bots: Move all bots and the bots API to separate package.

zulip_bots/zulip_bots/bots/incrementor/incrementor.py

@@ -0,0 +1,29 @@
+# See readme.md for instructions on running this code.
+
+
+class IncrementorHandler(object):
+
+    def usage(self):
+        return '''
+        This is a boilerplate bot that makes use of the
+        update_message function. For the first @-mention, it initially
+        replies with one message containing a `1`. Every time the bot
+        is @-mentioned, this number will be incremented in the same message.
+        '''
+
+    def handle_message(self, message, bot_handler, state_handler):
+        state = state_handler.get_state() or {'number': 0, 'message_id': None}
+        state['number'] += 1
+        state_handler.set_state(state)
+        if state['message_id'] is None:
+            result = bot_handler.send_reply(message, str(state['number']))
+            state['message_id'] = result['id']
+            state_handler.set_state(state)
+        else:
+            bot_handler.update_message(dict(
+                message_id = state['message_id'],
+                content = str(state['number'])
+            ))
+
+
+handler_class = IncrementorHandler

zulip_bots/zulip_bots/bots/incrementor/readme.md

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+# Incrementor bot
+
+This is a boilerplate bot that makes use of the
+update_message function. For the first @-mention, it initially
+replies with one message containing a `1`. Every time the bot
+is @-mentioned, this number will be incremented in the same message.