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42 lines
1.2 KiB
42 lines
1.2 KiB
6 years ago
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# Copyright 2006 Georg Brandl.
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# Licensed to PSF under a Contributor Agreement.
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"""Fixer for intern().
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intern(s) -> sys.intern(s)"""
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# Local imports
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from .. import fixer_base
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from ..fixer_util import ImportAndCall, touch_import
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class FixIntern(fixer_base.BaseFix):
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BM_compatible = True
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order = "pre"
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PATTERN = """
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power< 'intern'
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trailer< lpar='('
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( not(arglist | argument<any '=' any>) obj=any
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| obj=arglist<(not argument<any '=' any>) any ','> )
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rpar=')' >
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after=any*
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>
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"""
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def transform(self, node, results):
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if results:
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# I feel like we should be able to express this logic in the
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# PATTERN above but I don't know how to do it so...
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obj = results['obj']
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if obj:
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if obj.type == self.syms.star_expr:
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return # Make no change.
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if (obj.type == self.syms.argument and
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obj.children[0].value == '**'):
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return # Make no change.
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names = ('sys', 'intern')
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new = ImportAndCall(node, results, names)
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touch_import(None, 'sys', node)
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return new
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