A simple Python script to migrate your GitHub organisations to Gitea.

github-to-gitea.py

import requests

GITHUB_SRC_ORG = "ORGANISATION NAME ON GITHUB"
GITHUB_USERNAME = "YOUR GITHUB USERNAME"
GITHUB_TOKEN = "YOUR GITHUB PERSONAL ACCESS TOKEN"
GITEA_API_TOKEN = "YOUR GITEA PERSONAL ACCESS TOKEN"
GITEA_URL = "https://try.gitea.io"
GITEA_TARGET_ORG = "ORGANISATION NAME ON GITEA"
IS_PRIVATE = True

gitea_post_object = {
    "auth_token": GITHUB_TOKEN,
    "mirror": True,
    "mirror_interval": "18h",
    "private": IS_PRIVATE,
    "repo_owner": GITEA_TARGET_ORG,
    "service": "github",
    "wiki": True,
}
gitea_header_object = {
    "Authorization": f"token {GITEA_API_TOKEN}"
}

def main():
    github_repo_list = populate_github()
    create_gitea_repos(github_repo_list)

def populate_github():
    repo_list = []
    i = 1
    while True:
        current_request = requests.get(f"https://api.github.com/users/{GITHUB_SRC_ORG}/repos?page={i}", auth=(GITHUB_USERNAME, GITHUB_TOKEN))
        if current_request.status_code == 200:
            if len(current_request.json()) == 0:
                break
            else:
                repo_list = repo_list + current_request.json()
                print(f"Requesting page {i}")
                i += 1
        else:
            print(current_request.status_code)
            break
    return repo_list

def create_gitea_repos(github_repo_list):
    for repo in github_repo_list:
        repo_post_object = gitea_post_object.copy()
        repo_post_object["clone_addr"] = repo["clone_url"]
        if repo["description"] is not None:
            repo_post_object["description"] = repo["description"]
        repo_post_object["repo_name"] = repo["name"]
        current_request = requests.post(f"{GITEA_URL}/api/v1/repos/migrate", data=repo_post_object, headers=gitea_header_object)
        print(f"Creating repo {repo['full_name']} with request code {current_request.status_code}")
        if current_request.status_code != 201 and current_request.status_code != 504:
            print(current_request.text)

if __name__ == "__main__":
    main()