Fix some pylint reported warnings

.pylintrc

@@ -3,7 +3,9 @@ persistent=yes
 
 [MESSAGES CONTROL]
 # C0111 = Missing docstring 
-disable=
+# I0011 =  # Warning locally suppressed using disable-msg
+# I0012 =  # Warning locally suppressed using disable-msg
+disable=I0011,I0012
 
 [REPORTS]
 output-format=parseable
@@ -56,6 +58,6 @@ max-branchs=12
 max-statements=50
 max-parents=7
 max-attributes=7
-min-public-methods=2
+min-public-methods=0
 max-public-methods=20
 

django_fsm/db/fields/fsmfield.py

@@ -1,35 +1,58 @@
 # -*- coding: utf-8 -*-
+"""
+State tracking functionality for django models
+"""
 from collections import defaultdict
 from functools import wraps
 from django.db import models
 
 class FSMMeta(object):
+    """
+    Models methods transitions meta information
+    """
     def __init__(self):
         self.transitions = defaultdict()
-
-    def get_state_field(self, instance):
+
+    @staticmethod
+    def _get_state_field(instance):
+        """
+        Lookup for FSMField in django model instance
+        """
         fields = [field for field in instance._meta.fields if isinstance(field, FSMField)]
         found = len(fields)
         if found == 0:
             raise TypeError("No FSMField found in model")
         elif found > 1:
             raise TypeError("More than one FSMField found in model, please specify field name in transition decorator")
         return fields[0]
-
-    def current_state(self, instance):
-        field_name = self.get_state_field(instance).name
+
+    @staticmethod
+    def current_state(instance):
+        """
+        Return current state of Django model
+        """
+        field_name = FSMMeta._get_state_field(instance).name
         return getattr(instance, field_name)
 
     def has_transition(self, instance):
-        return self.transitions.has_key(self.current_state(instance))
+        """
+        Lookup is any transition exists from current model state
+        """
+        return self.transitions.has_key(FSMMeta.current_state(instance))
 
     def to_next_state(self, instance):
-        field_name = self.get_state_field(instance).name
+        """
+        Switch to next state
+        """
+        field_name = FSMMeta._get_state_field(instance).name
         curr_state = getattr(instance, field_name)
         setattr(instance, field_name, self.transitions[curr_state])
 
 
 def transition(source='*', target=None, save=False):
+    """
+    Method decorator for mark allowed transition
+    """
     def inner_transition(func):
         if not hasattr(func, '_django_fsm'):
             setattr(func, '_django_fsm', FSMMeta())
@@ -40,7 +63,7 @@ def inner_transition(func):
         def _change_state(instance, *args, **kwargs):            
             meta = func._django_fsm
             if not meta.has_transition(instance):
-                raise NotImplementedError("Can't switch from state '%s' using method '%s'" % (meta.current_state(instance), func.func_name))
+                raise NotImplementedError("Can't switch from state '%s' using method '%s'" % (FSMMeta.current_state(instance), func.func_name))
 
             func(instance, *args, **kwargs)