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Direktori : /usr/lib/python2.7/site-packages/libpasteurize/fixes/ |
Current File : //usr/lib/python2.7/site-packages/libpasteurize/fixes/fix_throw.py |
u"""Fixer for 'g.throw(E(V).with_traceback(T))' -> 'g.throw(E, V, T)'""" from lib2to3 import fixer_base from lib2to3.pytree import Node, Leaf from lib2to3.pgen2 import token from lib2to3.fixer_util import Comma class FixThrow(fixer_base.BaseFix): PATTERN = u""" power< any trailer< '.' 'throw' > trailer< '(' args=power< exc=any trailer< '(' val=any* ')' > trailer< '.' 'with_traceback' > trailer< '(' trc=any ')' > > ')' > > """ def transform(self, node, results): syms = self.syms exc, val, trc = (results[u"exc"], results[u"val"], results[u"trc"]) val = val[0] if val else Leaf(token.NAME, u"None") val.prefix = trc.prefix = u" " kids = [exc.clone(), Comma(), val.clone(), Comma(), trc.clone()] args = results[u"args"] args.children = kids