def _write_update_to_disk(self): # pragma: no cover
# Writes updated binary to disk
log.debug('Writing update to disk')
filename_key = '{}*{}*{}*{}*{}'.format(settings.UPDATES_KEY, self.name,
self.highest_version,
self.platform, 'filename')
filename = self.star_access_update_data.get(filename_key)
if filename is None:
raise PatcherError('Filename missing in version file')
with jms_utils.paths.ChDir(self.update_folder):
try:
with open(filename, 'wb') as f:
f.write(self.new_binary)
log.debug('Wrote update file')
except IOError:
# Removes file if it got created
if os.path.exists(filename):
os.remove(filename)
log.error('Failed to open file for writing')
raise PatcherError('Failed to open file for writing')
else:
file_info = self._current_file_info(self.name,
self.highest_version)
new_file_hash = file_info['file_hash']
log.debug('checking file hash match')
if new_file_hash != get_package_hashes(filename):
log.error('File hash does not match')
os.remove(filename)
raise PatcherError('Bad hash on patched file')
def _apply_patches_in_memory(self):
# Applies a sequence of patches in memory
log.debug('Applying patches')
for i in self.patch_binary_data:
try:
self.og_binary = bsdiff4.patch(self.og_binary, i)
log.debug('Applied patch successfully')
except Exception as err:
log.debug(err, exc_info=True)
raise PatcherError('Patch failed to apply')
def _write_update_to_disk(self): # pragma: no cover
# Writes updated binary to disk
log.debug("Writing update to disk")
filename_key = "{}*{}*{}*{}*{}".format(
settings.UPDATES_KEY,
self.name,
self.latest_version,
self.platform,
"filename",
)
filename = self.star_access_update_data.get(filename_key)
if filename is None:
raise PatcherError("Filename missing in version file")
with ChDir(self.update_folder):
try:
with open(filename, "wb") as f:
f.write(self.og_binary)
log.debug("Wrote update file")
except IOError:
# Removes file if it got created
if os.path.exists(filename):
remove_any(filename)
log.debug("Failed to open file for writing")
raise PatcherError("Failed to open file for writing")
else:
file_info = self._get_info(self.name,
self.latest_version,
option="file")
new_file_hash = file_info["file_hash"]
log.debug("checking file hash match")
if new_file_hash != get_package_hashes(filename):
log.debug("Version file hash: %s", new_file_hash)
log.debug("Actual file hash: %s",
get_package_hashes(filename))
log.debug("File hash does not match")
remove_any(filename)
raise PatcherError("Bad hash on patched file",
expected=True)