This is a script used to check

jcenter_check.py

import os
import subprocess
import shlex
import argparse
import re
from pathlib import Path

bintray_repo = 'bintray.com/'
lib_gradle_kotlin_dsl = 'gradle-kotlin-dsl-plugins'
cached_marker = 'Cached resource'
build_environment = 'buildEnvironment'

CLI=argparse.ArgumentParser()

CLI.add_argument(
  "--task",
  nargs="?",
  type=str,
  default=build_environment,
)

CLI.add_argument(
  "--repos",
  nargs="*",
  type=str,
  default=[bintray_repo],
)

def run_check(command, repos):
    print("\n"+command+"\n")
    reposToUrls = dict() 
    for repoUrl in repos: 
        reposToUrls.setdefault(repoUrl, set())

    process = subprocess.Popen(shlex.split(command), stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    while(True):
        retcode = process.poll() 
        line = process.stdout.readline().decode('utf-8').rstrip("\n")
        if line.startswith(cached_marker):
            for repo in repos:
                 if repo in line:
                    url = re.search(r'(https?://\S+)', line).group()
                    reposToUrls[repo].add(url.rsplit('/', 1)[0])
        if retcode is not None:
            if retcode == 1:
                print ("\nError while executing gradle command. Please check that your arguement are correct\n")
            break
    
    return reposToUrls

if __name__ == "__main__":
    args = CLI.parse_args()
    print("\nChecking {0} for repos: {1}".format(args.task, args.repos) +"...")


    command = "./gradlew %r --info --refresh-dependencies" % args.task
    offendingLibs = run_check(command, args.repos)

    hasKotlinDsl = False

    for repo, libs in offendingLibs.items():
        print("Found " + str(len(libs)) + " repos(s) used by " + repo)
        for lib in libs:
            if (not hasKotlinDsl and lib_gradle_kotlin_dsl in lib):
                hasKotlinDsl = True
            print("    -  " + lib)
        print("\n")

    if (hasKotlinDsl):
        print("Please replace jcenter() with mavenCentral() buildSrc/build.gradle.kts file")