Fix line length, use os.path.join and other small things

discord_embed/settings.py

@@ -7,8 +7,9 @@ from dotenv import 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."
+        "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()
@@ -19,7 +20,7 @@ class Settings:
     except KeyError:
         sys.exit("discord-embed: Environment variable 'DOMAIN' is missing!")
 
-    # We check if the domain ends with a forward slash. If it does, we remove it.
+    # Remove trailing slash from domain
     if domain.endswith("/"):
         domain = domain[:-1]
 
@@ -27,12 +28,12 @@ class Settings:
     try:
         upload_folder = os.environ["UPLOAD_FOLDER"]
     except KeyError:
-        sys.exit("discord-embed: Environment variable 'UPLOAD_FOLDER' is missing!")
+        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)
 
-    # We check if the upload folder ends with a forward slash. If it does, we remove it.
+    # Remove trailing slash from upload_folder
     if upload_folder.endswith("/"):
         upload_folder = upload_folder[:-1]
 
@@ -40,6 +41,4 @@ class Settings:
     try:
         webhook_url = os.environ["WEBHOOK_URL"]
     except KeyError:
-        sys.exit(
-            "Environment variable 'WEBHOOK_URL' is missing! You may have to restart your terminal or IDE to set it."
-        )
+        sys.exit("Environment variable 'WEBHOOK_URL' is missing!")