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_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