diff options
Diffstat (limited to 'updater_sample/tools/gen_update_config.py')
| -rwxr-xr-x | updater_sample/tools/gen_update_config.py | 51 |
1 files changed, 22 insertions, 29 deletions
diff --git a/updater_sample/tools/gen_update_config.py b/updater_sample/tools/gen_update_config.py index 057812479..4efa9f1c4 100755 --- a/updater_sample/tools/gen_update_config.py +++ b/updater_sample/tools/gen_update_config.py @@ -17,11 +17,13 @@ """ Given a OTA package file, produces update config JSON file. -Example: tools/gen_update_config.py \\ - --ab_install_type=STREAMING \\ - ota-build-001.zip \\ - my-config-001.json \\ - http://foo.bar/ota-builds/ota-build-001.zip +Example: + $ PYTHONPATH=$ANDROID_BUILD_TOP/build/make/tools/releasetools:$PYTHONPATH \\ + bootable/recovery/updater_sample/tools/gen_update_config.py \\ + --ab_install_type=STREAMING \\ + ota-build-001.zip \\ + my-config-001.json \\ + http://foo.bar/ota-builds/ota-build-001.zip """ import argparse @@ -30,6 +32,8 @@ import os.path import sys import zipfile +import ota_from_target_files # pylint: disable=import-error + class GenUpdateConfig(object): """ @@ -41,7 +45,6 @@ class GenUpdateConfig(object): AB_INSTALL_TYPE_STREAMING = 'STREAMING' AB_INSTALL_TYPE_NON_STREAMING = 'NON_STREAMING' - METADATA_NAME = 'META-INF/com/android/metadata' def __init__(self, package, url, ab_install_type): self.package = package @@ -82,37 +85,27 @@ class GenUpdateConfig(object): def _gen_ab_streaming_metadata(self): """Builds metadata for files required for streaming update.""" with zipfile.ZipFile(self.package, 'r') as package_zip: - property_files = self._get_property_files(package_zip) - metadata = { - 'property_files': property_files + 'property_files': self._get_property_files(package_zip) } return metadata - def _get_property_files(self, zip_file): + @staticmethod + def _get_property_files(package_zip): """Constructs the property-files list for A/B streaming metadata.""" - def compute_entry_offset_size(name): - """Computes the zip entry offset and size.""" - info = zip_file.getinfo(name) - offset = info.header_offset + len(info.FileHeader()) - size = info.file_size - return { - 'filename': os.path.basename(name), - 'offset': offset, - 'size': size, - } - + ab_ota = ota_from_target_files.AbOtaPropertyFiles() + property_str = ab_ota.GetPropertyFilesString(package_zip, False) property_files = [] - for entry in self.streaming_required: - property_files.append(compute_entry_offset_size(entry)) - for entry in self.streaming_optional: - if entry in zip_file.namelist(): - property_files.append(compute_entry_offset_size(entry)) - - # 'META-INF/com/android/metadata' is required - property_files.append(compute_entry_offset_size(GenUpdateConfig.METADATA_NAME)) + for file in property_str.split(','): + filename, offset, size = file.split(':') + inner_file = { + 'filename': filename, + 'offset': int(offset), + 'size': int(size) + } + property_files.append(inner_file) return property_files |