many pep8 improvements

gluon/contrib/pam.py

@@ -24,7 +24,7 @@ CALLOC.argtypes = [c_uint, c_uint]
 
 STRDUP = LIBC.strdup
 STRDUP.argstypes = [c_char_p]
-STRDUP.restype = POINTER(c_char) # NOT c_char_p !!!!
+STRDUP.restype = POINTER(c_char)  # NOT c_char_p !!!!
 
 # Various constants
 PAM_PROMPT_ECHO_OFF = 1
@@ -32,56 +32,61 @@ PAM_PROMPT_ECHO_ON = 2
 PAM_ERROR_MSG = 3
 PAM_TEXT_INFO = 4
 
+
 class PamHandle(Structure):
     """wrapper class for pam_handle_t"""
     _fields_ = [
-            ("handle", c_void_p)
-            ]
+        ("handle", c_void_p)
+    ]
 
     def __init__(self):
         Structure.__init__(self)
         self.handle = 0
 
+
 class PamMessage(Structure):
     """wrapper class for pam_message structure"""
     _fields_ = [
-            ("msg_style", c_int),
-            ("msg", c_char_p),
-            ]
+        ("msg_style", c_int),
+        ("msg", c_char_p),
+    ]
 
     def __repr__(self):
         return "<PamMessage %i '%s'>" % (self.msg_style, self.msg)
 
+
 class PamResponse(Structure):
     """wrapper class for pam_response structure"""
     _fields_ = [
-            ("resp", c_char_p),
-            ("resp_retcode", c_int),
-            ]
+        ("resp", c_char_p),
+        ("resp_retcode", c_int),
+    ]
 
     def __repr__(self):
         return "<PamResponse %i '%s'>" % (self.resp_retcode, self.resp)
 
 CONV_FUNC = CFUNCTYPE(c_int,
-        c_int, POINTER(POINTER(PamMessage)),
-               POINTER(POINTER(PamResponse)), c_void_p)
+                      c_int, POINTER(POINTER(PamMessage)),
+                      POINTER(POINTER(PamResponse)), c_void_p)
+
 
 class PamConv(Structure):
     """wrapper class for pam_conv structure"""
     _fields_ = [
-            ("conv", CONV_FUNC),
-            ("appdata_ptr", c_void_p)
-            ]
+        ("conv", CONV_FUNC),
+        ("appdata_ptr", c_void_p)
+    ]
 
 PAM_START = LIBPAM.pam_start
 PAM_START.restype = c_int
 PAM_START.argtypes = [c_char_p, c_char_p, POINTER(PamConv),
-        POINTER(PamHandle)]
+                      POINTER(PamHandle)]
 
 PAM_AUTHENTICATE = LIBPAM.pam_authenticate
 PAM_AUTHENTICATE.restype = c_int
 PAM_AUTHENTICATE.argtypes = [PamHandle, c_int]
 
+
 def authenticate(username, password, service='login'):
     """Returns True if the given username and password authenticate for the
     given service.  Returns False otherwise