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-rw-r--r--Lib/lib2to3/fixes/fix_filter.py21
-rw-r--r--Lib/lib2to3/fixes/fix_map.py37
-rw-r--r--Lib/lib2to3/fixes/fix_zip.py21
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