Dropped Python 2.5 and 3.1 support and the "futures" compatibility package
This commit is contained in:
parent
cb09ff1f52
commit
86ebe126e6
7
CHANGES
7
CHANGES
@ -1,3 +1,10 @@
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3.0.0
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=====
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- Dropped Python 2.5 and 3.1 support
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- Removed the deprecated "futures" top level package
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2.2.0
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=====
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@ -15,9 +15,11 @@ from concurrent.futures._base import (FIRST_COMPLETED,
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wait,
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as_completed)
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from concurrent.futures.thread import ThreadPoolExecutor
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import sys
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# Jython doesn't have multiprocessing
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try:
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from concurrent.futures.process import ProcessPoolExecutor
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except ImportError:
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pass
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# Jython doesn't have multiprocessing
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if not sys.platform.startswith('java'):
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raise
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@ -1,18 +1,11 @@
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# Copyright 2009 Brian Quinlan. All Rights Reserved.
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# Licensed to PSF under a Contributor Agreement.
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from __future__ import with_statement
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import collections
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import logging
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import threading
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import time
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from concurrent.futures._compat import reraise
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try:
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from collections import namedtuple
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except ImportError:
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from concurrent.futures._compat import namedtuple
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__author__ = 'Brian Quinlan (brian@sweetapp.com)'
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FIRST_COMPLETED = 'FIRST_COMPLETED'
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@ -233,7 +226,7 @@ def as_completed(fs, timeout=None):
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for f in fs:
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f._waiters.remove(waiter)
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DoneAndNotDoneFutures = namedtuple(
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DoneAndNotDoneFutures = collections.namedtuple(
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'DoneAndNotDoneFutures', 'done not_done')
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def wait(fs, timeout=None, return_when=ALL_COMPLETED):
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"""Wait for the futures in the given sequence to complete.
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@ -356,7 +349,7 @@ class Future(object):
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def __get_result(self):
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if self._exception:
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reraise(self._exception, self._traceback)
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raise type(self._exception), self._exception, self._traceback
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else:
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return self._result
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@ -1,111 +0,0 @@
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from keyword import iskeyword as _iskeyword
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from operator import itemgetter as _itemgetter
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import sys as _sys
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def namedtuple(typename, field_names):
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"""Returns a new subclass of tuple with named fields.
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>>> Point = namedtuple('Point', 'x y')
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>>> Point.__doc__ # docstring for the new class
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'Point(x, y)'
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>>> p = Point(11, y=22) # instantiate with positional args or keywords
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>>> p[0] + p[1] # indexable like a plain tuple
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33
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>>> x, y = p # unpack like a regular tuple
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>>> x, y
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(11, 22)
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>>> p.x + p.y # fields also accessable by name
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33
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>>> d = p._asdict() # convert to a dictionary
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>>> d['x']
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11
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>>> Point(**d) # convert from a dictionary
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Point(x=11, y=22)
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>>> p._replace(x=100) # _replace() is like str.replace() but targets named fields
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Point(x=100, y=22)
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"""
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# Parse and validate the field names. Validation serves two purposes,
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# generating informative error messages and preventing template injection attacks.
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if isinstance(field_names, basestring):
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field_names = field_names.replace(',', ' ').split() # names separated by whitespace and/or commas
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field_names = tuple(map(str, field_names))
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for name in (typename,) + field_names:
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if not all(c.isalnum() or c=='_' for c in name):
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raise ValueError('Type names and field names can only contain alphanumeric characters and underscores: %r' % name)
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if _iskeyword(name):
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raise ValueError('Type names and field names cannot be a keyword: %r' % name)
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if name[0].isdigit():
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raise ValueError('Type names and field names cannot start with a number: %r' % name)
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seen_names = set()
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for name in field_names:
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if name.startswith('_'):
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raise ValueError('Field names cannot start with an underscore: %r' % name)
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if name in seen_names:
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raise ValueError('Encountered duplicate field name: %r' % name)
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seen_names.add(name)
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# Create and fill-in the class template
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numfields = len(field_names)
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argtxt = repr(field_names).replace("'", "")[1:-1] # tuple repr without parens or quotes
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reprtxt = ', '.join('%s=%%r' % name for name in field_names)
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dicttxt = ', '.join('%r: t[%d]' % (name, pos) for pos, name in enumerate(field_names))
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template = '''class %(typename)s(tuple):
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'%(typename)s(%(argtxt)s)' \n
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__slots__ = () \n
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_fields = %(field_names)r \n
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def __new__(_cls, %(argtxt)s):
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return _tuple.__new__(_cls, (%(argtxt)s)) \n
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@classmethod
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def _make(cls, iterable, new=tuple.__new__, len=len):
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'Make a new %(typename)s object from a sequence or iterable'
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result = new(cls, iterable)
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if len(result) != %(numfields)d:
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raise TypeError('Expected %(numfields)d arguments, got %%d' %% len(result))
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return result \n
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def __repr__(self):
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return '%(typename)s(%(reprtxt)s)' %% self \n
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def _asdict(t):
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'Return a new dict which maps field names to their values'
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return {%(dicttxt)s} \n
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def _replace(_self, **kwds):
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'Return a new %(typename)s object replacing specified fields with new values'
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result = _self._make(map(kwds.pop, %(field_names)r, _self))
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if kwds:
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raise ValueError('Got unexpected field names: %%r' %% kwds.keys())
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return result \n
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def __getnewargs__(self):
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return tuple(self) \n\n''' % locals()
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for i, name in enumerate(field_names):
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template += ' %s = _property(_itemgetter(%d))\n' % (name, i)
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# Execute the template string in a temporary namespace and
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# support tracing utilities by setting a value for frame.f_globals['__name__']
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namespace = dict(_itemgetter=_itemgetter, __name__='namedtuple_%s' % typename,
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_property=property, _tuple=tuple)
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try:
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exec(template, namespace)
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except SyntaxError:
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e = _sys.exc_info()[1]
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raise SyntaxError(e.message + ':\n' + template)
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result = namespace[typename]
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# For pickling to work, the __module__ variable needs to be set to the frame
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# where the named tuple is created. Bypass this step in enviroments where
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# sys._getframe is not defined (Jython for example).
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if hasattr(_sys, '_getframe'):
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result.__module__ = _sys._getframe(1).f_globals.get('__name__', '__main__')
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return result
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if _sys.version_info[0] < 3:
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def reraise(exc, traceback):
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locals_ = {'exc_type': type(exc), 'exc_value': exc, 'traceback': traceback}
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exec('raise exc_type, exc_value, traceback', {}, locals_)
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else:
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def reraise(exc, traceback):
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# Tracebacks are embedded in exceptions in Python 3
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raise exc
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@ -43,20 +43,14 @@ Process #1..n:
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_ResultItems in "Request Q"
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"""
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from __future__ import with_statement
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import atexit
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from concurrent.futures import _base
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import Queue as queue
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import multiprocessing
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import threading
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import weakref
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import sys
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from concurrent.futures import _base
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try:
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import queue
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except ImportError:
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import Queue as queue
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__author__ = 'Brian Quinlan (brian@sweetapp.com)'
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# Workers are created as daemon threads and processes. This is done to allow the
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"""Implements ThreadPoolExecutor."""
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from __future__ import with_statement
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import atexit
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from concurrent.futures import _base
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import Queue as queue
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import threading
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import weakref
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import sys
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from concurrent.futures import _base
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try:
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import queue
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except ImportError:
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import Queue as queue
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__author__ = 'Brian Quinlan (brian@sweetapp.com)'
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# Workers are created as daemon threads. This is done to allow the interpreter
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# Copyright 2009 Brian Quinlan. All Rights Reserved.
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# Licensed to PSF under a Contributor Agreement.
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"""Execute computations asynchronously using threads or processes."""
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import warnings
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from concurrent.futures import (FIRST_COMPLETED,
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FIRST_EXCEPTION,
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ALL_COMPLETED,
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CancelledError,
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TimeoutError,
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Future,
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Executor,
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wait,
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as_completed,
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ProcessPoolExecutor,
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ThreadPoolExecutor)
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__author__ = 'Brian Quinlan (brian@sweetapp.com)'
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warnings.warn('The futures package has been deprecated. '
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'Use the concurrent.futures package instead.',
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DeprecationWarning)
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from concurrent.futures import ProcessPoolExecutor
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from concurrent.futures import ThreadPoolExecutor
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[wheel]
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universal = 1
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[build_sphinx]
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source-dir = docs
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build-dir = build/sphinx
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[upload_docs]
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upload-dir = build/sphinx/html
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[metadata]
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requires-dist =
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multiprocessing; python_version == '2.5' and platform.python_implementation != 'Jython'
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10
setup.py
10
setup.py
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#!/usr/bin/env python
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import sys
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import os
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extras = {}
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try:
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from setuptools import setup
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extras['zip_safe'] = False
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if sys.version_info < (2, 6) and os.name != 'java':
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extras['install_requires'] = ['multiprocessing']
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except ImportError:
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from distutils.core import setup
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maintainer='Alex Gronholm',
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maintainer_email='alex.gronholm+pypi@nextday.fi',
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url='https://github.com/agronholm/pythonfutures',
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packages=['futures', 'concurrent', 'concurrent.futures'],
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packages=['concurrent', 'concurrent.futures'],
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license='BSD',
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classifiers=['License :: OSI Approved :: BSD License',
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'Development Status :: 5 - Production/Stable',
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'Intended Audience :: Developers',
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'Programming Language :: Python :: 2.5',
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'Programming Language :: Python :: 2.6',
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'Programming Language :: Python :: 2.7',
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'Programming Language :: Python :: 3',
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'Programming Language :: Python :: 3.1'],
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'Programming Language :: Python :: 2 :: Only'],
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**extras
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)
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from __future__ import with_statement
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import os
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import subprocess
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import sys
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@ -8,6 +7,8 @@ import contextlib
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import logging
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import re
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import time
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from StringIO import StringIO
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from test import test_support
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from concurrent import futures
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from concurrent.futures._base import (
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except ImportError:
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import unittest
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try:
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from StringIO import StringIO
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except ImportError:
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from io import StringIO
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try:
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from test import test_support
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except ImportError:
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from test import support as test_support
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try:
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next
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except NameError:
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next = lambda x: x.next()
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def reap_threads(func):
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"""Use this function when threads are being used. This will
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