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Fix #3669: gettext builder fails with "ValueError: substring not found"

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This commit is contained in:
Takeshi KOMIYA 2017-04-27 00:17:07 +09:00
parent 50609f2000
commit f8b58e41cd
2 changed files with 13 additions and 8 deletions
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1
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@ -16,6 +16,7 @@ Bugs fixed
----------
* #3661: sphinx-build crashes on parallel build
* #3669: gettext builder fails with "ValueError: substring not found"
Testing
--------

4
sphinx/builders/gettext.py
View File

@ -194,6 +194,7 @@ ltz = LocalTimeZone()
def should_write(filepath, new_content):
if not path.exists(filepath):
return True
try:
with open(filepath, 'r', encoding='utf-8') as oldpot: # type: ignore
old_content = oldpot.read()
old_header_index = old_content.index('"POT-Creation-Date:')
@ -202,6 +203,9 @@ def should_write(filepath, new_content):
new_body_index = new_content.index('"PO-Revision-Date:')
return ((old_content[:old_header_index] != new_content[:new_header_index]) or
(new_content[new_body_index:] != old_content[old_body_index:]))
except ValueError:
pass
return True