Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/libpasteurize/fixes/fix_raise.py @ 2:6af9afd405e9 draft

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"planemo upload commit 0a63dd5f4d38a1f6944587f52a8cd79874177fc1"
author shellac
date Thu, 14 May 2020 14:56:58 -0400
parents 26e78fe6e8c4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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1 u"""Fixer for 'raise E(V).with_traceback(T)' -> 'raise E, V, T'"""
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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2
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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3 from lib2to3 import fixer_base
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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4 from lib2to3.fixer_util import Comma, Node, Leaf, token, syms
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5
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6 class FixRaise(fixer_base.BaseFix):
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7
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8 PATTERN = u"""
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9 raise_stmt< 'raise' (power< name=any [trailer< '(' val=any* ')' >]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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10 [trailer< '.' 'with_traceback' > trailer< '(' trc=any ')' >] > | any) ['from' chain=any] >"""
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11
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12 def transform(self, node, results):
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13 name, val, trc = (results.get(u"name"), results.get(u"val"), results.get(u"trc"))
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14 chain = results.get(u"chain")
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15 if chain is not None:
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16 self.warning(node, u"explicit exception chaining is not supported in Python 2")
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17 chain.prev_sibling.remove()
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18 chain.remove()
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19 if trc is not None:
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20 val = val[0] if val else Leaf(token.NAME, u"None")
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21 val.prefix = trc.prefix = u" "
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22 kids = [Leaf(token.NAME, u"raise"), name.clone(), Comma(),
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23 val.clone(), Comma(), trc.clone()]
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24 raise_stmt = Node(syms.raise_stmt, kids)
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25 node.replace(raise_stmt)