gitlab-to-gitea/gitlab-to-gitea.py

import gitea
import gitlab

import yaml


def getGiteaClient():
    with open("/home/dorian/.config/tea/config.yml", "r") as stream:
        teaConfig = yaml.safe_load(stream)
        login = teaConfig['logins'][0]

        conf = gitea.Configuration()
        conf.host = f"{login['url']}/api/v1"
        #conf.username = login['user']
        conf.api_key = {"access_token": login['token']}
        return gitea.ApiClient(conf)


def getGitlabClient():
    with open("./gitlab-config.yml", "r") as stream:
        gitlabConfig = yaml.safe_load(stream)
        return gitlab.Gitlab(url=gitlabConfig['url'], private_token=gitlabConfig['private_token'])


giteaClient = getGiteaClient()
repositoryApi = gitea.api.RepositoryApi(giteaClient)
userApi = gitea.api.UserApi(giteaClient)
organizationApi = gitea.api.OrganizationApi(giteaClient)
currentUser = userApi.user_get_current()

gitlabClient = getGitlabClient()

# migrate repos
reposToMigrate = []

print("Loading repositories from Gitlab ...")
#projects = gitlabClient.projects.list(
#    search_namespaces=True, search="max", iterator=True)
user = gitlabClient.users.list(username='fenoglio')[0]
projects = user.projects.list()

for project in projects:
    #print(project)
    #print(project.namespace['path'], project.name, project.visibility, project.http_url_to_repo)
    namespace = project.namespace
    if namespace['kind'] == 'group':
        try:
            organizationApi.org_get(namespace['path'])
        except gitea.rest.ApiException as e:
            if e.status == 404:
                # create organization!
                group = gitlabClient.groups.get(namespace['path'])
                #print(group)
                organizationApi.org_create({
                    "full_name": namespace['name'],
                    "username": namespace['path'],
                    "description": group.description,
                    "visibility": "public"
                })
                pass
            else:
                raise e

    migration = {
        'auth_token': gitlabClient.private_token,
        'auth_username': "dorian",
        'clone_addr': project.http_url_to_repo,
        'issues': True,
        'labels': True,
        'milestones': True,
        'private': project.visibility == "private",
        'pull_requests': True,
        'releases': True,
        'repo_name': project.path,
        'service': "gitlab",
        'wiki': True,
        'repo_owner': project.namespace['path']
        }

    reposToMigrate.append(migration)

for repo in reposToMigrate:
    try:
        existingRepo = repositoryApi.repo_get(repo["repo_owner"], repo['repo_name'])
        skip = not existingRepo.empty
    except gitea.rest.ApiException as e:
        if e.status == 404:
            skip = False
        else:
            raise e
        

    print("Migrating", repo['clone_addr'], "to owner", repo["repo_owner"], "with name", repo['repo_name'], "[SKIPPED]" if skip else "")
    if skip:
        continue
    repositoryApi.repo_migrate(body=repo)