def remove(self):
""" Removes this object from the database. It will still remain in memory, however, and can be resaved at a later time provided that the original reference is maintained."""
storage = Storage()
database = self._database
collection = self._collection
if database is None or collection is None:
raise ValueError, "The object needs to be assigned a database and a collection."
storage.getDatabase(database)
storage.getCollection(collection)
documents = storage.removeDocuments({"_id":self._id})
def getObjectsByKey(self, key, value, limit=None):
""" This will retrieve documents from the database and collection specified by this object based on one of their keys and convert them to their proper Python object state.
:param key: The key to select on.
:param value: The value to search for.
:param limit: The maximum amount of objects to return. Will return all results by default.
:rtype: All the matching objects stored in the database.
"""
storage = Storage()
database = self._database
collection = self._collection
if database is None or collection is None:
raise ValueError, "The object needs to be assigned a database and a collection."
storage.getDatabase(database)
storage.getCollection(collection)
documents = storage.getDocuments({key:value}, limit)
objects = [ self.loadFromRawData( data ) for data in documents ]
return objects
def save(self):
"""Save this object into the database with all its public attributes."""
# Can't save without a database or a table
if self._database is None:
raise ValueError, "No database has been selected."
if self._collection is None:
raise ValueError, "No collection has been selected."
# Check private variables. We probably shouldn't store these.
document = {}
for key, value in self.__dict__.items():
key = key.replace("_"+self._type, "")
if key.startswith("__"):
continue
document[key] = value
# Let's store this object
storage = Storage()
storage.getDatabase(self._database)
storage.getCollection(self._collection)
storage.insertDocuments(document)
self._id = document["_id"]