added docstrings

1 files changed, 6 insertions, 0 deletions

diff --git a/wsgitools/middlewares.py b/wsgitools/middlewares.py
index 17afd76..5ff610f 100644
--- a/wsgitools/middlewares.py
+++ b/wsgitools/middlewares.py
@@ -11,10 +11,12 @@ except ImportError:
 
 __all__.append("SubdirMiddleware")
 class SubdirMiddleware:
+    """Middleware choosing wsgi applications based on a dict."""
     def __init__(self, default, mapping={}):
         self.default = default
         self.mapping = mapping
     def __call__(self, environ, start_response):
+        """wsgi interface"""
         app = None
         script = environ["PATH_INFO"]
         path_info = ""
@@ -219,9 +221,13 @@ class CachingMiddleware:
 
 __all__.append("DictAuthChecker")
 class DictAuthChecker:
+    """Verifies usernames and passwords by looking them up in a dict."""
     def __init__(self, users):
+        """users is a dict mapping usernames to password."""
         self.users = users
     def __call__(self, username, password):
+        """check_function interface taking username and password and resulting
+        in a bool."""
         return username in self.users and self.users[username] == password
 
 __all__.append("BasicAuthMiddleware")