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#! /usr/bin/env python3
import argparse
from collections import defaultdict
from dataclasses import dataclass
import os
import subprocess
import sys
from typing import Optional
from github import Auth, Github
from python_appimage.commands.build.manylinux import execute as build_manylinux
from python_appimage.commands.list import execute as list_pythons
from python_appimage.utils.log import log
from python_appimage.utils.manylinux import format_appimage_name, format_tag
# Build matrix
ARCHS = ('x86_64', 'i686')
MANYLINUSES = ('1', '2010', '2014', '2_24', '2_28')
EXCLUDES = ('2_28_i686',)
# Build directory for AppImages
APPIMAGES_DIR = 'build-appimages'
@dataclass
class ReleaseMeta:
'''Metadata relative to a GitHub release
'''
tag: str
ref: Optional["github.GitRef"] = None
release: Optional["github.GitRelease"] = None
def message(self):
'''Returns release message'''
return f'Appimage distributions of {self.title()} (see `Assets` below)'
def title(self):
'''Returns release title'''
version = self.tag[6:]
return f'Python {version}'
@dataclass
class AssetMeta:
'''Metadata relative to a release Asset
'''
tag: str
abi: str
version: str
asset: Optional["github.GitReleaseAsset"] = None
@classmethod
def from_appimage(cls, name):
'''Returns an instance from a Python AppImage name
'''
tmp = name[6:-9]
tmp, tag = tmp.split('-manylinux', 1)
if tag.startswith('_'):
tag = tag[1:]
version, abi = tmp.split('-', 1)
return cls(
tag = tag,
abi = abi,
version = version
)
def appimage_name(self):
'''Returns Python AppImage name'''
return format_appimage_name(self.abi, self.version, self.tag)
def formated_tag(self):
'''Returns formated manylinux tag'''
return format_tag(self.tag)
def previous_version(self):
'''Returns previous version'''
if self.asset:
return self.asset.name[6:-9].split('-', 1)[0]
def release_tag(self):
'''Returns release git tag'''
version = self.version.rsplit('.', 1)[0]
return f'python{version}'
def update(args):
'''Update Python AppImage GitHub releases
'''
sha = args.sha
if sha is None:
sha = os.getenv('GITHUB_SHA')
if sha is None:
p = subprocess.run(
'git rev-parse HEAD',
shell = True,
capture_output = True,
check = True
)
sha = p.stdout.decode().strip()
# Connect to GitHub
token = args.token
if token is None:
# First, check for token in env
token = os.getenv('GITHUB_TOKEN')
if token is None:
# Else try to get a token from gh app
p = subprocess.run(
'gh auth token',
shell = True,
capture_output = True,
check = True
)
token = p.stdout.decode().strip()
auth = Auth.Token(token)
session = Github(auth=auth)
repo = session.get_repo('niess/python-appimage')
# Fetch currently released AppImages
log('FETCH', 'currently released AppImages')
releases = {}
assets = defaultdict(dict)
n_assets = 0
for release in repo.get_releases():
if release.tag_name.startswith('python'):
meta = ReleaseMeta(
tag = release.tag_name,
release = release
)
ref = repo.get_git_ref(f'tags/{meta.tag}')
if (ref.ref is not None) and (ref.object.sha != sha):
meta.ref = ref
releases[release.tag_name] = meta
for asset in release.get_assets():
if asset.name.endswith('.AppImage'):
n_assets += 1
meta = AssetMeta.from_appimage(asset.name)
assert(meta.release_tag() == release.tag_name)
meta.asset = asset
assets[meta.tag][meta.abi] = meta
n_releases = len(releases)
log('FETCH', f'found {n_assets} AppImages in {n_releases} releases')
# Look for updates.
new_releases = set()
new_assets = []
for manylinux in MANYLINUSES:
for arch in ARCHS:
tag = f'{manylinux}_{arch}'
if tag in EXCLUDES:
continue
pythons = list_pythons(tag)
for (abi, version) in pythons:
try:
meta = assets[tag][abi]
except KeyError:
meta = None
if (meta is None) or (meta.version != version) or args.all:
new_meta = AssetMeta(
tag = tag,
abi = abi,
version = version
)
if meta is not None:
new_meta.asset = meta.asset
new_assets.append(new_meta)
rtag = new_meta.release_tag()
if rtag not in releases:
new_releases.add(rtag)
if args.dry:
# Log foreseen changes and exit
for tag in new_releases:
meta = ReleaseMeta(tag)
log('DRY', f'new release for {meta.title()}')
for meta in new_assets:
log('DRY', f'create asset {meta.appimage_name()}')
if meta.asset is not None:
log('DRY', f'remove asset {meta.asset.name}')
for meta in releases.values():
if meta.ref is not None:
log('DRY', f'refs/tags/{meta.tag} -> {sha}')
if meta.release is not None:
log('DRY', f'reformat release for {meta.title()}')
if new_assets:
log('DRY', f'new update summary with {len(new_assets)} entries')
return
if new_assets:
# Build new AppImage(s)
cwd = os.getcwd()
os.makedirs(APPIMAGES_DIR, exist_ok=True)
try:
os.chdir(APPIMAGES_DIR)
for meta in new_assets:
build_manylinux(meta.tag, meta.abi)
finally:
os.chdir(cwd)
# Create any new release(s).
for tag in new_releases:
meta = ReleaseMeta(tag)
title = meta.title()
meta.release = repo.create_git_release(
tag = meta.tag,
name = title,
message = meta.message(),
prerelease = True
)
releases[tag] = meta
log('UPDATE', f'new release for {title}')
# Update assets.
update_summary = []
for meta in new_assets:
release = releases[meta.release_tag()].release
appimage = meta.appimage_name()
new_asset = release.upload_asset(
path = f'{APPIMAGES_DIR}/{appimage}',
name = appimage
)
if meta.asset:
meta.asset.delete_asset()
update_summary.append(
f'- update {meta.formated_tag()}/{meta.abi} '
f'{meta.previous_version()} -> {meta.version}'
)
else:
update_summary.append(
f'- add {meta.formated_tag()}/{meta.abi} {meta.version}'
)
meta.asset = new_asset
assets[meta.tag][meta.abi] = meta
# Update git tags SHA
for meta in releases.values():
if meta.ref is not None:
meta.ref.edit(
sha = sha,
force = True
)
log('UPDATE', f'refs/tags/{meta.tag} -> {sha}')
if meta.release is not None:
title = meta.title()
meta.release.update_release(
name = title,
message = meta.message(),
prerelease = True,
tag_name = meta.tag
)
log('UPDATE', f'reformat release for {title}')
# Generate update summary
if update_summary:
for release in repo.get_releases():
if release.tag_name == 'update-summary':
release.delete_release()
break
message = os.linesep.join(update_summary)
repo.create_git_release(
tag = 'update-summary',
name = 'Update summary',
message = message,
prerelease = True
)
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description = 'Update GitHub releases of Python AppImages'
)
parser.add_argument('-a', '--all',
help = 'force update of all available releases',
action = 'store_true',
default = False
)
parser.add_argument('-d', '--dry',
help = 'dry run (only log changes)',
action = 'store_true',
default = False
)
parser.add_argument("-s", "--sha",
help = "reference commit SHA"
)
parser.add_argument('-t', '--token',
help = 'GitHub authentication token'
)
args = parser.parse_args()
sys.argv = sys.argv[:1] # Empty args for fake call
update(args)