fetching and reading calendar

publish_meetups/routines/__init__.py

@@ -1,6 +1,11 @@
 from typing import Generator, Type, Dict
+import os.path
+from pathlib import Path
 
-from ..utils import config, error
+import requests
+from ics import Calendar
+
+from ..utils import config, error, prompt, ICS_FILE
 from ..feeds import *
 
 
@@ -36,6 +41,32 @@ class Routine:
         except (TypeError, error.InvalidCredential):
             raise error.InvalidCredential(f"Invalid credentials for {feed.__name__}.")
 
+    @staticmethod
+    def get_ics(use_cached: bool = False) -> Path:
+        if use_cached and ICS_FILE.exists():
+            with ICS_FILE.open("r") as f:
+                return Calendar(f.read())
+
+        ics_url = config.get_field("ics_url")
+        if not len(ics_url):
+            ics_url = prompt.for_string("url or path to the ICS file")
+            config.set_field("ics_url", ics_url)
+
+        origin_path = Path(ics_url)
+        
+        if origin_path.is_file():
+            with origin_path.open("rb") as f:
+                with ICS_FILE.open("wb") as t:
+                    t.write(f.read())
+        else:
+            r = requests.get(ics_url)
+            with ICS_FILE.open("wb") as t:
+                t.write(r.content)
+
+        with ICS_FILE.open("r") as f:
+            return Calendar(f.read())
+
+        
 
     def run(self):
         pass

publish_meetups/routines/development.py

@@ -4,7 +4,4 @@ from ..feeds import Feed
 
 class Development(Routine):
     def run(self):
-        for feed_class in self.iter_feeds():
-            feed: Feed = self.init_feed(feed_class)
-
-            feed.post(message="This worked second try!")
+        print(self.get_ics())