Merge remote-tracking branch 'refs/remotes/kali/feature/memoize-calls' into develop

3 files changed, 26 insertions, 22 deletions

diff --git a/src/leap/keymanager/__init__.py b/src/leap/keymanager/__init__.py
index 6cfbf710..5b1d8d96 100644
--- a/src/leap/keymanager/__init__.py
+++ b/src/leap/keymanager/__init__.py
@@ -46,6 +46,7 @@ import requests
 from leap.common.check import leap_assert, leap_assert_type
 from leap.common.events import signal
 from leap.common.events import events_pb2 as proto
+from leap.common.decorators import memoized_method
 
 from leap.keymanager.errors import KeyNotFound
 
@@ -250,6 +251,7 @@ class KeyManager(object):
         self._put(uri, data)
         signal(proto.KEYMANAGER_DONE_UPLOADING_KEYS, self._address)
 
+    @memoized_method
     def get_key(self, address, ktype, private=False, fetch_remote=True):
         """
         Return a key of type C{ktype} bound to C{address}.
@@ -266,9 +268,10 @@ class KeyManager(object):
 
         :return: A key of type C{ktype} bound to C{address}.
         :rtype: EncryptionKey
-        @raise KeyNotFound: If the key was not found both locally and in
-            keyserver.
+        :raise KeyNotFound: If the key was not found both locally and in
+                            keyserver.
         """
+        logger.debug("getting key for %s" % (address,))
         leap_assert(
             ktype in self._wrapper_map,
             'Unkown key type: %s.' % str(ktype))
diff --git a/src/leap/keymanager/_version.py b/src/leap/keymanager/_version.py
index 3a514e14..28fca968 100644
--- a/src/leap/keymanager/_version.py
+++ b/src/leap/keymanager/_version.py
@@ -17,6 +17,7 @@ git_full = "$Format:%H$"
 import subprocess
 import sys
 
+
 def run_command(args, cwd=None, verbose=False):
     try:
         # remember shell=False, so use git.cmd on windows, not just git
@@ -37,10 +38,10 @@ def run_command(args, cwd=None, verbose=False):
     return stdout
 
 
-import sys
 import re
 import os.path
 
+
 def get_expanded_variables(versionfile_source):
     # the code embedded in _version.py can just fetch the value of these
     # variables. When used from setup.py, we don't want to import
@@ -48,7 +49,7 @@ def get_expanded_variables(versionfile_source):
     # used from _version.py.
     variables = {}
     try:
-        f = open(versionfile_source,"r")
+        f = open(versionfile_source, "r")
         for line in f.readlines():
             if line.strip().startswith("git_refnames ="):
                 mo = re.search(r'=\s*"(.*)"', line)
@@ -63,12 +64,13 @@ def get_expanded_variables(versionfile_source):
         pass
     return variables
 
+
 def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
     refnames = variables["refnames"].strip()
     if refnames.startswith("$Format"):
         if verbose:
             print("variables are unexpanded, not using")
-        return {} # unexpanded, so not in an unpacked git-archive tarball
+        return {}  # unexpanded, so not in an unpacked git-archive tarball
     refs = set([r.strip() for r in refnames.strip("()").split(",")])
     # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
     # just "foo-1.0". If we see a "tag: " prefix, prefer those.
@@ -93,13 +95,14 @@ def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
             r = ref[len(tag_prefix):]
             if verbose:
                 print("picking %s" % r)
-            return { "version": r,
-                     "full": variables["full"].strip() }
+            return {"version": r,
+                    "full": variables["full"].strip()}
     # no suitable tags, so we use the full revision id
     if verbose:
         print("no suitable tags, using full revision id")
-    return { "version": variables["full"].strip(),
-             "full": variables["full"].strip() }
+    return {"version": variables["full"].strip(),
+            "full": variables["full"].strip()}
+
 
 def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
     # this runs 'git' from the root of the source tree. That either means
@@ -116,7 +119,7 @@ def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
         here = os.path.abspath(__file__)
     except NameError:
         # some py2exe/bbfreeze/non-CPython implementations don't do __file__
-        return {} # not always correct
+        return {}  # not always correct
 
     # versionfile_source is the relative path from the top of the source tree
     # (where the .git directory might live) to this file. Invert this to find
@@ -141,7 +144,8 @@ def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
         return {}
     if not stdout.startswith(tag_prefix):
         if verbose:
-            print("tag '%s' doesn't start with prefix '%s'" % (stdout, tag_prefix))
+            print("tag '%s' doesn't start with prefix '%s'" %
+                  (stdout, tag_prefix))
         return {}
     tag = stdout[len(tag_prefix):]
     stdout = run_command([GIT, "rev-parse", "HEAD"], cwd=root)
@@ -153,7 +157,8 @@ def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
     return {"version": tag, "full": full}
 
 
-def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False):
+def versions_from_parentdir(parentdir_prefix, versionfile_source,
+                            verbose=False):
     if IN_LONG_VERSION_PY:
         # We're running from _version.py. If it's from a source tree
         # (execute-in-place), we can work upwards to find the root of the
@@ -163,7 +168,7 @@ def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False)
             here = os.path.abspath(__file__)
         except NameError:
             # py2exe/bbfreeze/non-CPython don't have __file__
-            return {} # without __file__, we have no hope
+            return {}  # without __file__, we have no hope
         # versionfile_source is the relative path from the top of the source
         # tree to _version.py. Invert this to find the root from __file__.
         root = here
@@ -180,7 +185,8 @@ def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False)
     dirname = os.path.basename(root)
     if not dirname.startswith(parentdir_prefix):
         if verbose:
-            print("guessing rootdir is '%s', but '%s' doesn't start with prefix '%s'" %
+            print("guessing rootdir is '%s', but '%s' doesn't start "
+                  "with prefix '%s'" %
                   (root, dirname, parentdir_prefix))
         return None
     return {"version": dirname[len(parentdir_prefix):], "full": ""}
@@ -189,8 +195,9 @@ tag_prefix = ""
 parentdir_prefix = "leap.keymanager-"
 versionfile_source = "src/leap/keymanager/_version.py"
 
+
 def get_versions(default={"version": "unknown", "full": ""}, verbose=False):
-    variables = { "refnames": git_refnames, "full": git_full }
+    variables = {"refnames": git_refnames, "full": git_full}
     ver = versions_from_expanded_variables(variables, tag_prefix, verbose)
     if not ver:
         ver = versions_from_vcs(tag_prefix, versionfile_source, verbose)
@@ -200,4 +207,3 @@ def get_versions(default={"version": "unknown", "full": ""}, verbose=False):
     if not ver:
         ver = default
     return ver
-
diff --git a/src/leap/keymanager/openpgp.py b/src/leap/keymanager/openpgp.py
index 856b21e4..4276b19f 100644
--- a/src/leap/keymanager/openpgp.py
+++ b/src/leap/keymanager/openpgp.py
@@ -14,13 +14,9 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
 """
 Infrastructure for using OpenPGP keys in Key Manager.
 """
-
-
 import locale
 import logging
 import os
@@ -298,7 +294,7 @@ class OpenPGPScheme(EncryptionScheme):
         @raise KeyNotFound: If the key was not found on local storage.
         """
         # Remove the identity suffix after the '+' until the '@'
-        # e.g.: test_user+something@provider.com becomes test_user@probider.com
+        # e.g.: test_user+something@provider.com becomes test_user@provider.com
         # since the key belongs to the identity without the '+' suffix.
         address = re.sub(r'\+.*\@', '@', address)
 
@@ -581,7 +577,6 @@ class OpenPGPScheme(EncryptionScheme):
                 logger.error('Failed to decrypt: %s.' % str(e))
                 raise errors.DecryptError(str(e))
 
-
     def is_encrypted(self, data):
         """
         Return whether C{data} was asymmetrically encrypted using OpenPGP.