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    "info": {
        "author": "David Link",
        "author_email": "dvlink@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 5 - Production/Stable",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: GNU General Public License (GPL)",
            "Programming Language :: Python :: 2.7",
            "Topic :: Database",
            "Topic :: Software Development :: Libraries"
        ],
        "description": "Python Application Development - Core Library Classes\n\nDeveloped over a period of time to address reoccurring requirements for most all applications.  It provides the following modules:\n\nSee Pydocs: http://crowfly.net/pydocs/vlib\n\n## Modules\n\n   * Configuration File Support\n\n   * Database Support\n\n   * DataTable Support (an ORM Lite)\n\n   * Logging Support (with email Support)\n\n   * Object-like (dot) syntax for Dictionaries\n\n   * Utilities\n\n## Details\n\n### Configuration Module\n\n\nThe configuration module reads yaml files and provides a dot syntax for expressing nested data trees.  ie. self.conf.database.hostname.\n    \n       Usage:\n       \n          # To create a singleton instance of configuration data\n          # found in a yaml file pointed to by an environment\n          # variable called VCONF\n          #\n          # eq.:\n          # $ export VCONF=$HOME/proj/conf/dev.yml\n\n          from vlib import conf\n          myconf = conf.getInstance()\n\n          # Print configuration data, from a Yaml file that looks\n          # like this:\n          #\n          # crew:\n          #   captian: Kirk\n          #   science_officer: Spock\n\n          print myconf.crew.captian\n\n          # Real world example with Objects\n          \n          from vlib import conf\n          class Foo(object):\n              def __init__(self):\n                  self.conf = conf.getInstance()\n                  self.webserver = self.conf.webserver\n                  self.dbname    = self.conf.db.name\n                  ...\n### Database Module\n\nThe database modules provides a simple set of methods for talking to your database, like query(), startTransaction(), commit(), etc.\n\n      Usage:\n\n          # To setup the Db instance, you need to define the following\n          # in your config file pointed to by the VCONF environement var.\n          # The db module uses the conf module to read this information\n          #\n          # database:\n          #    engine: mysql\n          #    host: localhost\n          #    db: vlibtests\n          #    user: vlibtests\n          #    passwd: bogangles\n          \n          from vlib import db\n          mydb = db.getInstance()\n          \n          for row in mydb.query('select * from product_types'):\n             print row['product_type_id']\n             print row['name']\n             \n          # Without using config\n          # --------------------\n          \n          from vlib import Db\n          mydb = Db({'engine':'mysql', \n                     'host':'db1', \n                     'db':'books',                 \n                     'user':'bookmgr', \n                     'passwd':'mepassword', \n                     'dictcursor':True })\n                     \n                     \n         # Real world example with Objects\n         # -------------------------------\n         \n         from vlib import db\n\n         class Books(object):\n\n             def __init__(self):\n                 self.db = db.getInstance()\n\n             def getBook(self, book_id):\n                sql = 'select * from books where book_id = %s' % book_id\n                results = self.db.query(sql)\n                if results:\n                   return results[0]\n                return []\n                \n                \n          # Connecting to multiple databases\n          # --------------------------------\n\n          # Define additional database connections in the config\n          # ro_database:\n          #    engine: mysql\n          #    host: localhost\n          #    db: vlibtests\n          #    user: vlibtests_ro\n          #    passwd: bogangles\n          \n          # __ ro/db.py __\n          from vlib import conf\n          from vlib.db import singletonFactory\n          \n          def getInstance():\n            conf_ = conf.getInstance()\n            return singletonFactory.create(**conf_.ro_database)\n            \n          # __ myprog.py __\n          import ro.db as rodb\n          my_rodb = rodb.getInstance()\n          print my_rodb.query('select * from customers')\n\n### DataTable Module\n\nThe DataTable module provides a simple abstraction for creating and executing SQL Statements.  It relies on the Database Module for connection.\n\n      Usage:\n\n          from vlib import db\n          from vlib.datatable import DataTable\n\n          mydb = db.getInstance()\n\n          books = DataTable(mydb, 'books')\n          books.setColumns(['book_id as book_id', 'title'])\n          books.setFilters(\"created > '2015-05-01'\");\n          for book in books.getTable():\n              print book\n\n     Usage as a base class:\n\n         from vlib import db\n         from vlib.datatable import DataTable\n\n         class Books(DataTable):\n\n             def __init__(self):\n                 sellf.db = db.getInstance()\n                 DataTable.__init__(self, self.db, 'books')\n\n             def report(self):\n                 self.setColumns(['created',\n                                  'count(*) as books'])\n                 self.setFilters('created > \"2000-01-01\"')\n                 self.setGroupBy(1)\n                 return self.getTable()\n\n     See, Also:\n     [DataTable Pydocs](http://crowfly.net/pydocs/vlib/datatable.html)\n\n### Logging Module\n\nThe logging module uses log4r to produce consistent log entries that include date, hostname, and class name.\n\n     Usage:\n\n          # To setup a Logging instance, you define the following in your\n          # config file.  The logging module uses the conf module to read it.\n          #\n          # logging:\n          #    filename: /var/log/myapp/myapp.log\n          #    level: DEBUG\n           \n          # If you want the logger to email you on 'critical' you need \n          # define email server\n          #\n          # email:                                                                          \n          #    server  : smtp.gmail.com:587                                                 \n          #    username: mailerbot@mycompany.com                                   \n          #    password: secret                                                    \n          #    fromaddr: Myapp Admin mailerbot@mycompany.com                         \n           \n          from vlib import logger\n                    \n          class MyClass:\n           \n             def __init__(self):\n                self.logger = logger.getLogger(self.__class__.__name__)\n               \n             def do_something(self):\n                self.logger.debug('Started doing something')\n                self.logger.info('Did Something')\n                self.logger.warn('Warning')\n                self.logger.error('Did not do something')\n                 \n                # The following we send email:                                          \n                # self.logger.critical('Something bad happened')    \n                 \n          MyClass().do_something()\n\nThe above outputs to the log:\n\n    2014-02-24 14:41:30\tdev1.localdomain\tDEBUG\tMyClass\tStarted MyClass.do_something()\n    2014-02-24 14:41:30\tdev1.localdomain\tINFO\tMyClass\tDid Something\n    2014-02-24 14:41:30\tdev1.localdomain\tWARNING\tMyClass\tWarning\n    2014-02-24 14:41:30\tdev1.localdomain\tERROR\tMyClass\tDid not do something\n\n\n### Object Dictionary\n\nThe **odict** class is syntactic sugar for dealing with dictionaries and nested dictionaries. It privides dot (.) sytax, as well as flower brace ({}) and squre braces ([]) syntax\n\n    attr['color'] = 'blue' # normal dict\n\n    attr.color = 'blue'    # odict\n\nExample 1: This code using dicts \u2026\n\n    picture  = {'name'    : 'The Card Players',\n                'filename': 'cezanne2.jpg',\n                'year'    : 1895}\n    print img(src=picture['filename'])\n\nCan be written like this:\n\n    from vlib.odict import odict\n    picture  = odict(name     = 'The Card Players',\n                     filename = 'cezanne2.jpg',\n                     year     = 1895)\n    print img(src=picture.filename)\n\n\nNested Odicts Example:\n\n    from vlib.odict import odict\n    workflow = odict(processes=odict(max_processes=5, debug=False))\n    for p in workflow.processes.max_processes:\n        startHandler(workflow.processes.debug)\n\n### Utilities\n\n    pretty(X):\n        Return X formated nicely for the console\n\n    str2datetime(s, format=\"%Y-%m-%d %H:%M:%S\"):\n        Convert str in the form of \"2010-11-11 17:39:52\" or\n                                   \"2010-11-11\"          to a\n        datetime.datetime Object\n\n    str2date(s):\n        Convert str in the form of \"2010-11-11\" to a\n        datetime.date Object\n\n    format_datetime(d, with_seconds=False, format=None):\n        Given a datetime object\n        Return formated String as follows:\n\n           Format: None   : 11/22/2013 01:46[:00] am\n                   ISO8601: 2013-11-21T01:46:00-05:00 (EST)\n\n    format_date(d):\n        Given a datetime object\n        Return a string in the form of \"mm/dd/yyyy\"\n\n    table2csv(data):\n        Give a LIST or TUPLE\n        Return: A CSV table as STRING or the input data if not LIST or TUPLE\n\n    list2csv(data):\n        Given a Table of data as a LIST of LISTs\n        Return in CSV format as a STR\n\n    formatdict(d, width=console_width(), indent=0, keylen=0, color=False):\n        Recursively format contents of dictionaries in sorted tabular order.\n        Optionally a certain width, indented, and/or a specific key length.\n\n        >>> utils.formatdict(batch_item)\n                active: 1\n              batch_id: 3250\n              on_press: None\n              order_id: 2007372\n             page_list: None\n                   qty: 2\n          removed_date: None\n\n    uniqueId(with_millisec=False):\n        Return system time to the millisec as set of numbers\n\n    shift(alist):\n        shift the firt element off of an array and return it\n\n    valid_email(email):\n        Given an email address\n        Return whether it is in valid format as BOOLEAN\n\n\n\n## Installation\n\n__Ubuntu__\n\nUpdate apt-get to the latest libraries:\n\n    apt-get update\n\nInstall pip, if you haven't done so already:\n\n     apt-get install python-pip\n     pip install -U pip\n\nInstall Mysql DB Connectorm, if you haven't done so already:\n\n    apt-get install python-dev libmysqlclient-dev\n    pip install MySQL-python\n\nInstall vweb:\n\n    pip install vlib\n\n__Red Hat__\n\n    yum install MySQL-python",
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