yymao · April 5, 2026 17:13
diff --git a/move-website.py b/move-website.py
 #!/usr/bin/env python3
 #
 # move-website.py
 # A script that backs up the existing public_html directory and points the website to a new URL.
 # Author: Yao-Yuan Mao
 #
 # Usage:
 # python move-website.py --to-url [new url]
 # python move-website.py --to-elements [uNID]
 # python move-website.py --backup-only
 # Additional option: --skip-url-check to skip URL validation

 import argparse
 import html
 import os
 import re
 import sys
 import urllib.request


 _ELEMENTS_URL = "https://profiles.faculty.utah.edu/{unid}/"


 _HTML_TEMPLATE = """<!DOCTYPE html>
 <html lang="en">
 <head>
  <script>location.href="$URL_JS$";</script>
  <meta http-equiv="refresh" content="0;url=$URL$" />
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
 </head>
 <body>
  <p>You are being redirected to <a href="$URL$">$URL$</a></p>
 </body>
 </html>
 """


 def check_url(url):
    req = urllib.request.Request(url, method='HEAD')
    try:
        with urllib.request.urlopen(req) as response:
            code = response.getcode()
            return (code >= 200) and (code < 400)
    except Exception as e:
        print(f"Error checking URL: {e}")
        return False


 def run():
    parser = argparse.ArgumentParser(description="Back up public_html and point the website to a new URL.")
    group = parser.add_mutually_exclusive_group(required=True)
    group.add_argument("--to-url", help="Redirect to the specified URL")
    group.add_argument("--to-elements", metavar="uNID", help="Redirect to the Utah Elements profile for the given uNID")
    group.add_argument("--backup-only", action="store_true", help="Only back up public_html without creating a redirect")
    parser.add_argument("--skip-url-check", action="store_true", help="Skip URL validation")
    args = parser.parse_args()

    if args.to_elements:
        if not re.match(r"^u\d{7}$", args.to_elements):
            print(f"Invalid uNID format for {args.to_elements}. Please use the format u followed by 7 digits.")
            return 10
        url = _ELEMENTS_URL.format(unid=args.to_elements)
    else:
        if args.to_url and not re.match(r"^https?://[^/]+", args.to_url, re.IGNORECASE):
            print(f"Invalid URL format for {args.to_url}. Please include http:// or https://.")
            return 11
        url = args.to_url

    if not args.backup_only and not args.skip_url_check:
        if not check_url(url):
            print(f"URL check failed for {url}. Use --skip-url-check to skip this check.")
            return 20

    public_html = os.path.expanduser("~/public_html")
    backup_path = public_html + ".bak"
    if os.path.exists(public_html):
        if os.path.exists(backup_path):
            counter = 1
            while os.path.exists(f"{backup_path}.{counter}"):
                counter += 1
            backup_path = f"{backup_path}.{counter}"
        os.rename(public_html, backup_path)
        print(f"Backed up public_html to {backup_path}")
    else:
        print("No existing public_html to back up.")
        backup_path = None

    if not args.backup_only:
        os.makedirs(public_html, exist_ok=True)
        if os.listdir(public_html):
            print("New public_html is not empty. Something is wrong... aborting.")
            return 30

        url_for_html = html.escape(url)
        url_for_js = url.replace("\\", "\\\\").replace('"', '\\"').replace("<", "\\x3c")
        html_src = (
            _HTML_TEMPLATE
            .replace("$URL_JS$", url_for_js)
            .replace("$URL$", url_for_html)
        )

        index_path = os.path.join(public_html, "index.html")
        with open(index_path, "w") as f:
            f.write(html_src)
        print(f"public_html now redirects to {url}")

        if backup_path:
            print(f"Previous site backed up at {backup_path}")

    return 0


 if __name__ == "__main__":
    sys.exit(run())
	#!/usr/bin/env python3
	#
	# move-website.py
	# A script that backs up the existing public_html directory and points the website to a new URL.
	# Author: Yao-Yuan Mao
	#
	# Usage:
	# python move-website.py --to-url [new url]
	# python move-website.py --to-elements [uNID]
	# python move-website.py --backup-only
	# Additional option: --skip-url-check to skip URL validation

	import argparse
	import html
	import os
	import re
	import sys
	import urllib.request


	_ELEMENTS_URL = "https://profiles.faculty.utah.edu/{unid}/"


	_HTML_TEMPLATE = """<!DOCTYPE html>
	<html lang="en">
	<head>
	<script>location.href="$URL_JS$";</script>
	<meta http-equiv="refresh" content="0;url=$URL$" />
	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	</head>
	<body>
	<p>You are being redirected to <a href="$URL$">$URL$</a></p>
	</body>
	</html>
	"""


	def check_url(url):
	req = urllib.request.Request(url, method='HEAD')
	try:
	with urllib.request.urlopen(req) as response:
	code = response.getcode()
	return (code >= 200) and (code < 400)
	except Exception as e:
	print(f"Error checking URL: {e}")
	return False


	def run():
	parser = argparse.ArgumentParser(description="Back up public_html and point the website to a new URL.")
	group = parser.add_mutually_exclusive_group(required=True)
	group.add_argument("--to-url", help="Redirect to the specified URL")
	group.add_argument("--to-elements", metavar="uNID", help="Redirect to the Utah Elements profile for the given uNID")
	group.add_argument("--backup-only", action="store_true", help="Only back up public_html without creating a redirect")
	parser.add_argument("--skip-url-check", action="store_true", help="Skip URL validation")
	args = parser.parse_args()

	if args.to_elements:
	if not re.match(r"^u\d{7}$", args.to_elements):
	print(f"Invalid uNID format for {args.to_elements}. Please use the format u followed by 7 digits.")
	return 10
	url = _ELEMENTS_URL.format(unid=args.to_elements)
	else:
	if args.to_url and not re.match(r"^https?://[^/]+", args.to_url, re.IGNORECASE):
	print(f"Invalid URL format for {args.to_url}. Please include http:// or https://.")
	return 11
	url = args.to_url

	if not args.backup_only and not args.skip_url_check:
	if not check_url(url):
	print(f"URL check failed for {url}. Use --skip-url-check to skip this check.")
	return 20

	public_html = os.path.expanduser("~/public_html")
	backup_path = public_html + ".bak"
	if os.path.exists(public_html):
	if os.path.exists(backup_path):
	counter = 1
	while os.path.exists(f"{backup_path}.{counter}"):
	counter += 1
	backup_path = f"{backup_path}.{counter}"
	os.rename(public_html, backup_path)
	print(f"Backed up public_html to {backup_path}")
	else:
	print("No existing public_html to back up.")
	backup_path = None

	if not args.backup_only:
	os.makedirs(public_html, exist_ok=True)
	if os.listdir(public_html):
	print("New public_html is not empty. Something is wrong... aborting.")
	return 30

	url_for_html = html.escape(url)
	url_for_js = url.replace("\\", "\\\\").replace('"', '\\"').replace("<", "\\x3c")
	html_src = (
	_HTML_TEMPLATE
	.replace("$URL_JS$", url_for_js)
	.replace("$URL$", url_for_html)
	)

	index_path = os.path.join(public_html, "index.html")
	with open(index_path, "w") as f:
	f.write(html_src)
	print(f"public_html now redirects to {url}")

	if backup_path:
	print(f"Previous site backed up at {backup_path}")

	return 0


	if __name__ == "__main__":
	sys.exit(run())
No results found