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authorRaymond Hettinger <rhettinger@users.noreply.github.com>2018-04-05 18:19:57 (GMT)
committerGitHub <noreply@github.com>2018-04-05 18:19:57 (GMT)
commit01b731fc2b04744a11e32f93aba8bfb9ddb3dd29 (patch)
tree0128472a7e425a2b6e5bef94204db0eeaa226b25 /Lib/difflib.py
parent7286dbd8b20bd0a26fabe1a07ff368082a9c5ed6 (diff)
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bpo-33224: PEP 479 fix for difflib.mdiff() (GH-6381)
Diffstat (limited to 'Lib/difflib.py')
-rw-r--r--Lib/difflib.py20
1 files changed, 12 insertions, 8 deletions
diff --git a/Lib/difflib.py b/Lib/difflib.py
index 043a169..887c3c2 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -1634,14 +1634,18 @@ def _mdiff(fromlines, tolines, context=None, linejunk=None,
lines_to_write -= 1
# Now yield the context lines after the change
lines_to_write = context-1
- while(lines_to_write):
- from_line, to_line, found_diff = next(line_pair_iterator)
- # If another change within the context, extend the context
- if found_diff:
- lines_to_write = context-1
- else:
- lines_to_write -= 1
- yield from_line, to_line, found_diff
+ try:
+ while(lines_to_write):
+ from_line, to_line, found_diff = next(line_pair_iterator)
+ # If another change within the context, extend the context
+ if found_diff:
+ lines_to_write = context-1
+ else:
+ lines_to_write -= 1
+ yield from_line, to_line, found_diff
+ except StopIteration:
+ # Catch exception from next() and return normally
+ return
_file_template = """