stack_overflow : Create StackOverflow bot.
(Use stackoverflow APIs to answer queries.)
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Dhruv Thakker
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zulip_bots/zulip_bots/bots/stack_overflow/__init__.py
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zulip_bots/zulip_bots/bots/stack_overflow/__init__.py
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zulip_bots/zulip_bots/bots/stack_overflow/doc.md
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zulip_bots/zulip_bots/bots/stack_overflow/doc.md
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# StackOverflow Bot
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The StackOverflow bot is a Zulip bot that will search Stackoverflow
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for a provided set of keywords or a question, and fetch a link to the associated
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query. The link is returned to the same stream
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it was @mentioned in
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The Stackoverflow bot uses the
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[StackExchange API](http://api.stackexchange.com/docs)
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to obtain the search results it returns
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Using the StackOverflow bot is as simple as mentioning @\<stackoverflow-bot-name\>,
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followed by the query:
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```
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@<stackoverflow-bot-name> <query>
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```
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## Setup
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Beyond the typical obtaining of the zuliprc file, no extra setup is required to use the StackOverflow Bot
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## Usage
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1. ```@<stackoverflow-bot-name> <query>``` -
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fetches the link to the appropriate StackOverflow questions.
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* For example, `@<stackoverflow-bot-name> rest api`
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will return the links having questions related to rest api.
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<br>
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2. If there are no questions related to the query,
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the bot will respond with an error message:
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`I am sorry. The search query you provided is does not have any related results.`
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<br>
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3. If no query is provided, the bot will return the help text:
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```Please enter your message after @mention-bot```
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{
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"request": {
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"api_url":"http://api.stackexchange.com/2.2/search/advanced?order=desc&sort=relevance&site=stackoverflow&title=narendra"
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},
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"response": {
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"data": {
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"status_code":200
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},
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"items": [
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]
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},
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"response-headers":{
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"status":200,
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"ok":true,
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"content-type":"application/json; charset=utf-8"
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}
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}
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{
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"request": {
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"api_url":"http://api.stackexchange.com/2.2/search/advanced?order=desc&sort=relevance&site=stackoverflow&title=what%20is%20flutter"
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},
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"response": {
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"data": {
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"status_code":200
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},
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"items": [
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{
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"title":"What is flutter/dart and what are its benefits over other tools?",
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"link":"https://stackoverflow.com/questions/49023008/what-is-flutter-dart-and-what-are-its-benefits-over-other-tools"
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}
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]
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},
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"response-headers":{
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"status":200,
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"ok":true,
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"content-type":"application/json; charset=utf-8"
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}
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}
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{
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"request": {
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"api_url":"http://api.stackexchange.com/2.2/search/advanced?order=desc&sort=relevance&site=stackoverflow&title=113"
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},
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"response": {
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"data": {
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"status_code":200
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},
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"items": [
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{
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"title":"INSTALL_FAILED_NO_MATCHING_ABIS res-113",
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"link":"https://stackoverflow.com/questions/47117788/install-failed-no-matching-abis-res-113"
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},
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{
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"title":"com.sun.tools.xjc.reader.Ring.get(Ring.java:113)",
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"link":"https://stackoverflow.com/questions/12848282/com-sun-tools-xjc-reader-ring-getring-java113"
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},
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{
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"title":"no route to host error 113",
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"link":"https://stackoverflow.com/questions/10516222/no-route-to-host-error-113"
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}
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]
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},
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"response-headers":{
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"status":200,
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"ok":true,
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"content-type":"application/json; charset=utf-8"
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}
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}
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{
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"request": {
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"api_url":"http://api.stackexchange.com/2.2/search/advanced?order=desc&sort=relevance&site=stackoverflow&title=restful"
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},
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"response": {
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"data": {
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"status_code":200
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},
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"items": [
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{
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"title":"What exactly is RESTful programming?",
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"link":"https://stackoverflow.com/questions/671118/what-exactly-is-restful-programming"
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},
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{
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"title":"RESTful Authentication",
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"link":"https://stackoverflow.com/questions/319530/restful-authentication"
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},
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{
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"title":"RESTful URL design for search",
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"link":"https://stackoverflow.com/questions/319530/restful-authentication"
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}
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]
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},
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"response-headers":{
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"status":200,
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"ok":true,
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"content-type":"application/json; charset=utf-8"
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}
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}
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{
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"request": {
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"api_url":"http://api.stackexchange.com/2.2/search/advanced?order=desc&sort=relevance&site=stackoverflow&title=Zulip"
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},
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"response": {
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"data": {
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"status_code":404
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},
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"items": [
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]
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},
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"response-headers":{
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"status":404,
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"content-type":"text/html"
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}
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}
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requests
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77
zulip_bots/zulip_bots/bots/stack_overflow/stack_overflow.py
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zulip_bots/zulip_bots/bots/stack_overflow/stack_overflow.py
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import requests
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import logging
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import re
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import urllib
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from zulip_bots.lib import Any
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from typing import Optional, Any, Dict
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# See readme.md for instructions on running this code.
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class StackOverflowHandler(object):
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'''
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This plugin facilitates searching Stack Overflow for a
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specific query and returns the top 3 questions from the
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search. It looks for messages starting with '@mention-bot'
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In this example, we write all Stack Overflow searches into
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the same stream that it was called from.
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'''
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META = {
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'name': 'StackOverflow',
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'description': 'Searches Stack Overflow for a query and returns the top 3 articles.',
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}
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def usage(self) -> str:
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return '''
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This plugin will allow users to directly search
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Stack Overflow for a specific query and get the top 3
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articles that are returned from the search. Users
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should preface query with "@mention-bot".
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@mention-bot <search query>'''
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def handle_message(self, message: Dict[str, str], bot_handler: Any) -> None:
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bot_response = self.get_bot_stackoverflow_response(message, bot_handler)
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bot_handler.send_reply(message, bot_response)
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def get_bot_stackoverflow_response(self, message: Dict[str, str], bot_handler: Any) -> Optional[str]:
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'''This function returns the URLs of the requested topic.'''
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help_text = 'Please enter your query after @mention-bot to search StackOverflow'
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# Checking if the link exists.
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query = message['content']
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if query == '' or query == 'help':
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return help_text
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query_stack_link = ('http://api.stackexchange.com/2.2/search/advanced?'
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'order=desc&sort=relevance&site=stackoverflow&title=%s'
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% (urllib.parse.quote(query),))
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try:
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data = requests.get(query_stack_link)
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except requests.exceptions.RequestException:
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logging.error('broken link')
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return 'Uh-Oh ! Sorry ,couldn\'t process the request right now.:slightly_frowning_face:\n' \
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'Please try again later.'
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# Checking if the bot accessed the link.
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if data.status_code != 200:
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logging.error('Page not found.')
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return 'Uh-Oh ! Sorry ,couldn\'t process the request right now.:slightly_frowning_face:\n' \
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'Please try again later.'
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new_content = 'For search term:' + query + '\n'
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# Checking if there is content for the searched term
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if len(data.json()['items']) == 0:
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new_content = 'I am sorry. The search term you provided is not found :slightly_frowning_face:'
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else:
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for i in range(min(3, len(data.json()['items']))):
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search_string = data.json()['items'][i]['title']
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link = data.json()['items'][i]['link']
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new_content += str(i+1) + ' : ' + '[' + search_string + ']' + '(' + link + ')\n'
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return new_content
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handler_class = StackOverflowHandler
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54
zulip_bots/zulip_bots/bots/stack_overflow/test_stack_overflow.py
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zulip_bots/zulip_bots/bots/stack_overflow/test_stack_overflow.py
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from zulip_bots.test_lib import BotTestCase
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from zulip_bots.request_test_lib import mock_request_exception
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class TestStackoverflowBot(BotTestCase):
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bot_name = "stack_overflow"
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def test_bot(self) -> None:
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# Single-word query
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bot_request = 'restful'
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bot_response = ('''For search term:restful
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1 : [What exactly is RESTful programming?](https://stackoverflow.com/questions/671118/what-exactly-is-restful-programming)
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2 : [RESTful Authentication](https://stackoverflow.com/questions/319530/restful-authentication)
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3 : [RESTful URL design for search](https://stackoverflow.com/questions/319530/restful-authentication)
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''')
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with self.mock_http_conversation('test_single_word'):
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self.verify_reply(bot_request, bot_response)
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# Multi-word query
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bot_request = 'what is flutter'
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bot_response = ('''For search term:what is flutter
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1 : [What is flutter/dart and what are its benefits over other tools?](https://stackoverflow.com/questions/49023008/what-is-flutter-dart-and-what-are-its-benefits-over-other-tools)
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''')
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with self.mock_http_conversation('test_multi_word'):
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self.verify_reply(bot_request, bot_response)
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# Number query
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bot_request = '113'
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bot_response = ('''For search term:113
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1 : [INSTALL_FAILED_NO_MATCHING_ABIS res-113](https://stackoverflow.com/questions/47117788/install-failed-no-matching-abis-res-113)
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2 : [com.sun.tools.xjc.reader.Ring.get(Ring.java:113)](https://stackoverflow.com/questions/12848282/com-sun-tools-xjc-reader-ring-getring-java113)
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3 : [no route to host error 113](https://stackoverflow.com/questions/10516222/no-route-to-host-error-113)
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''')
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with self.mock_http_conversation('test_number_query'):
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self.verify_reply(bot_request, bot_response)
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# Incorrect word
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bot_request = 'narendra'
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bot_response = "I am sorry. The search term you provided is not found :slightly_frowning_face:"
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with self.mock_http_conversation('test_incorrect_query'):
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self.verify_reply(bot_request, bot_response)
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# 404 status code
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bot_request = 'Zulip'
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bot_response = 'Uh-Oh ! Sorry ,couldn\'t process the request right now.:slightly_frowning_face:\n' \
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'Please try again later.'
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with self.mock_http_conversation('test_status_code'):
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self.verify_reply(bot_request, bot_response)
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# Request Exception
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bot_request = 'Z'
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with mock_request_exception():
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self.verify_reply(bot_request, bot_response)
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