Added basic, untested Dockerfile

This will be the basis for the docker support. I haven't
gotten it working yet as I need to make some other changes to
the script. Should this be kept as a separate branch...?

Dockerfile

@@ -0,0 +1,10 @@
+FROM python:3.13.2-alpine3.21
+
+WORKDIR /usr/src/app
+
+COPY discorss.py ./
+COPY discorss.conf /etc/
+
+RUN pip install --no-cache-dir requests feedparser
+
+CMD [ "python", "discorss.py" ]

README.md

@@ -23,7 +23,7 @@ Logging was recently enabled. Make sure that the user running the script (especi
 
 To configure the script, create ~/.config/discorss/discorss.conf with the following structure:
 
-```json
+```
 {
     "feeds": [
         {
@@ -54,7 +54,7 @@ To automate feed posting, create a systemd service and timer to execute the scri
 
 Use the command `systemctl --user edit --full --force discorss.service` and then paste in something like this:
 
-```systemd
+```
 [Unit]
 Description=Discord RSS feeder
 Wants=discorss.timer
@@ -68,7 +68,7 @@ WantedBy=default.target
 ```
 
 Make sure to edit the ExecStart to point to the correct location. Then we need a systemd timer to automatically fire the script. Run `systemctl --user edit --full --force discorss.timer` and then paste in this:
-```systemd
+```
 [Unit]
 Description=Timer for DiscoRSS
 Requires=discorss.service

discorss.py

@@ -53,6 +53,7 @@ def get_description(feed, length=250, min_length=150, addons=None):
                 break
             else:
                 length -= 1
+        desc = temporary_string[:length]
     except KeyError:
         temporary_string = str(feed["description"])
         temporary_string = html_filter.sub("", temporary_string)
@@ -61,10 +62,7 @@ def get_description(feed, length=250, min_length=150, addons=None):
                 break
             else:
                 length -= 1
-
-    desc = temporary_string[:length]
-    if addons is not None:
-        desc = desc + str(addons)
+        desc = temporary_string[:length]
     return desc
 
 
@@ -89,7 +87,7 @@ def setupPaths():
             Path(config_dir).mkdir(parents=True, exist_ok=True)
         except FileExistsError:
             print(
-                "The config dir {} already exists and is not a directory! Please fix manually. Quitting!".format(
+                "The config dir {} already exists and is not a directory! Please fix manually.".format(
                     config_dir
                 )
             )
@@ -138,12 +136,11 @@ def main():
             else:
                 continue
         if bad_time is True:
-            logger.debug(
+            logger.warning(
                 "Feed %s doesn't supply a published time, using updated time instead",
                 hook["name"],
             )
         # Hash the title and time of the latest post and use that to determine if it's been posted
-        # Yes, SHA3-512 is totally unnecessary for this purpose, but I love SHA3
         new_hash = hashlib.sha3_512(
             bytes(latest_post["title"] + str(published_time), "utf-8")
         ).hexdigest()
@@ -213,4 +210,12 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    if os.environ["INVOCATION_ID"]:
+        main()
+    else:
+        try:
+            while True:
+                main()
+                time.sleep(15 * 60)
+        except KeyboardInterrupt:
+            exit(0)