Mercurial > repos > guerler > springsuite
comparison planemo/lib/python3.7/site-packages/libpasteurize/fixes/fix_raise_.py @ 1:56ad4e20f292 draft
"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
| author | guerler |
|---|---|
| date | Fri, 31 Jul 2020 00:32:28 -0400 |
| parents | |
| children |
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| 0:d30785e31577 | 1:56ad4e20f292 |
|---|---|
| 1 u"""Fixer for | |
| 2 raise E(V).with_traceback(T) | |
| 3 to: | |
| 4 from future.utils import raise_ | |
| 5 ... | |
| 6 raise_(E, V, T) | |
| 7 | |
| 8 TODO: FIXME!! | |
| 9 | |
| 10 """ | |
| 11 | |
| 12 from lib2to3 import fixer_base | |
| 13 from lib2to3.fixer_util import Comma, Node, Leaf, token, syms | |
| 14 | |
| 15 class FixRaise(fixer_base.BaseFix): | |
| 16 | |
| 17 PATTERN = u""" | |
| 18 raise_stmt< 'raise' (power< name=any [trailer< '(' val=any* ')' >] | |
| 19 [trailer< '.' 'with_traceback' > trailer< '(' trc=any ')' >] > | any) ['from' chain=any] >""" | |
| 20 | |
| 21 def transform(self, node, results): | |
| 22 FIXME | |
| 23 name, val, trc = (results.get(u"name"), results.get(u"val"), results.get(u"trc")) | |
| 24 chain = results.get(u"chain") | |
| 25 if chain is not None: | |
| 26 self.warning(node, u"explicit exception chaining is not supported in Python 2") | |
| 27 chain.prev_sibling.remove() | |
| 28 chain.remove() | |
| 29 if trc is not None: | |
| 30 val = val[0] if val else Leaf(token.NAME, u"None") | |
| 31 val.prefix = trc.prefix = u" " | |
| 32 kids = [Leaf(token.NAME, u"raise"), name.clone(), Comma(), | |
| 33 val.clone(), Comma(), trc.clone()] | |
| 34 raise_stmt = Node(syms.raise_stmt, kids) | |
| 35 node.replace(raise_stmt) |