added requirements

added ENV variables for secrets

.gitignore

@@ -12,3 +12,7 @@ logs/app/*
 database/exports/*
 *.pyc
 dev_utils.py
+secrets
+.jython_cache/**
+# .jython_cache/packages
+task-bot-old

app/main.py

@@ -1,10 +1,10 @@
-  
+#! /bin/env python3
+
 import logging
-import sqlite3
 import json
+from os import environ
 
 from telegram.ext import CommandHandler, MessageHandler, Updater, PicklePersistence, Filters
-import telegram.ext
 
 import text_commands
 import event_handlers
@@ -16,17 +16,41 @@ logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s
                     filename="logs/app/info")
 
 
-# authentication and proxy
-with open("secrets/proxy") as proxyfile:
-    proxy_url = proxyfile.readline().strip()
 
-with open("secrets/telegram_token_test") as tokenfile:
-    telegram_bot_token = tokenfile.readline().strip()
+# authentication and proxy
+proxy_url:str
+try:
+    proxy_url = environ['TASKBOT_PROXY']
+except KeyError:
+    try:
+        with open("secrets/proxy") as proxyfile:
+            proxy_url = proxyfile.readline().strip()
+    except FileNotFoundError:
+        proxy_url = "" # no proxy configured
+
+try:
+    telegram_bot_token = environ['TASKBOT_TOKEN']
+except KeyError:
+    try:
+        with open("secrets/telegram_token_test") as tokenfile:
+            telegram_bot_token = tokenfile.readline().strip()
+    except FileNotFoundError:
+        #TODO log, STDERR
+        exit(-1)
 
 # persistence
-with open("app/config.json") as config:
-    persistence_path = json.load(config)["persistence_path"]
-persistence = PicklePersistence(filename=persistence_path)
+persistence_path:str
+try:
+    persistence_path = environ['TASKBOT_PERSISTENCE_FILE']
+except KeyError:
+    try:
+        with open("app/config.json") as config:
+            persistence_path = json.load(config)["persistence_path"]
+    except FileNotFoundError:
+        persistence_path = "./persistence"
+finally:
+    persistence = PicklePersistence(filename=persistence_path)
+    #TODO why there is a database AND persistence?
 
 updater_request_kwargs = {'proxy_url': proxy_url} if proxy_url else dict()
 updater = Updater(token=telegram_bot_token, request_kwargs=updater_request_kwargs, persistence=persistence)

requirements.txt

@@ -0,0 +1,13 @@
+-i https://pypi.org/simple
+apscheduler==3.6.3
+certifi==2020.12.5
+cffi==1.14.5
+cryptography==3.4.4
+pycparser==2.20
+pysocks==1.7.1
+python-telegram-bot==13.2
+pytz==2021.1
+six==1.15.0
+tornado==6.1
+tzlocal==2.1
+xlsxwriter==1.3.7