From a1ca18c131d37235f0bc125c55ca0dfb271f16a7 Mon Sep 17 00:00:00 2001 From: drebs Date: Thu, 29 Nov 2012 10:56:06 -0200 Subject: organize methods for openstack backend --- __init__.py | 172 ++++++++++++++++++++++++++++++------------------------------ 1 file changed, 86 insertions(+), 86 deletions(-) (limited to '__init__.py') diff --git a/__init__.py b/__init__.py index b4284c84..3d685635 100644 --- a/__init__.py +++ b/__init__.py @@ -2,15 +2,10 @@ """A U1DB implementation that uses OpenStack Swift as its persistence layer.""" -import errno -import os try: import simplejson as json except ImportError: import json # noqa -import sys -import time -import uuid from u1db.backends import CommonBackend, CommonSyncTarget from u1db import ( @@ -20,73 +15,33 @@ from u1db import ( vectorclock, ) +from swiftclient import client + class OpenStackDatabase(CommonBackend): """A U1DB implementation that uses OpenStack as its persistence layer.""" - def __init__(self, sqlite_file, document_factory=None): + def __init__(self, auth_url, user, auth_key): """Create a new OpenStack data container.""" - raise NotImplementedError(self.__init__) + 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 get_sync_target(self): - return OpenStackSyncTarget(self) - - @classmethod - def open_database(cls, sqlite_file, create, backend_cls=None, - document_factory=None): - raise NotImplementedError(open_database) - - @staticmethod - def delete_database(sqlite_file): - raise NotImplementedError(delete_database) - - - def close(self): - raise NotImplementedError(self.close) - - def _is_initialized(self, c): - raise NotImplementedError(self._is_initialized) - - def _initialize(self, c): - raise NotImplementedError(self._initialize) - - def _ensure_schema(self): - raise NotImplementedError(self._ensure_schema) - - def _set_replica_uid(self, replica_uid): - """Force the replica_uid to be set.""" - raise NotImplementedError(self._set_replica_uid) - - def _set_replica_uid_in_transaction(self, replica_uid): - """Set the replica_uid. A transaction should already be held.""" - raise NotImplementedError(self._set_replica_uid_in_transaction) - - def _get_replica_uid(self): - raise NotImplementedError(self._get_replica_uid) - - _replica_uid = property(_get_replica_uid) + def set_document_size_limit(self, limit): + raise NotImplementedError(self.set_document_size_limit) - def _get_generation(self): - raise NotImplementedError(self._get_generation) - - def _get_generation_info(self): - raise NotImplementedError(self._get_generation_info) - - def _get_trans_id_for_gen(self, generation): - raise NotImplementedError(self._get_trans_id_for_gen) - - def _get_transaction_log(self): - raise NotImplementedError(self._get_transaction_log) - - 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 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) @@ -98,18 +53,47 @@ class OpenStackDatabase(CommonBackend): def put_doc(self, doc): raise NotImplementedError(self.put_doc) - def whats_changed(self, old_generation=0): - raise NotImplementedError(self.whats_changed) - def delete_doc(self, doc): raise NotImplementedError(self.delete_doc) - def _get_conflicts(self, doc_id): + # 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) @@ -117,33 +101,49 @@ class OpenStackDatabase(CommonBackend): other_generation, other_transaction_id): raise NotImplementedError(self._set_replica_gen_and_trans_id) - def _do_set_replica_gen_and_trans_id(self, other_replica_uid, - other_generation, - other_transaction_id): - raise NotImplementedError(self._do_set_replica_gen_and_trans_id) + #------------------------------------------------------------------------- + # implemented methods from CommonBackend + #------------------------------------------------------------------------- - def _put_doc_if_newer(self, doc, save_conflict, replica_uid=None, - replica_gen=None, replica_trans_id=None): - raise NotImplementedError(self._put_doc_if_newer) + def _get_generation(self): + raise NotImplementedError(self._get_generation) - def resolve_doc(self, doc, conflicted_doc_revs): - raise NotImplementedError(self.resolve_doc) + def _get_generation_info(self): + raise NotImplementedError(self._get_generation_info) - def list_indexes(self): - return [] + def _get_doc(self, doc_id, check_for_conflicts=False): + """Get just the document content, without fancy handling.""" + raise NotImplementedError(self._get_doc) - def get_from_index(self, index_name, *key_values): - return [] + def _has_conflicts(self, doc_id): + raise NotImplementedError(self._has_conflicts) - def get_range_from_index(self, index_name, start_value=None, - end_value=None): - return [] + def _get_transaction_log(self): + raise NotImplementedError(self._get_transaction_log) - def get_index_keys(self, index_name): - return [] + 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 - def delete_index(self, index_name): - return False class LeapDocument(Document): -- cgit v1.2.3