[Python-projects] Pylint and Turbogears (SQLObject)

[Thomas W Barr]

When running pylint on a turbogears project, pylint can't find the  
class methods for automatic SQLObject methods. The general workaround  
for this is to ignore class method errors, but these can be very  
useful, and are not something one wants to disable lightly. I've made  
a patch for a tg mode, in the same vein as the zope mode, whereby  
certain classes are ignored for method checking:

*** typecheck.py        Tue Jun 19 11:27:53 2007
--- typecheck.py.tg     Tue Jun 19 11:21:24 2007
***************
*** 68,77 ****
--- 68,89 ----
                    'metavar' : '<members names>',
                    'help' : 'List of members which are usually get  
through \
   zope\'s acquisition mecanism and so shouldn\'t trigger E0201 when  
accessed \
   (need zope=yes to be considered).'}
                   ),
+                ('tg',
+                 {'default' : False, 'type' : 'yn', 'metavar':  
'<y_or_n>',
+                  'help' : 'When tg mode is activated, ignore class  
names in\
+ ignored_classes.'}
+                 ),
+                ('ignored_classes',
+                 {'default' : (
+         'SQLObject',),
+                  'type' : 'csv',
+                  'metavar' : '<members names>',
+                  'help' : 'List of classes to be ignored when tg is  
enabled.'}
+                 ),
           )

       def visit_getattr(self, node):
           """check that the accessed attribute exists

***************
*** 101,110 ****
--- 113,127 ----
                   continue
               # XXX "super" / metaclass call
               if is_super(owner) or getattr(owner, 'type', None) ==  
'metaclass':
                   continue
               name = getattr(owner, 'name', 'None')
+
+             # if we're running in tg mode, skip class names in  
ignored_classes
+             if self.config.tg and name in self.config.ignored_classes:
+                 continue
+
               if ignoremim and name[-5:].lower() == 'mixin':
                   continue
               try:
                   owner.getattr(node.attrname)
               except AttributeError:

It seems to work well for me.

(it should be noted that I've been unable to subscribe to the mailing  
list, likely due to the corporate firewall)

Thanks for a great tool,
-twb

**************************************
Thomas W. Barr, tbarr at aero.org
The Aerospace Corporation
Computer Systems Research Division, High Performance Computing
**************************************