Move everything to own file

discord_embed/settings.py

@@ -1,44 +1,43 @@
+"""Read settings from environment variables."""
 import os
 import pathlib
 import sys
 
 from dotenv import load_dotenv
 
+DESCRIPTION = (
+    "Discord will only create embeds for videos and images if they are "
+    "smaller than 8 mb. We can 'abuse' this by creating a .html that "
+    "contains the 'twitter:player' HTML meta tag linking to the video."
+)
+# Load environment variables
+load_dotenv()
 
-class Settings:
-    description = (
-        "Discord will only create embeds for videos and images if they are "
-        "smaller than 8 mb. We can 'abuse' this by creating a .html that "
-        "contains the 'twitter:player' HTML meta tag linking to the video."
-    )
-    # Load environment variables
-    load_dotenv()
+# Check if user has added a domain to the environment.
+try:
+    domain = os.environ["DOMAIN"]
+except KeyError:
+    sys.exit("discord-embed: Environment variable 'DOMAIN' is missing!")
 
-    # Check if user has added a domain to the environment.
-    try:
-        domain = os.environ["DOMAIN"]
-    except KeyError:
-        sys.exit("discord-embed: Environment variable 'DOMAIN' is missing!")
+# Remove trailing slash from domain
+if domain.endswith("/"):
+    domain = domain[:-1]
 
-    # Remove trailing slash from domain
-    if domain.endswith("/"):
-        domain = domain[:-1]
+# Check if we have a folder for uploads.
+try:
+    upload_folder = os.environ["UPLOAD_FOLDER"]
+except KeyError:
+    sys.exit("Environment variable 'UPLOAD_FOLDER' is missing!")
 
-    # Check if we have a folder for uploads.
-    try:
-        upload_folder = os.environ["UPLOAD_FOLDER"]
-    except KeyError:
-        sys.exit("Environment variable 'UPLOAD_FOLDER' is missing!")
+# Create upload_folder if it doesn't exist.
+pathlib.Path(upload_folder).mkdir(parents=True, exist_ok=True)
 
-    # Create upload_folder if it doesn't exist.
-    pathlib.Path(upload_folder).mkdir(parents=True, exist_ok=True)
+# Remove trailing slash from upload_folder
+if upload_folder.endswith("/"):
+    upload_folder = upload_folder[:-1]
 
-    # Remove trailing slash from upload_folder
-    if upload_folder.endswith("/"):
-        upload_folder = upload_folder[:-1]
-
-    # Discord webhook URL
-    try:
-        webhook_url = os.environ["WEBHOOK_URL"]
-    except KeyError:
-        sys.exit("Environment variable 'WEBHOOK_URL' is missing!")
+# Discord webhook URL
+try:
+    webhook_url = os.environ["WEBHOOK_URL"]
+except KeyError:
+    sys.exit("Environment variable 'WEBHOOK_URL' is missing!")