Add the gist of the application

cloudflare-ddns/__main__.py

@@ -0,0 +1,39 @@
+import logging
+
+import click
+from email_validator import EmailNotValidError, validate_email
+
+from .utils import parse_duration, validate_bearer
+
+DEFAULT_DELAY = "5 minutes"
+
+
+@click.command()
+@click.option('--delay', '-d', default=DEFAULT_DELAY, show_default=True)
+@click.option('--email', '-u', prompt="Enter your Cloudflare Email address")
+@click.option('--key', '-k', prompt="Enter your Cloudflare Auth key", hide_input=True)
+def start(delay: str, email: str, key: str) -> None:
+    """Main application entrypoint."""
+    try:
+        duration = parse_duration(delay)
+    except ValueError as e:
+        logging.error(f"Failed to parse delay: {e}")
+        logging.error("Exiting with code 64.")
+        exit(64)
+
+    try:
+        validate_email(email)
+    except EmailNotValidError:
+        logging.warning(f"The email address {email} don't seem valid. Do you have a typo?")
+
+    try:
+        validate_bearer(key)
+    except ...:
+        ...
+
+
+# Main entrypoint
+if __name__ == "__main__":
+    logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s")
+
+    start(auto_envvar_prefix="CF_DDNS")