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        "author": "Moises P. Sena",
        "author_email": "moisespsena@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 5 - Production/Stable",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Operating System :: OS Independent",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3",
            "Topic :: Utilities"
        ],
        "description": "singlesp.py\n===========\n\nThe Single Subprocess usage module.\n\nAuthor: Moises P. Sena moisespsena@gmail.com\n\nLicense: MIT\n\nExamples\n--------\n\n.. code:: python\n\n    from singlesp import *\n\nInstantiate\n-----------\n\n.. code:: python\n\n    p = Proc('date')\n    # or\n    p = Proc(['echo', __file__])\n\nstdout\n------\n\nFor set **stdout** callback, use the ``>`` operator.\n\n.. code:: python\n\n    print(p.read())\n    # or\n    print(p.wait().read())\n    # or\n    print(p.run().wait().read())\n\n    def cb_out(proc):\n        for line in proc.out:\n            print(\"STDOUT: %r\" % line)\n            \n    Proc('date', callbacks=[cb_out]).wait()\n\n    def cb_outreader(reader):\n        for line in reader:\n            print(\"STDOUT: %r\" % line)\n\n    (Proc('date') > cb_outreader).wait()\n\n    # or\n\n    p = Proc('date') > cb_outreader\n    p.wait()\n\nbuffer\n~~~~~~\n\n.. code:: python\n\n    def cb_outreader(reader):\n        for data in reader(10):\n            print(\"STDOUT: %r\" % data)\n\n    (Proc('date') > cb_outreader).wait()\n\nstderr\n------\n\nFor set **stderr** callback, use the ``>>`` operator.\n\n.. code:: python\n\n    def cb_errreader(reader):\n        for data in reader:\n            print(\"ERR: %r\" % data)\n\n    (Proc('date') >> cb_outreader).wait()\n\nstdout and stderr callbacks\n---------------------------\n\n.. code:: python\n\n    def cbo(reader):\n        for data in reader:\n            print(\"OUT: %r\" % data)\n            \n    def cbe(reader):\n        for data in reader:\n            print(\"ERR: %r\" % data)\n\n    (Proc('echo out data;echo err data >&2;') > cbo >> cbe).wait()\n\ncallbacks\n---------\n\n.. code:: python\n\n    # async read stdout and stderr\n\n    def cb_stdout(proc):\n        for line in proc.out:\n            print(\"STDOUT: %r\" % line)\n\n    def cb_stderr(proc):\n        for line in proc.err:\n            print(\"STDERR: %r\" % line)\n\n    Proc('seq 1 3 | while read l; do echo \"i= $l\"; echo \"i in err: $l\" >&2; done',\n         callbacks=[cb_stdout, cb_stderr]).wait()\n\nMany commands async\n-------------------\n\n.. code:: python\n\n    Proc('echo CMD-1: first command with sleep 1; sleep 1; echo CMD-1: done',\n         callbacks=[cb_stdout, cb_stderr]).run()\n    Proc('echo CMD-2: show date; date; echo CMD-2: done',\n         callbacks=[cb_stdout, cb_stderr]).run()\n\n    # wait all callbacks\n    print(\"before wait\")\n    wait()\n    print(\"done\")\n\nGet exit status\n---------------\n\n.. code:: python\n\n    p = Proc('date').run().wait()\n    # or p = Proc('date').wait()\n    print(p.status)\n\nPipes\n-----\n\nSimple:\n\n.. code:: python\n\n    (Input(['God ', 'is ', 'Love!!']) | Proc(['cat'])).read()\n\n    def cb_stdout(reader):\n        for line in reader:\n            print(\"STDOUT: %r\" % line)\n            \n    p = Proc('seq 1 3') | Proc('grep 2') > cb_stdout\n    # or p = Proc('seq 1 3').pipe(Proc('grep 2')) > cb_stdout\n\n    p.run()\n    wait()\n\n    print(Input(['God ', 'is ', 'Love!!']) | Proc(['cat'])).read()\n\n\n    def gen():\n        yield 'God '\n        yield 'is '\n        yield 'Love!!'\n\n\n    print(Input(gen()) | Proc(['cat'])).read()\n\n    print(Commands(['date']) | Proc(['bash'])).read()\n\n    print(Commands(['date']) | bash()).read()\n\n    print(Commands(['date']) | sh()).read()\n\n    wait()\n\nSimple:\n\n.. code:: python\n\n           \n    p = Proc('seq 1 3') | Proc('grep 2') > cb_stdout\n    p.run()\n    wait()\n\nComplex:\n\n.. code:: python\n\n    def cb_stdout(proc):\n        for line in proc.out:\n            print(\"STDOUT: %r\" % line)\n\n    def a_stderr(proc):\n        for line in proc.err:\n            print(\"A-STDERR: %r\" % line)\n\n    def b_stderr(proc):\n        for line in proc.err:\n            print(\"B-STDERR: %r\" % line)\n\n    p = Proc('echo \"[A] error message\" >&2;seq 1 3', callbacks=[a_stderr]) | \\\n        Proc('while read l; do echo \"i= $l\"; echo \"[B] i in err: $l\" >&2; done',\n         callbacks=[cb_stdout, b_stderr])\n    p.run()\n    wait()",
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