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matemat/package/release.py

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Python
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#!/usr/bin/env python3
from typing import Any, Dict, Optional, Tuple
import os
import sys
import json
import urllib.request
import http.client
from urllib.error import HTTPError
def parse_changelog(tag: str) -> Optional[str]:
release_changelog: str = ''
with open('CHANGELOG.md', 'r') as f:
in_target: bool = False
done: bool = False
for line in f.readlines():
if in_target:
if f'<!-- END RELEASE {tag} -->' in line:
done = True
break
release_changelog += line
elif f'<!-- BEGIN RELEASE {tag} -->' in line:
in_target = True
continue
if not done:
return None
return release_changelog
def fetch_single_shafile(url: str) -> str:
req = urllib.request.Request(url)
try:
resp: http.client.HTTPResponse = urllib.request.urlopen(req)
except HTTPError as e:
print(e.read().decode())
sys.exit(1)
resp_data: bytes = resp.readline()
shafile: str = resp_data.decode()
filename: str = shafile.strip().split(' ')[-1].strip()
return filename
def fetch_wheel_url(base_url: str) -> Optional[Tuple[str, str]]:
wheel_sha_url: str = f'{base_url}/dist/SHA256SUMS?job=build_wheel'
wheel_filename: str = fetch_single_shafile(wheel_sha_url)
wheel_url: str = f'{base_url}/dist/{wheel_filename}?job=build_wheel'
return wheel_url, wheel_sha_url
def fetch_debian_url(base_url: str) -> Optional[Tuple[str, str]]:
debian_sha_url: str = f'{base_url}/package/debian/SHA256SUMS?job=build_debian'
debian_filename: str = fetch_single_shafile(debian_sha_url)
debian_url: str = f'{base_url}/package/debian/{debian_filename}?job=build_debian'
return debian_url, debian_sha_url
def fetch_arch_url(base_url: str) -> Optional[Tuple[str, str]]:
arch_sha_url: str = f'{base_url}/package/archlinux/SHA256SUMS?job=build_archlinux'
arch_filename: str = fetch_single_shafile(arch_sha_url)
arch_url: str = f'{base_url}/package/archlinux/{arch_filename}?job=build_archlinux'
return arch_url, arch_sha_url
def main():
api_token: Optional[str] = os.getenv('GITLAB_API_TOKEN')
release_tag: Optional[str] = os.getenv('CI_COMMIT_TAG')
project_name: Optional[str] = os.getenv('CI_PROJECT_PATH')
project_id: Optional[str] = os.getenv('CI_PROJECT_ID')
if api_token is None:
print('GITLAB_API_TOKEN is not set.', file=sys.stderr)
sys.exit(1)
if release_tag is None:
print('CI_COMMIT_TAG is not set.', file=sys.stderr)
sys.exit(1)
if project_name is None:
print('CI_PROJECT_PATH is not set.', file=sys.stderr)
sys.exit(1)
if project_id is None:
print('CI_PROJECT_ID is not set.', file=sys.stderr)
sys.exit(1)
changelog: Optional[str] = parse_changelog(release_tag)
if changelog is None:
print('Changelog could not be parsed.', file=sys.stderr)
sys.exit(1)
base_url: str = f'https://gitlab.com/{project_name}/-/jobs/artifacts/{release_tag}/raw'
wheel_url, wheel_sha_url = fetch_wheel_url(base_url)
debian_url, debian_sha_url = fetch_wheel_url(base_url)
arch_url, arch_sha_url = fetch_wheel_url(base_url)
augmented_changelog = f'''{changelog.strip()}
### Download
- [Python Wheel]({wheel_url}) ([sha256]({wheel_sha_url}))
- [Debian Package]({debian_url}) ([sha256]({debian_sha_url}))
- [Arch Linux Package]({arch_url}) ([sha256]({arch_sha_url}))'''
encoder = json.encoder.JSONEncoder()
decoder = json.decoder.JSONDecoder()
post_body: str = encoder.encode({'description': augmented_changelog})
gitlab_release_api_url: str = \
f'https://gitlab.com/api/v4/projects/{project_id}/repository/tags/{release_tag}/release'
headers: Dict[str, str] = {
'Private-Token': api_token
}
request = urllib.request.Request(
gitlab_release_api_url,
post_body.encode('utf-8'),
headers=headers,
method='POST'
)
try:
response: http.client.HTTPResponse = urllib.request.urlopen(request)
except HTTPError as e:
print(e.read().decode())
sys.exit(1)
response_bytes: bytes = response.read()
response_str: str = response_bytes.decode()
response_data: Dict[str, Any] = decoder.decode(response_str)
if response_data['tag_name'] != release_tag:
print('Something went wrong...', file=sys.stderr)
print(response_str, file=sys.stderr)
sys.exit(1)
print(response_data['description'])
if __name__ == '__main__':
main()