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import json
import re
import sys
import subprocess
import urllib.request
from typing import Iterable, Optional, Tuple
from urllib.request import urlopen
from datetime import datetime
# Number of spaces used for each indentation level
JSON_INDENT = 4
releases_json = None
# Releases that have reached end-of-life no longer receive any updates
# and it is rather pointless trying to update those.
#
# https://endoflife.date/electron
def supported_version_range() -> range:
"""Returns a range of electron releases that have not reached end-of-life yet"""
global releases_json
if releases_json is None:
releases_json = json.loads(
urlopen("https://endoflife.date/api/electron.json").read()
)
supported_releases = [
int(x["cycle"])
for x in releases_json
if x["eol"] == False
or datetime.strptime(x["eol"], "%Y-%m-%d") > datetime.today()
]
return range(
min(supported_releases), # incl.
# We have also packaged the beta release in nixpkgs,
# but it is not tracked by endoflife.date
max(supported_releases) + 2, # excl.
1,
)
def get_latest_version(major_version: str) -> Tuple[str, str]:
"""Returns the latest version for a given major version"""
electron_releases: dict = json.loads(
urlopen("https://releases.electronjs.org/releases.json").read()
)
major_version_releases = filter(
lambda item: item["version"].startswith(f"{major_version}."), electron_releases
)
m = max(major_version_releases, key=lambda item: item["date"])
rev = f"v{m['version']}"
return (m, rev)
def load_info_json(path: str) -> dict:
"""Load the contents of a JSON file
Args:
path: The path to the JSON file
Returns: An empty dict if the path does not exist, otherwise the contents of the JSON file.
"""
try:
with open(path, "r") as f:
return json.loads(f.read())
except:
return {}
def save_info_json(path: str, content: dict) -> None:
"""Saves the given info to a JSON file
Args:
path: The path where the info should be saved
content: The content to be saved as JSON.
"""
with open(path, "w") as f:
f.write(json.dumps(content, indent=JSON_INDENT, default=vars, sort_keys=True))
f.write("\n")
def parse_cve_numbers(tag_name: str) -> Iterable[str]:
"""Returns mentioned CVE numbers from a given release tag"""
cve_pattern = r"CVE-\d{4}-\d+"
url = f"https://api.github.com/repos/electron/electron/releases/tags/{tag_name}"
headers = {
"Accept": "application/vnd.github+json",
"X-GitHub-Api-Version": "2022-11-28",
}
request = urllib.request.Request(url=url, headers=headers)
release_note = ""
try:
with urlopen(request) as response:
release_note = json.loads(response.read().decode("utf-8"))["body"]
except:
print(
f"WARN: Fetching release note for {tag_name} from GitHub failed!",
file=sys.stderr,
)
return sorted(re.findall(cve_pattern, release_note))
def commit_result(
package_name: str, old_version: Optional[str], new_version: str, path: str
) -> None:
"""Creates a git commit with a short description of the change
Args:
package_name: The package name, e.g. `electron-source.electron-{major_version}`
or `electron_{major_version}-bin`
old_version: Version number before the update.
Can be left empty when initializing a new release.
new_version: Version number after the update.
path: Path to the lockfile to be committed
"""
assert (
isinstance(package_name, str) and len(package_name) > 0
), "Argument `package_name` cannot be empty"
assert (
isinstance(new_version, str) and len(new_version) > 0
), "Argument `new_version` cannot be empty"
if old_version != new_version:
major_version = new_version.split(".")[0]
cve_fixes_text = "\n".join(
list(
map(lambda cve: f"- Fixes {cve}", parse_cve_numbers(f"v{new_version}"))
)
)
init_msg = f"init at {new_version}"
update_msg = f"{old_version} -> {new_version}"
diff = (
f"- Diff: https://github.com/electron/electron/compare/refs/tags/v{old_version}...v{new_version}\n"
if old_version != None
else ""
)
commit_message = f"""{package_name}: {update_msg if old_version != None else init_msg}
- Changelog: https://github.com/electron/electron/releases/tag/v{new_version}
{diff}{cve_fixes_text}
"""
subprocess.run(
[
"git",
"add",
path,
]
)
subprocess.run(
[
"git",
"commit",
"-m",
commit_message,
]
)
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