initial commit

2026-09-21 13:41:40 +09:00
commit 855c7328df
411 changed files with 85352 additions and 0 deletions
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+"""Fetch only the fixed Linux GN, Clang and sysroot inputs for the isolated build."""
+from concurrent.futures import ThreadPoolExecutor
+import hashlib
+import json
+from pathlib import Path
+import time
+import urllib.request
+
+ROOT=Path(__file__).resolve().parents[2]
+
+
+def sha(path):
+    with path.open('rb') as stream: return hashlib.file_digest(stream,'sha256').hexdigest()
+
+
+def main():
+    pins=json.loads((ROOT/'tests/results/source-correspondence/pdfium/dependency-pins.json').read_text())
+    source=ROOT/'build-pdfium-intent/source'
+    clang=next(row for row in pins['root']['deps']['third_party/llvm-build/Release+Asserts']['objects']
+               if row['object_name'].startswith('Linux_x64/clang-llvmorg-'))
+    sysroot=json.loads((source/'build/linux/sysroot_scripts/sysroots.json').read_text())['bullseye_amd64']
+    gn_version=pins['root']['vars']['gn_version']
+    inputs=[{'name':'clang.tar.xz','url':'https://commondatastorage.googleapis.com/chromium-browser-clang/'+clang['object_name']+'?generation='+str(clang['generation']),
+             'expectedSha256':clang['sha256sum'],'expectedBytes':clang['size_bytes']},
+            {'name':'sysroot.tar.xz','url':sysroot['URL']+'/'+sysroot['Sha256Sum'],'expectedSha256':sysroot['Sha256Sum']},
+            {'name':'gn.zip','url':'https://chrome-infra-packages.appspot.com/dl/gn/gn/linux-amd64/+/'+gn_version,
+             'cipdPackage':'gn/gn/linux-amd64','cipdVersion':gn_version}]
+    cache=ROOT/'build-pdfium-intent/downloads'; cache.mkdir(parents=True,exist_ok=False)
+    def fetch(row):
+        path=cache/row['name']; total=0; started=time.monotonic()
+        with urllib.request.urlopen(row['url'],timeout=60) as response, path.open('xb') as stream:
+            content_length=response.headers.get('Content-Length')
+            if content_length: assert int(content_length)<=512*1024**2
+            for chunk in iter(lambda:response.read(1024*1024),b''):
+                total+=len(chunk)
+                assert total<=512*1024**2 and time.monotonic()-started<=600
+                stream.write(chunk)
+        digest=sha(path)
+        if 'expectedSha256' in row: assert row['expectedSha256']==digest
+        if 'expectedBytes' in row: assert row['expectedBytes']==total
+        print(row['name']+' '+str(total)+' bytes; SHA-256 '+digest,flush=True)
+        return {**row,'path':str(path.relative_to(ROOT)),'bytes':total,'sha256':digest}
+    with ThreadPoolExecutor(max_workers=3) as pool: rows=list(pool.map(fetch,inputs))
+    record={'success':True,'fetcherSha256':sha(Path(__file__)),'inputs':rows,
+            'scope':'Clang and sysroot checked against source-pinned SHA-256. GN fetched from the official CIPD fixed Git-revision selector; archive SHA-256 recorded. No downloaded executable or installer has been run.'}
+    (ROOT/'tests/results/pdfium-intent-build/tool-downloads.json').write_text(json.dumps(record,indent=2)+'\n')
+
+
+if __name__=='__main__':main()