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26 lines
780 B
Python
26 lines
780 B
Python
"""Fixer that changes unicode to str and unichr to chr, but -- unlike the
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lib2to3 fix_unicode.py fixer, does not change u"..." into "...".
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The reason is that Py3.3+ supports the u"..." string prefix, and, if
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present, the prefix may provide useful information for disambiguating
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between byte strings and unicode strings, which is often the hardest part
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of the porting task.
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"""
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from lib2to3.pgen2 import token
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from lib2to3 import fixer_base
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_mapping = {u"unichr" : u"chr", u"unicode" : u"str"}
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class FixUnicodeKeepU(fixer_base.BaseFix):
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BM_compatible = True
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PATTERN = "'unicode' | 'unichr'"
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def transform(self, node, results):
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if node.type == token.NAME:
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new = node.clone()
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new.value = _mapping[node.value]
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return new
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