ability to check caps of a backend against a string (not only a class)

weboob/core/backends.py

@@ -78,7 +78,8 @@ class Backend(object):
 
     def has_caps(self, *caps):
         for c in caps:
-            if issubclass(self.klass, c):
+            if (isinstance(c, (unicode,str)) and c in [cap.__name__ for cap in self.iter_caps()]) or \
+               (type(c) == type and issubclass(self.klass, c)):
                 return True
         return False
 

weboob/tools/application/console.py

@@ -258,7 +258,7 @@ class ConsoleApplication(BaseApplication):
             if caps is not None:
                 if not isinstance(caps, (list, tuple, set)):
                     caps = (caps,)
-                caps = iter(cap.__name__ for cap in caps)
+                caps = [(cap if isinstance(cap, (str,unicode)) else cap.__name__) for cap in caps]
             weboobcfg.command_backends(*caps)
             logging.error(u'You can configure backends using the "weboob-config add" command:\nweboob-config add <name> [options..]')
             with open('/dev/null', 'w') as devnull:

weboob/tools/backend.py

@@ -21,6 +21,7 @@ import os
 from threading import RLock
 from logging import debug
 
+from weboob.capabilities.cap import ICap
 
 __all__ = ['BaseBackend', 'ObjectNotSupported']
 
@@ -170,9 +171,15 @@ class BaseBackend(object):
 
         return self.BROWSER(*args, **kwargs)
 
+    def iter_caps(self):
+        for cap in self.__class__.__bases__:
+            if issubclass(cap, ICap) and cap != ICap:
+                yield cap
+
     def has_caps(self, *caps):
         for c in caps:
-            if isinstance(self, c):
+            if (isinstance(c, (unicode,str)) and c in [cap.__name__ for cap in self.iter_caps()]) or \
+               isinstance(self, c):
                 return True
         return False