root/build-tools/stx/dsccache.py
hbai 44da1da1f9 debian:build-pkgs: Create the initial scripts to build packages
Create the initial script 'build-pkgs' which helps to launch
the building of debian packages in build container.
The depend function modules 'dsccache.py', 'debsentry.py' and
'utils.py' are also created.

Story: 2008846
Task: 43120

Signed-off-by: hbai <haiqing.bai@windriver.com>
Change-Id: If1924e72aa2a5563da1c00ac328ca1e560c65cbd
2021-09-27 05:15:13 -04:00

50 lines
1.7 KiB
Python
Executable File

#!/usr/bin/python3
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Copyright (C) 2021 Wind River Systems,Inc
import os
import pickle
class DscCache():
def __init__(self, logger, cache_file):
self.logger = logger
self.cache_file = cache_file
def get_package_digest(self, package):
if not os.path.exists(self.cache_file):
self.logger.warn("dscCache:%s does not exist" % self.cache_file)
return None
with open(self.cache_file, 'rb') as fcache:
dsc_cache = pickle.load(fcache)
if package in dsc_cache.keys():
return dsc_cache[package]
return None
def set_package_digest(self, package, checksum):
dsc_cache = {}
if os.path.exists(self.cache_file):
with open(self.cache_file, 'rb') as fcache:
dsc_cache = pickle.load(fcache)
self.logger.debug("dscCache:Append or update %s" % package)
else:
self.logger.debug("dscCache:Not exist, need to create")
dsc_cache[package] = checksum
with open(self.cache_file, 'wb+') as fcache:
pickle.dump(dsc_cache, fcache, pickle.HIGHEST_PROTOCOL)
return True