plugin uri finder, jp (merge-request): labels handling:

- a label can now be specified as metadata after specifing a "xmpp:" URI in doc (with « use "[label]" label" » after the URI)
- updated jp to handle new signature of URIFind
- jp (merge-request/set): labels can now be specified using --label

frontends/src/jp/common.py

@@ -671,6 +671,13 @@ class URIFinder(object):
     """Helper class to find URIs in well-known locations"""
 
     def __init__(self, command, path, key, callback):
+        """
+        @param command(CommandBase): command instance
+            args of this instance will be updated with found values
+        @param path(unicode): absolute path to use as a starting point to look for URIs
+        @param key(unicode): key to look for
+        @param callback(callable): method to call once URIs are found (or not)
+        """
         if not command.args.service and not command.args.node:
             self.host = command.host
             self.args = command.args
@@ -685,12 +692,26 @@ class URIFinder(object):
         else:
             callback()
 
-    def URIFindCb(self, uri_data):
+    def URIFindCb(self, uris_data):
         try:
-            uri = uri_data[self.key]
+            uri_data = uris_data[self.key]
         except KeyError:
             self.host.disp(_(u"No {key} URI specified for this project, please specify service and node").format(key=self.key), error=True)
             self.host.quit(C.EXIT_NOT_FOUND)
+        else:
+            uri = uri_data[u'uri']
+            labels_raw = uri_data.get(u'labels')
+
+        if labels_raw is not None:
+            try:
+                labels = self.args.labels
+            except AttributeError:
+                raise exceptions.InternalError(u'there is no "labels" arguments')
+            else:
+                if labels is None:
+                    labels = []
+                labels.extend(json.loads(labels_raw))
+                self.args.labels = labels
         parsed_uri = xmpp_uri.parseXMPPUri(uri)
         try:
             self.args.service = parsed_uri[u'path']