From 22eec36ff81ae2ec2b924087ed6253894b92278a Mon Sep 17 00:00:00 2001
From: "Kali Kaneko (leap communications)" <kali@leap.se>
Date: Tue, 30 Aug 2016 10:53:32 -0400
Subject: [pkg] initial migration of bitmask.{core,cli}

---
 src/leap/bitmask/core/api.py | 54 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/leap/bitmask/core/api.py

(limited to 'src/leap/bitmask/core/api.py')

diff --git a/src/leap/bitmask/core/api.py b/src/leap/bitmask/core/api.py
new file mode 100644
index 00000000..9f3725dc
--- /dev/null
+++ b/src/leap/bitmask/core/api.py
@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+# api.py
+# Copyright (C) 2016 LEAP Encryption Acess Project
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Registry for the public API for the Bitmask Backend.
+"""
+from collections import OrderedDict
+
+registry = OrderedDict()
+
+
+class APICommand(type):
+    """
+    A metaclass to keep a global registry of all the methods that compose the
+    public API for the Bitmask Backend.
+    """
+    def __init__(cls, name, bases, attrs):
+        for key, val in attrs.iteritems():
+            properties = getattr(val, 'register', None)
+            label = getattr(cls, 'label', None)
+            if label:
+                name = label
+            if properties is not None:
+                registry['%s.%s' % (name, key)] = properties
+
+
+def register_method(*args):
+    """
+    This method gathers info about all the methods that are supposed to
+    compose the public API to communicate with the backend.
+
+    It sets up a register property for any method that uses it.
+    A type annotation is supposed to be in this property.
+    The APICommand metaclass collects these properties of the methods and
+    stores them in the global api_registry object, where they can be
+    introspected at runtime.
+    """
+    def decorator(f):
+        f.register = tuple(args)
+        return f
+    return decorator
-- 
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