feat: Packaged script in container

.gitignore

@@ -0,0 +1,4 @@
+grades.csv
+grades.html
+venv/
+__pycache__/

Dockerfile

@@ -0,0 +1,13 @@
+FROM python:3.12-slim-bookworm
+WORKDIR /notifier
+
+COPY dualis_notifier.py config.py requirements.txt entrypoint.sh /notifier/
+RUN chmod 0755 /notifier/entrypoint.sh
+
+RUN pip install --no-cache-dir --compile -r requirements.txt
+
+RUN apt update
+RUN apt install cron -y
+
+RUN echo "* * * * * /usr/local/bin/python3 /notifier/dualis_notifier.py >> /var/log/cron.log 2>&1" | crontab -
+CMD ["/notifier/entrypoint.sh"]

config.py

@@ -1,5 +1,17 @@
-user = ""
-passwd = ""
-semester_id = ""
-hook_url = ""
-user_agent = "Dualis Notifier"
+import os
+
+
+def load_config():
+    user = os.getenv("DUALIS_USER")
+    passwd = os.getenv("DUALIS_PASSWD")
+    semester_id = os.getenv("SEMESTER_ID")
+    hook_url = os.getenv("DISCORD_WEBHOOK")
+    user_agent = os.getenv("AGENT_NAME", "Dualis Notifier")
+
+    return {
+        "user": user,
+        "passwd": passwd,
+        "semester_id": semester_id,
+        "hook_url": hook_url,
+        "user_agent": user_agent,
+    }

dualis_notifier.py

@@ -3,16 +3,18 @@
 import re
 import os
 
-import config
+from config import load_config
+
+config = load_config()
 
 
 def get_session(user, passwd) -> dict:
     url = "https://dualis.dhbw.de/scripts/mgrqispi.dll"
 
-    payload = f'usrname={user}%40student.dhbw-mannheim.de&pass={passwd}&APPNAME=CampusNet&PRGNAME=LOGINCHECK&ARGUMENTS=clino%2Cusrname%2Cpass%2Cmenuno%2Cmenu_type%2Cbrowser%2Cplatform&clino=000000000000001&menuno=000324&menu_type=classic&browser=&platform='
+    payload = f"usrname={user}%40student.dhbw-mannheim.de&pass={passwd}&APPNAME=CampusNet&PRGNAME=LOGINCHECK&ARGUMENTS=clino%2Cusrname%2Cpass%2Cmenuno%2Cmenu_type%2Cbrowser%2Cplatform&clino=000000000000001&menuno=000324&menu_type=classic&browser=&platform="
     headers = {
-        'User-Agent': config.user_agent,
-        'Content-Type': 'application/x-www-form-urlencoded',
+        "User-Agent": config["user_agent"],
+        "Content-Type": "application/x-www-form-urlencoded",
     }
 
     response = requests.request("POST", url, headers=headers, data=payload)
@@ -21,16 +23,18 @@ def get_session(user, passwd) -> dict:
 
     return {
         "cookie": response.headers["Set-Cookie"].split(";")[0].replace(" ", ""),
-        "session": re.search(regex_pattern_session, response.headers["REFRESH"]).group(1)
+        "session": re.search(regex_pattern_session, response.headers["REFRESH"]).group(
+            1
+        ),
     }
 
 
 def get_grades(cookie, session, semester_id) -> str:
     url = f"https://dualis.dhbw.de/scripts/mgrqispi.dll?APPNAME=CampusNet&PRGNAME=COURSERESULTS&ARGUMENTS={session},-N000307,{semester_id}"
 
     headers = {
-        'User-Agent': config.user_agent,
-        'Cookie': f'{cookie}; {cookie}',
+        "User-Agent": config["user_agent"],
+        "Cookie": f"{cookie}; {cookie}",
     }
 
     response = requests.get(url, headers=headers)
@@ -44,13 +48,15 @@ def get_grades(cookie, session, semester_id) -> str:
 def extract_data_from_html(raw_html) -> pd.DataFrame:
     tables = pd.read_html(raw_html)
     df = tables[0]
-    df.drop(df.columns[df.columns.str.contains(
-        'unnamed', case=False)], axis=1, inplace=True)
+    df.drop(
+        df.columns[df.columns.str.contains("unnamed", case=False)], axis=1, inplace=True
+    )
     return df
 
 
 def notify_server(name, hook_url) -> None:
-    data = {
+    print("Server notification sim!")
+    """data = {
         "username": "DUALIS"
     }
     data["embeds"] = [
@@ -60,17 +66,20 @@ def notify_server(name, hook_url) -> None:
             "url": "https://dualis.dhbw.de"
         }
     ]
-    requests.post(hook_url, json=data)
+    requests.post(hook_url, json=data)"""
 
 
 if __name__ == "__main__":
-    creds = get_session(config.user, config.passwd)
+    creds = get_session(config["user"], config["passwd"])
     raw_html = get_grades(
-        cookie=creds["cookie"], session=creds["session"], semester_id=config.semester_id)
+        cookie=creds["cookie"],
+        session=creds["session"],
+        semester_id=config["semester_id"],
+    )
     table = extract_data_from_html(raw_html)
 
-    if os.path.exists('grades.csv'):
-        old_grades = pd.read_csv('grades.csv', index_col=0)
+    if os.path.exists("grades.csv"):
+        old_grades = pd.read_csv("grades.csv", index_col=0)
         res = table.compare(old_grades)
         index_list = res.index.to_list()
 
@@ -83,7 +92,7 @@ def notify_server(name, hook_url) -> None:
             if name == "Semester-GPA":
                 continue
             print(f"I: New grades for {name}")
-            notify_server(name, config.hook_url)
+            notify_server(name, config["hook_url"])
 
         table.to_csv("grades.csv")
     else:

entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+echo "Starting notifier..."
+
+printenv | grep -v "no_proxy" >> /etc/environment
+cron -f

requirements.txt

@@ -0,0 +1,3 @@
+requests==2.32.3
+pandas==2.2.2
+lxml==5.3.0