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Make importing of old database robust against encoding issues

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This commit is contained in:
Kovid Goyal 2008-09-22 09:57:25 -07:00
parent 35c8db2dd7
commit 255ff6262c
1 changed files with 12 additions and 0 deletions
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12
src/calibre/library/database2.py
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@ -16,6 +16,7 @@ from PyQt4.QtGui import QApplication, QPixmap, QImage
__app = None
from calibre.library.database import LibraryDatabase
from calibre.constants import preferred_encoding
copyfile = os.link if hasattr(os, 'link') else shutil.copyfile
filesystem_encoding = sys.getfilesystemencoding()
@ -753,6 +754,8 @@ class LibraryDatabase2(LibraryDatabase):
if not a:
continue
a = a.strip()
if not isinstance(a, unicode):
a = a.decode(preferred_encoding, 'replace')
author = self.conn.execute('SELECT id from authors WHERE name=?', (a,)).fetchone()
if author:
aid = author[0]
@ -770,6 +773,8 @@ class LibraryDatabase2(LibraryDatabase):
def set_title(self, id, title, notify=True):
if not title:
return
if not isinstance(title, unicode):
title = title.decode(preferred_encoding, 'replace')
self.conn.execute('UPDATE books SET title=? WHERE id=?', (title, id))
self.set_path(id, True)
self.notify('metadata', [id])
@ -778,6 +783,8 @@ class LibraryDatabase2(LibraryDatabase):
self.conn.execute('DELETE FROM books_publishers_link WHERE book=?',(id,))
self.conn.execute('DELETE FROM publishers WHERE (SELECT COUNT(id) FROM books_publishers_link WHERE publisher=publishers.id) < 1')
if publisher:
if not isinstance(publisher, unicode):
publisher = publisher.decode(preferred_encoding, 'replace')
pub = self.conn.execute('SELECT id from publishers WHERE name=?', (publisher,)).fetchone()
if pub:
aid = pub[0]
@ -799,6 +806,8 @@ class LibraryDatabase2(LibraryDatabase):
tag = tag.lower().strip()
if not tag:
continue
if not isinstance(tag, unicode):
tag = tag.decode(preferred_encoding, 'replace')
t = self.conn.execute('SELECT id FROM tags WHERE name=?', (tag,)).fetchone()
if t:
tid = t[0]
@ -817,6 +826,8 @@ class LibraryDatabase2(LibraryDatabase):
self.conn.execute('DELETE FROM books_series_link WHERE book=?',(id,))
self.conn.execute('DELETE FROM series WHERE (SELECT COUNT(id) FROM books_series_link WHERE series=series.id) < 1')
if series:
if not isinstance(series, unicode):
series = series.decode(preferred_encoding, 'replace')
s = self.conn.execute('SELECT id from series WHERE name=?', (series,)).fetchone()
if s:
aid = s[0]
@ -960,6 +971,7 @@ class LibraryDatabase2(LibraryDatabase):
progress.setLabelText(header)
QCoreApplication.processEvents()
db.conn.row_factory = lambda cursor, row : tuple(row)
db.conn.text_factory = lambda x : unicode(x, 'utf-8', 'replace')
books = db.conn.execute('SELECT id, title, sort, timestamp, uri, series_index, author_sort, isbn FROM books ORDER BY id ASC').fetchall()
progress.setAutoReset(False)
progress.setRange(0, len(books))