Fix some items from second review.

Items are:

  * remove unused imports.
  * __init__.py: initialize variable before read from file.
  * backends/leap_backend.py: Fix mistyped exception name, fix docstring of
    encryption function.

5 files changed, 9 insertions, 16 deletions

diff --git a/src/leap/soledad/__init__.py b/src/leap/soledad/__init__.py
index fb4c5520..2138e14e 100644
--- a/src/leap/soledad/__init__.py
+++ b/src/leap/soledad/__init__.py
@@ -264,7 +264,7 @@ class Soledad(object):
                     logger.info('Creating directory: %s.' % path)
                     os.makedirs(path)
                 else:
-                    logger.warning('Using existent directory: %s.' % path)
+                    logger.info('Using existent directory: %s.' % path)
             else:
                 raise NotADirectory(path)
 
@@ -325,7 +325,8 @@ class Soledad(object):
         # does the file exist in disk?
         if not os.path.isfile(self.secret_path):
             return False
-        # is it symmetrically encrypted?
+        # is it symfetrically encrypted?
+        content = None
         with open(self.secret_path, 'r') as f:
             content = f.read()
         if not self._crypto.is_encrypted_sym(content):
diff --git a/src/leap/soledad/backends/couch.py b/src/leap/soledad/backends/couch.py
index 4dcea3f8..360f3211 100644
--- a/src/leap/soledad/backends/couch.py
+++ b/src/leap/soledad/backends/couch.py
@@ -29,10 +29,7 @@ except ImportError:
 
 from base64 import b64encode, b64decode
 from u1db import errors
-from u1db.sync import (
-    LocalSyncTarget,
-    Synchronizer,
-)
+from u1db.sync import Synchronizer
 from u1db.backends.inmemory import InMemoryIndex
 from u1db.remote.server_state import ServerState
 from u1db.errors import DatabaseDoesNotExist
diff --git a/src/leap/soledad/backends/leap_backend.py b/src/leap/soledad/backends/leap_backend.py
index 1e9eb78f..46c787a9 100644
--- a/src/leap/soledad/backends/leap_backend.py
+++ b/src/leap/soledad/backends/leap_backend.py
@@ -21,7 +21,6 @@ A U1DB backend for encrypting data before sending to server and decrypting
 after receiving.
 """
 
-import uuid
 try:
     import simplejson as json
 except ImportError:
@@ -89,8 +88,9 @@ def encrypt_doc_json(crypto, doc_id, doc_json):
     The returned JSON string is the serialization of the following dictionary:
 
         {
-            ENC_JSON_KEY: encrypt_sym(doc_content),
-            '_encryption_scheme: 'symkey',
+            '_enc_json': encrypt_sym(doc_content),
+            '_enc_scheme': 'symkey',
+            '_mac': <mac> [Not implemented yet]
         }
 
     @param crypto: A SoledadCryto instance to perform the encryption.
@@ -160,7 +160,7 @@ def decrypt_doc_json(crypto, doc_id, doc_json):
             ciphertext,
             crypto.passphrase_hash(doc_id))
     else:
-        raise UnknownEncryptionScheme(enc_scheme)
+        raise UnknownEncryptionSchemes(enc_scheme)
     return plainjson
 
 
diff --git a/src/leap/soledad/backends/sqlcipher.py b/src/leap/soledad/backends/sqlcipher.py
index f840d809..f174f0a7 100644
--- a/src/leap/soledad/backends/sqlcipher.py
+++ b/src/leap/soledad/backends/sqlcipher.py
@@ -27,10 +27,7 @@ from pysqlcipher import dbapi2
 from u1db import (
     errors,
 )
-from leap.soledad.backends.leap_backend import (
-    LeapDocument,
-    EncryptionSchemes,
-)
+from leap.soledad.backends.leap_backend import LeapDocument
 
 
 # Monkey-patch u1db.backends.sqlite_backend with pysqlcipher.dbapi2
diff --git a/src/leap/soledad/shared_db.py b/src/leap/soledad/shared_db.py
index 06f40466..419d8017 100644
--- a/src/leap/soledad/shared_db.py
+++ b/src/leap/soledad/shared_db.py
@@ -26,8 +26,6 @@ except ImportError:
     import json  # noqa
 
 
-from u1db import errors
-
 from u1db.remote import http_database, http_client