Split leap infrastructure and openstack backend in different files.

1 files changed, 2 insertions, 254 deletions

diff --git a/__init__.py b/__init__.py
index 5174d818..6ba64a61 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,257 +2,5 @@
 
 """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 u1db.remote.http_target import HTTPSyncTarget
-
-from swiftclient import client
-import base64
-
-
-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 __init__(self, doc_id=None, rev=None, json='{}', has_conflicts=False,
-                 encrypted_json=None):
-        super(Document, self).__init__(doc_id, rev, json, has_conflicts)
-        if encrypted_json:
-            self.set_encrypted_json(encrypted_json)
-
-    def get_encrypted_json(self):
-        """
-        Returns document's json serialization encrypted with user's public key.
-        """
-        # TODO: replace for openpgp encryption with users's pub key.
-        return base64.b64encode(self.get_json())
-
-    def set_encrypted_json(self):
-        """
-        Set document's content based on encrypted version of json string.
-        """
-        # TODO:
-        #   - replace for openpgp decryption using user's priv key.
-        #   - raise error if unsuccessful.
-        return self.set_json(base64.b64decode(self.get_json()))
-
-
-class LeapSyncTarget(HTTPSyncTarget):
-
-    def _parse_sync_stream(self, data, return_doc_cb, ensure_callback=None):
-        parts = data.splitlines()  # one at a time
-        if not parts or parts[0] != '[':
-            raise BrokenSyncStream
-        data = parts[1:-1]
-        comma = False
-        if data:
-            line, comma = utils.check_and_strip_comma(data[0])
-            res = json.loads(line)
-            if ensure_callback and 'replica_uid' in res:
-                ensure_callback(res['replica_uid'])
-            for entry in data[1:]:
-                if not comma:  # missing in between comma
-                    raise BrokenSyncStream
-                line, comma = utils.check_and_strip_comma(entry)
-                entry = json.loads(line)
-                doc = LeapDocument(entry['id'], entry['rev'],
-                                   encrypted_json=entry['content'])
-                return_doc_cb(doc, entry['gen'], entry['trans_id'])
-        if parts[-1] != ']':
-            try:
-                partdic = json.loads(parts[-1])
-            except ValueError:
-                pass
-            else:
-                if isinstance(partdic, dict):
-                    self._error(partdic)
-            raise BrokenSyncStream
-        if not data or comma:  # no entries or bad extra comma
-            raise BrokenSyncStream
-        return res
-
-    def sync_exchange(self, docs_by_generations, source_replica_uid,
-                      last_known_generation, last_known_trans_id,
-                      return_doc_cb, ensure_callback=None):
-        self._ensure_connection()
-        if self._trace_hook:  # for tests
-            self._trace_hook('sync_exchange')
-        url = '%s/sync-from/%s' % (self._url.path, source_replica_uid)
-        self._conn.putrequest('POST', url)
-        self._conn.putheader('content-type', 'application/x-u1db-sync-stream')
-        for header_name, header_value in self._sign_request('POST', url, {}):
-            self._conn.putheader(header_name, header_value)
-        entries = ['[']
-        size = 1
-
-        def prepare(**dic):
-            entry = comma + '\r\n' + json.dumps(dic)
-            entries.append(entry)
-            return len(entry)
-
-        comma = ''
-        size += prepare(
-            last_known_generation=last_known_generation,
-            last_known_trans_id=last_known_trans_id,
-            ensure=ensure_callback is not None)
-        comma = ','
-        for doc, gen, trans_id in docs_by_generations:
-            size += prepare(id=doc.doc_id, rev=doc.rev,
-                            content=doc.get_encrypted_json(),
-                            gen=gen, trans_id=trans_id)
-        entries.append('\r\n]')
-        size += len(entries[-1])
-        self._conn.putheader('content-length', str(size))
-        self._conn.endheaders()
-        for entry in entries:
-            self._conn.send(entry)
-        entries = None
-        data, _ = self._response()
-        res = self._parse_sync_stream(data, return_doc_cb, ensure_callback)
-        data = None
-        return res['new_generation'], res['new_transaction_id']
-
-
-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)
+from leap import *
+from openstack import *