//usr/lib64/python3.9/lib2to3/fixes
54 items
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.. / Parent Directory
__pycache__ — dir
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__init__.py — 47 B
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fix_apply.py — 2.29 KB
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fix_asserts.py — 984 B
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fix_basestring.py — 320 B
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fix_dict.py — 3.67 KB
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fix_except.py — 3.27 KB
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fix_exec.py — 979 B
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fix_execfile.py — 2 KB
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fix_exitfunc.py — 2.44 KB
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fix_filter.py — 2.7 KB
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fix_funcattrs.py — 644 B
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fix_future.py — 547 B
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fix_getcwdu.py — 451 B
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fix_has_key.py — 3.12 KB
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fix_idioms.py — 4.76 KB
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fix_import.py — 3.18 KB
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fix_imports.py — 5.55 KB
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fix_imports2.py — 289 B
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fix_input.py — 708 B
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fix_intern.py — 1.12 KB
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fix_isinstance.py — 1.57 KB
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fix_itertools.py — 1.51 KB
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fix_itertools_imports.py — 2.04 KB
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fix_long.py — 476 B
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fix_map.py — 3.55 KB
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fix_metaclass.py — 8 KB
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fix_methodattrs.py — 606 B
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fix_ne.py — 571 B
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fix_next.py — 3.1 KB
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fix_nonzero.py — 591 B
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fix_numliterals.py — 768 B
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fix_operator.py — 3.35 KB
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fix_paren.py — 1.2 KB
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fix_print.py — 2.78 KB
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fix_raise.py — 2.86 KB
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fix_raw_input.py — 454 B
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fix_reduce.py — 837 B
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fix_reload.py — 1.06 KB
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fix_renames.py — 2.17 KB
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fix_repr.py — 613 B
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fix_set_literal.py — 1.66 KB
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fix_standarderror.py — 449 B
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fix_sys_exc.py — 1.01 KB
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fix_throw.py — 1.54 KB
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fix_tuple_params.py — 5.43 KB
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fix_types.py — 1.73 KB
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fix_unicode.py — 1.23 KB
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fix_urllib.py — 8.17 KB
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fix_ws_comma.py — 1.06 KB
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fix_xrange.py — 2.63 KB
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fix_xreadlines.py — 689 B
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fix_zip.py — 1.26 KB
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fixes
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"""Fixer for it.next() -> next(it), per PEP 3114.""" # Author: Collin Winter # Things that currently aren't covered: # - listcomp "next" names aren't warned # - "with" statement targets aren't checked # Local imports from ..pgen2 import token from ..pygram import python_symbols as syms from .. import fixer_base from ..fixer_util import Name, Call, find_binding bind_warning = "Calls to builtin next() possibly shadowed by global binding" class FixNext(fixer_base.BaseFix): BM_compatible = True PATTERN = """ power< base=any+ trailer< '.' attr='next' > trailer< '(' ')' > > | power< head=any+ trailer< '.' attr='next' > not trailer< '(' ')' > > | classdef< 'class' any+ ':' suite< any* funcdef< 'def' name='next' parameters< '(' NAME ')' > any+ > any* > > | global=global_stmt< 'global' any* 'next' any* > """ order = "pre" # Pre-order tree traversal def start_tree(self, tree, filename): super(FixNext, self).start_tree(tree, filename) n = find_binding('next', tree) if n: self.warning(n, bind_warning) self.shadowed_next = True else: self.shadowed_next = False def transform(self, node, results): assert results base = results.get("base") attr = results.get("attr") name = results.get("name") if base: if self.shadowed_next: attr.replace(Name("__next__", prefix=attr.prefix)) else: base = [n.clone() for n in base] base[0].prefix = "" node.replace(Call(Name("next", prefix=node.prefix), base)) elif name: n = Name("__next__", prefix=name.prefix) name.replace(n) elif attr: # We don't do this transformation if we're assigning to "x.next". # Unfortunately, it doesn't seem possible to do this in PATTERN, # so it's being done here. if is_assign_target(node): head = results["head"] if "".join([str(n) for n in head]).strip() == '__builtin__': self.warning(node, bind_warning) return attr.replace(Name("__next__")) elif "global" in results: self.warning(node, bind_warning) self.shadowed_next = True ### The following functions help test if node is part of an assignment ### target. def is_assign_target(node): assign = find_assign(node) if assign is None: return False for child in assign.children: if child.type == token.EQUAL: return False elif is_subtree(child, node): return True return False def find_assign(node): if node.type == syms.expr_stmt: return node if node.type == syms.simple_stmt or node.parent is None: return None return find_assign(node.parent) def is_subtree(root, node): if root == node: return True return any(is_subtree(c, node) for c in root.children)