103 lines
3.6 KiB
Python
Executable File
103 lines
3.6 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(self, package):
|
|
if not os.path.exists(self.cache_file):
|
|
self.logger.warn("dscCache:%s does not exist" % self.cache_file)
|
|
return None, None
|
|
|
|
try:
|
|
with open(self.cache_file, 'rb') as fcache:
|
|
dsc_cache = pickle.load(fcache)
|
|
except Exception as e:
|
|
self.logger.error(str(e))
|
|
self.logger.error("DscCache failed to open the cache file")
|
|
else:
|
|
if package in dsc_cache.keys():
|
|
dsc_file = dsc_cache[package].split(':')[0]
|
|
checksum = dsc_cache[package].split(':')[1]
|
|
return dsc_file, checksum
|
|
return None, None
|
|
|
|
def get_package_re(self, package):
|
|
if not os.path.exists(self.cache_file):
|
|
self.logger.warn("dscCache:%s does not exist" % self.cache_file)
|
|
return None, None
|
|
|
|
try:
|
|
with open(self.cache_file, 'rb') as fcache:
|
|
dsc_cache = pickle.load(fcache)
|
|
except Exception as e:
|
|
self.logger.error(str(e))
|
|
self.logger.error("DscCache failed to open the cache file")
|
|
else:
|
|
for pkg in dsc_cache.keys():
|
|
if not pkg.endswith(package):
|
|
continue
|
|
match_item = dsc_cache[pkg]
|
|
self.logger.debug("dscCache: Matched item %s" % match_item)
|
|
dsc_file = match_item.split(':')[0]
|
|
checksum = match_item.split(':')[1]
|
|
return dsc_file, checksum
|
|
return None, None
|
|
|
|
def set_package(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")
|
|
|
|
if checksum:
|
|
dsc_cache[package] = checksum
|
|
else:
|
|
del dsc_cache[package]
|
|
|
|
with open(self.cache_file, 'wb+') as fcache:
|
|
pickle.dump(dsc_cache, fcache, pickle.HIGHEST_PROTOCOL)
|
|
return True
|
|
|
|
def load(self, show=False):
|
|
dsc_cache = None
|
|
|
|
if not os.path.exists(self.cache_file):
|
|
self.logger.warn("dscCache:%s does not exist" % self.cache_file)
|
|
return None
|
|
|
|
try:
|
|
with open(self.cache_file, 'rb') as fcache:
|
|
dsc_cache = pickle.load(fcache)
|
|
except Exception as e:
|
|
self.logger.error("Failed to load dsc cache: %s", str(e))
|
|
|
|
if show and dsc_cache:
|
|
for pdir, pval in dsc_cache.items():
|
|
self.logger.debug("dscCache display: %s -> %s", pdir, pval)
|
|
self.logger.debug("dscCache display: Total dscs count: %d", len(dsc_cache))
|
|
|
|
return dsc_cache
|