): return self._main.values()*n
    __rmul__ = __mul__
    def __add__(self, other): return self._main.values() + other
    def __radd__(self, other): return other + self._main.values()

    ## following methods not implemented for values ##
    def __delitem__(self, i): raise TypeError('Can\'t delete items from values')
    def __iadd__(self, other): raise TypeError('Can\'t add in place to values')
    def __imul__(self, n): raise TypeError('Can\'t multiply values in place')
    def append(self, item): raise TypeError('Can\'t append items to values')
    def insert(self, i, item): raise TypeError('Can\'t insert items into values')
    def pop(self, i=-1): raise TypeError('Can\'t pop items from values')
    def remove(self, item): raise TypeError('Can\'t remove items from values')
    def extend(self, other): raise TypeError('Can\'t extend values')

class SequenceOrderedDict(OrderedDict):
    """
    Experimental version of OrderedDict that has a custom object for ``keys``,
    ``values``, and ``items``.
    
    These are callable sequence objects that work as methods, or can be
    manipulated directly as sequences.
    
    Test for ``keys``, ``items`` and ``values``.
    
    >>> d = SequenceOrderedDict(((1, 2), (2, 3), (3, 4)))
    >>> d
    SequenceOrderedDict([(1, 2), (2, 3), (3, 4)])
    >>> d.keys
    [1, 2, 3]
    >>> d.keys()
    [1, 2, 3]
    >>> d.setkeys((3, 2, 1))
    >>> d
    SequenceOrderedDict([(3, 4), (2, 3), (1, 2)])
    >>> d.setkeys((1, 2, 3))
    >>> d.keys[0]
    1
    >>> d.keys[:]
    [1, 2, 3]
    >>> d.keys[-1]
    3
    >>> d.keys[-2]
    2
    >>> d.keys[0:2] = [2, 1]
    >>> d
    SequenceOrderedDict([(2, 3), (1, 2), (3, 4)])
    >>> d.keys.reverse()
    >>> d.keys
    [3, 1, 2]
    >>> d.keys = [1, 2, 3]
    >>> d
    SequenceOrderedDict([(1, 2), (2, 3), (3, 4)])
    >>> d.keys = [3, 1, 2]
    >>> d
    SequenceOrderedDict([(3, 4), (1, 2), (2, 3)])
    >>> a = SequenceOrderedDict()
    >>> b = SequenceOrderedDict()
    >>> a.keys == b.keys
    1
    >>> a['a'] = 3
    >>> a.keys == b.keys
    0
    >>> b['a'] = 3
    >>> a.keys == b.keys
    1
    >>> b['b'] = 3
    >>> a.keys == b.keys
    0
    >>> a.keys > b.keys
    0
    >>> a.keys < b.keys
    1
    >>> 'a' in a.keys
    1
    >>> len(b.keys)
    2
    >>> 'c' in d.keys
    0
    >>> 1 in d.keys
    1
    >>> [v for v in d.keys]
    [3, 1, 2]
    >>> d.keys.sort()
    >>> d.keys
    [1, 2, 3]
    >>> d = SequenceOrderedDict(((1, 2), (2, 3), (3, 4)), strict=True)
    >>> d.keys[::-1] = [1, 2, 3]
    >>> d
    SequenceOrderedDict([(3, 4), (2, 3), (1, 2)])
    >>> d.keys[:2]
    [3, 2]
    >>> d.keys[:2] = [1, 3]
    Traceback (most recent call last):
    KeyError: 'Keylist is not the same as current keylist.'

    >>> d = SequenceOrderedDict(((1, 2), (2, 3), (3, 4)))
    >>> d
    SequenceOrderedDict([(1, 2), (2, 3), (3, 4)])
    >>> d.values
    [2, 3, 4]
    >>> d.values()
    [2, 3, 4]
    >>> d.setvalues((4, 3, 2))
    >>> d
    SequenceOrderedDict([(1, 4), (2, 3), (3, 2)])
    >>> d.values[::-1]
    [2, 3, 4]
    >>> d.values[0]
    4
    >>> d.values[-2]
    3
    >>> del d.values[0]
    Traceback (most recent call last):
    TypeError: Can't delete items from values
    >>> d.values[::2] = [2, 4]
    >>> d
    SequenceOrderedDict([(1, 2), (2, 3), (3, 4)])
    >>> 7 in d.values
    0
    >>> len(d.values)
    3
    >>> [val for val in d.values]
    [2, 3, 4]
    >>> d.values[-1] = 2
    >>> d.values.count(2)
    2
    >>> d.values.index(2)
    0
    >>> d.values[-1] = 7
    >>> d.values
    [2, 3, 7]
    >>> d.values.reverse()
    >>> d.values
    [7, 3, 2]
    >>> d.values.sort()
    >>> d.values
    [2, 3, 7]
    >>> d.values.append('anything')
    Traceback (most recent call last):
    TypeError: Can't append items to values
    >>> d.values = (1, 2, 3)
    >>> d
    SequenceOrderedDict([(1, 1), (2, 2), (3, 3)])
    
    >>> d = SequenceOrderedDict(((1, 2), (2, 3), (3, 4)))
    >>> d
    SequenceOrderedDict([(1, 2), (2, 3), (3, 4)])
    >>> d.items()
    [(1, 2), (2, 3), (3, 4)]
    >>> d.setitems([(3, 4), (2 ,3), (1, 2)])
    >>> d
    SequenceOrderedDict([(3, 4), (2, 3), (1, 2)])
    >>> d.items[0]
    (3, 4)
    >>> d.items[:-1]
    [(3, 4), (2, 3)]
    >>> d.items[1] = (6, 3)
    >>> d.items
    [(3, 4), (6, 3), (1, 2)]
    >>> d.items[1:2] = [(9, 9)]
    >>> d
    SequenceOrderedDict([(3, 4), (9, 9), (1, 2)])
    >>> del d.items[1:2]
    >>> d
    SequenceOrderedDict([(3, 4), (1, 2)])
    >>> (3, 4) in d.items
    1
    >>> (4, 3) in d.items
    0
    >>> len(d.items)
    2
    >>> [v for v in d.items]
    [(3, 4), (1, 2)]
    >>> d.items.count((3, 4))
    1
    >>> d.items.index((1, 2))
    1
    >>> d.items.index((2, 1))
    Traceback (most recent call last):
    ValueError: list.index(x): x not in list
    >>> d.items.reverse()
    >>> d.items
    [(1, 2), (3, 4)]
    >>> d.items.reverse()
    >>> d.items.sort()
    >>> d.items
    [(1, 2), (3, 4)]
    >>> d.items.append((5, 6))
    >>> d.items
    [(1, 2), (3, 4), (5, 6)]
    >>> d.items.insert(0, (0, 0))
    >>> d.items
    [(0, 0), (1, 2), (3, 4), (5, 6)]
    >>> d.items.insert(-1, (7, 8))
    >>> d.items
    [(0, 0), (1, 2), (3, 4), (7, 8), (5, 6)]
    >>> d.items.pop()
    (5, 6)
    >>> d.items
    [(0, 0), (1, 2), (3, 4), (7, 8)]
    >>> d.items.remove((1, 2))
    >>> d.items
    [(0, 0), (3, 4), (7, 8)]
    >>> d.items.extend([(1, 2), (5, 6)])
    >>> d.items
    [(0, 0), (3, 4), (7, 8), (1, 2), (5, 6)]
    """

    def __init__(self, init_val=(), strict=True):
        OrderedDict.__init__(self, init_val, strict=strict)
        self._keys = self.keys
        self._values = self.values
        self._items = self.items
        self.keys = Keys(self)
        self.values = Values(self)
        self.items = Items(self)
        self._att_dict = {
            'keys': self.setkeys,
            'items': self.setitems,
            'values': self.setvalues,
        }

    def __setattr__(self, name, value):
        """Protect keys, items, and values."""
        if not '_att_dict' in self.__dict__:
            object.__setattr__(self, name, value)
        else:
            try:
                fun = self._att_dict[name]
            except KeyError:
                OrderedDict.__setattr__(self, name, value)
            else:
                fun(value)




#
# Imported from OrderedConfigParser.py
#

#  _________________________________________________________________________
#
#  PyUtilib: A Python utility library.
#  Copyright (c) 2008 Sandia Corporation.
#  This software is distributed under the BSD License.
#  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
#  the U.S. Government retains certain rights in this software.
#  For more information, see the PyUtilib README.txt file.
#  _________________________________________________________________________
#

import ConfigParser
import StringIO

if not 'OrderedDict' in dir():
    from odict import OrderedDict


class OrderedConfigParser(ConfigParser.ConfigParser):
    """
    Customization of ConfigParser to (a) use an ordered dictionary and (b)
    keep the original case of the data keys.
    """

    def __init__(self):
        if sys.version >= (2,6,0):
            ConfigParser.ConfigParser.__init__(self, dict_type=OrderedDict)
        else:
            ConfigParser.ConfigParser.__init__(self)
            self._defaults = OrderedDict()
            self._sections = OrderedDict()

    def _get_sections(self, fp):
        """
        In old version of Python, we prefetch the sections, to
        ensure that the data structures we are using are OrderedDict.
        """
        if sys.version >= (2,6,0):
            return
        while True:
            line = fp.readline()
            if not line:
                break
            line.strip()
            mo = self.SECTCRE.match(line)
            if mo:
                sectname = mo.group('header')
                if not sectname in self._sections:
                    self._sections[sectname] = OrderedDict()
                    self._sections[sectname]['__name__'] = sectname

    def _read(self, fp, fpname):
        """Parse a sectoned setup file.

        This first calls _get_sections to preparse the section info,
        and then calls the ConfigParser._read method.
        """
        self._get_sections(fp)
        fp.seek(0)
        return ConfigParser.ConfigParser._read(self, fp, fpname)

    def optionxform(self, option):
        """Do not convert to lower case"""
        return option



#
# Imported from header.py
#

#  _________________________________________________________________________
#
#  PyUtilib: A Python utility library.
#  Copyright (c) 2008 Sandia Corporation.
#  This software is distributed under the BSD License.
#  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
#  the U.S. Government retains certain rights in this software.
#  For more information, see the PyUtilib README.txt file.
#  _________________________________________________________________________
#
#
# This script was created with the virtualenv_install script.
#

import re
import urllib2
import zipfile
import shutil
import string
import textwrap
import sys
import glob


#
# The following taken from PyUtilib
#
if (sys.platform[0:3] == "win"): #pragma:nocover
   executable_extension=".exe"
else:                            #pragma:nocover
   executable_extension=""


def search_file(filename, search_path=None, implicitExt=executable_extension, executable=False,         isfile=True):
    if search_path is None:
        #
        # Use the PATH environment if it is defined and not empty
        #
        if "PATH" in os.environ and os.environ["PATH"] != "":
            search_path = string.split(os.environ["PATH"], os.pathsep)
        else:
            search_path = os.defpath.split(os.pathsep)
    for path in search_path:
      if os.path.exists(os.path.join(path, filename)) and \
         (not isfile or os.path.isfile(os.path.join(path, filename))):
         if not executable or os.access(os.path.join(path,filename),os.X_OK):
            return os.path.abspath(os.path.join(path, filename))
      if os.path.exists(os.path.join(path, filename+implicitExt)) and \
         (not isfile or os.path.isfile(os.path.join(path, filename+implicitExt))):
         if not executable or os.access(os.path.join(path,filename+implicitExt),os.X_OK):
            return os.path.abspath(os.path.join(path, filename+implicitExt))
    return None

#
# PyUtilib Ends
#


#
# The following taken from pkg_resources
#
component_re = re.compile(r'(\d+ | [a-z]+ | \.| -)', re.VERBOSE)
replace = {'pre':'c', 'preview':'c','-':'final-','rc':'c','dev':'@'}.get

def _parse_version_parts(s):
    for part in component_re.split(s):
        part = replace(part,part)
        if not part or part=='.':
            continue
        if part[:1] in '0123456789':
            yield part.zfill(8)    # pad for numeric comparison
        else:
            yield '*'+part

    yield '*final'  # ensure that alpha/beta/candidate are before final

def parse_version(s):
    parts = []
    for part in _parse_version_parts(s.lower()):
        if part.startswith('*'):
            if part<'*final':   # remove '-' before a prerelease tag
                while parts and parts[-1]=='*final-': parts.pop()
            # remove trailing zeros from each series of numeric parts
            while parts and parts[-1]=='00000000':
                parts.pop()
        parts.append(part)
    return tuple(parts)
#
# pkg_resources Ends
#

#
# Use pkg_resources to guess version.
# This allows for parsing version with the syntax:
#   9.3.2
#   8.28.rc1
#
def guess_release(svndir):
    output = urllib2.urlopen(svndir).read()
    if output=="":
       return None
    links = re.findall('\<li>\<a href[^>]+>[^\<]+\</a>',output)
    versions = []
    for link in links:
        versions.append( re.split('>', link[:-5])[-1] )
    latest = None
    latest_str = None
    for version in versions:
        if version is '.':
            continue
        v = parse_version(version)
        if latest is None or latest < v:
            latest = v
            latest_str = version
    return svndir+"/"+latest_str



def zip_file(filename,fdlist):
    zf = zipfile.ZipFile(filename, 'w')
    for file in fdlist:
        if os.path.isdir(file):
            for root, dirs, files in os.walk(file):
                for fname in files:
                    if fname.endswith('exe'):
                        zf.external_attr = (0777 << 16L) | (010 << 28L)
                    else:
                        zf.external_attr = (0660 << 16L) | (010 << 28L)
                    zf.write(join(root,fname))
        else:
            zf.write(file)
    zf.close()


def unzip_file(filename, dir=None):
    fname = os.path.abspath(filename)
    zf = zipfile.ZipFile(fname, 'r')
    if dir is None:
        dir = os.getcwd()
    for file in zf.infolist():
        name = file.filename
        if name.endswith('/') or name.endswith('\\'):
            outfile = os.path.join(dir, name)
            if not os.path.exists(outfile):
                os.makedirs(outfile)
        else:
            outfile = os.path.join(dir, name)
            parent = os.path.dirname(outfile)
            if not os.path.exists(parent):
                os.makedirs(parent)
            OUTPUT = open(outfile, 'wb')
            OUTPUT.write(zf.read(name))
            OUTPUT.close()
    zf.close()



class Repository(object):

    easy_install_path = "easy_install"
    python = "python"
    svn = "svn"
    dev = []

    def __init__(self, name, root=None, trunk=None, stable=None, release=None, tag=None, pyname=None, pypi=None, dev=False):
        self.name = name
        if not root is None:
            try:
                self.trunk = root+'/trunk'
                self.trunk_root = self.trunk
            except urllib2.HTTPError:
                self.trunk = None
                self.trunk_root = None
            try:
                self.stable = guess_release(root+'/stable')
                self.stable_root = self.stable
            except urllib2.HTTPError:
                self.stable = None
                self.stable_root = None
            try:
                self.release = guess_release(root+'/releases')
                self.release_root = self.release
            except urllib2.HTTPError:
                self.release = None
                self.release_root = None
        else:
            self.trunk = None
            self.trunk_root = None
            self.stable = None
            self.stable_root = None
            self.release = None
            self.release_root = None
        if not trunk is None:
            if self.trunk is None:
                self.trunk = trunk
            else:
                self.trunk += trunk
        if not stable is None:
            if self.stable is None:
                self.stable = stable
            else:
                self.stable += stable
        if not release is None:
            if self.release is None:
                self.release = release
            else:
                self.release += release
        if not tag is None:
            if self.release is None:
                self.release = tag
            else:
                self.release += tag
        self.pypi = pypi
        if not pypi is None:
            self.pyname=pypi
        else:
            self.pyname=pyname
        self.dev = dev
        if dev:
            Repository.dev.append(name)
        self.pkgdir = None
        self.pkgroot = None

    def install_trunk(self, dir=None, install=True, preinstall=False, offline=False):
        if self.trunk is None:
            if not self.stable is None:
                self.install_stable(dir=dir, install=install)
            elif self.pypi is None:
                self.install_release(dir=dir, install=install)
            else:
                self.easy_install(install, preinstall, dir, offline)
        else:
            self.pkgdir=self.trunk
            self.pkgroot=self.trunk_root
            print "-----------------------------------------------------------------"
            print "  Checking out source for package",self.name
            print "     Subversion dir: "+self.trunk
            if os.path.exists(dir):
                print "     No checkout required"
                print "-----------------------------------------------------------------"
            else:
                print "-----------------------------------------------------------------"
                self.run([self.svn,'checkout','-q',self.trunk, dir])
            if install:
                self.run([self.python, 'setup.py', 'develop'], dir=dir)

    def install_stable(self, dir=None, install=True, preinstall=False, offline=False):
        if self.stable is None: 
            if not self.release is None:
                self.install_release(dir=dir, install=install)
            elif self.pypi is None:
                self.install_trunk(dir=dir, install=install)
            else:
                self.easy_install(install, preinstall, dir, offline)
        else:
            self.pkgdir=self.stable
            self.pkgroot=self.stable_root
            print "-----------------------------------------------------------------"
            print "  Checking out source for package",self.name
            print "     Subversion dir: "+self.stable
            print "     Source dir:     "+dir
            if os.path.exists(dir):
                print "     No checkout required"
                print "-----------------------------------------------------------------"
            else:
                print "-----------------------------------------------------------------"
                self.run([self.svn,'checkout','-q',self.stable, dir])
            if install:
                self.run([self.python, 'setup.py', 'develop'], dir=dir)

    def install_release(self, dir=None, install=True, preinstall=False, offline=False):
        if self.release is None:
            if not self.stable is None:
                self.install_stable(dir=dir, install=install)
            elif self.pypi is None:
                self.install_trunk(dir=dir, install=install)
            else:
                self.easy_install(install, preinstall, dir, offline)
        else:
            self.pkgdir=self.release
            self.pkgroot=self.release_root
            print "-----------------------------------------------------------------"
            print "  Checking out source for package",self.name
            print "     Subversion dir: "+self.release
            print "     Source dir:     "+dir
            if os.path.exists(dir):
                print "     No checkout required"
                print "-----------------------------------------------------------------"
            else:
                print "-----------------------------------------------------------------"
                self.run([self.svn,'checkout','-q',self.release, dir])
            if install:
                self.run([self.python, 'setup.py', 'install'], dir=dir)

    def update_trunk(self, dir=None):
        if self.trunk is None:
            if not self.pypi is None:
                self.easy_upgrade()
            elif not self.stable is None:
                self.update_stable()
            else:
                self.update_release()
        else:
            self.pkgdir=self.trunk
            self.pkgroot=self.trunk_root
            print "-----------------------------------------------------------------"
            print "  Updating source for package",self.name
            print "     Subversion dir: "+self.trunk
            print "     Source dir:     "+dir
            print "-----------------------------------------------------------------"
            self.run([self.svn,'update','-q',dir])
            self.run([self.python, 'setup.py', 'develop'], dir=dir)

    def update_stable(self, dir=None):
        if self.stable is None:
            if not self.pypi is None:
                self.easy_upgrade()
            elif not self.release is None:
                self.update_release()
            elif not self.trunk is None:
                self.update_trunk()
        else:
            self.pkgdir=self.stable
            self.pkgroot=self.stable_root
            print "-----------------------------------------------------------------"
            print "  Updating source for package",self.name
            print "     Subversion dir: "+self.stable
            print "     Source dir:     "+dir
            print "-----------------------------------------------------------------"
            self.run([self.svn,'update','-q',dir])
            self.run([self.python, 'setup.py', 'develop'], dir=dir)

    def update_release(self, dir=None):
        if self.release is None:
            if not self.pypi is None:
                self.easy_upgrade()
            elif not self.stable is None:
                self.update_stable()
            elif not self.trunk is None:
                self.update_trunk()
        else:
            self.pkgdir=self.release
            self.pkgroot=self.release_root
            print "-----------------------------------------------------------------"
            print "  Updating source for package",self.name
            print "     Subversion dir: "+self.release
            print "     Source dir:     "+dir
            print "-----------------------------------------------------------------"
            self.run([self.svn,'update','-q',dir])
            self.run([self.python, 'setup.py', 'install'], dir=dir)

    def Xsdist_trunk(self, format='zip'):
        if self.trunk is None:
            if not self.pypi is None:
                self.easy_install()
            elif not self.stable is None:
                self.sdist_stable(format=format)
            else:
                self.sdist_release(format=format)
        else:
            self.pkgdir=self.trunk
            self.pkgroot=self.trunk_root
            print "-----------------------------------------------------------------"
            print "  Checking out source for package",self.name
            print "     Subversion dir: "+self.trunk
            print "-----------------------------------------------------------------"
            self.run([self.svn,'export','-q',self.trunk, 'pkg'+self.name])
            self.run([self.python, 'setup.py', 'sdist','-q','--dist-dir=..', '--formats='+format], dir='pkg'+self.name)
            os.chdir('..')
            rmtree('pkg'+self.name)

    def Xsdist_stable(self, format='zip'):
        if self.stable is None:
            if not self.pypi is None:
                self.easy_install()
            elif not self.release is None:
                self.install_release()
            elif not self.trunk is None:
                self.install_trunk()
        else:
            self.pkgdir=self.stable
            self.pkgroot=self.stable_root
            print "-----------------------------------------------------------------"
            print "  Checking out source for package",self.name
            print "     Subversion dir: "+self.stable
            print "     Source dir:     "+dir
            print "-----------------------------------------------------------------"
            self.run([self.svn,'checkout','-q',self.stable, dir])
            self.run([self.python, 'setup.py', 'develop'], dir=dir)

    def Xsdist_release(self, dir=None):
        if self.release is None:
            if not self.pypi is None:
                self.easy_install()
            elif not self.stable is None:
                self.install_stable()
            elif not self.trunk is None:
                self.install_trunk()
        else:
            self.pkgdir=self.release
            self.pkgroot=self.release_root
            print "-----------------------------------------------------------------"
            print "  Checking out source for package",self.name
            print "     Subversion dir: "+self.release
            print "     Source dir:     "+dir
            print "-----------------------------------------------------------------"
            self.run([self.svn,'checkout','-q',self.release, dir])
            self.run([self.python, 'setup.py', 'install'], dir=dir)

    def easy_install(self, install, preinstall, dir, offline):
        try:
            if install:
                #self.run([self.easy_install_path, '-q', self.pypi])
                if offline:
                    self.run([self.python, 'setup.py', 'install'], dir=dir)
                else:
                    self.run([self.easy_install_path, '-q', self.pypi])
            elif preinstall: 
                if not os.path.exists(dir):
                    self.run([self.easy_install_path, '-q', '--editable', '--build-directory', '.', self.pypi], dir=os.path.dirname(dir))
        except OSError, err:
            print "-----------------------------------------------------------------"
            print "Warning!!! Ignoring easy_install error '%s'" % str(err)
            print "-----------------------------------------------------------------"

    def easy_upgrade(self):
        self.run([self.easy_install_path, '-q', '--upgrade', self.pypi])

    def run(self, cmd, dir=None):
        if not dir is None:
            cwd=os.getcwd()
            os.chdir(dir)
        print "Running command '%s'" % " ".join(cmd)
        call_subprocess(cmd, filter_stdout=filter_python_develop, show_stdout=True)
        if not dir is None:
            os.chdir(cwd)


if sys.platform.startswith('win'):
   Repository.python += '.exe'
   Repository.svn += '.exe'


def filter_python_develop(line):
    if not line.strip():
        return Logger.DEBUG
    for prefix in ['Searching for', 'Reading ', 'Best match: ', 'Processing ',
                   'Moving ', 'Adding ', 'running ', 'writing ', 'Creating ',
                   'creating ', 'Copying ']:
        if line.startswith(prefix):
            return Logger.DEBUG
    return Logger.NOTIFY



wrapper = textwrap.TextWrapper(subsequent_indent="    ")


class Installer(object):

    def __init__(self):
        self.description="This script manages the installation of packages into a virtual Python installation."
        self.home_dir = None
        self.default_dirname='python'
        self.abshome_dir = None
        self.sw_packages = []
        self.sw_dict = {}
        self.cmd_files = []
        self.auxdir = []
        self.config=None
        self.README="""
#
# Virtual Python installation generated by the %s script.
#
# This directory is managed with virtualenv, which creates a
# virtual Python installation.  If the 'bin' directory is put in
# user's PATH environment, then the bin/python command can be used
# without further installation.
#
# Directories:
#   admin      Administrative data for maintaining this distribution
#   bin        Scripts and executables
#   dist       Python packages that are not intended for development
#   include    Python header files
#   lib        Python libraries and installed packages
#   src        Python packages whose source files can be
#              modified and used directly within this virtual Python
#              installation.
#   Scripts    Python bin directory (used on MS Windows)
#
""" % sys.argv[0]

    def add_repository(self, *args, **kwds):
        repos = Repository( *args, **kwds)
        self.sw_dict[repos.name] = repos
        self.sw_packages.append( repos )

    def add_dos_cmd(self, file):
        self.cmd_files.append( file )

    def add_auxdir(self, package, todir, fromdir):
        self.auxdir.append( (todir, package, fromdir) )

    def modify_parser(self, parser):
        self.default_windir = 'C:\\'+self.default_dirname
        self.default_unixdir = './'+self.default_dirname
        #
        parser.add_option('--trunk',
            help='Install trunk branches of Python software.',
            action='store_true',
            dest='trunk',
            default=False)

        parser.add_option('--stable',
            help='Install stable branches of Python software.',
            action='store_true',
            dest='stable',
            default=False)

        parser.add_option('--update',
            help='Update all Python packages.',
            action='store_true',
            dest='update',
            default=False)

        parser.add_option('--proxy',
            help='Set the HTTP_PROXY environment with this option.',
            action='store',
            dest='proxy',
            default=None)

        parser.add_option('--preinstall',
            help='Prepare an installation that will be used to build a MS Windows installer.',
            action='store_true',
            dest='preinstall',
            default=False)

        parser.add_option('--offline',
            help='Perform installation offline, using source extracted from ZIP files.',
            action='store_true',
            dest='offline',
            default=False)

        parser.add_option('--zip',
            help='Add ZIP files that are use define this installation.',
            action='append',
            dest='zip',
            default=[])

        parser.add_option('--forum-pkg',
            help='Use one or more packages from the Coopr Forum.  Multiple packages are specified with a comma-separated list.',
            action='store',
            dest='forum',
            default='')

        parser.add_option('--forum-dev',
            help="Explicitly indicate which of the Coopr Forum packages are treated as development packages.  By default, no Coopr Forum packages are treated this way; packages omited from this list are installed from their latest 'tags' branch.  Multiple packages are specified with a comma-separated list.",
            action='store',
            dest='forumdev',
            default='')

        parser.add_option('--use-pythonpath',
            help="By default, the PYTHONPATH is ignored when installing.  This option allows the 'easy_install' tool to search this path for related Python packages, which are then installed.",
            action='store_true',
            dest='use_pythonpath',
            default=False)

        parser.add_option(
            '--site-packages',
            dest='no_site_packages',
            action='store_false',
            help="Setup the virtual environment to use the global site-packages",
            default=True)

        parser.add_option('--config',
            help='Add INI config files that specify the packages used in this installation. ',
            action='append',
            dest='config_files',
            default=[])

        parser.add_option('--clear-config',
            help='Clear any initial configuration data that was specified when constructing this installer.',
            action='store_true',
            dest='clear_config',
            default=False)

        #
        # Change the virtualenv options
        #
        parser.get_option("--python").help = "Specify the Python interpreter to use, e.g., --python=python2.5 will install with the python2.5 interpreter."
        parser.get_option("--clear").help = "Remove the existing installation and reinstall from scratch."
        parser.remove_option("--relocatable")
        parser.remove_option("--version")
        parser.remove_option("--unzip-setuptools")
        parser.remove_option("--no-site-packages")
        #
        # Add description 
        #
        parser.description=self.description
        parser.epilog="If DEST_DIR is not specified, then a default installation path is used:  "+self.default_windir+" on Windows and "+self.default_unixdir+" on Linux.  This command uses the Python 'setuptools' package to install Python packages.  This package installs packages by downloading files from the internet.  If you are running this from within a firewall, you may need to set the HTTP_PROXY environment variable to a value like 'http://<proxyhost>:<port>'."
        

    def adjust_options(self, options, args):
        #
        global logger
        verbosity = options.verbose - options.quiet
        self.logger = Logger([(Logger.level_for_integer(2-verbosity), sys.stdout)])
        logger = self.logger
        #
        if options.update and (options.stable or options.trunk):
            self.logger.fatal("ERROR: cannot specify --stable or --trunk when specifying the --update option.")
            sys.exit(1000)
        if len(args) > 1:
            self.logger.fatal("ERROR: "+self.installer.name+" can only have one argument")
            sys.exit(1000)
        #
        # Error checking
        #
        if not options.preinstall and (os.path.exists(self.abshome_dir) ^ options.update):
            if options.update:
                self.logger.fatal(wrapper.fill("ERROR: The 'update' option is specified, but the installation path '%s' does not exist!" % self.home_dir))
                sys.exit(1000)
            elif not options.clear and os.path.exists(join(self.abshome_dir,'bin')):
                    self.logger.fatal(wrapper.fill("ERROR: The installation path '%s' already exists!  Use the --update option if you wish to update, or use --clear to create a fresh installation." % self.home_dir))
                    sys.exit(1000)
        if len(args) == 0:
            args.append(self.abshome_dir)
        #
        # Parse config files
        #
        if not self.config is None and not self.clear_config:
            fp = StringIO.StringIO(self.config)
            self.read_config_file(fp=fp)
            fp.close()
        for file in options.config_files:
            self.read_config_file(file=file)

    def get_homedir(self, options, args):
        #
        # Figure out the installation directory
        #
        if len(args) == 0:
            path = self.guess_path()
            if path is None or options.preinstall:
                # Install in a default location.
                if sys.platform == 'win32':
                    home_dir = self.default_windir
                else:
                    home_dir = self.default_unixdir
            else:
                home_dir = os.path.dirname(os.path.dirname(path))
        else:
            home_dir = args[0]
        self.home_dir = home_dir
        self.abshome_dir = os.path.abspath(home_dir)

    def guess_path(self):
        return None

    def setup_installer(self, options):
        if options.preinstall:
            print "Creating preinstall zip file in '%s'" % self.home_dir
        elif options.update:
            print "Updating existing installation in '%s'" % self.home_dir
        else:
            print "Starting fresh installation in '%s'" % self.home_dir
        #
        # Setup HTTP proxy
        #
        if not options.preinstall:
            proxy = ''
            if not options.proxy is None:
                proxy = options.proxy
            if proxy is '':
                proxy = os.environ.get('HTTP_PROXY', '')
            if proxy is '':
                proxy = os.environ.get('http_proxy', '')
            os.environ['HTTP_PROXY'] = proxy
            os.environ['http_proxy'] = proxy
            print "  using the HTTP_PROXY environment: %s" % proxy
            print ""
        #
        # Disable the PYTHONPATH, to isolate this installation from 
        # other Python installations that a user may be working with.
        #
        if not options.use_pythonpath:
            try:
                del os.environ["PYTHONPATH"]
            except:
                pass
        #
        # If --preinstall is declared, then we remove the directory, and prepare a ZIP file
        # that contains the full installation.
        #
        if options.preinstall:
            print "-----------------------------------------------------------------"
            print " STARTING preinstall in directory %s" % self.home_dir
            print "-----------------------------------------------------------------"
            rmtree(self.abshome_dir)
            os.mkdir(self.abshome_dir)
        #
        # If we're clearing the current installation, then remove a bunch of
        # directories
        #
        elif options.clear:
            path = join(self.abshome_dir,'src')
            if os.path.exists(path):
                rmtree(path)
        #
        # Open up zip files
        #
        for file in options.zip:
            unzip_file(file, dir=self.abshome_dir)

        if options.preinstall or not options.offline:
            self.get_packages(options)

    def get_packages(self, options):
        #
        # Setup the 'admin' directory
        #
        if not os.path.exists(self.abshome_dir):
            os.mkdir(self.abshome_dir)
        if not os.path.exists(join(self.abshome_dir,'admin')):
            os.mkdir(join(self.abshome_dir,'admin'))
        if options.update:
            INPUT=open(join(self.abshome_dir,'admin',"virtualenv.cfg"),'r')
            options.trunk = INPUT.readline().strip() != 'False'
            options.stable = INPUT.readline().strip() != 'False'
            INPUT.close()
        else:
            OUTPUT=open(join(self.abshome_dir,'admin',"virtualenv.cfg"),'w')
            print >>OUTPUT, options.trunk
            print >>OUTPUT, options.stable
            OUTPUT.close()
        #
        # Setup package directories
        #
        if not os.path.exists(join(self.abshome_dir,'dist')):
            os.mkdir(join(self.abshome_dir,'dist'))
        if not os.path.exists(self.abshome_dir+os.sep+"src"):
            os.mkdir(self.abshome_dir+os.sep+"src")
        if not os.path.exists(self.abshome_dir+os.sep+"bin"):
            os.mkdir(self.abshome_dir+os.sep+"bin")
        #
        # Get source packages
        #
        if options.preinstall:
            #
            # When preinstalling, disable the default install_setuptools() function,
            # and add the setuptools package to the installation list
            #
            install_setuptools.use_default=False
            self.sw_packages.insert( 0, Repository('setuptools', pypi='setuptools') )
        #
        # Add Coopr Forum packages
        #
        dev = options.forumdev.split(',')
        for pkg in options.forum.split(','):
            if pkg is '':
                continue
            if pkg in dev:
                if (options.trunk or options.stable):
                    self.sw_packages[pkg] = 'http://coopr-forum.googlecode.com/svn/'+pkg
                else:
                    self.sw_packages[pkg] = '-f http://coopr-forum.googlecode.com/svn/'+pkg+'/trunk '+pkg
                dev_packages.append(pkg)
            else:
                try:
                    self.sw_packages[pkg] = guess_release('http://coopr-forum.googlecode.com/svn/'+pkg+'/dev/')
                except Exception, err:
                    print "-----------------------------------------------------------------"
                    print "ERROR Finding 'tags' branch for Coopr Forum Package %s: %s" % (pkg,str(err))
                    print "-----------------------------------------------------------------"
        #
        # Get package source
        #
        for pkg in self.sw_packages:
            if pkg.dev:
                tmp = join(self.abshome_dir,'src',pkg.name)
            else:
                tmp = join(self.abshome_dir,'dist',pkg.name)
            if options.trunk:
                if not options.update:
                    pkg.install_trunk(dir=tmp, install=False, preinstall=options.preinstall, offline=options.offline)
            elif options.stable:
                if not options.update:
                    pkg.install_stable(dir=tmp, install=False, preinstall=options.preinstall, offline=options.offline)
            else:
                if not options.update:
                    pkg.install_release(dir=tmp, install=False, preinstall=options.preinstall, offline=options.offline)
        if options.update or not os.path.exists(join(self.abshome_dir,'doc')):
            self.install_auxdirs(options)
        #
        # Create a README.txt file
        #
        OUTPUT=open(join(self.abshome_dir,"README.txt"),"w")
        print >>OUTPUT, self.README.strip()
        OUTPUT.close()
        #
        # Finalize preinstall
        #
        if options.preinstall:
            print "-----------------------------------------------------------------"
            print " FINISHED preinstall in directory %s" % self.home_dir
            print "-----------------------------------------------------------------"
            os.chdir(self.abshome_dir)
            zip_file(self.default_dirname+'.zip', ['.'])
            sys.exit(0)

        
    def install_packages(self, options):
        #
        # Set the bin directory
        #
        if os.path.exists(self.abshome_dir+os.sep+"Scripts"):
            bindir = join(self.abshome_dir,"Scripts")
        else:
            bindir = join(self.abshome_dir,"bin")
        Repository.easy_install_path = os.path.abspath(join(bindir, 'easy_install'))
        Repository.python = os.path.abspath(join(bindir, 'python'))
        #
        # Install the related packages
        #
        for pkg in self.sw_packages:
            if pkg.dev:
                srcdir = join(self.abshome_dir,'src',pkg.name)
            else:
                srcdir = join(self.abshome_dir,'dist',pkg.name)
            if options.trunk:
                if options.update:
                    pkg.update_trunk(dir=srcdir)
                else:
                    pkg.install_trunk(dir=srcdir, preinstall=options.preinstall, offline=options.offline)
            elif options.stable:
                if options.update:
                    pkg.update_stable(dir=srcdir)
                else:
                    pkg.install_stable(dir=srcdir, preinstall=options.preinstall, offline=options.offline)
            else:
                if options.update:
                    pkg.update_release(dir=srcdir)
                else:
                    pkg.install_release(dir=srcdir, preinstall=options.preinstall, offline=options.offline)
        #
        # Copy the <env>/Scripts/* files into <env>/bin
        #
        if os.path.exists(self.abshome_dir+os.sep+"Scripts"):
            for file in glob.glob(self.abshome_dir+os.sep+"Scripts"+os.sep+"*"):
                shutil.copy(file, self.abshome_dir+os.sep+"bin")
        #
        # Localize DOS cmd files
        #
        self.localize_cmd_files(self.abshome_dir)
        #
        # Misc notifications
        #
        if not options.update:
            print ""
            print "-----------------------------------------------------------------"
            print "  Add %s to the PATH environment variable" % (self.home_dir+os.sep+"bin")
            print "-----------------------------------------------------------------"
        print ""
        print "Finished installation in '%s'" % self.home_dir

    def localize_cmd_files(self, dir):
        """
        Hard-code the path to Python that is used in the Python CMD files that
        are installed.
        """
        if not sys.platform.startswith('win'):
            return
        for file in self.cmd_files:
            INPUT = open(join(dir,'bin',file), 'r')
            content = "".join(INPUT.readlines())
            INPUT.close()
            content = content.replace('__VIRTUAL_ENV__',dir)
            OUTPUT = open(join(dir,'bin',file), 'w')
            OUTPUT.write(content)
            OUTPUT.close()

    def svnjoin(*args):
        return '/'.join(args[1:])

    def install_auxdirs(self, options):
        for todir,pkg,fromdir in self.auxdir:
            pkgroot = self.sw_dict[pkg].pkgroot
            if options.update:
                cmd = [Repository.svn,'update','-q',self.svnjoin(self.abshome_dir, todir)]
            else:
                if options.clear:
                    rmtree( join(self.abshome_dir,todir) )
                cmd = [Repository.svn,'checkout','-q',self.svnjoin(pkgroot,fromdir),join(self.abshome_dir,todir)]
            print "Running command '%s'" % " ".join(cmd)
            call_subprocess(cmd, filter_stdout=filter_python_develop,show_stdout=True)

    def read_config_file(self, file=None, fp=None):
        """
        Read a config file.
        """
        parser = OrderedConfigParser()
        if not fp is None:
            parser.readfp(fp, '<default configuration>')
        elif not os.path.exists(file):
            output = urllib2.urlopen(file).read()
            fp = StringIO.StringIO(output)
            parser.readfp(fp, file)
            fp.close()
        else:
            if not file in parser.read(file):
                raise IOError, "Error while parsing file %s." % file
        sections = parser.sections()
        if 'installer' in sections:
            for option, value in parser.items('installer'):
                setattr(self, option, value)
        if 'dos_cmd' in sections:
            for option, value in parser.items('dos_cmd'):
                self.add_dos_cmd(option)
        for sec in sections:
            if sec in ['installer', 'dos_cmd']:
                continue
            if sec.startswith('auxdir_'):
                auxdir = sec[7:]
                for option, value in parser.items(sec):
                    self.add_auxdir(auxdir, option, value)
            else:
                options = {}
                for option, value in parser.items(sec):
                    options[option]=value
                self.add_repository(sec, **options)


def configure(installer):
    """
    A dummy configuration function.
    """
    return installer

def create_installer():
    return Installer()

def get_installer():
    """
    Return an instance of the installer object.  If this object
    does not already exist, then create the object and use the
    configure() function to customize it based on the end-user's
    needs.

    The argument to this function is the class type that will be
    constructed if needed.
    """
    try:
        return get_installer.installer
    except:
        get_installer.installer = configure( create_installer() )
        return get_installer.installer
    

#
# This is a monkey patch, to control the execution of the install_setuptools()
# function that is defined by virtualenv.
#
default_install_setuptools = install_setuptools

def install_setuptools(py_executable, unzip=False):
    if install_setuptools.use_default:
        default_install_setuptools(py_executable, unzip)

install_setuptools.use_default=True


#
# The following methods will be called by virtualenv
#
def extend_parser(parser):
    installer = get_installer()
    installer.modify_parser(parser)

def adjust_options(options, args):
    installer = get_installer()
    installer.get_homedir(options, args)
    installer.adjust_options(options, args)
    installer.setup_installer(options)
    
def after_install(options, home_dir):
    installer = get_installer()
    installer.install_packages(options)




##file site.py
SITE_PY = """
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kvKj7X64mkwsEcDBwcF544BhGL4qS5kvxKZYNJkUSibVfC3KpF4rsSwqUa/TanFYJlW9g6fz62Ql
lagLoXYqxl5xEDz9nZ/gqfi0TpVBAb4lTV1skjqdJ1m2E+mmLKpaLsSiqdJ8JdI8rdMkS/8FPYo8
Fk9/PwbBWS5g5VkqK3EjKwVwlSiW4uOuXhe5GDUlrvl5/Ofky/FEqHmVljV0qDTOQJF1Uge5lAtA
E3o2CkiZ1vJQlXKeLtO57bgtmmwhyiyZS/HPf/LSqGsUBarYyO1aVlLkgAzAlACrRDzga1qJebGQ
sRCv5TzBCfh5S6yAoU1wzxSSMS9EVuQrWFMu51KppNqJ0aypCRChLBYF4JQCBnWaZcG2qK7VGLaU
9mMLj0TC7OEvhtkD1onz9zkHcPyQBz/m6e2EYQP3ILh6zWxTyWV6KxIECz/lrZxP9bNRuhSLdLkE
GuT1GLsEjIASWTo7Kmk7vtE79O0RYWW5MoE5JKLMnbmRRsTBWS2STAHbNiXSSBHmb+UsTXKgRn4D
0wFEIGkwNM8iVbWdh1YnCgBQ4T7WICUbJUabJM2BWb9P5oT2T2m+KLZqTBSA3VLil0bV7vpHAwSA
3g4BJgFultnNJs/Sa5ntxoDAJ8C+kqrJahSIRVrJeV1UqVQEAFDbCXkLSE9EUklNQuZMI7cToj/R
JM1xY1HAUOCxEUmyTFdNRRImlilwLnDFuw8/iLenr89evdc8ZoCxzK42gDNAoY12cIIJxFGjqqOs
AIGOg3P8I5LFAoVshfMDXm2Ho3t3OhjB2su4O8bZcCC73lw9DayxBmVCcwU07t8wZKLWQJ//uWe/
g+DVPqrQwvnbdl2ATObJRop1wvyFnBF8o+F8G5f1+iVwg0I4NZBK4eYgginCA5K4NBsVuRQlsFiW
5nIcAIVm1NffRWCF90V+SHvd4QSAUAU5NDrPxjRjLmGhfVgvUV+Yzjtame4S2H3eFBUpDuD/fE66
KEvya8JREUPxt5lcpXmOCCEvBNFBRBOr6xQ4cRGLc+pFesF0EhFrL+6JItEALyHTAU/K22RTZnLC
4ou69W41QpPJWpi9zpjjoGdN6pV2rV3qIO+9iD93uI7QrNeVBODNzBO6ZVFMxAx0NmFTJhsWr3pb
EOcEA/JEg5AnqCeMxe9A0VdKNRtpG5FXQLMQQwXLIsuKLZDsOAiEOMBOxij7zAmt0Ab/A1z8P5P1
fB0EzkwWsAaFyO8DhUDAJMhcc7VGwuM2zcpdJZPmrCmKaiErmuphxD5ixB/YGdcavC9qbdR4ubjL
xSatUSXNtMlM2eLlUc368SWvG5YBllsRzUzXlk4bXF5WrpOZNC7JTC5REvQmvbTbDnMGA3OSLa7F
hq0MtAFZZMoWZFixoNJZ1pKcAIDBwpfkadlk1Ekhg4kEJtqUBH+ToEkvtLME7M1mOUCFxOZ7DvYH
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""".decode("base64").decode("zlib")

##file ez_setup.py
EZ_SETUP_PY = """
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7AEKwc1JsyVAd8Nx+h1BZd5mszmZzAHExAo9rMTsCNsi3eK50I1pC+EFJeqnvPzUbLo0Ct1dclqT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BuZi1hxrFl1/akeYqofnD+qpgSVC90laX+tzYhD5gMPdARF5mMVlM/8g12rPlTuxvUMU5+7ZNf6J
K+Y9q1ZC2l6omuaspLP+WXfMjO/eNUfUsm2qzx5Ty67Z6RFQt+jbKf5xVa7g3xKwAsaHhmlqQtZu
ZELz3VXzxV33slmBxV3rLHComE71pKCb9NAxEAEYIet2YlBfC1m3d80HUeuixfvz4XS+UYxhs2my
vnNJI2NpKLe8aihR64BXx8buSA3T4Br0NCtBSradTz9mw+91fMzmt//64+7l4o+poieL4Rij3h5g
0TOIDY1cfbEmNQSiwIvpaZG2iKhVhf/frpRgU1Hvub24gzFMOfKleqofwugKj1Z3z5s/e2pyQjb0
qFN94IAJmNH6cb2ebTZYsJvNrPsUJEWJoKaq4deOaoft37f2HbxzfQ3O0qUyaF+D2umWO6u75/qi
woheJi7S138BSGV4QQ==
""".decode("base64").decode("zlib")

##file activate.sh
ACTIVATE_SH = """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""".decode("base64").decode("zlib")

##file activate.bat
ACTIVATE_BAT = """
eJx9kMsOgjAQRfdN+g+zoAn8goZEDESJPBpEViSzkFbZ0IX8f+RRaVW0u5mee3PanbjeFSgpKXmI
Hqq4KC9BglFW+YjWhEgJJa2ETvXQCNl2ogFe5CkvwaUEhjPm543vcOdAiacjLxzzJFw6f2bZCsZ0
2YitXPtswawi1zwgC9II0QPD/RELyuOb1jB/Sg0rNhM31Ss4n2I+7ibLb8epQGco2Rja1Fs/zeoa
cR9nWnprJaMspOQJdBR1/g==
""".decode("base64").decode("zlib")

##file deactivate.bat
DEACTIVATE_BAT = """
eJxzSE3OyFfIT0vj4spMU0hJTcvMS01RiPf3cYkP8wwKCXX0iQ8I8vcNCFHQ4FIAguLUEgWIgK0q
FlWqXJpcICVYpGzx2OAY4oFsPpCLbjpQCLvZILVcXFaufi5cACHzOrI=
""".decode("base64").decode("zlib")

##file distutils-init.py
DISTUTILS_INIT = """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""".decode("base64").decode("zlib")

##file distutils.cfg
DISTUTILS_CFG = """
eJxNj00KwkAMhfc9xYNuxe4Ft57AjYiUtDO1wXSmNJnK3N5pdSEEAu8nH6lxHVlRhtDHMPATA4uH
xJ4EFmGbvfJiicSHFRzUSISMY6hq3GLCRLnIvSTnEefN0FIjw5tF0Hkk9Q5dRunBsVoyFi24aaLg
9FDOlL0FPGluf4QjcInLlxd6f6rqkgPu/5nHLg0cXCscXoozRrP51DRT3j9QNl99AP53T2Q=
""".decode("base64").decode("zlib")

##file activate_this.py
ACTIVATE_THIS = """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""".decode("base64").decode("zlib")

if __name__ == '__main__':
    main()

# pyutilib.virtualenv: ignoring comment
## Copy python.exe.manifest
## Monkeypatch distutils.sysconfig
