refactored into python3 script for discourse api

invite.py

@@ -0,0 +1,112 @@
+#!/usr/bin/env python3
+
+import configparser
+import datetime
+import logging
+import optparse
+import requests
+
+class JsonObject(object):
+    '''An object constructed from a JSON response'''
+
+    def __init__(self, json):
+        self.update_attributes(json)
+
+    def __str__(self):
+        return '{} with ID: {}'.format(self.__class__.__name__, self.id)
+
+    def __repr__(self):
+        vars_string = str(self.__dict__)
+
+        replace = {': ': '=', '{': '', '}': ''}
+        for key in replace:
+            vars_string = vars_string.replace(key, replace[key])
+
+        return '{}({})'.format(self.__class__.__name__, vars_string)
+
+    def update_attributes(self, json):
+        self.__dict__.update(json)
+
+class Topic(JsonObject):
+
+    def __init__(self, client, **kwargs):
+        self.client = client
+        super().__init__(**kwargs)
+
+class Client(object):
+
+    def __init__(self, host, api_username='', api_key=''):
+        self.host = host
+
+        self.session = requests.Session()
+        self.session.headers.update({
+            'Api-Username': api_username,
+            'Api-Key': api_key,
+        })
+
+    # Class Methods
+    def _request(self, method, path, params=None, data=None, json=None):
+        response = self.session.request(
+            method=method.upper(),
+            url=requests.compat.urljoin(self.host, path),
+            params=params,
+            data=data,
+            json=json,
+        )
+        response.raise_for_status()
+
+        return response.json()
+
+    def create_topic(self, title, raw, category=None):
+        response = self._request('POST', 'posts.json', json={
+            'title': title,
+            'raw': raw,
+            'category': category,
+        })
+
+        return Topic(client=self, json=response)
+
+def main():
+    op = optparse.OptionParser()
+    op.add_option("-c", "--config", default="invite.conf")
+    op.add_option("-v", "--verbose", action="store_true")
+    options, args = op.parse_args()
+
+    config = configparser.ConfigParser()
+    configfile = options.config
+    if not config.read(configfile):
+        op.error(f"Configuration file '{configfile}' not found or not readable.")
+
+    if options.verbose:
+        logging.basicConfig()
+        logging.getLogger().setLevel(logging.DEBUG)
+
+    client = Client(
+        host = config['discourse']['uri'],
+	api_username = config['discourse']['api_username'],
+	api_key = config['discourse']['api_key']
+    )
+
+    now = datetime.date.today()
+    date = now + datetime.timedelta(3 - now.weekday())
+    date_str = date.strftime('%d.%m.%Y')
+
+    subject = f'Einladung zum Plenum am {date_str}'
+    msg_body = '''Hallo zusammen,
+
+am Donnerstag findet wieder unser monatliches Plenum statt.
+Wir treffen uns um 20 Uhr im virtuellen Raum unter:
+
+https://talk.kabi.tk/krautspace
+
+Antwortet einfach hier auf diesen Post, wenn ihr etwas thematisieren möchtet.
+Wir freuen uns auf zahlreiche Teilnehmer:innnen.
+
+Mit den besten Grüßen,
+
+das Einladeskript'''
+    client.create_topic(title=subject, raw=msg_body, category=7)
+
+
+if __name__ == '__main__':
+    main()