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https://github.com/kovidgoyal/calibre.git
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6e9108e9b3
@ -92,6 +92,8 @@ class Metadata(object):
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def is_null(self, field):
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null_val = NULL_VALUES.get(field, None)
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val = getattr(self, field, None)
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if val is False or val in (0, 0.0):
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return True
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return not val or val == null_val
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def __getattribute__(self, field):
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@ -1691,7 +1691,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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return books_to_refresh
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def set_metadata(self, id, mi, ignore_errors=False, set_title=True,
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set_authors=True, commit=True, force_changes=False):
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set_authors=True, commit=True, force_cover=False,
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force_tags=False):
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'''
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Set metadata for the book `id` from the `Metadata` object `mi`
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'''
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@ -1709,12 +1710,10 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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raise
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# force_changes has no role to play in setting title or author
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path_changed = False
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if set_title and mi.title:
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if set_title and not mi.is_null('title'):
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self._set_title(id, mi.title)
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path_changed = True
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if set_authors:
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if not mi.authors:
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mi.authors = [_('Unknown')]
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if set_authors and not mi.is_null('authors'):
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authors = []
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for a in mi.authors:
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authors += string_to_authors(a)
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@ -1723,15 +1722,15 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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if path_changed:
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self.set_path(id, index_is_id=True)
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if force_changes or mi.author_sort:
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if not mi.is_null('author_sort'):
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doit(self.set_author_sort, id, mi.author_sort, notify=False,
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commit=False)
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if force_changes or mi.publisher:
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if not mi.is_null('publisher'):
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doit(self.set_publisher, id, mi.publisher, notify=False,
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commit=False)
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if force_changes or mi.rating:
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if not mi.is_null('rating'):
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doit(self.set_rating, id, mi.rating, notify=False, commit=False)
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if force_changes or mi.series:
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if not mi.is_null('series'):
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doit(self.set_series, id, mi.series, notify=False, commit=False)
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if mi.cover_data[1] is not None:
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@ -1742,19 +1741,17 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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raw = f.read()
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if raw:
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doit(self.set_cover, id, raw, commit=False)
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elif force_changes:
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elif force_cover:
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doit(self.remove_cover, id, notify=False, commit=False)
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if force_changes or mi.tags:
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if force_tags or not mi.is_null('tags'):
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doit(self.set_tags, id, mi.tags, notify=False, commit=False)
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if force_changes or mi.comments:
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if not mi.is_null('comments'):
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doit(self.set_comment, id, mi.comments, notify=False, commit=False)
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if force_changes or mi.series_index:
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if not mi.is_null('series_index'):
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doit(self.set_series_index, id, mi.series_index, notify=False,
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commit=False)
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# force_changes would have no effect on the next two.
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if mi.pubdate:
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if not mi.is_null('pubdate'):
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doit(self.set_pubdate, id, mi.pubdate, notify=False, commit=False)
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if getattr(mi, 'timestamp', None) is not None:
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doit(self.set_timestamp, id, mi.timestamp, notify=False,
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@ -1764,19 +1761,16 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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if mi_idents:
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identifiers = self.get_identifiers(id, index_is_id=True)
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for key, val in mi_idents.iteritems():
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if force_changes or (val and val.strip()):
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if val and val.strip():
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identifiers[icu_lower(key)] = val
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self.set_identifiers(id, identifiers, notify=False, commit=False)
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user_mi = mi.get_all_user_metadata(make_copy=False)
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for key in user_mi.iterkeys():
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if key in self.field_metadata and \
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user_mi[key]['datatype'] == self.field_metadata[key]['datatype']:
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val = mi.get(key, None)
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if force_changes or val:
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doit(self.set_custom, id, val=val, extra=mi.get_extra(key),
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label=user_mi[key]['label'], commit=False)
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doit(self.set_custom, id, val=mi.get(key), commit=False,
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extra=mi.get_extra(key), label=user_mi[key]['label'])
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if commit:
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self.conn.commit()
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self.notify('metadata', [id])
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@ -2366,6 +2360,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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@param tags: list of strings
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@param append: If True existing tags are not removed
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'''
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if not tags:
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tags = []
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if not append:
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self.conn.execute('DELETE FROM books_tags_link WHERE book=?', (id,))
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self.conn.execute('''DELETE FROM tags WHERE (SELECT COUNT(id)
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@ -2516,6 +2512,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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self.notify('metadata', [id])
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def set_rating(self, id, rating, notify=True, commit=True):
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if not rating:
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rating = 0
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rating = int(rating)
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self.conn.execute('DELETE FROM books_ratings_link WHERE book=?',(id,))
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rat = self.conn.get('SELECT id FROM ratings WHERE rating=?', (rating,), all=False)
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@ -2530,7 +2528,10 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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def set_comment(self, id, text, notify=True, commit=True):
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self.conn.execute('DELETE FROM comments WHERE book=?', (id,))
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self.conn.execute('INSERT INTO comments(book,text) VALUES (?,?)', (id, text))
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if text:
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self.conn.execute('INSERT INTO comments(book,text) VALUES (?,?)', (id, text))
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else:
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text = ''
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if commit:
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self.conn.commit()
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self.data.set(id, self.FIELD_MAP['comments'], text, row_is_id=True)
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@ -2539,6 +2540,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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self.notify('metadata', [id])
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def set_author_sort(self, id, sort, notify=True, commit=True):
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if not sort:
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sort = ''
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self.conn.execute('UPDATE books SET author_sort=? WHERE id=?', (sort, id))
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self.dirtied([id], commit=False)
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if commit:
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@ -2610,6 +2613,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
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def set_identifiers(self, id_, identifiers, notify=True, commit=True):
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cleaned = {}
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if not identifiers:
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identifiers = {}
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for typ, val in identifiers.iteritems():
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typ, val = self._clean_identifier(typ, val)
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if val:
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