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Run the callback def callback(self): '''Run the callback''' self._callback(*self._args, **self._kwargs) self._last_checked = time.time()
Run the callback periodically def run(self): '''Run the callback periodically''' while not self.wait(self.delay()): try: logger.info('Invoking callback %s', self.callback) self.callback() except StandardError: logger.exception('Callback failed')
Login to MediaFire account. Keyword arguments: email -- account email password -- account password app_id -- application ID api_key -- API Key (optional) def login(self, email=None, password=None, app_id=None, api_key=None): """Login to MediaFire account. Keyword arguments: email -- account email password -- account password app_id -- application ID api_key -- API Key (optional) """ session_token = self.api.user_get_session_token( app_id=app_id, email=email, password=password, api_key=api_key) # install session token back into api client self.api.session = session_token
Return resource described by MediaFire URI. uri -- MediaFire URI Examples: Folder (using folderkey): mf:r5g3p2z0sqs3j mf:r5g3p2z0sqs3j/folder/file.ext File (using quickkey): mf:xkr43dadqa3o2p2 Path: mf:///Documents/file.ext def get_resource_by_uri(self, uri): """Return resource described by MediaFire URI. uri -- MediaFire URI Examples: Folder (using folderkey): mf:r5g3p2z0sqs3j mf:r5g3p2z0sqs3j/folder/file.ext File (using quickkey): mf:xkr43dadqa3o2p2 Path: mf:///Documents/file.ext """ location = self._parse_uri(uri) if location.startswith("/"): # Use path lookup only, root=myfiles result = self.get_resource_by_path(location) elif "/" in location: # mf:abcdefjhijklm/name resource_key, path = location.split('/', 2) parent_folder = self.get_resource_by_key(resource_key) if not isinstance(parent_folder, Folder): raise NotAFolderError(resource_key) # perform additional lookup by path result = self.get_resource_by_path( path, folder_key=parent_folder['folderkey']) else: # mf:abcdefjhijklm result = self.get_resource_by_key(location) return result
Return resource by quick_key/folder_key. key -- quick_key or folder_key def get_resource_by_key(self, resource_key): """Return resource by quick_key/folder_key. key -- quick_key or folder_key """ # search for quick_key by default lookup_order = ["quick_key", "folder_key"] if len(resource_key) == FOLDER_KEY_LENGTH: lookup_order = ["folder_key", "quick_key"] resource = None for lookup_key in lookup_order: try: if lookup_key == "folder_key": info = self.api.folder_get_info(folder_key=resource_key) resource = Folder(info['folder_info']) elif lookup_key == "quick_key": info = self.api.file_get_info(quick_key=resource_key) resource = File(info['file_info']) except MediaFireApiError: # TODO: Check response code pass if resource: break if not resource: raise ResourceNotFoundError(resource_key) return resource
Return resource by remote path. path -- remote path Keyword arguments: folder_key -- what to use as the root folder (None for root) def get_resource_by_path(self, path, folder_key=None): """Return resource by remote path. path -- remote path Keyword arguments: folder_key -- what to use as the root folder (None for root) """ logger.debug("resolving %s", path) # remove empty path components path = posixpath.normpath(path) components = [t for t in path.split(posixpath.sep) if t != ''] if not components: # request for root return Folder( self.api.folder_get_info(folder_key)['folder_info'] ) resource = None for component in components: exists = False for item in self._folder_get_content_iter(folder_key): name = item['name'] if 'name' in item else item['filename'] if name == component: exists = True if components[-1] != component: # still have components to go through if 'filename' in item: # found a file, expected a directory raise NotAFolderError(item['filename']) folder_key = item['folderkey'] else: # found the leaf resource = item break if resource is not None: break if not exists: # intermediate component does not exist - bailing out break if resource is None: raise ResourceNotFoundError(path) if "quickkey" in resource: file_info = self.api.file_get_info( resource['quickkey'])['file_info'] result = File(file_info) elif "folderkey" in resource: folder_info = self.api.folder_get_info( resource['folderkey'])['folder_info'] result = Folder(folder_info) return result
Iterator for api.folder_get_content def _folder_get_content_iter(self, folder_key=None): """Iterator for api.folder_get_content""" lookup_params = [ {'content_type': 'folders', 'node': 'folders'}, {'content_type': 'files', 'node': 'files'} ] for param in lookup_params: more_chunks = True chunk = 0 while more_chunks: chunk += 1 content = self.api.folder_get_content( content_type=param['content_type'], chunk=chunk, folder_key=folder_key)['folder_content'] # empty folder/file list if not content[param['node']]: break # no next page if content['more_chunks'] == 'no': more_chunks = False for resource_info in content[param['node']]: yield resource_info
Return iterator for directory contents. uri -- mediafire URI Example: for item in get_folder_contents_iter('mf:///Documents'): print(item) def get_folder_contents_iter(self, uri): """Return iterator for directory contents. uri -- mediafire URI Example: for item in get_folder_contents_iter('mf:///Documents'): print(item) """ resource = self.get_resource_by_uri(uri) if not isinstance(resource, Folder): raise NotAFolderError(uri) folder_key = resource['folderkey'] for item in self._folder_get_content_iter(folder_key): if 'filename' in item: # Work around https://mediafire.mantishub.com/view.php?id=5 # TODO: remove in 1.0 if ".patch." in item['filename']: continue yield File(item) elif 'name' in item: yield Folder(item)
Create folder. uri -- MediaFire URI Keyword arguments: recursive -- set to True to create intermediate folders. def create_folder(self, uri, recursive=False): """Create folder. uri -- MediaFire URI Keyword arguments: recursive -- set to True to create intermediate folders. """ logger.info("Creating %s", uri) # check that folder exists already try: resource = self.get_resource_by_uri(uri) if isinstance(resource, Folder): return resource else: raise NotAFolderError(uri) except ResourceNotFoundError: pass location = self._parse_uri(uri) folder_name = posixpath.basename(location) parent_uri = 'mf://' + posixpath.dirname(location) try: parent_node = self.get_resource_by_uri(parent_uri) if not isinstance(parent_node, Folder): raise NotAFolderError(parent_uri) parent_key = parent_node['folderkey'] except ResourceNotFoundError: if recursive: result = self.create_folder(parent_uri, recursive=True) parent_key = result['folderkey'] else: raise # We specify exact location, so don't allow duplicates result = self.api.folder_create( folder_name, parent_key=parent_key, action_on_duplicate='skip') logger.info("Created folder '%s' [mf:%s]", result['name'], result['folder_key']) return self.get_resource_by_key(result['folder_key'])
Delete folder. uri -- MediaFire folder URI Keyword arguments: purge -- delete the folder without sending it to Trash def delete_folder(self, uri, purge=False): """Delete folder. uri -- MediaFire folder URI Keyword arguments: purge -- delete the folder without sending it to Trash """ try: resource = self.get_resource_by_uri(uri) except ResourceNotFoundError: # Nothing to remove return None if not isinstance(resource, Folder): raise ValueError("Folder expected, got {}".format(type(resource))) if purge: func = self.api.folder_purge else: func = self.api.folder_delete try: result = func(resource['folderkey']) except MediaFireApiError as err: if err.code == 100: logger.debug( "Delete folder returns error 900 but folder is deleted: " "http://forum.mediafiredev.com/showthread.php?129") result = {} else: raise return result
Delete file. uri -- MediaFire file URI Keyword arguments: purge -- delete the file without sending it to Trash. def delete_file(self, uri, purge=False): """Delete file. uri -- MediaFire file URI Keyword arguments: purge -- delete the file without sending it to Trash. """ try: resource = self.get_resource_by_uri(uri) except ResourceNotFoundError: # Nothing to remove return None if not isinstance(resource, File): raise ValueError("File expected, got {}".format(type(resource))) if purge: func = self.api.file_purge else: func = self.api.file_delete return func(resource['quickkey'])
Delete file or folder uri -- mediafire URI Keyword arguments: purge -- delete the resource without sending it to Trash. def delete_resource(self, uri, purge=False): """Delete file or folder uri -- mediafire URI Keyword arguments: purge -- delete the resource without sending it to Trash. """ try: resource = self.get_resource_by_uri(uri) except ResourceNotFoundError: # Nothing to remove return None if isinstance(resource, File): result = self.delete_file(uri, purge) elif isinstance(resource, Folder): result = self.delete_folder(uri, purge) else: raise ValueError('Unsupported resource: {}'.format(type(resource))) return result
Prepare Upload object, resolve paths def _prepare_upload_info(self, source, dest_uri): """Prepare Upload object, resolve paths""" try: dest_resource = self.get_resource_by_uri(dest_uri) except ResourceNotFoundError: dest_resource = None is_fh = hasattr(source, 'read') folder_key = None name = None if dest_resource: if isinstance(dest_resource, File): folder_key = dest_resource['parent_folderkey'] name = dest_resource['filename'] elif isinstance(dest_resource, Folder): if is_fh: raise ValueError("Cannot determine target file name") basename = posixpath.basename(source) dest_uri = posixpath.join(dest_uri, basename) try: result = self.get_resource_by_uri(dest_uri) if isinstance(result, Folder): raise ValueError("Target is a folder (file expected)") folder_key = result.get('parent_folderkey', None) name = result['filename'] except ResourceNotFoundError: # ok, neither a file nor folder, proceed folder_key = dest_resource['folderkey'] name = basename else: raise Exception("Unknown resource type") else: # get parent resource parent_uri = '/'.join(dest_uri.split('/')[0:-1]) result = self.get_resource_by_uri(parent_uri) if not isinstance(result, Folder): raise NotAFolderError("Parent component is not a folder") folder_key = result['folderkey'] name = posixpath.basename(dest_uri) return folder_key, name
Upload file to MediaFire. source -- path to the file or a file-like object (e.g. io.BytesIO) dest_uri -- MediaFire Resource URI def upload_file(self, source, dest_uri): """Upload file to MediaFire. source -- path to the file or a file-like object (e.g. io.BytesIO) dest_uri -- MediaFire Resource URI """ folder_key, name = self._prepare_upload_info(source, dest_uri) is_fh = hasattr(source, 'read') fd = None try: if is_fh: # Re-using filehandle fd = source else: # Handling fs open/close fd = open(source, 'rb') return MediaFireUploader(self.api).upload( fd, name, folder_key=folder_key, action_on_duplicate='replace') finally: # Close filehandle if we opened it if fd and not is_fh: fd.close()
Download file from MediaFire. src_uri -- MediaFire file URI to download target -- download path or file-like object in write mode def download_file(self, src_uri, target): """Download file from MediaFire. src_uri -- MediaFire file URI to download target -- download path or file-like object in write mode """ resource = self.get_resource_by_uri(src_uri) if not isinstance(resource, File): raise MediaFireError("Only files can be downloaded") quick_key = resource['quickkey'] result = self.api.file_get_links(quick_key=quick_key, link_type='direct_download') direct_download = result['links'][0]['direct_download'] # Force download over HTTPS direct_download = direct_download.replace('http:', 'https:') name = resource['filename'] target_is_filehandle = True if hasattr(target, 'write') else False if not target_is_filehandle: if (os.path.exists(target) and os.path.isdir(target)) or \ target.endswith("/"): target = os.path.join(target, name) if not os.path.isdir(os.path.dirname(target)): os.makedirs(os.path.dirname(target)) logger.info("Downloading %s to %s", src_uri, target) response = requests.get(direct_download, stream=True) try: if target_is_filehandle: out_fd = target else: out_fd = open(target, 'wb') checksum = hashlib.sha256() for chunk in response.iter_content(chunk_size=4096): if chunk: out_fd.write(chunk) checksum.update(chunk) checksum_hex = checksum.hexdigest().lower() if checksum_hex != resource['hash']: raise DownloadError("Hash mismatch ({} != {})".format( resource['hash'], checksum_hex)) logger.info("Download completed successfully") finally: if not target_is_filehandle: out_fd.close()
Update file metadata. uri -- MediaFire file URI Supplying the following keyword arguments would change the metadata on the server side: filename -- rename file description -- set file description string mtime -- set file modification time privacy -- set file privacy - 'private' or 'public' def update_file_metadata(self, uri, filename=None, description=None, mtime=None, privacy=None): """Update file metadata. uri -- MediaFire file URI Supplying the following keyword arguments would change the metadata on the server side: filename -- rename file description -- set file description string mtime -- set file modification time privacy -- set file privacy - 'private' or 'public' """ resource = self.get_resource_by_uri(uri) if not isinstance(resource, File): raise ValueError('Expected File, got {}'.format(type(resource))) result = self.api.file_update(resource['quickkey'], filename=filename, description=description, mtime=mtime, privacy=privacy) return result
Update folder metadata. uri -- MediaFire file URI Supplying the following keyword arguments would change the metadata on the server side: filename -- rename file description -- set file description string mtime -- set file modification time privacy -- set file privacy - 'private' or 'public' recursive -- update folder privacy recursively def update_folder_metadata(self, uri, foldername=None, description=None, mtime=None, privacy=None, privacy_recursive=None): """Update folder metadata. uri -- MediaFire file URI Supplying the following keyword arguments would change the metadata on the server side: filename -- rename file description -- set file description string mtime -- set file modification time privacy -- set file privacy - 'private' or 'public' recursive -- update folder privacy recursively """ resource = self.get_resource_by_uri(uri) if not isinstance(resource, Folder): raise ValueError('Expected Folder, got {}'.format(type(resource))) result = self.api.folder_update(resource['folderkey'], foldername=foldername, description=description, mtime=mtime, privacy=privacy, privacy_recursive=privacy_recursive) return result
Parse and validate MediaFire URI. def _parse_uri(uri): """Parse and validate MediaFire URI.""" tokens = urlparse(uri) if tokens.netloc != '': logger.error("Invalid URI: %s", uri) raise ValueError("MediaFire URI format error: " "host should be empty - mf:///path") if tokens.scheme != '' and tokens.scheme != URI_SCHEME: raise ValueError("MediaFire URI format error: " "must start with 'mf:' or '/'") return posixpath.normpath(tokens.path)
The clean stats from all the hosts reporting to this host. def merged(self): '''The clean stats from all the hosts reporting to this host.''' stats = {} for topic in self.client.topics()['topics']: for producer in self.client.lookup(topic)['producers']: hostname = producer['broadcast_address'] port = producer['http_port'] host = '%s_%s' % (hostname, port) stats[host] = nsqd.Client( 'http://%s:%s/' % (hostname, port)).clean_stats() return stats
All the raw, unaggregated stats (with duplicates). def raw(self): '''All the raw, unaggregated stats (with duplicates).''' topic_keys = ( 'message_count', 'depth', 'backend_depth', 'paused' ) channel_keys = ( 'in_flight_count', 'timeout_count', 'paused', 'deferred_count', 'message_count', 'depth', 'backend_depth', 'requeue_count' ) for host, stats in self.merged.items(): for topic, stats in stats.get('topics', {}).items(): prefix = 'host.%s.topic.%s' % (host, topic) for key in topic_keys: value = int(stats.get(key, -1)) yield ( 'host.%s.topic.%s.%s' % (host, topic, key), value, False ) yield ( 'topic.%s.%s' % (topic, key), value, True ) yield ( 'topics.%s' % key, value, True ) for chan, stats in stats.get('channels', {}).items(): data = { key: int(stats.get(key, -1)) for key in channel_keys } data['clients'] = len(stats.get('clients', [])) for key, value in data.items(): yield ( 'host.%s.topic.%s.channel.%s.%s' % (host, topic, chan, key), value, False ) yield ( 'host.%s.topic.%s.channels.%s' % (host, topic, key), value, True ) yield ( 'topic.%s.channels.%s' % (topic, key), value, True ) yield ( 'channels.%s' % key, value, True )
Stats that have been aggregated appropriately. def stats(self): '''Stats that have been aggregated appropriately.''' data = Counter() for name, value, aggregated in self.raw: if aggregated: data['%s.max' % name] = max(data['%s.max' % name], value) data['%s.total' % name] += value else: data[name] = value return sorted(data.items())
Return the current python source line. def get_curline(): """Return the current python source line.""" if Frame: frame = Frame.get_selected_python_frame() if frame: line = '' f = frame.get_pyop() if f and not f.is_optimized_out(): cwd = os.path.join(os.getcwd(), '') fname = f.filename() if cwd in fname: fname = fname[len(cwd):] try: line = f.current_line() except IOError: pass if line: # Use repr(line) to avoid UnicodeDecodeError on the # following print invocation. line = repr(line).strip("'") line = line[:-2] if line.endswith(r'\n') else line return ('-> %s(%s): %s' % (fname, f.current_line_num(), line)) return ''
Subscribe connection and manipulate its RDY state def reconnected(self, conn): '''Subscribe connection and manipulate its RDY state''' conn.sub(self._topic, self._channel) conn.rdy(1)
Distribute the ready state across all of the connections def distribute_ready(self): '''Distribute the ready state across all of the connections''' connections = [c for c in self.connections() if c.alive()] if len(connections) > self._max_in_flight: raise NotImplementedError( 'Max in flight must be greater than number of connections') else: # Distribute the ready count evenly among the connections for count, conn in distribute(self._max_in_flight, connections): # We cannot exceed the maximum RDY count for a connection if count > conn.max_rdy_count: logger.info( 'Using max_rdy_count (%i) instead of %i for %s RDY', conn.max_rdy_count, count, conn) count = conn.max_rdy_count logger.info('Sending RDY %i to %s', count, conn) conn.rdy(count)
Determine whether or not we need to redistribute the ready state def needs_distribute_ready(self): '''Determine whether or not we need to redistribute the ready state''' # Try to pre-empty starvation by comparing current RDY against # the last value sent. alive = [c for c in self.connections() if c.alive()] if any(c.ready <= (c.last_ready_sent * 0.25) for c in alive): return True
Read some number of messages def read(self): '''Read some number of messages''' found = Client.read(self) # Redistribute our ready state if necessary if self.needs_distribute_ready(): self.distribute_ready() # Finally, return all the results we've read return found
Profile the block def profiler(): '''Profile the block''' import cProfile import pstats pr = cProfile.Profile() pr.enable() yield pr.disable() ps = pstats.Stats(pr).sort_stats('tottime') ps.print_stats()
Generator for count messages of the provided size def messages(count, size): '''Generator for count messages of the provided size''' import string # Make sure we have at least 'size' letters letters = islice(cycle(chain(string.lowercase, string.uppercase)), size) return islice(cycle(''.join(l) for l in permutations(letters, size)), count)
Collect data into fixed-length chunks or blocks def grouper(iterable, n): '''Collect data into fixed-length chunks or blocks''' args = [iter(iterable)] * n for group in izip_longest(fillvalue=None, *args): group = [g for g in group if g != None] yield group
Basic benchmark def basic(topic='topic', channel='channel', count=1e6, size=10, gevent=False, max_in_flight=2500, profile=False): '''Basic benchmark''' if gevent: from gevent import monkey monkey.patch_all() # Check the types of the arguments count = int(count) size = int(size) max_in_flight = int(max_in_flight) from nsq.http import nsqd from nsq.reader import Reader print 'Publishing messages...' for batch in grouper(messages(count, size), 1000): nsqd.Client('http://localhost:4151').mpub(topic, batch) print 'Consuming messages' client = Reader(topic, channel, nsqd_tcp_addresses=['localhost:4150'], max_in_flight=max_in_flight) with closing(client): start = -time.time() if profile: with profiler(): for message in islice(client, count): message.fin() else: for message in islice(client, count): message.fin() start += time.time() print 'Finished %i messages in %fs (%5.2f messages / second)' % ( count, start, count / start)
Read a stream of floats and give summary statistics def stats(): '''Read a stream of floats and give summary statistics''' import re import sys import math values = [] for line in sys.stdin: values.extend(map(float, re.findall(r'\d+\.?\d+', line))) mean = sum(values) / len(values) variance = sum((val - mean) ** 2 for val in values) / len(values) print '%3i items; mean: %10.5f; std-dev: %10.5f' % ( len(values), mean, math.sqrt(variance))
Whether or not enough time has passed since the last failure def ready(self): '''Whether or not enough time has passed since the last failure''' if self._last_failed: delta = time.time() - self._last_failed return delta >= self.backoff() return True
Print the status of the daemon. This function displays the current status of the daemon as well as the whole queue and all available information about every entry in the queue. `terminaltables` is used to format and display the queue contents. `colorclass` is used to color format the various items in the queue. Args: root_dir (string): The path to the root directory the daemon is running in. def execute_status(args, root_dir=None): """Print the status of the daemon. This function displays the current status of the daemon as well as the whole queue and all available information about every entry in the queue. `terminaltables` is used to format and display the queue contents. `colorclass` is used to color format the various items in the queue. Args: root_dir (string): The path to the root directory the daemon is running in. """ status = command_factory('status')({}, root_dir=root_dir) # First rows, showing daemon status if status['status'] == 'running': status['status'] = Color('{autogreen}' + '{}'.format(status['status']) + '{/autogreen}') elif status['status'] in ['paused']: status['status'] = Color('{autoyellow}' + '{}'.format(status['status']) + '{/autoyellow}') print('Daemon: {}\n'.format(status['status'])) # Handle queue data data = status['data'] if isinstance(data, str): print(data) elif isinstance(data, dict): # Format incomming data to be compatible with Terminaltables formatted_data = [] formatted_data.append(['Index', 'Status', 'Code', 'Command', 'Path', 'Start', 'End']) for key, entry in sorted(data.items(), key=operator.itemgetter(0)): formatted_data.append( [ '#{}'.format(key), entry['status'], '{}'.format(entry['returncode']), entry['command'], entry['path'], entry['start'], entry['end'] ] ) # Create AsciiTable instance and define style table = AsciiTable(formatted_data) table.outer_border = False table.inner_column_border = False terminal_width = terminal_size() customWidth = table.column_widths # If the text is wider than the actual terminal size, we # compute a new size for the Command and Path column. if (reduce(lambda a, b: a+b, table.column_widths) + 10) > terminal_width[0]: # We have to subtract 14 because of table paddings left_space = math.floor((terminal_width[0] - customWidth[0] - customWidth[1] - customWidth[2] - customWidth[5] - customWidth[6] - 14)/2) if customWidth[3] < left_space: customWidth[4] = 2*left_space - customWidth[3] elif customWidth[4] < left_space: customWidth[3] = 2*left_space - customWidth[4] else: customWidth[3] = left_space customWidth[4] = left_space # Format long strings to match the console width for i, entry in enumerate(table.table_data): for j, string in enumerate(entry): max_width = customWidth[j] wrapped_string = '\n'.join(wrap(string, max_width)) if j == 1: if wrapped_string == 'done' or wrapped_string == 'running' or wrapped_string == 'paused': wrapped_string = Color('{autogreen}' + '{}'.format(wrapped_string) + '{/autogreen}') elif wrapped_string in ['queued', 'stashed']: wrapped_string = Color('{autoyellow}' + '{}'.format(wrapped_string) + '{/autoyellow}') elif wrapped_string in ['failed', 'stopping', 'killing']: wrapped_string = Color('{autored}' + '{}'.format(wrapped_string) + '{/autored}') elif j == 2: if wrapped_string == '0' and wrapped_string != 'Code': wrapped_string = Color('{autogreen}' + '{}'.format(wrapped_string) + '{/autogreen}') elif wrapped_string != '0' and wrapped_string != 'Code': wrapped_string = Color('{autored}' + '{}'.format(wrapped_string) + '{/autored}') table.table_data[i][j] = wrapped_string print(table.table) print('')
Print the current log file. Args: args['keys'] (int): If given, we only look at the specified processes. root_dir (string): The path to the root directory the daemon is running in. def execute_log(args, root_dir): """Print the current log file. Args: args['keys'] (int): If given, we only look at the specified processes. root_dir (string): The path to the root directory the daemon is running in. """ # Print the logs of all specified processes if args.get('keys'): config_dir = os.path.join(root_dir, '.config/pueue') queue_path = os.path.join(config_dir, 'queue') if os.path.exists(queue_path): queue_file = open(queue_path, 'rb') try: queue = pickle.load(queue_file) except Exception: print('Queue log file seems to be corrupted. Aborting.') return queue_file.close() else: print('There is no queue log file. Aborting.') return for key in args.get('keys'): # Check if there is an entry with this key if queue.get(key) and queue[key]['status'] in ['failed', 'done']: entry = queue[key] print('Log of entry: {}'.format(key)) print('Returncode: {}'.format(entry['returncode'])) print('Command: {}'.format(entry['command'])) print('Path: {}'.format(entry['path'])) print('Start: {}, End: {} \n'.format(entry['start'], entry['end'])) # Write STDERR if len(entry['stderr']) > 0: print(Color('{autored}Stderr output: {/autored}\n ') + entry['stderr']) # Write STDOUT if len(entry['stdout']) > 0: print(Color('{autogreen}Stdout output: {/autogreen}\n ') + entry['stdout']) else: print('No finished process with key {}.'.format(key)) # Print the log of all processes else: log_path = os.path.join(root_dir, '.local/share/pueue/queue.log') log_file = open(log_path, 'r') print(log_file.read())
Print stderr and stdout of the current running process. Args: args['watch'] (bool): If True, we open a curses session and tail the output live in the console. root_dir (string): The path to the root directory the daemon is running in. def execute_show(args, root_dir): """Print stderr and stdout of the current running process. Args: args['watch'] (bool): If True, we open a curses session and tail the output live in the console. root_dir (string): The path to the root directory the daemon is running in. """ key = None if args.get('key'): key = args['key'] status = command_factory('status')({}, root_dir=root_dir) if key not in status['data'] or status['data'][key]['status'] != 'running': print('No running process with this key, use `log` to show finished processes.') return # In case no key provided, we take the oldest running process else: status = command_factory('status')({}, root_dir=root_dir) if isinstance(status['data'], str): print(status['data']) return for k in sorted(status['data'].keys()): if status['data'][k]['status'] == 'running': key = k break if key is None: print('No running process, use `log` to show finished processes.') return config_dir = os.path.join(root_dir, '.config/pueue') # Get current pueueSTDout file from tmp stdoutFile = os.path.join(config_dir, 'pueue_process_{}.stdout'.format(key)) stderrFile = os.path.join(config_dir, 'pueue_process_{}.stderr'.format(key)) stdoutDescriptor = open(stdoutFile, 'r') stderrDescriptor = open(stderrFile, 'r') running = True # Continually print output with curses or just print once if args['watch']: # Initialize curses stdscr = curses.initscr() curses.noecho() curses.cbreak() curses.curs_set(2) stdscr.keypad(True) stdscr.refresh() try: # Update output every two seconds while running: stdscr.clear() stdoutDescriptor.seek(0) message = stdoutDescriptor.read() stdscr.addstr(0, 0, message) stdscr.refresh() time.sleep(2) except Exception: # Curses cleanup curses.nocbreak() stdscr.keypad(False) curses.echo() curses.endwin() else: print('Stdout output:\n') stdoutDescriptor.seek(0) print(get_descriptor_output(stdoutDescriptor, key)) print('\n\nStderr output:\n') stderrDescriptor.seek(0) print(get_descriptor_output(stderrDescriptor, key))
Fetches a song track by given ID. :param track_id: the track ID. :type track_id: str :return: API response. :rtype: dict See `https://docs-en.kkbox.codes/v1.1/reference#tracks-track_id`. def fetch_track(self, track_id, terr=KKBOXTerritory.TAIWAN): ''' Fetches a song track by given ID. :param track_id: the track ID. :type track_id: str :return: API response. :rtype: dict See `https://docs-en.kkbox.codes/v1.1/reference#tracks-track_id`. ''' url = 'https://api.kkbox.com/v1.1/tracks/%s' % track_id url += '?' + url_parse.urlencode({'territory': terr}) return self.http._post_data(url, None, self.http._headers_with_access_token())
Show a specific indicator by id :param user: feed username :param feed: feed name :param id: indicator endpoint id [INT] :return: dict Example: ret = Indicator.show('csirtgadgets','port-scanners', '1234') def show(self, user, feed, id): """ Show a specific indicator by id :param user: feed username :param feed: feed name :param id: indicator endpoint id [INT] :return: dict Example: ret = Indicator.show('csirtgadgets','port-scanners', '1234') """ uri = '/users/{}/feeds/{}/indicators/{}'.format(user, feed, id) return self.client.get(uri)
Submit action on the Indicator object :return: Indicator Object def create(self): """ Submit action on the Indicator object :return: Indicator Object """ uri = '/users/{0}/feeds/{1}/indicators'\ .format(self.user, self.feed) data = { "indicator": json.loads(str(self.indicator)), "comment": self.comment, "content": self.content } if self.attachment: attachment = self._file_to_attachment( self.attachment, filename=self.attachment_name) data['attachment'] = { 'data': attachment['data'], 'filename': attachment['filename'] } if not data['indicator'].get('indicator'): data['indicator']['indicator'] = attachment['sha1'] if not data['indicator'].get('indicator'): raise Exception('Missing indicator') return self.client.post(uri, data)
Submit action against the IndicatorBulk endpoint :param indicators: list of Indicator Objects :param user: feed username :param feed: feed name :return: list of Indicator Objects submitted from csirtgsdk.client import Client from csirtgsdk.indicator import Indicator remote = 'https://csirtg.io/api' token = '' verify_ssl = True i = { 'indicator': 'example.com', 'feed': 'test', 'user': 'admin', 'comment': 'this is a test', } data = [] cli = Client(remote=remote, token=token, verify_ssl=verify_ssl) for x in range(0, 5): data.append( Indicator(cli, i) ) ret = cli.submit_bulk(data, 'csirtgadgets', 'test-feed') def create_bulk(self, indicators, user, feed): from .constants import API_VERSION if API_VERSION == '1': print("create_bulk currently un-avail with APIv1") raise SystemExit """ Submit action against the IndicatorBulk endpoint :param indicators: list of Indicator Objects :param user: feed username :param feed: feed name :return: list of Indicator Objects submitted from csirtgsdk.client import Client from csirtgsdk.indicator import Indicator remote = 'https://csirtg.io/api' token = '' verify_ssl = True i = { 'indicator': 'example.com', 'feed': 'test', 'user': 'admin', 'comment': 'this is a test', } data = [] cli = Client(remote=remote, token=token, verify_ssl=verify_ssl) for x in range(0, 5): data.append( Indicator(cli, i) ) ret = cli.submit_bulk(data, 'csirtgadgets', 'test-feed') """ uri = '/users/{0}/feeds/{1}/indicators_bulk'.format(user, feed) data = { 'indicators': [ { 'indicator': i.args.indicator, 'feed_id': i.args.feed, 'tag_list': i.args.tags, "description": i.args.description, "portlist": i.args.portlist, "protocol": i.args.protocol, 'firsttime': i.args.firsttime, 'lasttime': i.args.lasttime, 'portlist_src': i.args.portlist_src, 'comment': { 'content': i.args.comment }, 'rdata': i.args.rdata, 'rtype': i.args.rtype, 'content': i.args.content, 'provider': i.args.provider, } for i in indicators ] } return self.client.post(uri, data)
An alias for ``bind_key(event_type, ROOT_WINDOW, key_string, cb)``. :param event_type: Either 'KeyPress' or 'KeyRelease'. :type event_type: str :param key_string: A string of the form 'Mod1-Control-a'. Namely, a list of zero or more modifiers separated by '-', followed by a single non-modifier key. :type key_string: str :param cb: A first class function with no parameters. :type cb: function :return: True if the binding was successful, False otherwise. :rtype: bool def bind_global_key(conn, event_type, key_string, cb): """ An alias for ``bind_key(event_type, ROOT_WINDOW, key_string, cb)``. :param event_type: Either 'KeyPress' or 'KeyRelease'. :type event_type: str :param key_string: A string of the form 'Mod1-Control-a'. Namely, a list of zero or more modifiers separated by '-', followed by a single non-modifier key. :type key_string: str :param cb: A first class function with no parameters. :type cb: function :return: True if the binding was successful, False otherwise. :rtype: bool """ root = conn.get_setup().roots[0].root return bind_key(conn, event_type, root, key_string, cb)
Binds a function ``cb`` to a particular key press ``key_string`` on a window ``wid``. Whether it's a key release or key press binding is determined by ``event_type``. ``bind_key`` will automatically hook into the ``event`` module's dispatcher, so that if you're using ``event.main()`` for your main loop, everything will be taken care of for you. :param event_type: Either 'KeyPress' or 'KeyRelease'. :type event_type: str :param wid: The window to bind the key grab to. :type wid: int :param key_string: A string of the form 'Mod1-Control-a'. Namely, a list of zero or more modifiers separated by '-', followed by a single non-modifier key. :type key_string: str :param cb: A first class function with no parameters. :type cb: function :return: True if the binding was successful, False otherwise. :rtype: bool def bind_key(conn, event_type, wid, key_string, cb): """ Binds a function ``cb`` to a particular key press ``key_string`` on a window ``wid``. Whether it's a key release or key press binding is determined by ``event_type``. ``bind_key`` will automatically hook into the ``event`` module's dispatcher, so that if you're using ``event.main()`` for your main loop, everything will be taken care of for you. :param event_type: Either 'KeyPress' or 'KeyRelease'. :type event_type: str :param wid: The window to bind the key grab to. :type wid: int :param key_string: A string of the form 'Mod1-Control-a'. Namely, a list of zero or more modifiers separated by '-', followed by a single non-modifier key. :type key_string: str :param cb: A first class function with no parameters. :type cb: function :return: True if the binding was successful, False otherwise. :rtype: bool """ assert event_type in ('KeyPress', 'KeyRelease') mods, kc = parse_keystring(conn, key_string) key = (wid, mods, kc) if not kc: print("Could not find a keycode for " + key_string) return False if not __keygrabs[key] and not grab_key(conn, wid, mods, kc): return False __keybinds[key].append(cb) __keygrabs[key] += 1 return True
A utility function to turn strings like 'Mod1+Mod4+a' into a pair corresponding to its modifiers and keycode. :param key_string: String starting with zero or more modifiers followed by exactly one key press. Available modifiers: Control, Mod1, Mod2, Mod3, Mod4, Mod5, Shift, Lock :type key_string: str :return: Tuple of modifier mask and keycode :rtype: (mask, int) def parse_keystring(conn, key_string): """ A utility function to turn strings like 'Mod1+Mod4+a' into a pair corresponding to its modifiers and keycode. :param key_string: String starting with zero or more modifiers followed by exactly one key press. Available modifiers: Control, Mod1, Mod2, Mod3, Mod4, Mod5, Shift, Lock :type key_string: str :return: Tuple of modifier mask and keycode :rtype: (mask, int) """ # FIXME this code is temporary hack, requires better abstraction from PyQt5.QtGui import QKeySequence from PyQt5.QtCore import Qt from .qt_keycodes import KeyTbl, ModsTbl keysequence = QKeySequence(key_string) ks = keysequence[0] # Calculate the modifiers mods = Qt.NoModifier qtmods = Qt.NoModifier modifiers = 0 if (ks & Qt.ShiftModifier == Qt.ShiftModifier): mods |= ModsTbl.index(Qt.ShiftModifier) qtmods |= Qt.ShiftModifier.real modifiers |= getattr(xproto.KeyButMask, "Shift", 0) if (ks & Qt.AltModifier == Qt.AltModifier): mods |= ModsTbl.index(Qt.AltModifier) qtmods |= Qt.AltModifier.real modifiers |= getattr(xproto.KeyButMask, "Mod1", 0) if (ks & Qt.ControlModifier == Qt.ControlModifier): mods |= ModsTbl.index(Qt.ControlModifier) qtmods |= Qt.ControlModifier.real modifiers |= getattr(xproto.KeyButMask, "Control", 0) # Calculate the keys qtkeys = ks ^ qtmods key = QKeySequence(Qt.Key(qtkeys)).toString().lower() keycode = lookup_string(conn, key) return modifiers, keycode # Fallback logic modifiers = 0 keycode = None key_string = "Shift+Control+A" for part in key_string.split('+'): if hasattr(xproto.KeyButMask, part): modifiers |= getattr(xproto.KeyButMask, part) else: if len(part) == 1: part = part.lower() keycode = lookup_string(conn, part) return modifiers, keycode
Finds the keycode associated with a string representation of a keysym. :param kstr: English representation of a keysym. :return: Keycode, if one exists. :rtype: int def lookup_string(conn, kstr): """ Finds the keycode associated with a string representation of a keysym. :param kstr: English representation of a keysym. :return: Keycode, if one exists. :rtype: int """ if kstr in keysyms: return get_keycode(conn, keysyms[kstr]) elif len(kstr) > 1 and kstr.capitalize() in keysyms: return get_keycode(conn, keysyms[kstr.capitalize()]) return None
Return a keyboard mapping cookie that can be used to fetch the table of keysyms in the current X environment. :rtype: xcb.xproto.GetKeyboardMappingCookie def get_keyboard_mapping(conn): """ Return a keyboard mapping cookie that can be used to fetch the table of keysyms in the current X environment. :rtype: xcb.xproto.GetKeyboardMappingCookie """ mn, mx = get_min_max_keycode(conn) return conn.core.GetKeyboardMapping(mn, mx - mn + 1)
Return an unchecked keyboard mapping cookie that can be used to fetch the table of keysyms in the current X environment. :rtype: xcb.xproto.GetKeyboardMappingCookie def get_keyboard_mapping_unchecked(conn): """ Return an unchecked keyboard mapping cookie that can be used to fetch the table of keysyms in the current X environment. :rtype: xcb.xproto.GetKeyboardMappingCookie """ mn, mx = get_min_max_keycode() return conn.core.GetKeyboardMappingUnchecked(mn, mx - mn + 1)
Get the keysym associated with a particular keycode in the current X environment. Although we get a list of keysyms from X in 'get_keyboard_mapping', this list is really a table with 'keysys_per_keycode' columns and ``mx - mn`` rows (where ``mx`` is the maximum keycode and ``mn`` is the minimum keycode). Thus, the index for a keysym given a keycode is: ``(keycode - mn) * keysyms_per_keycode + col``. In most cases, setting ``col`` to 0 will work. Witness the utter complexity: http://tronche.com/gui/x/xlib/input/keyboard-encoding.html You may also pass in your own keyboard mapping using the ``kbmap`` parameter, but xpybutil maintains an up-to-date version of this so you shouldn't have to. :param keycode: A physical key represented by an integer. :type keycode: int :param col: The column in the keysym table to use. Unless you know what you're doing, just use 0. :type col: int :param kbmap: The keyboard mapping to use. :type kbmap: xcb.xproto.GetKeyboardMapingReply def get_keysym(conn, keycode, col=0, kbmap=None): """ Get the keysym associated with a particular keycode in the current X environment. Although we get a list of keysyms from X in 'get_keyboard_mapping', this list is really a table with 'keysys_per_keycode' columns and ``mx - mn`` rows (where ``mx`` is the maximum keycode and ``mn`` is the minimum keycode). Thus, the index for a keysym given a keycode is: ``(keycode - mn) * keysyms_per_keycode + col``. In most cases, setting ``col`` to 0 will work. Witness the utter complexity: http://tronche.com/gui/x/xlib/input/keyboard-encoding.html You may also pass in your own keyboard mapping using the ``kbmap`` parameter, but xpybutil maintains an up-to-date version of this so you shouldn't have to. :param keycode: A physical key represented by an integer. :type keycode: int :param col: The column in the keysym table to use. Unless you know what you're doing, just use 0. :type col: int :param kbmap: The keyboard mapping to use. :type kbmap: xcb.xproto.GetKeyboardMapingReply """ if kbmap is None: kbmap = __kbmap mn, mx = get_min_max_keycode(conn) per = kbmap.keysyms_per_keycode ind = (keycode - mn) * per + col return kbmap.keysyms[ind]
Given a keysym, find the keycode mapped to it in the current X environment. It is necessary to search the keysym table in order to do this, including all columns. :param keysym: An X keysym. :return: A keycode or None if one could not be found. :rtype: int def get_keycode(conn, keysym): """ Given a keysym, find the keycode mapped to it in the current X environment. It is necessary to search the keysym table in order to do this, including all columns. :param keysym: An X keysym. :return: A keycode or None if one could not be found. :rtype: int """ mn, mx = get_min_max_keycode(conn) cols = __kbmap.keysyms_per_keycode for i in range(mn, mx + 1): for j in range(0, cols): ks = get_keysym(conn, i, col=j) if ks == keysym: return i return None
Fetches and creates the keycode -> modifier mask mapping. Typically, you shouldn't have to use this---xpybutil will keep this up to date if it changes. This function may be useful in that it should closely replicate the output of the ``xmodmap`` command. For example: :: keymods = get_keys_to_mods() for kc in sorted(keymods, key=lambda kc: keymods[kc]): print keymods[kc], hex(kc), get_keysym_string(get_keysym(kc)) Which will very closely replicate ``xmodmap``. I'm not getting precise results quite yet, but I do believe I'm getting at least most of what matters. (i.e., ``xmodmap`` returns valid keysym strings for some that I cannot.) :return: A dict mapping from keycode to modifier mask. :rtype: dict def get_keys_to_mods(conn): """ Fetches and creates the keycode -> modifier mask mapping. Typically, you shouldn't have to use this---xpybutil will keep this up to date if it changes. This function may be useful in that it should closely replicate the output of the ``xmodmap`` command. For example: :: keymods = get_keys_to_mods() for kc in sorted(keymods, key=lambda kc: keymods[kc]): print keymods[kc], hex(kc), get_keysym_string(get_keysym(kc)) Which will very closely replicate ``xmodmap``. I'm not getting precise results quite yet, but I do believe I'm getting at least most of what matters. (i.e., ``xmodmap`` returns valid keysym strings for some that I cannot.) :return: A dict mapping from keycode to modifier mask. :rtype: dict """ mm = xproto.ModMask modmasks = [mm.Shift, mm.Lock, mm.Control, mm._1, mm._2, mm._3, mm._4, mm._5] # order matters mods = conn.core.GetModifierMapping().reply() res = {} keyspermod = mods.keycodes_per_modifier for mmi in range(0, len(modmasks)): row = mmi * keyspermod for kc in mods.keycodes[row:row + keyspermod]: res[kc] = modmasks[mmi] return res
Takes a ``state`` (typically found in key press or button press events) and returns a string list representation of the modifiers that were pressed when generating the event. :param state: Typically from ``some_event.state``. :return: List of modifier string representations. :rtype: [str] def get_modifiers(state): """ Takes a ``state`` (typically found in key press or button press events) and returns a string list representation of the modifiers that were pressed when generating the event. :param state: Typically from ``some_event.state``. :return: List of modifier string representations. :rtype: [str] """ ret = [] if state & xproto.ModMask.Shift: ret.append('Shift') if state & xproto.ModMask.Lock: ret.append('Lock') if state & xproto.ModMask.Control: ret.append('Control') if state & xproto.ModMask._1: ret.append('Mod1') if state & xproto.ModMask._2: ret.append('Mod2') if state & xproto.ModMask._3: ret.append('Mod3') if state & xproto.ModMask._4: ret.append('Mod4') if state & xproto.ModMask._5: ret.append('Mod5') if state & xproto.KeyButMask.Button1: ret.append('Button1') if state & xproto.KeyButMask.Button2: ret.append('Button2') if state & xproto.KeyButMask.Button3: ret.append('Button3') if state & xproto.KeyButMask.Button4: ret.append('Button4') if state & xproto.KeyButMask.Button5: ret.append('Button5') return ret
Grabs a key for a particular window and a modifiers/key value. If the grab was successful, return True. Otherwise, return False. If your client is grabbing keys, it is useful to notify the user if a key wasn't grabbed. Keyboard shortcuts not responding is disorienting! Also, this function will grab several keys based on varying modifiers. Namely, this accounts for all of the "trivial" modifiers that may have an effect on X events, but probably shouldn't effect key grabbing. (i.e., whether num lock or caps lock is on.) N.B. You should probably be using 'bind_key' or 'bind_global_key' instead. :param wid: A window identifier. :type wid: int :param modifiers: A modifier mask. :type modifiers: int :param key: A keycode. :type key: int :rtype: bool def grab_key(conn, wid, modifiers, key): """ Grabs a key for a particular window and a modifiers/key value. If the grab was successful, return True. Otherwise, return False. If your client is grabbing keys, it is useful to notify the user if a key wasn't grabbed. Keyboard shortcuts not responding is disorienting! Also, this function will grab several keys based on varying modifiers. Namely, this accounts for all of the "trivial" modifiers that may have an effect on X events, but probably shouldn't effect key grabbing. (i.e., whether num lock or caps lock is on.) N.B. You should probably be using 'bind_key' or 'bind_global_key' instead. :param wid: A window identifier. :type wid: int :param modifiers: A modifier mask. :type modifiers: int :param key: A keycode. :type key: int :rtype: bool """ try: for mod in TRIVIAL_MODS: conn.core.GrabKeyChecked(True, wid, modifiers | mod, key, GM.Async, GM.Async).check() return True except xproto.BadAccess: return False
Ungrabs a key that was grabbed by ``grab_key``. Similarly, it will return True on success and False on failure. When ungrabbing a key, the parameters to this function should be *precisely* the same as the parameters to ``grab_key``. :param wid: A window identifier. :type wid: int :param modifiers: A modifier mask. :type modifiers: int :param key: A keycode. :type key: int :rtype: bool def ungrab_key(conn, wid, modifiers, key): """ Ungrabs a key that was grabbed by ``grab_key``. Similarly, it will return True on success and False on failure. When ungrabbing a key, the parameters to this function should be *precisely* the same as the parameters to ``grab_key``. :param wid: A window identifier. :type wid: int :param modifiers: A modifier mask. :type modifiers: int :param key: A keycode. :type key: int :rtype: bool """ try: for mod in TRIVIAL_MODS: conn.core.UngrabKeyChecked(key, wid, modifiers | mod).check() return True except xproto.BadAccess: return False
Whenever the keyboard mapping is changed, this function needs to be called to update xpybutil's internal representing of the current keysym table. Indeed, xpybutil will do this for you automatically. Moreover, if something is changed that affects the current keygrabs, xpybutil will initiate a regrab with the changed keycode. :param e: The MappingNotify event. :type e: xcb.xproto.MappingNotifyEvent :rtype: void def update_keyboard_mapping(conn, e): """ Whenever the keyboard mapping is changed, this function needs to be called to update xpybutil's internal representing of the current keysym table. Indeed, xpybutil will do this for you automatically. Moreover, if something is changed that affects the current keygrabs, xpybutil will initiate a regrab with the changed keycode. :param e: The MappingNotify event. :type e: xcb.xproto.MappingNotifyEvent :rtype: void """ global __kbmap, __keysmods newmap = get_keyboard_mapping(conn).reply() if e is None: __kbmap = newmap __keysmods = get_keys_to_mods(conn) return if e.request == xproto.Mapping.Keyboard: changes = {} for kc in range(*get_min_max_keycode(conn)): knew = get_keysym(kc, kbmap=newmap) oldkc = get_keycode(conn, knew) if oldkc != kc: changes[oldkc] = kc __kbmap = newmap __regrab(changes) elif e.request == xproto.Mapping.Modifier: __keysmods = get_keys_to_mods()
A function that intercepts all key press/release events, and runs their corresponding callback functions. Nothing much to see here, except that we must mask out the trivial modifiers from the state in order to find the right callback. Callbacks are called in the order that they have been added. (FIFO.) :param e: A Key{Press,Release} event. :type e: xcb.xproto.Key{Press,Release}Event :rtype: bool True if the callback was serviced def run_keybind_callbacks(e): """ A function that intercepts all key press/release events, and runs their corresponding callback functions. Nothing much to see here, except that we must mask out the trivial modifiers from the state in order to find the right callback. Callbacks are called in the order that they have been added. (FIFO.) :param e: A Key{Press,Release} event. :type e: xcb.xproto.Key{Press,Release}Event :rtype: bool True if the callback was serviced """ kc, mods = e.detail, e.state for mod in TRIVIAL_MODS: mods &= ~mod key = (e.event, mods, kc) serviced = False for cb in __keybinds.get(key, []): try: cb(e) serviced = True except TypeError: cb() return serviced
Takes a dictionary of changes (mapping old keycode to new keycode) and regrabs any keys that have been changed with the updated keycode. :param changes: Mapping of changes from old keycode to new keycode. :type changes: dict :rtype: void def __regrab(changes): """ Takes a dictionary of changes (mapping old keycode to new keycode) and regrabs any keys that have been changed with the updated keycode. :param changes: Mapping of changes from old keycode to new keycode. :type changes: dict :rtype: void """ for wid, mods, kc in __keybinds.keys(): if kc in changes: ungrab_key(wid, mods, kc) grab_key(wid, mods, changes[kc]) old = (wid, mods, kc) new = (wid, mods, changes[kc]) __keybinds[new] = __keybinds[old] del __keybinds[old]
Return a list of Storage objects from the API. Storage types: public, private, normal, backup, cdrom, template, favorite def get_storages(self, storage_type='normal'): """ Return a list of Storage objects from the API. Storage types: public, private, normal, backup, cdrom, template, favorite """ res = self.get_request('/storage/' + storage_type) return Storage._create_storage_objs(res['storages'], cloud_manager=self)
Return a Storage object from the API. def get_storage(self, storage): """ Return a Storage object from the API. """ res = self.get_request('/storage/' + str(storage)) return Storage(cloud_manager=self, **res['storage'])
Create a Storage object. Returns an object based on the API's response. def create_storage(self, size=10, tier='maxiops', title='Storage disk', zone='fi-hel1', backup_rule={}): """ Create a Storage object. Returns an object based on the API's response. """ body = { 'storage': { 'size': size, 'tier': tier, 'title': title, 'zone': zone, 'backup_rule': backup_rule } } res = self.post_request('/storage', body) return Storage(cloud_manager=self, **res['storage'])
Modify a Storage object. Returns an object based on the API's response. def modify_storage(self, storage, size, title, backup_rule={}): """ Modify a Storage object. Returns an object based on the API's response. """ res = self._modify_storage(str(storage), size, title, backup_rule) return Storage(cloud_manager=self, **res['storage'])
Attach a Storage object to a Server. Return a list of the server's storages. def attach_storage(self, server, storage, storage_type, address): """ Attach a Storage object to a Server. Return a list of the server's storages. """ body = {'storage_device': {}} if storage: body['storage_device']['storage'] = str(storage) if storage_type: body['storage_device']['type'] = storage_type if address: body['storage_device']['address'] = address url = '/server/{0}/storage/attach'.format(server) res = self.post_request(url, body) return Storage._create_storage_objs(res['server']['storage_devices'], cloud_manager=self)
Detach a Storage object to a Server. Return a list of the server's storages. def detach_storage(self, server, address): """ Detach a Storage object to a Server. Return a list of the server's storages. """ body = {'storage_device': {'address': address}} url = '/server/{0}/storage/detach'.format(server) res = self.post_request(url, body) return Storage._create_storage_objs(res['server']['storage_devices'], cloud_manager=self)
Reset after repopulating from API. def _reset(self, **kwargs): """ Reset after repopulating from API. """ # there are some inconsistenciens in the API regarding these # note: this could be written in fancier ways, but this way is simpler if 'uuid' in kwargs: self.uuid = kwargs['uuid'] elif 'storage' in kwargs: # let's never use storage.storage internally self.uuid = kwargs['storage'] if 'title' in kwargs: self.title = kwargs['title'] elif 'storage_title' in kwargs: self.title = kwargs['storage_title'] if 'size' in kwargs: self.size = kwargs['size'] elif 'storage_size' in kwargs: self.size = kwargs['storage_size'] # send the rest to super._reset filtered_kwargs = dict( (key, val) for key, val in kwargs.items() if key not in ['uuid', 'storage', 'title', 'storage_title', 'size', 'storage_size'] ) super(Storage, self)._reset(**filtered_kwargs)
Save (modify) the storage to the API. Note: only size and title are updateable fields. def save(self): """ Save (modify) the storage to the API. Note: only size and title are updateable fields. """ res = self.cloud_manager._modify_storage(self, self.size, self.title) self._reset(**res['storage'])
Return a dict that can be serialised to JSON and sent to UpCloud's API. Uses the convenience attribute `os` for determining `action` and `storage` fields. def to_dict(self): """ Return a dict that can be serialised to JSON and sent to UpCloud's API. Uses the convenience attribute `os` for determining `action` and `storage` fields. """ body = { 'tier': self.tier, 'title': self.title, 'size': self.size, } # optionals if hasattr(self, 'address') and self.address: body['address'] = self.address if hasattr(self, 'zone') and self.zone: body['zone'] = self.zone return body
Fetches an album by given ID. :param album_id: the album ID. :type album_id: str :param terr: the current territory. :return: API response. :rtype: dict See `https://docs-en.kkbox.codes/v1.1/reference#albums-album_id`. def fetch_album(self, album_id, terr=KKBOXTerritory.TAIWAN): ''' Fetches an album by given ID. :param album_id: the album ID. :type album_id: str :param terr: the current territory. :return: API response. :rtype: dict See `https://docs-en.kkbox.codes/v1.1/reference#albums-album_id`. ''' url = 'https://api.kkbox.com/v1.1/albums/%s' % album_id url += '?' + url_parse.urlencode({'territory': terr}) return self.http._post_data(url, None, self.http._headers_with_access_token())
Prints name, author, size and age def lookup(self): """ Prints name, author, size and age """ print "%s by %s, size: %s, uploaded %s ago" % (self.name, self.author, self.size, self.age)
Open url and return amount of pages def _get_max_page(self, url): """ Open url and return amount of pages """ html = requests.get(url).text pq = PyQuery(html) try: tds = int(pq("h2").text().split()[-1]) if tds % 25: return tds / 25 + 1 return tds / 25 except ValueError: raise ValueError("No results found!")
Build and return url. Also update max_page. def build(self, update=True): """ Build and return url. Also update max_page. """ ret = self.base + self.query page = "".join(("/", str(self.page), "/")) if self.category: category = " category:" + self.category else: category = "" if self.order: order = "".join(("?field=", self.order[0], "&sorder=", self.order[1])) else: order = "" ret = "".join((self.base, self.query, category, page, order)) if update: self.max_page = self._get_max_page(ret) return ret
Build and return url. Also update max_page. URL structure for user torrent lists differs from other result lists as the page number is part of the query string and not the URL path def build(self, update=True): """ Build and return url. Also update max_page. URL structure for user torrent lists differs from other result lists as the page number is part of the query string and not the URL path """ query_str = "?page={}".format(self.page) if self.order: query_str += "".join(("&field=", self.order[0], "&sorder=",self.order[1])) ret = "".join((self.base, self.user, "/uploads/", query_str)) if update: self.max_page = self._get_max_page(ret) return ret
Parse url and yield namedtuple Torrent for every torrent on page def _items(self): """ Parse url and yield namedtuple Torrent for every torrent on page """ torrents = map(self._get_torrent, self._get_rows()) for t in torrents: yield t
Parse row into namedtuple def _get_torrent(self, row): """ Parse row into namedtuple """ td = row("td") name = td("a.cellMainLink").text() name = name.replace(" . ", ".").replace(" .", ".") author = td("a.plain").text() verified_author = True if td(".lightgrey>.ka-verify") else False category = td("span").find("strong").find("a").eq(0).text() verified_torrent = True if td(".icon16>.ka-green") else False comments = td(".iaconbox>.icommentjs>.iconvalue").text() torrent_link = "http://" + BASE.domain if td("a.cellMainLink").attr("href") is not None: torrent_link += td("a.cellMainLink").attr("href") magnet_link = td("a[data-nop]").eq(1).attr("href") download_link = td("a[data-download]").attr("href") td_centers = row("td.center") size = td_centers.eq(0).text() files = td_centers.eq(1).text() age = " ".join(td_centers.eq(2).text().split()) seed = td_centers.eq(3).text() leech = td_centers.eq(4).text() return Torrent(name, author, verified_author, category, size, files, age, seed, leech, verified_torrent, comments, torrent_link, magnet_link, download_link)
Return all rows on page def _get_rows(self): """ Return all rows on page """ html = requests.get(self.url.build()).text if re.search('did not match any documents', html): return [] pq = PyQuery(html) rows = pq("table.data").find("tr") return map(rows.eq, range(rows.size()))[1:]
Yield torrents in range from page_from to page_to def pages(self, page_from, page_to): """ Yield torrents in range from page_from to page_to """ if not all([page_from < self.url.max_page, page_from > 0, page_to <= self.url.max_page, page_to > page_from]): raise IndexError("Invalid page numbers") size = (page_to + 1) - page_from threads = ret = [] page_list = range(page_from, page_to+1) locks = [threading.Lock() for i in range(size)] for lock in locks[1:]: lock.acquire() def t_function(pos): """ Thread function that fetch page for list of torrents """ res = self.page(page_list[pos]).list() locks[pos].acquire() ret.extend(res) if pos != size-1: locks[pos+1].release() threads = [threading.Thread(target=t_function, args=(i,)) for i in range(size)] for thread in threads: thread.start() for thread in threads: thread.join() for torrent in ret: yield torrent
Yield torrents in range from current page to last page def all(self): """ Yield torrents in range from current page to last page """ return self.pages(self.url.page, self.url.max_page)
Set field and order set by arguments def order(self, field, order=None): """ Set field and order set by arguments """ if not order: order = ORDER.DESC self.url.order = (field, order) self.url.set_page(1) return self
Change category of current search and return self def category(self, category): """ Change category of current search and return self """ self.url.category = category self.url.set_page(1) return self
Remove this FirewallRule from the API. This instance must be associated with a server for this method to work, which is done by instantiating via server.get_firewall_rules(). def destroy(self): """ Remove this FirewallRule from the API. This instance must be associated with a server for this method to work, which is done by instantiating via server.get_firewall_rules(). """ if not hasattr(self, 'server') or not self.server: raise Exception( """FirewallRule not associated with server; please use or server.get_firewall_rules() to get objects that are associated with a server. """) return self.server.cloud_manager.delete_firewall_rule( self.server.uuid, self.position )
Fetches new release categories by given ID. :param category_id: the station ID. :type category_id: str :param terr: the current territory. :return: API response. :rtype: list See `https://docs-en.kkbox.codes/v1.1/reference#newreleasecategories-category_id` def fetch_new_release_category(self, category_id, terr=KKBOXTerritory.TAIWAN): ''' Fetches new release categories by given ID. :param category_id: the station ID. :type category_id: str :param terr: the current territory. :return: API response. :rtype: list See `https://docs-en.kkbox.codes/v1.1/reference#newreleasecategories-category_id` ''' url = 'https://api.kkbox.com/v1.1/new-release-categories/%s' % category_id url += '?' + url_parse.urlencode({'territory': terr}) return self.http._post_data(url, None, self.http._headers_with_access_token())
Fetcher top tracks belong to an artist by given ID. :param artist_id: the artist ID. :type artist_id: str :param terr: the current territory. :return: API response. :rtype: dict See 'https://docs-en.kkbox.codes/v1.1/reference#artists-artist_id-toptracks' def fetch_top_tracks_of_artist(self, artist_id, terr=KKBOXTerritory.TAIWAN): ''' Fetcher top tracks belong to an artist by given ID. :param artist_id: the artist ID. :type artist_id: str :param terr: the current territory. :return: API response. :rtype: dict See 'https://docs-en.kkbox.codes/v1.1/reference#artists-artist_id-toptracks' ''' url = 'https://api.kkbox.com/v1.1/artists/%s/top-tracks' % artist_id url += '?' + url_parse.urlencode({'territory': terr}) return self.http._post_data(url, None, self.http._headers_with_access_token())
List all tags as Tag objects. def get_tags(self): """List all tags as Tag objects.""" res = self.get_request('/tag') return [Tag(cloud_manager=self, **tag) for tag in res['tags']['tag']]
Return the tag as Tag object. def get_tag(self, name): """Return the tag as Tag object.""" res = self.get_request('/tag/' + name) return Tag(cloud_manager=self, **res['tag'])
Create a new Tag. Only name is mandatory. Returns the created Tag object. def create_tag(self, name, description=None, servers=[]): """ Create a new Tag. Only name is mandatory. Returns the created Tag object. """ servers = [str(server) for server in servers] body = {'tag': Tag(name, description, servers).to_dict()} res = self.request('POST', '/tag', body) return Tag(cloud_manager=self, **res['tag'])
PUT /tag/name. Returns a dict that can be used to create a Tag object. Private method used by the Tag class and TagManager.modify_tag. def _modify_tag(self, name, description, servers, new_name): """ PUT /tag/name. Returns a dict that can be used to create a Tag object. Private method used by the Tag class and TagManager.modify_tag. """ body = {'tag': Tag(new_name, description, servers).to_dict()} res = self.request('PUT', '/tag/' + name, body) return res['tag']
PUT /tag/name. Returns a new Tag object based on the API response. def modify_tag(self, name, description=None, servers=None, new_name=None): """ PUT /tag/name. Returns a new Tag object based on the API response. """ res = self._modify_tag(name, description, servers, new_name) return Tag(cloud_manager=self, **res['tag'])
Remove tags from a server. - server: Server object or UUID string - tags: list of Tag objects or strings def remove_tags(self, server, tags): """ Remove tags from a server. - server: Server object or UUID string - tags: list of Tag objects or strings """ uuid = str(server) tags = [str(tag) for tag in tags] url = '/server/{0}/untag/{1}'.format(uuid, ','.join(tags)) return self.post_request(url)
Helper for assigning object attributes from API responses. def assignIfExists(opts, default=None, **kwargs): """ Helper for assigning object attributes from API responses. """ for opt in opts: if(opt in kwargs): return kwargs[opt] return default
Try a given operation (API call) n times. Raises if the API call fails with an error_code that is not expected. Raises if the API call has not succeeded within n attempts. Waits 3 seconds betwee each attempt. def try_it_n_times(operation, expected_error_codes, custom_error='operation failed', n=10): """ Try a given operation (API call) n times. Raises if the API call fails with an error_code that is not expected. Raises if the API call has not succeeded within n attempts. Waits 3 seconds betwee each attempt. """ for i in itertools.count(): try: operation() break except UpCloudAPIError as e: if e.error_code not in expected_error_codes: raise e sleep(3) if i >= n - 1: raise UpCloudClientError(custom_error)
Extract a pseudorandom key suitable for use with hkdf_expand from the input_key_material and a salt using HMAC with the provided hash (default SHA-512). salt should be a random, application-specific byte string. If salt is None or the empty string, an all-zeros string of the same length as the hash's block size will be used instead per the RFC. See the HKDF draft RFC and paper for usage notes. def hkdf_extract(salt, input_key_material, hash=hashlib.sha512): ''' Extract a pseudorandom key suitable for use with hkdf_expand from the input_key_material and a salt using HMAC with the provided hash (default SHA-512). salt should be a random, application-specific byte string. If salt is None or the empty string, an all-zeros string of the same length as the hash's block size will be used instead per the RFC. See the HKDF draft RFC and paper for usage notes. ''' hash_len = hash().digest_size if salt == None or len(salt) == 0: salt = bytearray((0,) * hash_len) return hmac.new(bytes(salt), buffer(input_key_material), hash).digest()
Expand `pseudo_random_key` and `info` into a key of length `bytes` using HKDF's expand function based on HMAC with the provided hash (default SHA-512). See the HKDF draft RFC and paper for usage notes. def hkdf_expand(pseudo_random_key, info=b"", length=32, hash=hashlib.sha512): ''' Expand `pseudo_random_key` and `info` into a key of length `bytes` using HKDF's expand function based on HMAC with the provided hash (default SHA-512). See the HKDF draft RFC and paper for usage notes. ''' hash_len = hash().digest_size length = int(length) if length > 255 * hash_len: raise Exception("Cannot expand to more than 255 * %d = %d bytes using the specified hash function" %\ (hash_len, 255 * hash_len)) blocks_needed = length // hash_len + (0 if length % hash_len == 0 else 1) # ceil okm = b"" output_block = b"" for counter in range(blocks_needed): output_block = hmac.new(pseudo_random_key, buffer(output_block + info + bytearray((counter + 1,))),\ hash).digest() okm += output_block return okm[:length]
Generate output key material based on an `info` value Arguments: - info - context to generate the OKM - length - length in bytes of the key to generate See the HKDF draft RFC for guidance. def expand(self, info=b"", length=32): ''' Generate output key material based on an `info` value Arguments: - info - context to generate the OKM - length - length in bytes of the key to generate See the HKDF draft RFC for guidance. ''' return hkdf_expand(self._prk, info, length, self._hash)
Helper function for creating Server.login_user blocks. (see: https://www.upcloud.com/api/8-servers/#create-server) def login_user_block(username, ssh_keys, create_password=True): """ Helper function for creating Server.login_user blocks. (see: https://www.upcloud.com/api/8-servers/#create-server) """ block = { 'create_password': 'yes' if create_password is True else 'no', 'ssh_keys': { 'ssh_key': ssh_keys } } if username: block['username'] = username return block
Reset the server object with new values given as params. - server: a dict representing the server. e.g the API response. - kwargs: any meta fields such as cloud_manager and populated. Note: storage_devices and ip_addresses may be given in server as dicts or in kwargs as lists containing Storage and IPAddress objects. def _reset(self, server, **kwargs): """ Reset the server object with new values given as params. - server: a dict representing the server. e.g the API response. - kwargs: any meta fields such as cloud_manager and populated. Note: storage_devices and ip_addresses may be given in server as dicts or in kwargs as lists containing Storage and IPAddress objects. """ if server: # handle storage, ip_address dicts and tags if they exist Server._handle_server_subobjs(server, kwargs.get('cloud_manager')) for key in server: object.__setattr__(self, key, server[key]) for key in kwargs: object.__setattr__(self, key, kwargs[key])
Sync changes from the API to the local object. Note: syncs ip_addresses and storage_devices too (/server/uuid endpoint) def populate(self): """ Sync changes from the API to the local object. Note: syncs ip_addresses and storage_devices too (/server/uuid endpoint) """ server, IPAddresses, storages = self.cloud_manager.get_server_data(self.uuid) self._reset( server, ip_addresses=IPAddresses, storage_devices=storages, populated=True ) return self
Sync local changes in server's attributes to the API. Note: DOES NOT sync IPAddresses and storage_devices, use add_ip, add_storage, remove_ip, remove_storage instead. def save(self): """ Sync local changes in server's attributes to the API. Note: DOES NOT sync IPAddresses and storage_devices, use add_ip, add_storage, remove_ip, remove_storage instead. """ # dict comprehension that also works with 2.6 # http://stackoverflow.com/questions/21069668/alternative-to-dict-comprehension-prior-to-python-2-7 kwargs = dict( (field, getattr(self, field)) for field in self.updateable_fields if hasattr(self, field) ) self.cloud_manager.modify_server(self.uuid, **kwargs) self._reset(kwargs)
Shutdown/stop the server. By default, issue a soft shutdown with a timeout of 30s. After the a timeout a hard shutdown is performed if the server has not stopped. Note: API responds immediately (unlike in start), with state: started. This client will, however, set state as 'maintenance' to signal that the server is neither started nor stopped. def shutdown(self, hard=False, timeout=30): """ Shutdown/stop the server. By default, issue a soft shutdown with a timeout of 30s. After the a timeout a hard shutdown is performed if the server has not stopped. Note: API responds immediately (unlike in start), with state: started. This client will, however, set state as 'maintenance' to signal that the server is neither started nor stopped. """ body = dict() body['stop_server'] = { 'stop_type': 'hard' if hard else 'soft', 'timeout': '{0}'.format(timeout) } path = '/server/{0}/stop'.format(self.uuid) self.cloud_manager.post_request(path, body) object.__setattr__(self, 'state', 'maintenance')
Start the server. Note: slow and blocking request. The API waits for confirmation from UpCloud's IaaS backend before responding. def start(self, timeout=120): """ Start the server. Note: slow and blocking request. The API waits for confirmation from UpCloud's IaaS backend before responding. """ path = '/server/{0}/start'.format(self.uuid) self.cloud_manager.post_request(path, timeout=timeout) object.__setattr__(self, 'state', 'started')
Restart the server. By default, issue a soft restart with a timeout of 30s and a hard restart after the timeout. After the a timeout a hard restart is performed if the server has not stopped. Note: API responds immediately (unlike in start), with state: started. This client will, however, set state as 'maintenance' to signal that the server is neither started nor stopped. def restart(self, hard=False, timeout=30, force=True): """ Restart the server. By default, issue a soft restart with a timeout of 30s and a hard restart after the timeout. After the a timeout a hard restart is performed if the server has not stopped. Note: API responds immediately (unlike in start), with state: started. This client will, however, set state as 'maintenance' to signal that the server is neither started nor stopped. """ body = dict() body['restart_server'] = { 'stop_type': 'hard' if hard else 'soft', 'timeout': '{0}'.format(timeout), 'timeout_action': 'destroy' if force else 'ignore' } path = '/server/{0}/restart'.format(self.uuid) self.cloud_manager.post_request(path, body) object.__setattr__(self, 'state', 'maintenance')
Allocate a new (random) IP-address to the Server. def add_ip(self, family='IPv4'): """ Allocate a new (random) IP-address to the Server. """ IP = self.cloud_manager.attach_ip(self.uuid, family) self.ip_addresses.append(IP) return IP
Release the specified IP-address from the server. def remove_ip(self, IPAddress): """ Release the specified IP-address from the server. """ self.cloud_manager.release_ip(IPAddress.address) self.ip_addresses.remove(IPAddress)
Attach the given storage to the Server. Default address is next available. def add_storage(self, storage=None, type='disk', address=None): """ Attach the given storage to the Server. Default address is next available. """ self.cloud_manager.attach_storage(server=self.uuid, storage=storage.uuid, storage_type=type, address=address) storage.address = address storage.type = type self.storage_devices.append(storage)
Remove Storage from a Server. The Storage must be a reference to an object in Server.storage_devices or the method will throw and Exception. A Storage from get_storage(uuid) will not work as it is missing the 'address' property. def remove_storage(self, storage): """ Remove Storage from a Server. The Storage must be a reference to an object in Server.storage_devices or the method will throw and Exception. A Storage from get_storage(uuid) will not work as it is missing the 'address' property. """ if not hasattr(storage, 'address'): raise Exception( ('Storage does not have an address. ' 'Access the Storage via Server.storage_devices ' 'so they include an address. ' '(This is due how the API handles Storages)') ) self.cloud_manager.detach_storage(server=self.uuid, address=storage.address) self.storage_devices.remove(storage)