2013-10-11 17:28:32 +00:00
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"""Fix "for x in f.xreadlines()" -> "for x in f".
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This fixer will also convert g(f.xreadlines) into g(f.__iter__)."""
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# Author: Collin Winter
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# Local imports
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from .. import fixer_base
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from ..fixer_util import Name
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class FixXreadlines(fixer_base.BaseFix):
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BM_compatible = True
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PATTERN = """
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power< call=any+ trailer< '.' 'xreadlines' > trailer< '(' ')' > >
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power< any+ trailer< '.' no_call='xreadlines' > >
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"""
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def transform(self, node, results):
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no_call = results.get("no_call")
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if no_call:
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2014-09-30 16:15:32 +00:00
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no_call.replace(Name("__iter__", prefix=no_call.prefix))
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2013-10-11 17:28:32 +00:00
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else:
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node.replace([x.clone() for x in results["call"]])
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