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newdb: Fix dump and restore on non-ascii locales

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Fix a bug in the new backend that broke the Check Library function on computers
with non-English locales. Fixes #1215819 [version 1.0 vérification de la bibliothèque](https://bugs.launchpad.net/calibre/+bug/1215819)

Upstream bug: https://code.google.com/p/apsw/issues/detail?id=142
This commit is contained in:
Kovid Goyal 2013-08-23 18:10:49 +05:30
parent 9614b26137
commit 867a51daf2
3 changed files with 2940 additions and 1 deletions
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2928
src/apsw_shell.py Normal file
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3
src/calibre/db/backend.py
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@ -988,9 +988,10 @@ class DB(object):
uv = int(self.user_version)
if sql is None:
from apsw_shell import Shell
callback(_('Dumping database to SQL') + '...')
buf = StringIO()
shell = apsw.Shell(db=self.conn, stdout=buf)
shell = Shell(db=self.conn, stdout=buf)
shell.process_command('.dump')
sql = buf.getvalue()

10
src/calibre/db/tests/writing.py
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@ -581,3 +581,13 @@ class WritingTest(BaseTest):
cache.add_format(1, 'ADD', BytesIO(b'xxxx'))
test_invalidate()
# }}}
def test_dump_and_restore(self): # {{{
' Test roundtripping the db through SQL '
cache = self.init_cache()
all_ids = cache.all_book_ids()
cache.dump_and_restore()
self.assertEqual(cache.set_field('title', {1:'nt'}), set([1]), 'database connection broken')
cache = self.init_cache()
self.assertEqual(cache.all_book_ids(), all_ids, 'dump and restore broke database')
# }}}