author | bugtracker-ml@nttdocomo.com |
Sun, 04 Jul 2010 21:21:52 +0100 | |
changeset 84 | 05f4463787cf |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# Copyright 2007 Google, Inc. All Rights Reserved. |
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# Licensed to PSF under a Contributor Agreement. |
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"""Fixer for callable(). |
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This converts callable(obj) into hasattr(obj, '__call__').""" |
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# Local imports |
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from .. import pytree |
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from .. import fixer_base |
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from ..fixer_util import Call, Name, String |
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class FixCallable(fixer_base.BaseFix): |
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# Ignore callable(*args) or use of keywords. |
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# Either could be a hint that the builtin callable() is not being used. |
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PATTERN = """ |
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power< 'callable' |
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trailer< lpar='(' |
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( not(arglist | argument<any '=' any>) func=any |
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| func=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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func = results["func"] |
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args = [func.clone(), String(', '), String("'__call__'")] |
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return Call(Name("hasattr"), args, prefix=node.get_prefix()) |