ceph-csi/scripts/get_github_labels.py

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#!/usr/bin/python
'''
Fetches the labels of an Issue or Pull-Request from GitHub.
Parameters:
--id=<id>: the number of the the GitHub Issue or Pull-Request
--has-label=<label>: label to check (exit 0 if set, 1 unset), without
--has-label, all labels of the Issue or Pull-Request
get printed.
'''
import argparse
import sys
import requests
LABEL_URL_FMT = 'https://api.github.com/repos/ceph/ceph-csi/issues/%s/labels'
'''
Formatted URL for fetching the labels, replace '%s' with the number of the
Issue or Pull-Request.
'''
def get_json_labels(gh_id):
'''
Fetch the labels from GitHub, return the full JSON structures that were
obtained. These include several ID's, color, decription, name and more.
'''
url = LABEL_URL_FMT % gh_id
headers = {'Accept': 'application/vnd.github.v3+json'}
res = requests.get(url, headers=headers)
return res.json()
def get_names(gh_labels):
'''
Take the JSON formatted labels, and return a list of the name for each label.
'''
names = list()
for label in gh_labels:
names.append(label['name'])
return names
def main():
'''
main() function to parse arguments and run the actions.
'''
parser = argparse.ArgumentParser()
parser.add_argument('--id', type=int, required=True, help='ID of the Issue or Pull-Request')
parser.add_argument('--has-label', help='check if the Issue or Pull-Request has the label set')
args = parser.parse_args()
# get the labels for the issue
json = get_json_labels(args.id)
names = get_names(json)
# in case --has-label is passed, exit with 0 or 1
if args.has_label:
if args.has_label in names:
sys.exit(0)
else:
sys.exit(1)
# --has-label was not passed, list all labels
else:
for name in names:
print(name)
sys.exit(0)
if __name__ == '__main__':
main()