cpython/Lib/lib2to3/fixes/fix_xreadlines.py
Benjamin Peterson f37eb3a184 Merged revisions 83852-83853,83857,84042,84216,84274-84276,84375,85388,85478,85506-85508 via svnmerge from
svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r83852 | benjamin.peterson | 2010-08-08 15:45:44 -0500 (Sun, 08 Aug 2010) | 1 line

  wrap with parens
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  r83853 | benjamin.peterson | 2010-08-08 15:46:31 -0500 (Sun, 08 Aug 2010) | 1 line

  use parens
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  r83857 | benjamin.peterson | 2010-08-08 15:59:49 -0500 (Sun, 08 Aug 2010) | 1 line

  things which use touch_import should be pre order
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  r84042 | george.boutsioukis | 2010-08-14 16:10:19 -0500 (Sat, 14 Aug 2010) | 2 lines

  This revision incorporates into the 2to3 tool the new, faster, tree matching algorithm developed during a GSOC project. The algorithm resides in the two added modules, btm_matcher and btm_utils. New code has been added to drive the new matching process in refactor.py and a few minor changes were made in other modules. A BM_compatible flag(False by default) has been added in fixer_base and it is set to True in most of the current fixers.
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  r84216 | benjamin.peterson | 2010-08-19 16:44:05 -0500 (Thu, 19 Aug 2010) | 1 line

  allow star_expr in testlist_gexp
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  r84274 | benjamin.peterson | 2010-08-22 18:40:46 -0500 (Sun, 22 Aug 2010) | 1 line

  wrap long line
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  r84275 | benjamin.peterson | 2010-08-22 18:42:22 -0500 (Sun, 22 Aug 2010) | 1 line

  cleanup
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  r84276 | benjamin.peterson | 2010-08-22 18:51:01 -0500 (Sun, 22 Aug 2010) | 1 line

  when there's a None value and a traceback, don't call type with it #9661
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  r84375 | george.boutsioukis | 2010-08-31 08:38:53 -0500 (Tue, 31 Aug 2010) | 3 lines

  Idiomatic code changes & stylistic issues fixed in the BottomMatcher module. Thanks to Benjamin Peterson for taking the time to review the code.
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  r85388 | benjamin.peterson | 2010-10-12 17:27:44 -0500 (Tue, 12 Oct 2010) | 1 line

  fix urllib fixer with multiple as imports on a line #10069
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  r85478 | benjamin.peterson | 2010-10-14 08:09:56 -0500 (Thu, 14 Oct 2010) | 1 line

  stop abusing docstrings
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  r85506 | benjamin.peterson | 2010-10-14 17:45:19 -0500 (Thu, 14 Oct 2010) | 1 line

  kill sibling import
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  r85507 | benjamin.peterson | 2010-10-14 17:54:15 -0500 (Thu, 14 Oct 2010) | 1 line

  remove trailing whitespace
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  r85508 | benjamin.peterson | 2010-10-14 17:55:28 -0500 (Thu, 14 Oct 2010) | 1 line

  typo
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2010-10-14 23:00:04 +00:00

26 lines
689 B
Python

"""Fix "for x in f.xreadlines()" -> "for x in f".
This fixer will also convert g(f.xreadlines) into g(f.__iter__)."""
# Author: Collin Winter
# Local imports
from .. import fixer_base
from ..fixer_util import Name
class FixXreadlines(fixer_base.BaseFix):
BM_compatible = True
PATTERN = """
power< call=any+ trailer< '.' 'xreadlines' > trailer< '(' ')' > >
|
power< any+ trailer< '.' no_call='xreadlines' > >
"""
def transform(self, node, results):
no_call = results.get("no_call")
if no_call:
no_call.replace(Name("__iter__", prefix=no_call.prefix))
else:
node.replace([x.clone() for x in results["call"]])