def _get_manifest_filesystem(self):
data = None
with jms_utils.paths.ChDir(self.data_dir):
if not os.path.exists(self.version_file):
log.warning('No version file on file system')
return data
else:
log.info('Found version file on file system')
try:
with open(self.version_file, 'rb') as f:
data = f.read()
log.info('Loaded version file from file system')
except Exception as err:
# Whatever the error data is already set to None
log.error('Failed to load version file from file '
'system')
log.debug(str(err), exc_info=True)
# In case we don't have any data to pass
# Catch the error here and just return None
try:
decompressed_data = gzip_decompress(data)
except Exception as err:
decompressed_data = None
return decompressed_data
def _get_manifest_filesystem(self):
data = None
with jms_utils.paths.ChDir(self.data_dir):
if not os.path.exists(self.version_file):
log.warning('No version file on file system')
return data
else:
log.info('Found version file on file system')
try:
with open(self.version_file, 'rb') as f:
data = f.read()
log.info('Loaded version file from file system')
except Exception as err:
# Whatever the error data is already set to None
log.error('Failed to load version file from file '
'system')
log.debug(str(err), exc_info=True)
# In case we don't have any data to pass
# Catch the error here and just return None
try:
decompressed_data = gzip_decompress(data)
except Exception as err:
decompressed_data = None
return decompressed_data
def _download_manifest(self):
log.info('Downloading online version file')
try:
fd = FileDownloader(self.version_file, self.update_urls,
verify=self.verify)
data = fd.download_verify_return()
try:
decompressed_data = gzip_decompress(data)
except IOError:
log.error('Failed to decompress gzip file')
# Will be caught down below. Just logging the error
raise
log.info('Version file download successful')
# Writing version file to application data directory
self._write_manifest_2_filesystem(decompressed_data)
return decompressed_data
except Exception as err:
log.error('Version file download failed')
log.debug(str(err), exc_info=True)
return None
def _download_manifest(self):
log.info('Downloading online version file')
try:
fd = FileDownloader(self.version_file,
self.update_urls,
verify=self.verify)
data = fd.download_verify_return()
try:
decompressed_data = gzip_decompress(data)
except IOError:
log.error('Failed to decompress gzip file')
# Will be caught down below. Just logging the error
raise
log.info('Version file download successful')
# Writing version file to application data directory
self._write_manifest_2_filesystem(decompressed_data)
return decompressed_data
except Exception as err:
log.error('Version file download failed')
log.debug(str(err), exc_info=True)
return None
