OpenMensa parser for STW Potsdam after canteen website redesign

stw_potsdam/canteen_api.py

@@ -0,0 +1,33 @@
+# -*- encoding: utf-8 -*-
+
+import json
+import requests
+from collections import namedtuple
+
+MenuParams = namedtuple('MenuParams', ('canteen_id', 'chash'))
+
+URL = 'https://www.studentenwerk-potsdam.de/essen/unsere-mensen-cafeterien/detailinfos/'
+
+
+def _param_json(it):
+    return json.dumps(it, separators=(',', ':'))
+
+
+def download_menu(menu_params):
+    context = {
+        'record': 'pages_66',
+        'path': 'tt_content.list.20.ddfmensa_ddfmensajson'
+    }
+
+    params = {
+        'tx_typoscriptrendering[context]': _param_json(context),
+        'tx_ddfmensa_ddfmensajson[mensa]': menu_params.canteen_id,
+        'cHash': menu_params.chash
+    }
+
+    body = {
+        'data': False
+    }
+
+    request = requests.post(URL, params=params, json=body)
+    return request.json()