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svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r63661 | georg.brandl | 2008-05-26 05:26:20 -0500 (Mon, 26 May 2008) | 2 lines Add import fixes for dbm package. ........ r63666 | georg.brandl | 2008-05-26 05:49:09 -0500 (Mon, 26 May 2008) | 2 lines Add xmlrpc package fixes. ........ r63695 | georg.brandl | 2008-05-26 10:14:33 -0500 (Mon, 26 May 2008) | 2 lines Add fixer entries for http package. ........ r63711 | benjamin.peterson | 2008-05-26 13:43:51 -0500 (Mon, 26 May 2008) | 2 lines add import mapping for test.test_support -> test.support ........ r63729 | benjamin.peterson | 2008-05-26 16:31:03 -0500 (Mon, 26 May 2008) | 2 lines mapping for commands module -> subprocess ........ r63769 | brett.cannon | 2008-05-29 00:13:13 -0500 (Thu, 29 May 2008) | 1 line Fixer for UserString.UserString over to the collections module. ........ r63790 | brett.cannon | 2008-05-29 14:13:51 -0500 (Thu, 29 May 2008) | 4 lines Add a fixer for UserList. Closes issue #2878. Thanks to Quentin Gallet-Gilles for the patch. ........ r63880 | collin.winter | 2008-06-01 18:09:38 -0500 (Sun, 01 Jun 2008) | 6 lines Move lib2to3/fixes/{basefix,util}.py down to lib2to3/. This is step 1 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. ........ r63886 | collin.winter | 2008-06-01 22:15:01 -0500 (Sun, 01 Jun 2008) | 5 lines Allow refactoring tools to specify a directory for fixer modules. This is step 2 of turning lib2to3/ into a general-purpose refactoring library, reusable by other projects. Step 1: r63880. ........
39 lines
985 B
Python
39 lines
985 B
Python
# Copyright 2006 Google, Inc. All Rights Reserved.
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# Licensed to PSF under a Contributor Agreement.
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"""Fixer for exec.
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This converts usages of the exec statement into calls to a built-in
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exec() function.
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exec code in ns1, ns2 -> exec(code, ns1, ns2)
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"""
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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 Comma, Name, Call
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class FixExec(fixer_base.BaseFix):
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PATTERN = """
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exec_stmt< 'exec' a=any 'in' b=any [',' c=any] >
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exec_stmt< 'exec' (not atom<'(' [any] ')'>) a=any >
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"""
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def transform(self, node, results):
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assert results
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syms = self.syms
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a = results["a"]
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b = results.get("b")
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c = results.get("c")
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args = [a.clone()]
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args[0].set_prefix("")
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if b is not None:
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args.extend([Comma(), b.clone()])
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if c is not None:
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args.extend([Comma(), c.clone()])
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return Call(Name("exec"), args, prefix=node.get_prefix())
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