StrixOS/build
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "releasetools: Add common.ZipDelete()." am: 23f7ea9e70

Browse Source 
am: 2bc1b967c1

Change-Id: I83f428a689f970b6df5ee332115a8f5ee51b4fd1
This commit is contained in:
Tao Bao
2017-12-15 16:45:25 +00:00
committed by android-build-merger
parent db48a0fccc 2bc1b967c1
commit 30e4e2d154
4 changed files with 81 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
tools/releasetools/ota_from_target_files.py
View File

@@ -137,7 +137,6 @@ if sys.hexversion < 0x02070000:
print("Python 2.7 or newer is required.", file=sys.stderr)
sys.exit(1)
import copy
import multiprocessing
import os.path
import subprocess
@@ -1244,44 +1243,33 @@ def WriteABOTAPackageWithBrilloScript(target_file, output_file,
common.ZipClose(output_zip)
# SignOutput(), which in turn calls signapk.jar, will possibly reorder the
# zip entries, as well as padding the entry headers. We do a preliminary
# ZIP entries, as well as padding the entry headers. We do a preliminary
# signing (with an incomplete metadata entry) to allow that to happen. Then
# compute the zip entry offsets, write back the final metadata and do the
# compute the ZIP entry offsets, write back the final metadata and do the
# final signing.
prelim_signing = tempfile.NamedTemporaryFile()
SignOutput(temp_zip_file.name, prelim_signing.name)
prelim_signing = common.MakeTempFile(suffix='.zip')
SignOutput(temp_zip_file.name, prelim_signing)
common.ZipClose(temp_zip_file)
# Open the signed zip. Compute the final metadata that's needed for streaming.
prelim_zip = zipfile.ZipFile(prelim_signing, "r",
compression=zipfile.ZIP_DEFLATED)
prelim_signing_zip = zipfile.ZipFile(prelim_signing, 'r')
expected_length = len(metadata['ota-streaming-property-files'])
metadata['ota-streaming-property-files'] = ComputeStreamingMetadata(
prelim_zip, reserve_space=False, expected_length=expected_length)
prelim_signing_zip, reserve_space=False, expected_length=expected_length)
common.ZipClose(prelim_signing_zip)
# Copy the zip entries, as we cannot update / delete entries with zipfile.
final_signing = tempfile.NamedTemporaryFile()
output_zip = zipfile.ZipFile(final_signing, "w",
# Replace the METADATA entry.
common.ZipDelete(prelim_signing, METADATA_NAME)
output_zip = zipfile.ZipFile(prelim_signing, 'a',
compression=zipfile.ZIP_DEFLATED)
for item in prelim_zip.infolist():
if item.filename == METADATA_NAME:
continue
data = prelim_zip.read(item.filename)
out_info = copy.copy(item)
common.ZipWriteStr(output_zip, out_info, data)
# Now write the final metadata entry.
WriteMetadata(metadata, output_zip)
common.ZipClose(prelim_zip)
common.ZipClose(output_zip)
# Re-sign the package after updating the metadata entry.
SignOutput(final_signing.name, output_file)
final_signing.close()
SignOutput(prelim_signing, output_file)
# Reopen the final signed zip to double check the streaming metadata.
output_zip = zipfile.ZipFile(output_file, "r")
output_zip = zipfile.ZipFile(output_file, 'r')
actual = metadata['ota-streaming-property-files'].strip()
expected = ComputeStreamingMetadata(output_zip)
assert actual == expected, \