nixpkgs-suyu/pkgs/tools/wayland/swaytools/update.py
2022-02-18 20:51:33 -03:00

58 lines
1.8 KiB
Python
Executable file

#!/usr/bin/env nix-shell
#!nix-shell -i python -p python39Packages.requests python39Packages.pip python39Packages.packaging
import requests
import json
import subprocess
try:
from packaging.version import parse
except ImportError:
from pip._vendor.packaging.version import parse
URL_PATTERN = 'https://pypi.python.org/pypi/{package}/json'
def findLine(key,derivation):
count = 0
lines = []
for line in derivation:
if key in line:
lines.append(count)
count += 1
return lines
def get_version(package, url_pattern=URL_PATTERN):
"""Return version of package on pypi.python.org using json."""
req = requests.get(url_pattern.format(package=package))
version = parse('0')
if req.status_code == requests.codes.ok:
j = json.loads(req.text.encode(req.encoding))
releases = j.get('releases', [])
for release in releases:
ver = parse(release)
if not ver.is_prerelease:
if ver > version:
version = ver
sha256 = j["releases"][release][-1]["digests"]["sha256"]
return version, sha256
if __name__ == '__main__':
nixpkgs = subprocess.check_output(["git", "rev-parse", "--show-toplevel"]).decode("utf-8").strip('\n')
swaytoolsFolder = "/pkgs/tools/wayland/swaytools/"
with open(nixpkgs + swaytoolsFolder + "default.nix", 'r') as arq:
derivation = arq.readlines()
version, sha256 = get_version('swaytools')
key = "version = "
line = findLine(key,derivation)[0]
derivation[line] = f' version = "{version}";\n'
key = "sha256 = "
line = findLine(key,derivation)[0]
derivation[line] = f' sha256 = "{sha256}";\n'
with open(nixpkgs + swaytoolsFolder + "default.nix", 'w') as arq:
arq.writelines(derivation)