py: added doc, unittests, anonymous encryption mode

bindings/py/pypcp/stream.py

@@ -1,7 +1,31 @@
+#
+#    This file is part of Pretty Curved Privacy (pcp1).
+#
+#    Copyright (C) 2013-2015 T. von Dein.
+#
+#    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/>.
+#
+#    You can contact me by mail: <tlinden AT cpan DOT org>.
+#
+
 from pypcp.dll import *
 
 
 class Stream(object):
+    """
+    libpcp Stream object, used by pypcp to interact with libpcp.
+    """
     def __init__(self, backend=None):
         if type(backend) is file:
             fd = open(backend, 'r')
@@ -17,6 +41,9 @@ class Stream(object):
 
 
 class Buffer(object):
+    """
+    libpcp Buffer object, used by pypcp to interact with libpcp.
+    """
     def __init__(self, string=None):
         if string:
             self._buffer = libpcp.buffer_new_buf('pybuf', string, len(string))