Mercurial > repos > shellac > guppy_basecaller
diff env/lib/python3.7/site-packages/libpasteurize/fixes/fix_next.py @ 0:26e78fe6e8c4 draft
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author | shellac |
---|---|
date | Sat, 02 May 2020 07:14:21 -0400 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.7/site-packages/libpasteurize/fixes/fix_next.py Sat May 02 07:14:21 2020 -0400 @@ -0,0 +1,43 @@ +u""" +Fixer for: +it.__next__() -> it.next(). +next(it) -> it.next(). +""" + +from lib2to3.pgen2 import token +from lib2to3.pygram import python_symbols as syms +from lib2to3 import fixer_base +from lib2to3.fixer_util import Name, Call, find_binding, Attr + +bind_warning = u"Calls to builtin next() possibly shadowed by global binding" + + +class FixNext(fixer_base.BaseFix): + + PATTERN = u""" + power< base=any+ trailer< '.' attr='__next__' > any* > + | + power< head='next' trailer< '(' arg=any ')' > any* > + | + classdef< 'class' base=any+ ':' + suite< any* + funcdef< 'def' + attr='__next__' + parameters< '(' NAME ')' > any+ > + any* > > + """ + + def transform(self, node, results): + assert results + + base = results.get(u"base") + attr = results.get(u"attr") + head = results.get(u"head") + arg_ = results.get(u"arg") + if arg_: + arg = arg_.clone() + head.replace(Attr(Name(unicode(arg),prefix=head.prefix), + Name(u"next"))) + arg_.remove() + elif base: + attr.replace(Name(u"next", prefix=attr.prefix))