mirror of https://github.com/python/cpython
47 lines
1.4 KiB
Python
47 lines
1.4 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 pytree
|
|
from .. import fixer_base
|
|
from ..fixer_util import Name, Attr, 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):
|
|
syms = self.syms
|
|
obj = results["obj"].clone()
|
|
if obj.type == syms.arglist:
|
|
newarglist = obj.clone()
|
|
else:
|
|
newarglist = pytree.Node(syms.arglist, [obj.clone()])
|
|
after = results["after"]
|
|
if after:
|
|
after = [n.clone() for n in after]
|
|
new = pytree.Node(syms.power,
|
|
Attr(Name(u"sys"), Name(u"intern")) +
|
|
[pytree.Node(syms.trailer,
|
|
[results["lpar"].clone(),
|
|
newarglist,
|
|
results["rpar"].clone()])] + after)
|
|
new.prefix = node.prefix
|
|
touch_import(None, u'sys', node)
|
|
return new
|