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36 lines
904 B
Python
36 lines
904 B
Python
"""
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Fixer that changes zip(seq0, seq1, ...) into list(zip(seq0, seq1, ...)
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unless there exists a 'from future_builtins import zip' statement in the
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top-level namespace.
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We avoid the transformation if the zip() call is directly contained in
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iter(<>), list(<>), tuple(<>), sorted(<>), ...join(<>), or for V in <>:.
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"""
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# Local imports
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from .. import fixer_base
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from ..fixer_util import Name, Call, in_special_context
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class FixZip(fixer_base.ConditionalFix):
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BM_compatible = True
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PATTERN = """
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power< 'zip' args=trailer< '(' [any] ')' >
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>
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"""
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skip_on = "future_builtins.zip"
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def transform(self, node, results):
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if self.should_skip(node):
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return
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if in_special_context(node):
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return None
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new = node.clone()
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new.prefix = u""
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new = Call(Name(u"list"), [new])
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new.prefix = node.prefix
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return new
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