Susi AI Bot: Create a susi ai bot.

This bot uses SUSI_SERVER API to get response.

tools/run-mypy

@@ -90,7 +90,9 @@ force_include = [
     "zulip_bots/zulip_bots/bots/game_handler_bot/game_handler_bot.py",
     "zulip_bots/zulip_bots/bots/game_handler_bot/test_game_handler_bot.py",
     "zulip_bots/zulip_bots/bots/trello/trello.py",
-    "zulip_bots/zulip_bots/bots/trello/test_trello.py"
+    "zulip_bots/zulip_bots/bots/trello/test_trello.py",
+    "zulip_bots/zulip_bots/bots/susi/susi.py",
+    "zulip_bots/zulip_bots/bots/susi/test_susi.py",
 ]
 
 parser = argparse.ArgumentParser(description="Run mypy on files tracked by git.")

zulip_bots/zulip_bots/bots/susi/fixtures/test_reply.json

@@ -0,0 +1,57 @@
+{
+  "request": {
+    "api_url": "https://api.susi.ai/susi/chat.json?q=hi"
+  },
+  "response": {
+      "query": "hi",
+      "count": 1,
+      "client_id": "aG9zdF8xNzIuNjguMTQ0LjI3XzNkZWNmYjA0",
+      "query_date": "2018-02-21T06:45:24.291Z",
+      "answers": [{
+        "data": [
+          {
+            "0": "hi",
+            "1": "",
+            "token_original": "hi",
+            "token_canonical": "hi",
+            "token_categorized": "hi",
+            "timezoneOffset": "0",
+            "language": "en",
+            "answer": "Hello!",
+            "skill_link": "https://github.com/fossasia/susi_server/blob/development/conf/susi/en_0700_ai_play.json",
+            "query": "hi",
+            "skill": "/susi_server/conf/susi/en_0700_ai_play.json",
+            "_username": "ABC"
+          },
+          {
+            "answer": "C is the third letter in the English alphabet and a letter of the alphabets of many other writing systems which inherited it from the Latin alphabet.",
+            "skill_link": "https://github.com/fossasia/susi_server/blob/development/conf/susi/en_0090_fail.json",
+            "query": "c",
+            "skill": "/susi_server/conf/susi/en_0090_fail.json",
+            "_username": "ABC"
+          }
+        ],
+        "metadata": {"count": 5},
+        "actions": [{
+          "type": "answer",
+          "language": "en",
+          "expression": "Hello!"
+        }],
+        "skills": ["/susi_server/conf/susi/en_0700_ai_play.json"],
+        "persona": {}
+      }],
+      "answer_date": "2018-02-21T06:45:24.320Z",
+      "answer_time": 29,
+      "language": "en",
+      "session": {"identity": {
+        "type": "host",
+        "name": "172.68.144.27_3decfb04",
+        "anonymous": true
+      }}
+    },
+  "response-headers": {
+    "status": 200,
+    "ok": true,
+    "content-type": "application/json; charset=utf-8"
+  }
+}

zulip_bots/zulip_bots/bots/susi/susi.py

@@ -0,0 +1,51 @@
+import requests
+import urllib
+from typing import Dict, Any, Tuple, Union
+
+class SusiHandler(object):
+    '''
+    Susi AI Bot
+    To create and know more of SUSI skills go to `https://skills.susi.ai/`
+    '''
+
+    def usage(self) -> str:
+        return '''
+    Hi, I am Susi, people generally ask me these questions:
+    ```
+    What is the exchange rate of USD to BTC
+    How to cook biryani
+    draw a card
+    word starting with m and ending with v
+    question me
+    random GIF
+    image of a bird
+    flip a coin
+    let us play
+    who is Albert Einstein
+    search wikipedia for artificial intelligence
+    when is christmas
+    what is hello in french
+    name a popular movie
+    news
+    tell me a joke
+    buy a dress
+    currency of singapore
+    distance between india and singapore
+    tell me latest phone by LG
+    ```
+        '''
+
+    def handle_message(self, message: Dict[str, str], bot_handler: Any) -> None:
+        msg = message['content']
+        if msg == 'help' or msg == '':
+            bot_handler.send_reply(message, self.usage())
+            return
+        encoded_msg = urllib.parse.quote_plus(msg.encode('utf8'))
+        reply = requests.get("https://api.susi.ai/susi/chat.json?q=" + encoded_msg)
+        try:
+            answer = reply.json()['answers'][0]['actions'][0]['expression']
+        except Exception:
+            answer = "I don't understand. Can you rephrase?"
+        bot_handler.send_reply(message, answer)
+
+handler_class = SusiHandler

zulip_bots/zulip_bots/bots/susi/test_susi.py

@@ -0,0 +1,45 @@
+from zulip_bots.test_lib import (
+    BotTestCase,
+)
+
+from typing import Any
+
+class TestSusiBot(BotTestCase):
+    bot_name = "susi"
+
+    def test_help(self) -> None:
+        bot_response = '''
+    Hi, I am Susi, people generally ask me these questions:
+    ```
+    What is the exchange rate of USD to BTC
+    How to cook biryani
+    draw a card
+    word starting with m and ending with v
+    question me
+    random GIF
+    image of a bird
+    flip a coin
+    let us play
+    who is Albert Einstein
+    search wikipedia for artificial intelligence
+    when is christmas
+    what is hello in french
+    name a popular movie
+    news
+    tell me a joke
+    buy a dress
+    currency of singapore
+    distance between india and singapore
+    tell me latest phone by LG
+    ```
+        '''
+
+        self.verify_reply('', bot_response)
+        self.verify_reply('help', bot_response)
+
+    def test_issue(self) -> None:
+        request = 'hi'
+        bot_response = 'Hello!'
+
+        with self.mock_http_conversation('test_reply'):
+            self.verify_reply(request, bot_response)