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