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1) add force_changes to set_metadata

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2) add a 'default=' parameter to Metadata.get_extra, preventing exceptions
This commit is contained in:
Charles Haley 2011-03-12 12:06:08 +00:00
parent 8bc2d8f8ac
commit af22656188
2 changed files with 27 additions and 16 deletions
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7
src/calibre/ebooks/metadata/book/base.py
View File

@ -169,10 +169,13 @@ class Metadata(object):
pass
return default
def get_extra(self, field):
def get_extra(self, field, default=None):
_data = object.__getattribute__(self, '_data')
if field in _data['user_metadata'].iterkeys():
return _data['user_metadata'][field]['#extra#']
try:
return _data['user_metadata'][field]['#extra#']
except:
return default
raise AttributeError(
'Metadata object has no attribute named: '+ repr(field))

36
src/calibre/library/database2.py
View File

@ -1690,8 +1690,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
self.notify('metadata', [id])
return books_to_refresh
def set_metadata(self, id, mi, ignore_errors=False,
set_title=True, set_authors=True, commit=True):
def set_metadata(self, id, mi, ignore_errors=False, set_title=True,
set_authors=True, commit=True, force_changes=False):
'''
Set metadata for the book `id` from the `Metadata` object `mi`
'''
@ -1707,6 +1707,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
traceback.print_exc()
else:
raise
# force_changes has no role to play in setting title or author
path_changed = False
if set_title and mi.title:
self._set_title(id, mi.title)
@ -1721,16 +1722,18 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
path_changed = True
if path_changed:
self.set_path(id, index_is_id=True)
if mi.author_sort:
if force_changes or mi.author_sort:
doit(self.set_author_sort, id, mi.author_sort, notify=False,
commit=False)
if mi.publisher:
if force_changes or mi.publisher:
doit(self.set_publisher, id, mi.publisher, notify=False,
commit=False)
if mi.rating:
if force_changes or mi.rating:
doit(self.set_rating, id, mi.rating, notify=False, commit=False)
if mi.series:
if force_changes or mi.series:
doit(self.set_series, id, mi.series, notify=False, commit=False)
if mi.cover_data[1] is not None:
doit(self.set_cover, id, mi.cover_data[1], commit=False)
elif mi.cover is not None:
@ -1739,13 +1742,18 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
raw = f.read()
if raw:
doit(self.set_cover, id, raw, commit=False)
if mi.tags:
elif force_changes:
doit(self.remove_cover, id, notify=False, commit=False)
if force_changes or mi.tags:
doit(self.set_tags, id, mi.tags, notify=False, commit=False)
if mi.comments:
if force_changes or mi.comments:
doit(self.set_comment, id, mi.comments, notify=False, commit=False)
if mi.series_index:
if force_changes or mi.series_index:
doit(self.set_series_index, id, mi.series_index, notify=False,
commit=False)
# force_changes would have no effect on the next two.
if mi.pubdate:
doit(self.set_pubdate, id, mi.pubdate, notify=False, commit=False)
if getattr(mi, 'timestamp', None) is not None:
@ -1756,7 +1764,7 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
if mi_idents:
identifiers = self.get_identifiers(id, index_is_id=True)
for key, val in mi_idents.iteritems():
if val and val.strip(): # Don't delete an existing identifier
if force_changes or (val and val.strip()):
identifiers[icu_lower(key)] = val
self.set_identifiers(id, identifiers, notify=False, commit=False)
@ -1765,10 +1773,10 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
for key in user_mi.iterkeys():
if key in self.field_metadata and \
user_mi[key]['datatype'] == self.field_metadata[key]['datatype']:
doit(self.set_custom, id,
val=mi.get(key),
extra=mi.get_extra(key),
label=user_mi[key]['label'], commit=False)
val = mi.get(key, None)
if force_changes or val:
doit(self.set_custom, id, val=val, extra=mi.get_extra(key),
label=user_mi[key]['label'], commit=False)
if commit:
self.conn.commit()
self.notify('metadata', [id])