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"""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 basefix
from .util import Name
class FixXreadlines(basefix.BaseFix):
PATTERN = """
power< call=any+ trailer< '.' 'xreadlines' > trailer< '(' ')' > >
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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.get_prefix()))
else:
node.replace([x.clone() for x in results["call"]])
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