Catch errors in boobill (cmds without args)

Closes #1303

weboob/applications/boobill/boobill.py

@@ -24,7 +24,8 @@ from decimal import Decimal
 from weboob.capabilities.bill import ICapBill, Detail, Subscription
 from weboob.tools.application.repl import ReplApplication, defaultcount
 from weboob.tools.application.formatters.iformatter import PrettyFormatter
-
+from weboob.tools.application.base import MoreResultsAvailable
+from weboob.core import CallErrors
 
 __all__ = ['Boobill']
 
@@ -67,12 +68,28 @@ class Boobill(ReplApplication):
         else:
             l.append((id, backend_name))
 
+        more_results = []
+        not_implemented = []
+        self.start_format()
         for id, backend in l:
             names = (backend,) if backend is not None else None
+            try:
+                for backend, result in self.do(method, id, backends=names):
+                    self.format(result)
+            except CallErrors as errors:
+                for backend, error, backtrace in errors:
+                    if isinstance(error, MoreResultsAvailable):
+                        more_results.append(id + u'@' + backend.name)
+                    elif isinstance(error, NotImplementedError):
+                        if backend not in not_implemented:
+                            not_implemented.append(backend)
+                    else:
+                        self.bcall_error_handler(backend, error, backtrace)
 
-            self.start_format()
-            for backend, result in self.do(method, id, backends=names):
-                self.format(result)
+        if len(more_results) > 0:
+            print >>sys.stderr, 'Hint: There are more results available for %s (use option -n or count command)' % (', '.join(more_results))
+        for backend in not_implemented:
+            print >>sys.stderr, u'Error(%s): This feature is not supported yet by this backend.' % backend.name
 
     def do_subscriptions(self, line):
         """
@@ -104,6 +121,7 @@ class Boobill(ReplApplication):
             names = (backend,) if backend is not None else None
             # XXX: should be generated by backend? -Flo
             # XXX: no, but you should do it in a specific formatter -romain
+            # TODO: do it, and use exec_method here. Code is obsolete
             mysum = Detail()
             mysum.label = u"Sum"
             mysum.infos = u"Generated by boobill"

weboob/tools/application/repl.py

@@ -247,7 +247,6 @@ class ReplApplication(Cmd, ConsoleApplication):
         if len(self.objects) > 0:
             return self.objects
         elif method is not None:
-            fields = None
             kwargs['backends'] = self.enabled_backends
             for backend, object in self.weboob.do(self._do_complete, None, None, method, *args, **kwargs):
                 self.add_object(object)