diff options
Diffstat (limited to 'nixpkgs/pkgs/desktops/gnome-3/find-latest-version.py')
| -rw-r--r-- | nixpkgs/pkgs/desktops/gnome-3/find-latest-version.py | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/nixpkgs/pkgs/desktops/gnome-3/find-latest-version.py b/nixpkgs/pkgs/desktops/gnome-3/find-latest-version.py index b0359f799699..ad80af24bcb8 100644 --- a/nixpkgs/pkgs/desktops/gnome-3/find-latest-version.py +++ b/nixpkgs/pkgs/desktops/gnome-3/find-latest-version.py @@ -1,10 +1,13 @@ import argparse +import math import json import requests import sys + def version_to_list(version): - return list(map(int, version.split('.'))) + return list(map(int, version.split("."))) + def odd_unstable(version_str, selected): version = version_to_list(version_str) @@ -14,47 +17,58 @@ def odd_unstable(version_str, selected): even = version[1] % 2 == 0 prerelease = (version[1] >= 90 and version[1] < 100) or (version[1] >= 900 and version[1] < 1000) stable = even and not prerelease - if selected == 'stable': + if selected == "stable": return stable else: return True + def no_policy(version, selected): return True + version_policies = { - 'odd-unstable': odd_unstable, - 'none': no_policy, + "odd-unstable": odd_unstable, + "none": no_policy, } -def make_version_policy(version_predicate, selected): - return lambda version: version_predicate(version, selected) -parser = argparse.ArgumentParser(description='Find latest version for a GNOME package by crawling their release server.') -parser.add_argument('package-name', help='Name of the directory in https://ftp.gnome.org/pub/GNOME/sources/ containing the package.') -parser.add_argument('version-policy', help='Policy determining which versions are considered stable. For most GNOME packages, odd minor versions are unstable but there are exceptions.', choices=version_policies.keys(), nargs='?', default='odd-unstable') -parser.add_argument('requested-release', help='Most of the time, we will want to update to stable version but sometimes it is useful to test.', choices=['stable', 'unstable'], nargs='?', default='stable') +def make_version_policy(version_predicate, selected, upper_bound): + if not upper_bound: + upper_bound = [math.inf, math.inf] + else: + upper_bound = version_to_list(upper_bound) + + return lambda version: version_predicate(version, selected) and version_to_list(version) < upper_bound + + +parser = argparse.ArgumentParser(description="Find latest version for a GNOME package by crawling their release server.") +parser.add_argument("package-name", help="Name of the directory in https://ftp.gnome.org/pub/GNOME/sources/ containing the package.") +parser.add_argument("version-policy", help="Policy determining which versions are considered stable. For most GNOME packages, odd minor versions are unstable but there are exceptions.", choices=version_policies.keys(), nargs="?", default="odd-unstable") +parser.add_argument("requested-release", help="Most of the time, we will want to update to stable version but sometimes it is useful to test.", choices=["stable", "unstable"], nargs="?", default="stable") +parser.add_argument("--upper-bound", dest="upper-bound", help="Only look for versions older than this one (useful for pinning dependencies).") -if __name__ == '__main__': +if __name__ == "__main__": args = parser.parse_args() - package_name = getattr(args, 'package-name') - requested_release = getattr(args, 'requested-release') - version_predicate = version_policies[getattr(args, 'version-policy')] - version_policy = make_version_policy(version_predicate, requested_release) + package_name = getattr(args, "package-name") + requested_release = getattr(args, "requested-release") + upper_bound = getattr(args, "upper-bound") + version_predicate = version_policies[getattr(args, "version-policy")] + version_policy = make_version_policy(version_predicate, requested_release, upper_bound) # The structure of cache.json: https://gitlab.gnome.org/Infrastructure/sysadmin-bin/blob/master/ftpadmin#L762 - cache = json.loads(requests.get('https://ftp.gnome.org/pub/GNOME/sources/{}/cache.json'.format(package_name)).text) + cache = json.loads(requests.get(f"https://ftp.gnome.org/pub/GNOME/sources/{package_name}/cache.json").text) if type(cache) != list or cache[0] != 4: - print('Unknown format of cache.json file.', file=sys.stderr) + print("Unknown format of cache.json file.", file=sys.stderr) sys.exit(1) versions = cache[2][package_name] versions = sorted(filter(version_policy, versions), key=version_to_list) if len(versions) == 0: - print('No versions matched.', file=sys.stderr) + print("No versions matched.", file=sys.stderr) sys.exit(1) print(versions[-1]) |