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			41 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # Copyright 2006 Georg Brandl.
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| # Licensed to PSF under a Contributor Agreement.
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| 
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| """Fixer for intern().
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| 
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| intern(s) -> sys.intern(s)"""
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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 ImportAndCall, touch_import
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| 
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| 
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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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| 
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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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| 
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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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