fix_xreadlines.py (689B)
- """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"]])