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73 lines
1.8 KiB
73 lines
1.8 KiB
"""
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A resurrection of some old functions from Python 2 for use in Python 3. These
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should be used sparingly, to help with porting efforts, since code using them
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is no longer standard Python 3 code.
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This module provides the following:
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1. Implementations of these builtin functions which have no equivalent on Py3:
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- apply
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- chr
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- cmp
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- execfile
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2. Aliases:
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- intern <- sys.intern
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- raw_input <- input
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- reduce <- functools.reduce
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- reload <- imp.reload
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- unichr <- chr
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- unicode <- str
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- xrange <- range
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3. List-producing versions of the corresponding Python 3 iterator-producing functions:
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- filter
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- map
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- range
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- zip
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4. Forward-ported Py2 types:
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- basestring
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- dict
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- str
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- long
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- unicode
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"""
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from future.utils import PY3
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from past.builtins.noniterators import (filter, map, range, reduce, zip)
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# from past.builtins.misc import (ascii, hex, input, oct, open)
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if PY3:
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from past.types import (basestring,
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olddict as dict,
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oldstr as str,
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long,
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unicode)
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else:
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from __builtin__ import (basestring, dict, str, long, unicode)
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from past.builtins.misc import (apply, chr, cmp, execfile, intern, oct,
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raw_input, reload, unichr, unicode, xrange)
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from past import utils
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if utils.PY3:
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# We only import names that shadow the builtins on Py3. No other namespace
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# pollution on Py3.
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# Only shadow builtins on Py3; no new names
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__all__ = ['filter', 'map', 'range', 'reduce', 'zip',
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'basestring', 'dict', 'str', 'long', 'unicode',
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'apply', 'chr', 'cmp', 'execfile', 'intern', 'raw_input',
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'reload', 'unichr', 'xrange'
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]
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else:
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# No namespace pollution on Py2
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__all__ = []
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