Manjaro Mirror Evaluation: see https://forum.manjaro.org/t/wrote-a-script-to-filter-the-mirrors-from-the-mirrorlist-based-on-their-status/58438 for more details

mirror_eval.py

#!/usr/bin/env python

MIRRORLIST_FILE = '/etc/pacman.d/mirrorlist'
ENFORCE_ROOT = True
BRANCH = 'stable'
# A mirror that is assumed to be always available and is the most up-to-date
MOST_UPDATE_MIRROR='https://mirror.netzspielplatz.de/manjaro/packages'
# How many seconds before the connection timeouts (i.e. the mirror is considered as unreachable)
TIMEOUT=10

import os, sys, requests, re, datetime

# extract the date and time of last change from the text of a BoxIt branch state file
def get_time_from_state(text):
    last_update_time_regex = re.compile(r'date=(2.*)Z')
    last_update_time_str = last_update_time_regex.search(text).group(1)
    last_update_time = datetime.datetime.fromisoformat(last_update_time_str)
    return last_update_time

def show_help():
    print("Usage: mirror_eval.py [arg]\n"
        "Arguments\n"
        "-h, --help, <unregconized arguments>: show help\n"
        "-l, --list: try current mirrors in the mirrorlist and return their status\n"
        "-f, --filter: comment out mirrors that are not up to date\n"
        "-r, --revert: uncomment"
    )

def check_sudo():
    if ENFORCE_ROOT and os.geteuid() != 0:
        print("Error: superuser permissions are required")
        sys.exit(1)

# Get the last updated time from the assumed most up-to-date mirror
def get_last_update_time():
    req = requests.get(MOST_UPDATE_MIRROR + '/' + BRANCH + '/state', timeout=TIMEOUT)
    last_update_time = get_time_from_state(str(req.text))
    req.raise_for_status()
    print(f'The {BRANCH} branch is last updated at {last_update_time}')
    return last_update_time

if len(sys.argv) > 1 and sys.argv[1] in ['-l', '--list', '-f', '--filter']:
    if sys.argv[1] in ['-f', '--filter']:
        check_sudo()
    last_update_time = get_last_update_time()
    server_regex = re.compile(r'Server = (.*)/(stable|testing|unstable)')
    with open(MIRRORLIST_FILE, 'r') as f:
        lines = f.readlines()
        for i, line in enumerate(lines):
            match = server_regex.match(line)
            if match:
                mirror = match.group(1)
                try:
                    print(f'{mirror}: ', end='', flush=True)
                    mirror_req = requests.get(mirror + '/' + BRANCH + '/state', timeout=TIMEOUT)
                    mirror_req.raise_for_status()
                    mirror_time = get_time_from_state(mirror_req.text)
                    if mirror_time == last_update_time:
                        print(f'at {mirror_time} - in sync')
                    else:
                        print(f'at {mirror_time} - OUT OF SYNC')
                        if sys.argv[1] in ['-f', '--filter']:
                            print('Disabling mirror')
                            lines[i] = '#' + lines[i]
                except requests.exceptions.RequestException:
                    print(f'ERROR: Not reachable')
                    if sys.argv[1] in ['-f', '--filter']:
                        print('Disabling mirror')
                        lines[i] = '#' + lines[i]
    if sys.argv[1] in ['-f', '--filter'] and lines != None:
        with open(MIRRORLIST_FILE, 'w') as f:
            f.writelines(lines)
        
elif len(sys.argv) > 1 and sys.argv[1] in ['-r', '--revert']:
    check_sudo()
    with open(MIRRORLIST_FILE, 'r') as f:
        lines = f.readlines()
        for i, line in enumerate(lines):
            if line.startswith('#Server'):
                lines[i] = line[1:]
                print(f'Reverting {lines[i]}', end='')
    if lines != None:
        with open(MIRRORLIST_FILE, 'w') as f:
            f.writelines(lines)
else:
    show_help()