def get_database(self, name):
"""
Finds the database in this instance with the specified name, and
returns a CloudDatabaseDatabase object. If no match is found, a
NoSuchDatabase exception is raised.
"""
try:
return [db for db in self.list_databases() if db.name == name][0]
except IndexError:
raise exc.NoSuchDatabase("No database by the name '%s' exists." %
name)
def _get_db_names(self, dbs, strict=True):
"""
Accepts a single db (name or object) or a list of dbs, and returns a
list of database names. If any of the supplied dbs do not exist, a
NoSuchDatabase exception will be raised, unless you pass strict=False.
"""
dbs = utils.coerce_string_to_list(dbs)
db_names = [utils.get_name(db) for db in dbs]
if strict:
good_dbs = self.instance.list_databases()
good_names = [utils.get_name(good_db) for good_db in good_dbs]
bad_names = [db_name for db_name in db_names
if db_name not in good_names]
if bad_names:
bad = ", ".join(bad_names)
raise exc.NoSuchDatabase("The following database(s) were not "
"found: %s" % bad)
return db_names
