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slackbot with steroids
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| """ | |
| slack bot with steroids | |
| get tokens here: https://slack.dev/python-slackclient/auth.html | |
| slack dev kit: https://slack.dev/python-slackclient/index.html | |
| requirements: | |
| pip install slackclient | |
| """ | |
| import os | |
| import re | |
| import json | |
| from copy import deepcopy | |
| from datetime import datetime | |
| from threading import Thread | |
| from slackclient import SlackClient | |
| baned_tags_regexp = re.compile('^<[/]?[t|d|h|i|m]') | |
| link_header = re.compile('https*:[/]{2}') | |
| DOMAIN = 'my_thing.com' | |
| def catalogue(func): | |
| """Handle error, produce safe string.""" | |
| def error_handler(*args, **kwargs): | |
| obj = args[0] | |
| if obj is None: | |
| obj = 'None object' | |
| obj_type = type(obj) | |
| try: | |
| text = func(*args, **kwargs) | |
| response = str(text) | |
| except Exception as e: | |
| text = 'set with items without str representation, error: {}'.format(e) | |
| response = '[{}] - {}'.format(obj_type, text) | |
| return response | |
| return error_handler | |
| @catalogue | |
| def cast_str_smart(thing): | |
| """Transform data to str.""" | |
| if thing is None: | |
| return 'None object detected' | |
| elif type(thing) is str: | |
| return thing | |
| elif type(thing) is dict: | |
| return json.dumps(thing, indent=4, sort_keys=True) | |
| elif type(thing) in (tuple, list): | |
| return '\n-'.join([cast_str_smart(a) for a in thing]) | |
| else: | |
| return str(thing) | |
| @catalogue | |
| def replace_fixes(message): | |
| """fix text incompatible with slack""" | |
| # bugfix for url malformation | |
| if 'http:///' in message: | |
| msj = message.replace('http:///', '{}/'.format(DOMAIN)) | |
| response = msj | |
| else: | |
| response = message | |
| # quick delete html to decrease message length | |
| filtered = [a.strip() for a in response.split('\n') if a.strip() != '' and not baned_tags_regexp.match(a.strip())] | |
| flag = False | |
| response = [] | |
| for line in filtered: | |
| if 'style>' in line: | |
| flag = not flag | |
| if not flag: | |
| response.append(line) | |
| return '\n'.join(response) | |
| def add_header(message, locations={}): | |
| """Add headers for message tracking.""" | |
| timestamp = datetime.now().strftime('%d-%m-%Y_%H:%M:%S') | |
| try: | |
| user = os.getlogin() | |
| except: | |
| user = 'bad_console' | |
| try: | |
| machine = os.uname().nodename | |
| except: | |
| machine = 'windows_machine' | |
| header = '`[{timestamp}] {user} from {machine} says:`\n'.format(**{ | |
| 'timestamp': timestamp, | |
| 'user': user, | |
| 'machine': machine | |
| }) | |
| return header + message | |
| class Steroid(object): | |
| def __init__(self, credentials=None, channel='my_channel'): | |
| self.base_location = os.path.dirname(__file__) | |
| self.credentials = dict() | |
| self.channel = channel | |
| self.credentials = { | |
| 'token': 'my_token', | |
| } | |
| self.sc = SlackClient(self.credentials['token']) | |
| def log(self, message): | |
| """Sends slack-safe message to slack.""" | |
| # show message | |
| # create a copy avoid modify original | |
| msj = deepcopy(message) | |
| # process message | |
| msj = cast_str_smart(msj) | |
| msj = replace_fixes(msj) | |
| # add identification headers to message | |
| msj = add_header(msj, locations=self.known_locations) | |
| # send message in no-wait mode | |
| t = Thread( | |
| target=self.sc.api_call, | |
| args=('chat.postMessage',), | |
| kwargs={'channel': '#{}'.format(self.channel), 'text': msj} | |
| ) | |
| t.start() |
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