diff options
Diffstat (limited to 'Lib/lib2to3/fixes')
-rw-r--r-- | Lib/lib2to3/fixes/fix_filter.py | 21 | ||||
-rw-r--r-- | Lib/lib2to3/fixes/fix_map.py | 37 | ||||
-rw-r--r-- | Lib/lib2to3/fixes/fix_zip.py | 21 |
3 files changed, 62 insertions, 17 deletions
diff --git a/Lib/lib2to3/fixes/fix_filter.py b/Lib/lib2to3/fixes/fix_filter.py index bb6718c..a7a5a15 100644 --- a/Lib/lib2to3/fixes/fix_filter.py +++ b/Lib/lib2to3/fixes/fix_filter.py @@ -15,7 +15,10 @@ Python 2.6 figure it out. # Local imports from .. import fixer_base -from ..fixer_util import Name, Call, ListComp, in_special_context +from ..pytree import Node +from ..pygram import python_symbols as syms +from ..fixer_util import Name, ArgList, ListComp, in_special_context + class FixFilter(fixer_base.ConditionalFix): BM_compatible = True @@ -34,16 +37,19 @@ class FixFilter(fixer_base.ConditionalFix): > ')' > + [extra_trailers=trailer*] > | power< 'filter' trailer< '(' arglist< none='None' ',' seq=any > ')' > + [extra_trailers=trailer*] > | power< 'filter' args=trailer< '(' [any] ')' > + [extra_trailers=trailer*] > """ @@ -53,23 +59,32 @@ class FixFilter(fixer_base.ConditionalFix): if self.should_skip(node): return + trailers = [] + if 'extra_trailers' in results: + for t in results['extra_trailers']: + trailers.append(t.clone()) + if "filter_lambda" in results: new = ListComp(results.get("fp").clone(), results.get("fp").clone(), results.get("it").clone(), results.get("xp").clone()) + new = Node(syms.power, [new] + trailers, prefix="") elif "none" in results: new = ListComp(Name("_f"), Name("_f"), results["seq"].clone(), Name("_f")) + new = Node(syms.power, [new] + trailers, prefix="") else: if in_special_context(node): return None - new = node.clone() + + args = results['args'].clone() + new = Node(syms.power, [Name("filter"), args], prefix="") + new = Node(syms.power, [Name("list"), ArgList([new])] + trailers) new.prefix = "" - new = Call(Name("list"), [new]) new.prefix = node.prefix return new diff --git a/Lib/lib2to3/fixes/fix_map.py b/Lib/lib2to3/fixes/fix_map.py index 9f966fe..78cf81c 100644 --- a/Lib/lib2to3/fixes/fix_map.py +++ b/Lib/lib2to3/fixes/fix_map.py @@ -22,8 +22,10 @@ soon as the shortest argument is exhausted. # Local imports from ..pgen2 import token from .. import fixer_base -from ..fixer_util import Name, Call, ListComp, in_special_context +from ..fixer_util import Name, ArgList, Call, ListComp, in_special_context from ..pygram import python_symbols as syms +from ..pytree import Node + class FixMap(fixer_base.ConditionalFix): BM_compatible = True @@ -32,6 +34,7 @@ class FixMap(fixer_base.ConditionalFix): map_none=power< 'map' trailer< '(' arglist< 'None' ',' arg=any [','] > ')' > + [extra_trailers=trailer*] > | map_lambda=power< @@ -47,10 +50,12 @@ class FixMap(fixer_base.ConditionalFix): > ')' > + [extra_trailers=trailer*] > | power< - 'map' trailer< '(' [arglist=any] ')' > + 'map' args=trailer< '(' [any] ')' > + [extra_trailers=trailer*] > """ @@ -60,6 +65,11 @@ class FixMap(fixer_base.ConditionalFix): if self.should_skip(node): return + trailers = [] + if 'extra_trailers' in results: + for t in results['extra_trailers']: + trailers.append(t.clone()) + if node.parent.type == syms.simple_stmt: self.warning(node, "You should use a for loop here") new = node.clone() @@ -69,23 +79,32 @@ class FixMap(fixer_base.ConditionalFix): new = ListComp(results["xp"].clone(), results["fp"].clone(), results["it"].clone()) + new = Node(syms.power, [new] + trailers, prefix="") + else: if "map_none" in results: new = results["arg"].clone() + new.prefix = "" else: - if "arglist" in results: - args = results["arglist"] - if args.type == syms.arglist and \ - args.children[0].type == token.NAME and \ - args.children[0].value == "None": + if "args" in results: + args = results["args"] + if args.type == syms.trailer and \ + args.children[1].type == syms.arglist and \ + args.children[1].children[0].type == token.NAME and \ + args.children[1].children[0].value == "None": self.warning(node, "cannot convert map(None, ...) " "with multiple arguments because map() " "now truncates to the shortest sequence") return + + new = Node(syms.power, [Name("map"), args.clone()]) + new.prefix = "" + if in_special_context(node): return None - new = node.clone() + + new = Node(syms.power, [Name("list"), ArgList([new])] + trailers) new.prefix = "" - new = Call(Name("list"), [new]) + new.prefix = node.prefix return new diff --git a/Lib/lib2to3/fixes/fix_zip.py b/Lib/lib2to3/fixes/fix_zip.py index 8f36a94..52c28df 100644 --- a/Lib/lib2to3/fixes/fix_zip.py +++ b/Lib/lib2to3/fixes/fix_zip.py @@ -9,13 +9,16 @@ iter(<>), list(<>), tuple(<>), sorted(<>), ...join(<>), or for V in <>:. # Local imports from .. import fixer_base -from ..fixer_util import Name, Call, in_special_context +from ..pytree import Node +from ..pygram import python_symbols as syms +from ..fixer_util import Name, ArgList, in_special_context + class FixZip(fixer_base.ConditionalFix): BM_compatible = True PATTERN = """ - power< 'zip' args=trailer< '(' [any] ')' > + power< 'zip' args=trailer< '(' [any] ')' > [trailers=trailer*] > """ @@ -28,8 +31,16 @@ class FixZip(fixer_base.ConditionalFix): if in_special_context(node): return None - new = node.clone() - new.prefix = "" - new = Call(Name("list"), [new]) + args = results['args'].clone() + args.prefix = "" + + trailers = [] + if 'trailers' in results: + trailers = [n.clone() for n in results['trailers']] + for n in trailers: + n.prefix = "" + + new = Node(syms.power, [Name("zip"), args], prefix="") + new = Node(syms.power, [Name("list"), ArgList([new])] + trailers) new.prefix = node.prefix return new |