def _get_manifest_from_http(self):
log.debug("Downloading online version file")
version_files = [self.version_file, self.version_file_compat]
for vf in version_files:
try:
if self.downloader:
fd = self.downloader(vf, self.update_urls)
else:
fd = FileDownloader(
vf,
self.update_urls,
verify=self.verify,
urllb3_headers=self.urllib3_headers,
)
data = fd.download_verify_return()
try:
decompressed_data = _gzip_decompress(data)
except IOError:
log.debug("Failed to decompress gzip file")
# Will be caught down below.
# Just logging the error
raise
log.debug("Version file download successful")
# Writing version file to application data directory
self._write_manifest_to_filesystem(decompressed_data, vf)
return decompressed_data
except Exception as err:
log.debug(err, exc_info=True)
continue
log.debug("Version file download failed")
return None
def _get_key_data(self):
log.debug("Downloading key file")
try:
if self.downloader:
fd = self.downloader(self.key_file, self.update_urls)
else:
fd = FileDownloader(
self.key_file,
self.update_urls,
verify=self.verify,
urllb3_headers=self.urllib3_headers,
)
data = fd.download_verify_return()
try:
decompressed_data = _gzip_decompress(data)
except IOError:
log.debug("Failed to decompress gzip file")
raise
log.debug("Key file download successful")
# Writing version file to application data directory
self._write_manifest_to_filesystem(decompressed_data, self.key_file)
return decompressed_data
except Exception as err:
log.debug("Version file download failed")
log.debug(err, exc_info=True)
return None
def _get_manifest_from_disk(self):
with _ChDir(self.data_dir):
# This could be the first run or an accidental deletion of the
# cached version manifest.
if not os.path.exists(self.version_file):
log.debug('No version file on file system')
return None
else:
log.debug('Found version file on file system')
# Attempt to open the cached version file
try:
with open(self.version_file, 'rb') as f:
data = f.read()
log.debug('Loaded version file from file system')
except Exception as err:
log.debug('Failed to load version file from file '
'system')
log.debug(err, exc_info=True)
return None
# Attempt the decompress
try:
decompressed_data = _gzip_decompress(data)
except Exception as err:
log.debug(err)
return None
return decompressed_data
def _get_manifest_from_disk(self):
with _ChDir(self.data_dir):
# This could be the first run or an accidental deletion of the
# cached version manifest.
if os.path.exists(self.version_file):
filename = self.version_file
elif os.path.exists(self.version_file_compat):
filename = self.version_file_compat
else:
return None
log.debug("Found version file on file system")
# Attempt to open the cached version file
try:
with open(filename, "rb") as f:
data = f.read()
log.debug("Loaded version file from file system")
except Exception as err:
log.debug("Failed to load version file from file " "system")
log.debug(err, exc_info=True)
return None
# Attempt the decompress
try:
decompressed_data = _gzip_decompress(data)
except Exception as err:
log.debug(err)
return None
return decompressed_data
def _get_manifest_from_disk(self):
with _ChDir(self.data_dir):
# This could be the first run or an accidental deletion of the
# cached version manifest.
if not os.path.exists(self.version_file):
log.debug('No version file on file system')
return None
else:
log.debug('Found version file on file system')
# Attempt to open the cached version file
try:
with open(self.version_file, 'rb') as f:
data = f.read()
log.debug('Loaded version file from file system')
except Exception as err:
log.debug('Failed to load version file from file '
'system')
log.debug(err, exc_info=True)
return None
# Attempt the decompress
try:
decompressed_data = _gzip_decompress(data)
except Exception as err:
log.debug(err)
return None
return decompressed_data
def _get_manifest_filesystem(self):
data = None
with _ChDir(self.data_dir):
if not os.path.exists(self.version_file):
log.debug('No version file on file system')
return data
else:
log.debug('Found version file on file system')
try:
with open(self.version_file, 'rb') as f:
data = f.read()
log.debug('Loaded version file from file system')
except Exception as err:
# Whatever the error data is already set to None
log.debug('Failed to load version file from file '
'system')
log.debug(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_key_data(self):
log.debug('Downloading key file')
try:
fd = _FD(self.key_file, self.update_urls, verify=self.verify)
data = fd.download_verify_return()
try:
decompressed_data = _gzip_decompress(data)
except IOError:
log.debug('Failed to decompress gzip file')
raise
log.debug('Key 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.debug('Version file download failed')
log.debug(err, exc_info=True)
return None
def _get_key_data(self):
log.debug('Downloading key file')
try:
fd = _FD(self.key_file, self.update_urls, verify=self.verify,
urllb3_headers=self.urllib3_headers)
data = fd.download_verify_return()
try:
decompressed_data = _gzip_decompress(data)
except IOError:
log.debug('Failed to decompress gzip file')
raise
log.debug('Key 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.debug('Version file download failed')
log.debug(err, exc_info=True)
return None
def _get_manifest_from_http(self):
log.debug('Downloading online version file')
try:
fd = _FD(self.version_file, self.update_urls, verify=self.verify)
data = fd.download_verify_return()
try:
decompressed_data = _gzip_decompress(data)
except IOError:
log.debug('Failed to decompress gzip file')
# Will be caught down below.
# Just logging the error
raise
log.debug('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.debug('Version file download failed')
log.debug(err, exc_info=True)
return None
