summaryrefslogtreecommitdiffstats
path: root/Lib/lib2to3/fixes
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/lib2to3/fixes')
-rw-r--r--Lib/lib2to3/fixes/fix_idioms.py25
-rw-r--r--Lib/lib2to3/fixes/fix_map.py18
-rw-r--r--Lib/lib2to3/fixes/fix_tuple_params.py2
3 files changed, 37 insertions, 8 deletions
diff --git a/Lib/lib2to3/fixes/fix_idioms.py b/Lib/lib2to3/fixes/fix_idioms.py
index 1f68faf..9bee99b 100644
--- a/Lib/lib2to3/fixes/fix_idioms.py
+++ b/Lib/lib2to3/fixes/fix_idioms.py
@@ -29,7 +29,7 @@ into
# Local imports
from .. import fixer_base
-from ..fixer_util import Call, Comma, Name, Node, syms
+from ..fixer_util import Call, Comma, Name, Node, BlankLine, syms
CMP = "(n='!=' | '==' | 'is' | n=comp_op< 'is' 'not' >)"
TYPE = "power< 'type' trailer< '(' x=any ')' > >"
@@ -130,5 +130,24 @@ class FixIdioms(fixer_base.BaseFix):
else:
raise RuntimeError("should not have reached here")
sort_stmt.remove()
- if next_stmt:
- next_stmt[0].prefix = sort_stmt.prefix
+
+ btwn = sort_stmt.prefix
+ # Keep any prefix lines between the sort_stmt and the list_call and
+ # shove them right after the sorted() call.
+ if "\n" in btwn:
+ if next_stmt:
+ # The new prefix should be everything from the sort_stmt's
+ # prefix up to the last newline, then the old prefix after a new
+ # line.
+ prefix_lines = (btwn.rpartition("\n")[0], next_stmt[0].prefix)
+ next_stmt[0].prefix = "\n".join(prefix_lines)
+ else:
+ assert list_call.parent
+ assert list_call.next_sibling is None
+ # Put a blank line after list_call and set its prefix.
+ end_line = BlankLine()
+ list_call.parent.append_child(end_line)
+ assert list_call.next_sibling is end_line
+ # The new prefix should be everything up to the first new line
+ # of sort_stmt's prefix.
+ end_line.prefix = btwn.rpartition("\n")[0]
diff --git a/Lib/lib2to3/fixes/fix_map.py b/Lib/lib2to3/fixes/fix_map.py
index cf8f351..77d66c4 100644
--- a/Lib/lib2to3/fixes/fix_map.py
+++ b/Lib/lib2to3/fixes/fix_map.py
@@ -49,8 +49,7 @@ class FixMap(fixer_base.ConditionalFix):
>
|
power<
- 'map'
- args=trailer< '(' [any] ')' >
+ 'map' trailer< '(' [arglist=any] ')' >
>
"""
@@ -66,13 +65,22 @@ class FixMap(fixer_base.ConditionalFix):
new.prefix = ""
new = Call(Name("list"), [new])
elif "map_lambda" in results:
- new = ListComp(results.get("xp").clone(),
- results.get("fp").clone(),
- results.get("it").clone())
+ new = ListComp(results["xp"].clone(),
+ results["fp"].clone(),
+ results["it"].clone())
else:
if "map_none" in results:
new = results["arg"].clone()
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":
+ self.warning(node, "cannot convert map(None, ...) "
+ "with multiple arguments because map() "
+ "now truncates to the shortest sequence")
+ return
if in_special_context(node):
return None
new = node.clone()
diff --git a/Lib/lib2to3/fixes/fix_tuple_params.py b/Lib/lib2to3/fixes/fix_tuple_params.py
index 41b8dc2..fb47d01 100644
--- a/Lib/lib2to3/fixes/fix_tuple_params.py
+++ b/Lib/lib2to3/fixes/fix_tuple_params.py
@@ -96,6 +96,8 @@ class FixTupleParams(fixer_base.BaseFix):
new_lines[0].prefix = indent
after = start + 1
+ for line in new_lines:
+ line.parent = suite[0]
suite[0].children[after:after] = new_lines
for i in range(after+1, after+len(new_lines)+1):
suite[0].children[i].prefix = indent