import json from os import getenv, path from pprint import pprint import sys import click # pylint: disable=import-error from dotenv import load_dotenv # pylint: disable=import-error import requests # pylint: disable=import-error env = load_dotenv() api_url = getenv('API_URL', default='https://api.github.com/graphql') github_token = getenv("GITHUB_TOKEN", default=None) if github_token is None: sys.exit("GitHub Token is not set." + "Please set the GITHUB_TOKEN env variable in your system or " + "the .env file of your project.") client_id = getenv('CLIENT_ID', default='copy_labels.py') headers = { 'Authorization': 'bearer {github_token}'.format(github_token=github_token), 'Accept': 'application/vnd.github.bane-preview+json', 'Content-Type': 'application/json' } def create_label(repo_id, label): """ Create label in the supplied repo. :param repo_id: Unique ID that represents the repo in GitHub :type repo_id: str :param label: Object with label information. :type label: dict :return: GitHub API request response """ query_variables = { "createLabelInput": { "color": label["color"], "description": label["description"], "name": label["name"], "repositoryId": repo_id } } with open(path.join(path.dirname(__file__), 'queries/create_label.gql'), 'r') as query_file: query = "".join(query_file.readlines()) payload = {"query": query, "variables": query_variables} response = requests.post(api_url, data=json.dumps(payload), headers=headers).json() print('Created label {label}'.format(label=label["name"])) return response def get_labels(owner, repo): """ Gets a list of labels from the supplied repo. :param owner: Repo owner GitHub login. :type owner: str :param repo: Repository name. :type repo: str :return: A tuple with the GitHub id for the repository and a list of labels defined in the repository """ query_variables = { "owner": owner, "name": repo, } with open(path.join(path.dirname(__file__), 'queries/get_repo_data.gql'), 'r') as query_file: query = "".join(query_file.readlines()) payload = {"query": query, "variables": query_variables} response = requests.post(api_url, data=json.dumps(payload), headers=headers) status_code = response.status_code result = response.json() if status_code >= 200 and status_code <= 300: repo_id = result["data"]["repository"]["id"] labels = result["data"]["repository"]["labels"]["nodes"] return repo_id, labels else: raise Exception( '[ERROR] getting issue labels. Status Code: {status_code} - Message: {result}'.format( status_code=status_code, result=result["message"])) def delete_label(label_id): """ Delete the specified label :param label_id: Label's node id. :type label_id: str :return: GitHub API request response. """ query_variables = { "deleteLabelInput": { "clientMutationId": client_id, "id": label_id, } } with open(path.join(path.dirname(__file__), 'queries/delete_label.gql'), 'r') as query_file: query = "".join(query_file.readlines()) payload = {"query": query, "variables": query_variables} result = requests.post(api_url, data=json.dumps(payload), headers=headers).json() return result @click.command() @click.option('--dry', is_flag=True) @click.argument('source_repo') @click.argument('target_repo') def copy_labels(source_repo, target_repo, dry): """ Copy labels from the source repository to the target repository. \f :param source: The full name of a GitHub repo from where the labels will be copied from. Eg. github/opensourcefriday :type source: str :param target: The full name of a GitHub repo to where the labels will be copied. Eg. github/opensourcefriday :type target: str :return: """ source_owner, source_repo_name = source_repo.split("/") target_owner, target_repo_name = target_repo.split("/") try: print('Fetching labels for {source_repo_name} repo.'.format(source_repo_name=source_repo_name)) _, source_repo_labels = get_labels(source_owner, source_repo_name) print('Fetched labels for {source_repo_name}'.format(source_repo_name=source_repo_name)) print('Fetching labels for {target_repo_name} repo.'.format(target_repo_name=target_repo_name)) target_repo_id, target_repo_labels = get_labels(target_owner, target_repo_name) print('Fetched labels for {target_repo_name}'.format(target_repo_name=target_repo_name)) filtered_labels = list(filter(lambda x: x not in target_repo_labels, source_repo_labels)) if dry: print('This is just a dry run. No labels will be copied/created.') print('{label_count} labels would have been created.'.format(label_count=len(filtered_labels))) pprint(filtered_labels, indent=4) else: print('Preparing to created {label_count} labels in {target_repo}'.format( label_count=len(filtered_labels), target_repo=target_repo)) for label in filtered_labels: create_label(target_repo_id, label) except Exception as error: sys.exit(error) print('Done') if __name__ == "__main__": # Pylint doesn't know that @click.command takes care of injecting the # function parameters. Disabling Pylint error. copy_labels() # pylint: disable=no-value-for-parameter