add u1db openstack backend base files

1 files changed, 164 insertions, 0 deletions

diff --git a/__init__.py b/__init__.py
new file mode 100644
index 00000000..b4284c84
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,164 @@
+# License?
+
+"""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 (
+    Document,
+    errors,
+    query_parser,
+    vectorclock,
+    )
+
+
+class OpenStackDatabase(CommonBackend):
+    """A U1DB implementation that uses OpenStack as its persistence layer."""
+
+    def __init__(self, sqlite_file, document_factory=None):
+        """Create a new OpenStack data container."""
+        raise NotImplementedError(self.__init__)
+
+    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 _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 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 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):
+        return []
+
+    def get_doc_conflicts(self, doc_id):
+        return []
+
+    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)
+
+    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)
+
+    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 resolve_doc(self, doc, conflicted_doc_revs):
+        raise NotImplementedError(self.resolve_doc)
+
+    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 []
+
+    def delete_index(self, index_name):
+        return False
+
+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)