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Start work on legacy custom column API

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Kovid Goyal 2013-07-16 22:19:58 +05:30
parent 70f338b047
commit 62d1dfbeef
3 changed files with 22 additions and 3 deletions
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7
src/calibre/db/backend.py
View File

@ -549,6 +549,7 @@ class DB(object):
# Load metadata for custom columns
self.custom_column_label_map, self.custom_column_num_map = {}, {}
self.custom_column_num_to_label_map = {}
triggers = []
remove = []
custom_tables = self.custom_tables
@ -586,6 +587,7 @@ class DB(object):
self.custom_column_num_map[data['num']] = \
self.custom_column_label_map[data['label']] = data
self.custom_column_num_to_label_map[data['num']] = data['label']
# Create Foreign Key triggers
if data['normalized']:
@ -785,6 +787,11 @@ class DB(object):
self._conn = Connection(self.dbpath)
return self._conn
def custom_field_name(self, label=None, num=None):
if label is not None:
return self.field_metadata.custom_field_prefix + label
return self.field_metadata.custom_field_prefix + self.custom_column_num_to_label_map[num]
def close(self):
if self._conn is not None:
self._conn.close()

4
src/calibre/db/legacy.py
View File

@ -70,6 +70,7 @@ class LibraryDatabase(object):
setattr(self, x, getattr(self.data, x))
self.is_case_sensitive = getattr(backend, 'is_case_sensitive', False)
self.custom_field_name = backend.custom_field_name
self.last_update_check = self.last_modified()
@ -637,7 +638,8 @@ for field in ('authors', 'tags', 'publisher', 'series'):
return func
name = field[:-1] if field in {'authors', 'tags'} else field
setattr(LibraryDatabase, 'all_%s_names' % name, MT(getter(field)))
LibraryDatabase.all_formats = MT(lambda self:self.new_api.all_field_names('formats'))
LibraryDatabase.all_formats = MT(lambda self:self.new_api.all_field_names('formats'))
LibraryDatabase.all_custom = MT(lambda self, label=None, num=None:self.new_api.all_field_names(self.custom_field_name(label, num)))
for func, field in {'all_authors':'authors', 'all_titles':'title', 'all_tags2':'tags', 'all_series':'series', 'all_publishers':'publisher'}.iteritems():
def getter(field):

14
src/calibre/db/tests/legacy.py
View File

@ -604,7 +604,17 @@ class LegacyTest(BaseTest):
))
db.close()
# }}}
def test_legacy_custom(self): # {{{
'Test the legacy API for custom columns'
ndb = self.init_legacy(self.cloned_library)
db = self.init_old(self.cloned_library)
run_funcs(self, db, ndb, (
('all_custom', 'series'),
('all_custom', 'tags'),
('all_custom', 'rating'),
('all_custom', 'authors'),
))
# }}}