mirror of
https://github.com/boykopovar/AnyPS5.git
synced 2026-10-29 12:15:39 +00:00
236 lines
11 KiB
Python
236 lines
11 KiB
Python
import argparse
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import hashlib
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import io
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import json
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import os
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from pathlib import Path
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import sys
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import re
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import shutil
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import tempfile
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import urllib.request
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import zipfile
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from package_release import WEB_FILES
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ROOT = Path(__file__).resolve().parent.parent
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MAX_EXPANDED_BYTES = 512 * 1024 * 1024
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def copy_sources(output):
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source = ROOT / "demo/web"
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for file in source.iterdir():
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if file.is_file():
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shutil.copy2(file, output / file.name)
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(output / ".nojekyll").touch()
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def request(url):
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headers = {"User-Agent": "AnyPS5-Pages"}
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token = os.environ.get("GITHUB_TOKEN")
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if token and url.startswith("https://api.github.com/"):
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headers["Authorization"] = f"Bearer {token}"
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return urllib.request.urlopen(urllib.request.Request(url, headers=headers), timeout=60)
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def release_metadata(release):
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if not isinstance(release, dict):
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raise ValueError("release metadata must be a JSON object")
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for field in ("tag_name", "html_url"):
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if not isinstance(release.get(field), str) or not release[field]:
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raise ValueError(f"release metadata {field} must be nonempty text")
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assets = release.get("assets")
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if not isinstance(assets, list) or any(not isinstance(asset, dict) or not isinstance(asset.get("name"), str)
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or not asset["name"] for asset in assets):
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raise ValueError("release metadata assets must be a list of named asset objects")
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return release
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def asset_metadata(asset, maximum):
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name = asset["name"]
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if type(asset.get("size")) is not int or not 0 < asset["size"] <= maximum:
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raise ValueError(f"Invalid release asset {name}: archive size must be a positive integer no greater than {maximum}")
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if not isinstance(asset.get("browser_download_url"), str) or not asset["browser_download_url"]:
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raise ValueError(f"Invalid release asset {name}: browser_download_url must be nonempty text")
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if asset.get("digest") is not None and not isinstance(asset["digest"], str):
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raise ValueError(f"Invalid release asset {name}: digest must be text or null")
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return asset
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def library_assets(release):
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assets = {}
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for platform in ("windows", "linux"):
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name = f"prx-{platform}-{release['tag_name']}.zip"
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matches = [asset for asset in release["assets"] if asset["name"] == name]
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if len(matches) != 1:
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raise ValueError(f"Missing or ambiguous release asset: {name}")
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assets[platform] = asset_metadata(matches[0], 512 * 1024 * 1024)
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return assets
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def publish_libraries(output, release=None):
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if release is None:
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with request("https://api.github.com/repos/boykopovar/AnyPS5/releases/latest") as response:
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release = json.load(response)
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release = release_metadata(release)
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tag = release["tag_name"]
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if not re.fullmatch(r"v[0-9A-Za-z][0-9A-Za-z._-]*", tag):
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raise ValueError("Invalid release tag")
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manifest = {"tag": tag, "url": release["html_url"], "platforms": {}}
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assets = library_assets(release)
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destination = output / "libraries"
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destination.mkdir(exist_ok=True)
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for platform in ("windows", "linux"):
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asset = assets[platform]
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temporary = destination / f"{platform}.download"
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try:
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digest = hashlib.sha256()
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size = 0
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with request(asset["browser_download_url"]) as response, temporary.open("wb") as target:
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while chunk := response.read(1024 * 1024):
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size += len(chunk)
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if size > asset["size"] or size > 512 * 1024 * 1024:
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raise ValueError("Release archive exceeds expected size")
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digest.update(chunk)
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target.write(chunk)
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if size != asset["size"]:
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raise ValueError("Incomplete release archive")
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checksum = digest.hexdigest()
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if asset.get("digest") and asset["digest"] != "sha256:" + checksum:
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raise ValueError("Release archive checksum mismatch")
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with zipfile.ZipFile(temporary) as archive:
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files = archive.infolist()
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if not files or len(files) > 4096:
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raise ValueError("Invalid library archive")
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if any(file.flag_bits & 1 for file in files):
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raise ValueError(f"Encrypted release archive {asset['name']} is not supported")
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names = {}
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for file in files:
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if (file.orig_filename != file.filename or not file.filename.startswith("libs/")
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or any(part in ("..", ".", "") for part in file.filename.rstrip("/").split("/")) or "\\" in file.filename):
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raise ValueError("Invalid library archive layout")
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name = file.filename.rstrip("/").lower()
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if name in names:
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raise ValueError(f"Duplicate library archive path: {file.filename}")
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names[name] = file.is_dir()
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for name in names:
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parts = name.split("/")
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if any(names.get("/".join(parts[:index])) is False for index in range(1, len(parts))):
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raise ValueError(f"Library archive file is also used as a directory: {name}")
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expanded = sum(file.file_size for file in files)
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if expanded > MAX_EXPANDED_BYTES:
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raise ValueError("Release archive exceeds maximum expanded size")
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corrupt = archive.testzip()
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if corrupt:
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raise ValueError(f"Corrupt release entry: {corrupt}")
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path = f"libraries/{platform}-{checksum}.zip"
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temporary.replace(output / path)
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manifest["platforms"][platform] = {"path": path, "size": size, "expandedBytes": expanded, "sha256": checksum}
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except (zipfile.BadZipFile, NotImplementedError) as error:
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raise ValueError(f"Invalid release archive {asset['name']}: {error}") from error
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finally:
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temporary.unlink(missing_ok=True)
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(output / "release.json").write_text(json.dumps(manifest, indent=2) + "\n", encoding="utf-8")
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print(f"Published library assets from {tag}")
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def publish_release(output):
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with request("https://api.github.com/repos/boykopovar/AnyPS5/releases/latest") as response:
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release = json.load(response)
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release = release_metadata(release)
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tag = release["tag_name"]
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if not re.fullmatch(r"v[0-9A-Za-z][0-9A-Za-z._-]*", tag) or tag.endswith("."):
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raise ValueError("Invalid release tag")
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name = f"web-{tag}.zip"
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matches = [asset for asset in release["assets"] if asset["name"] == name]
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if len(matches) != 1:
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raise ValueError(f"Missing or ambiguous release asset: {name}; publish a release with the web converter")
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asset = asset_metadata(matches[0], 128 * 1024 * 1024)
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library_assets(release)
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with request(asset["browser_download_url"]) as response:
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data = response.read(asset["size"] + 1)
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if len(data) != asset["size"]:
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raise ValueError("Incomplete or oversized web release archive")
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checksum = hashlib.sha256(data).hexdigest()
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if asset.get("digest") and asset["digest"] != "sha256:" + checksum:
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raise ValueError("Web release archive checksum mismatch")
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if output.is_symlink() or (output.exists() and not output.is_dir()):
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raise ValueError(f"Release output is not a directory: {output}")
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output.parent.mkdir(parents=True, exist_ok=True)
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temporary = Path(tempfile.mkdtemp(prefix=".web-release-", dir=output.parent))
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staging = temporary / "site"
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previous = temporary / "previous"
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published = False
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try:
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staging.mkdir()
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with zipfile.ZipFile(io.BytesIO(data)) as archive:
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files = archive.infolist()
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expected = {*WEB_FILES, "web-release.json"}
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if len(files) != len(expected) or {file.filename for file in files} != expected:
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raise ValueError("Invalid web release archive layout")
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if any(file.flag_bits & 1 for file in files):
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raise ValueError(f"Encrypted release archive {asset['name']} is not supported")
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if any(file.file_size == 0 for file in files) or sum(file.file_size for file in files) > 128 * 1024 * 1024:
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raise ValueError("Invalid expanded web release archive size")
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metadata = json.loads(archive.read("web-release.json"))
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if (not isinstance(metadata, dict) or metadata.get("tag") != tag
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or not isinstance(metadata.get("revision"), str)
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or not re.fullmatch(r"[0-9a-f]{40}", metadata["revision"])):
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raise ValueError("Web converter does not match the selected release")
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for file in files:
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target = staging / file.filename
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target.parent.mkdir(parents=True, exist_ok=True)
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target.write_bytes(archive.read(file))
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publish_libraries(staging, release)
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manifest = json.loads((staging / "release.json").read_text(encoding="utf-8-sig"))
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manifest["revision"] = metadata["revision"]
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(staging / "release.json").write_text(json.dumps(manifest, indent=2) + "\n", encoding="utf-8")
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(staging / ".nojekyll").touch()
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if output.exists():
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output.rename(previous)
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try:
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staging.rename(output)
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except OSError:
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if previous.exists():
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try:
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previous.rename(output)
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except OSError as error:
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raise RuntimeError(f"Could not restore release output. Previous site is preserved at {previous}") from error
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raise
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published = True
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except (zipfile.BadZipFile, NotImplementedError) as error:
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raise ValueError(f"Invalid release archive {asset['name']}: {error}") from error
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finally:
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if published or not previous.exists():
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shutil.rmtree(temporary)
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print(f"Published web converter and libraries from {tag} ({metadata['revision']})")
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def main(argv=None):
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for stream in (sys.stdout, sys.stderr):
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if hasattr(stream, "reconfigure"):
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stream.reconfigure(encoding="utf-8", errors="backslashreplace")
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parser = argparse.ArgumentParser()
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parser.add_argument("--build", type=Path, required=True)
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parser.add_argument("--release", "--libraries", dest="release", action="store_true",
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help="Download the matching converter and libraries from the latest release")
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args = parser.parse_args(argv)
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output = args.build.resolve() / "web"
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try:
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if args.release:
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publish_release(output)
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print(output)
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return 0
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for name in ("relinker_wasm.mjs", "relinker_wasm.wasm"):
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if not (output / "native" / name).is_file():
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parser.error(f"Build relinker_wasm first: missing {name}")
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copy_sources(output)
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print(output)
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return 0
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except (OSError, ValueError) as error:
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parser.error(str(error))
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if __name__ == "__main__":
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sys.exit(main())
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