diff options
Diffstat (limited to 'Lib/lib2to3/fixes/fix_throw.py')
-rw-r--r-- | Lib/lib2to3/fixes/fix_throw.py | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/Lib/lib2to3/fixes/fix_throw.py b/Lib/lib2to3/fixes/fix_throw.py deleted file mode 100644 index aac2916..0000000 --- a/Lib/lib2to3/fixes/fix_throw.py +++ /dev/null @@ -1,56 +0,0 @@ -"""Fixer for generator.throw(E, V, T). - -g.throw(E) -> g.throw(E) -g.throw(E, V) -> g.throw(E(V)) -g.throw(E, V, T) -> g.throw(E(V).with_traceback(T)) - -g.throw("foo"[, V[, T]]) will warn about string exceptions.""" -# Author: Collin Winter - -# Local imports -from .. import pytree -from ..pgen2 import token -from .. import fixer_base -from ..fixer_util import Name, Call, ArgList, Attr, is_tuple - -class FixThrow(fixer_base.BaseFix): - BM_compatible = True - PATTERN = """ - power< any trailer< '.' 'throw' > - trailer< '(' args=arglist< exc=any ',' val=any [',' tb=any] > ')' > - > - | - power< any trailer< '.' 'throw' > trailer< '(' exc=any ')' > > - """ - - def transform(self, node, results): - syms = self.syms - - exc = results["exc"].clone() - if exc.type is token.STRING: - self.cannot_convert(node, "Python 3 does not support string exceptions") - return - - # Leave "g.throw(E)" alone - val = results.get("val") - if val is None: - return - - val = val.clone() - if is_tuple(val): - args = [c.clone() for c in val.children[1:-1]] - else: - val.prefix = "" - args = [val] - - throw_args = results["args"] - - if "tb" in results: - tb = results["tb"].clone() - tb.prefix = "" - - e = Call(exc, args) - with_tb = Attr(e, Name('with_traceback')) + [ArgList([tb])] - throw_args.replace(pytree.Node(syms.power, with_tb)) - else: - throw_args.replace(Call(exc, args)) |