Fixed bug in plugin.get_plugins(), edited docstrings

src/plugins/__init__.py

@@ -0,0 +1,7 @@
+"""
+Simple plugin system based on setuptools
+----------------------------------------
+
+
+"""
+# .. include:: pybitmessage.plugins.plugin.rst

src/plugins/plugin.py

@@ -1,19 +1,28 @@
 # -*- coding: utf-8 -*-
 """
-src/plugins/plugin.py
-===================================
+Operating with plugins
 """
+import logging
+
 import pkg_resources
 
 
+logger = logging.getLogger('default')
+
+
 def get_plugins(group, point='', name=None, fallback=None):
     """
-    Iterate through plugins (`connect_plugin` attribute of entry point)
-    which name starts with `point` or equals to `name`.
-    If `fallback` kwarg specified, plugin with that name yield last.
+    :param str group: plugin group
+    :param str point: plugin name prefix
+    :param name: exact plugin name
+    :param fallback: fallback plugin name
+
+    Iterate through plugins (``connect_plugin`` attribute of entry point)
+    which name starts with ``point`` or equals to ``name``.
+    If ``fallback`` kwarg specified, plugin with that name yield last.
     """
     for ep in pkg_resources.iter_entry_points('bitmessage.' + group):
-        if name and ep.name == name or ep.name.startswith(point):
+        if name and ep.name == name or not point or ep.name.startswith(point):
             try:
                 plugin = ep.load().connect_plugin
                 if ep.name == fallback:
@@ -25,6 +34,8 @@ def get_plugins(group, point='', name=None, fallback=None):
                     ValueError,
                     pkg_resources.DistributionNotFound,
                     pkg_resources.UnknownExtra):
+                logger.debug(
+                    'Problem while loading %s', ep.name, exc_info=True)
                 continue
     try:
         yield _fallback
@@ -33,6 +44,8 @@ def get_plugins(group, point='', name=None, fallback=None):
 
 
 def get_plugin(*args, **kwargs):
-    """Returns first available plugin `from get_plugins()` if any."""
+    """
+    :return: first available plugin from :func:`get_plugins` if any.
+    """
     for plugin in get_plugins(*args, **kwargs):
         return plugin