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Diffstat (limited to 'src/leap/soledad/__init__.py')
-rw-r--r-- | src/leap/soledad/__init__.py | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/leap/soledad/__init__.py b/src/leap/soledad/__init__.py new file mode 100644 index 00000000..3d685635 --- /dev/null +++ b/src/leap/soledad/__init__.py @@ -0,0 +1,164 @@ +# License? + +"""A U1DB implementation that uses OpenStack Swift as its persistence layer.""" + +try: + import simplejson as json +except ImportError: + import json # noqa + +from u1db.backends import CommonBackend, CommonSyncTarget +from u1db import ( + Document, + errors, + query_parser, + vectorclock, + ) + +from swiftclient import client + + +class OpenStackDatabase(CommonBackend): + """A U1DB implementation that uses OpenStack as its persistence layer.""" + + def __init__(self, auth_url, user, auth_key): + """Create a new OpenStack data container.""" + self._auth_url = auth_url + self._user = user + self._auth_key = auth_key + self.set_document_factory(LeapDocument) + self._connection = swiftclient.Connection(self._auth_url, self._user, + self._auth_key) + + #------------------------------------------------------------------------- + # implemented methods from Database + #------------------------------------------------------------------------- + + def set_document_factory(self, factory): + self._factory = factory + + def set_document_size_limit(self, limit): + raise NotImplementedError(self.set_document_size_limit) + + def whats_changed(self, old_generation=0): + raise NotImplementedError(self.whats_changed) + + def get_doc(self, doc_id, include_deleted=False): + raise NotImplementedError(self.get_doc) + + def get_all_docs(self, include_deleted=False): + """Get all documents from the database.""" + raise NotImplementedError(self.get_all_docs) + + def put_doc(self, doc): + raise NotImplementedError(self.put_doc) + + def delete_doc(self, doc): + raise NotImplementedError(self.delete_doc) + + # start of index-related methods: these are not supported by this backend. + + def create_index(self, index_name, *index_expressions): + return False + + def delete_index(self, index_name): + return False + + def list_indexes(self): + return [] + + def get_from_index(self, index_name, *key_values): + return [] + + def get_range_from_index(self, index_name, start_value=None, + end_value=None): + return [] + + def get_index_keys(self, index_name): + return [] + + # end of index-related methods: these are not supported by this backend. + + def get_doc_conflicts(self, doc_id): + return [] + + def resolve_doc(self, doc, conflicted_doc_revs): + raise NotImplementedError(self.resolve_doc) + + def get_sync_target(self): + return OpenStackSyncTarget(self) + + def close(self): + raise NotImplementedError(self.close) + + def sync(self, url, creds=None, autocreate=True): + raise NotImplementedError(self.close) + + def _get_replica_gen_and_trans_id(self, other_replica_uid): + raise NotImplementedError(self._get_replica_gen_and_trans_id) + + def _set_replica_gen_and_trans_id(self, other_replica_uid, + other_generation, other_transaction_id): + raise NotImplementedError(self._set_replica_gen_and_trans_id) + + #------------------------------------------------------------------------- + # implemented methods from CommonBackend + #------------------------------------------------------------------------- + + def _get_generation(self): + raise NotImplementedError(self._get_generation) + + def _get_generation_info(self): + raise NotImplementedError(self._get_generation_info) + + def _get_doc(self, doc_id, check_for_conflicts=False): + """Get just the document content, without fancy handling.""" + raise NotImplementedError(self._get_doc) + + def _has_conflicts(self, doc_id): + raise NotImplementedError(self._has_conflicts) + + def _get_transaction_log(self): + raise NotImplementedError(self._get_transaction_log) + + def _put_and_update_indexes(self, doc_id, old_doc, new_rev, content): + raise NotImplementedError(self._put_and_update_indexes) + + + def _get_trans_id_for_gen(self, generation): + raise NotImplementedError(self._get_trans_id_for_gen) + + #------------------------------------------------------------------------- + # OpenStack specific methods + #------------------------------------------------------------------------- + + def _is_initialized(self, c): + raise NotImplementedError(self._is_initialized) + + def _initialize(self, c): + raise NotImplementedError(self._initialize) + + def _get_auth(self): + self._url, self._auth_token = self._connection.get_auth(self._auth_url, + self._user, + self._auth_key) + return self._url, self.auth_token + + +class LeapDocument(Document): + + def get_content_encrypted(self): + raise NotImplementedError(self.get_content_encrypted) + + def set_content_encrypted(self): + raise NotImplementedError(self.set_content_encrypted) + + +class OpenStackSyncTarget(CommonSyncTarget): + + def get_sync_info(self, source_replica_uid): + raise NotImplementedError(self.get_sync_info) + + def record_sync_info(self, source_replica_uid, source_replica_generation, + source_replica_transaction_id): + raise NotImplementedError(self.record_sync_info) |