api: Implement PATCH /users/me/subscriptions/muted_topics.

zulip/zulip/__init__.py

@@ -939,6 +939,17 @@ class Client(object):
             request=request,
         )
 
+    def mute_topic(self, request):
+        # type: (Dict[str, Any]) -> Dict[str, Any]
+        '''
+            See examples/mute-topic for example usage.
+        '''
+        return self.call_endpoint(
+            url='users/me/subscriptions/muted_topics',
+            method='PATCH',
+            request=request
+        )
+
     def get_stream_id(self, stream):
         # type: (str) -> Dict[str, Any]
         '''

zulip/zulip/examples/mute-topic

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import argparse
+
+import zulip
+
+usage = """mute-topic (mute | unmute) <stream> <topic> [options]
+
+Example: mute-topic mute Verona dinner
+Example: mute-topic unmute Denmark party
+"""
+
+parser = zulip.add_default_arguments(argparse.ArgumentParser(usage=usage))
+parser.add_argument('op', choices=['mute', 'unmute'])
+parser.add_argument('stream')
+parser.add_argument('topic')
+options = parser.parse_args()
+
+client = zulip.init_from_options(options)
+
+OPERATIONS = {
+    'mute': 'add',
+    'unmute': 'remove'
+}
+
+print(client.mute_topic({
+    'op': OPERATIONS[options.op],
+    'stream': options.stream,
+    'topic': options.topic
+}))