[repl] move format_collection from repl to ifromatter

weboob/tools/application/formatters/iformatter.py

@@ -203,6 +203,16 @@ class IFormatter(object):
         """
         return NotImplementedError()
 
+    def format_collection(self, collection, only):
+        """
+        Format a collection to be human-readable.
+
+        :param collection: collection to format
+        :type collection: BaseCollection
+        :rtype: str
+        """
+        return NotImplementedError()
+
 
 class PrettyFormatter(IFormatter):
     def format_obj(self, obj, alias):
@@ -230,6 +240,16 @@ class PrettyFormatter(IFormatter):
     def get_description(self, obj):
         return None
 
+    def format_collection(self, collection, only):
+        if only is False or collection.basename in only:
+            if collection.basename and collection.title:
+                self.output(u'%s~ (%s) %s (%s)%s' %
+                     (self.BOLD, collection.basename, collection.title, collection.backend, self.NC))
+            else:
+                self.output(u'%s~ (%s) (%s)%s' %
+                     (self.BOLD, collection.basename, collection.backend, self.NC))
+
+
 def formatter_test_output(Formatter, obj):
     """
     Formats an object and returns output as a string.