chore: vendor sglang v0.5.10 snapshot
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183
third_party/sglang/scripts/update_pr_whl_index.py
vendored
Executable file
183
third_party/sglang/scripts/update_pr_whl_index.py
vendored
Executable file
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#!/usr/bin/env python3
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"""
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Update the wheel index for PR SGLang releases.
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This script generates a single PyPI-compatible index.html file at pr/index.html
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containing all PR builds, ordered by PR number and commit count (newest first).
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Similar to update_nightly_whl_index.py but for PR builds.
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"""
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import argparse
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import hashlib
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import pathlib
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import re
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def compute_sha256(file_path: pathlib.Path) -> str:
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"""Compute SHA256 hash of a file."""
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sha256_hash = hashlib.sha256()
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with open(file_path, "rb") as f:
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for byte_block in iter(lambda: f.read(4096), b""):
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sha256_hash.update(byte_block)
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return sha256_hash.hexdigest()
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def update_wheel_index(
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pr_number: str, commit_hash: str, wheel_version: str, build_date: str
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):
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"""Update the wheel index for PR releases.
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Creates a single index at pr/index.html containing all PR builds.
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Args:
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pr_number: PR number (e.g., '123')
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commit_hash: Short git commit hash (e.g., 'c5f1e86')
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wheel_version: Full wheel version string (e.g., '0.5.6.dev7716+pr-123.gc5f1e86')
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build_date: Build date in YYYY-MM-DD format (e.g., '2025-12-13')
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"""
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dist_dir = pathlib.Path("dist")
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whl_repo_dir = pathlib.Path("sgl-whl")
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if not dist_dir.exists():
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print(f"Warning: {dist_dir} does not exist, skipping index update")
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return
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# Base URL for wheels stored in GitHub Releases
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base_url = "https://github.com/sgl-project/whl/releases/download"
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release_tag = f"pr-{pr_number}-{build_date}-{commit_hash}"
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# Create pr directory structure following PEP 503
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# /pr/index.html -> links to sglang/
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# /pr/sglang/index.html -> contains wheel links
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pr_dir = whl_repo_dir / "pr"
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pr_dir.mkdir(parents=True, exist_ok=True)
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sglang_dir = pr_dir / "sglang"
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sglang_dir.mkdir(parents=True, exist_ok=True)
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root_index = pr_dir / "index.html"
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package_index = sglang_dir / "index.html"
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print(f"\nUpdating PR wheel index")
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print(f" Root index: {root_index}")
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print(f" Package index: {package_index}")
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# Read existing package index if it exists
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existing_links = []
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if package_index.exists():
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with open(package_index, "r") as f:
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content = f.read()
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# Extract existing links (skip header and HTML boilerplate)
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existing_links = [
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line for line in content.split("\n") if line.startswith("<a href=")
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]
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# Generate new links for current wheels
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new_links = []
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for wheel_path in sorted(dist_dir.glob("*.whl")):
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try:
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filename = wheel_path.name
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sha256 = compute_sha256(wheel_path)
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# URL format: {base_url}/{release_tag}/{filename}#sha256={hash}
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wheel_url = f"{base_url}/{release_tag}/{filename}#sha256={sha256}"
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link = f'<a href="{wheel_url}">{filename}</a><br>'
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new_links.append(link)
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print(f" Added: {filename}")
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except Exception as e:
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print(f" Error processing {wheel_path.name}: {e}")
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continue
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if not new_links:
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print(" No new wheels to add")
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return
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# Combine existing and new links (new links first for latest)
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all_links = new_links + existing_links
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# Remove duplicates while preserving order (newer first)
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seen = set()
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unique_links = []
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for link in all_links:
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# Extract filename from link to check for duplicates
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filename_match = re.search(r">([^<]+\.whl)</a>", link)
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if filename_match:
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filename = filename_match.group(1)
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if filename not in seen:
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seen.add(filename)
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unique_links.append(link)
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# Write root index (links to sglang package directory)
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with open(root_index, "w") as f:
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f.write("<!DOCTYPE html>\n")
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f.write('<a href="sglang/">sglang</a>\n')
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print(f" Written root index: {root_index}")
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# Write package index in minimal format
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with open(package_index, "w") as f:
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f.write("<!DOCTYPE html>\n")
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f.write("<h1>SGLang PR Wheels</h1>\n")
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# Write links only
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f.write("\n".join(unique_links))
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f.write("\n")
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print(f" Written {len(unique_links)} total wheels to {package_index}")
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print(f"\nDone! Users can install with:")
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print(
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f" pip install sglang --pre --extra-index-url https://sgl-project.github.io/whl/pr/"
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)
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print(f"\nOr install specific PR #{pr_number} wheel directly:")
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if new_links:
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first_wheel_match = re.search(r'href="([^"]+)"', new_links[0])
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if first_wheel_match:
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wheel_url = first_wheel_match.group(1).split("#")[0] # Remove sha256 hash
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print(f" pip install {wheel_url}")
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def main():
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parser = argparse.ArgumentParser(
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description="Update wheel index for PR SGLang releases"
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)
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parser.add_argument(
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"--pr-number",
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type=str,
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required=True,
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help="PR number (e.g., '123')",
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)
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parser.add_argument(
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"--commit-hash",
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type=str,
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required=True,
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help="Short git commit hash (e.g., 'c5f1e86')",
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)
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parser.add_argument(
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"--wheel-version",
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type=str,
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required=True,
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help="Full wheel version string (e.g., '0.5.6.dev7716+pr-123.gc5f1e86')",
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)
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parser.add_argument(
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"--build-date",
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type=str,
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required=True,
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help="Build date in YYYY-MM-DD format (e.g., '2025-12-13')",
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)
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args = parser.parse_args()
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print(f"Updating PR wheel index")
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print(f" PR: #{args.pr_number}")
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print(f" Commit: {args.commit_hash}")
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print(f" Version: {args.wheel_version}")
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print(f" Build date: {args.build_date}")
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update_wheel_index(
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args.pr_number, args.commit_hash, args.wheel_version, args.build_date
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)
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if __name__ == "__main__":
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main()
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