def main(): if iswindows: if '--multiprocessing-fork' in sys.argv: # We are using the multiprocessing module on windows to launch a # worker process from multiprocessing import freeze_support freeze_support() return 0 # Close open file descriptors inherited from parent # On Unix this is done by the subprocess module os.closerange(3, 256) if isosx and 'CALIBRE_WORKER_ADDRESS' not in os.environ and 'CALIBRE_SIMPLE_WORKER' not in os.environ and '--pipe-worker' not in sys.argv: # On some OS X computers launchd apparently tries to # launch the last run process from the bundle # so launch the gui as usual from calibre.gui2.main import main as gui_main return gui_main(['calibre']) csw = os.environ.get('CALIBRE_SIMPLE_WORKER', None) if csw: mod, _, func = csw.partition(':') mod = importlib.import_module(mod) func = getattr(mod, func) func() return if '--pipe-worker' in sys.argv: try: exec (sys.argv[-1]) except Exception: print('Failed to run pipe worker with command:', sys.argv[-1]) raise return address = cPickle.loads(unhexlify(os.environ['CALIBRE_WORKER_ADDRESS'])) key = unhexlify(os.environ['CALIBRE_WORKER_KEY']) resultf = unhexlify(os.environ['CALIBRE_WORKER_RESULT']).decode('utf-8') with closing(Client(address, authkey=key)) as conn: name, args, kwargs, desc = eintr_retry_call(conn.recv) if desc: prints(desc) sys.stdout.flush() func, notification = get_func(name) notifier = Progress(conn) if notification: kwargs[notification] = notifier notifier.start() result = func(*args, **kwargs) if result is not None and os.path.exists(os.path.dirname(resultf)): cPickle.dump(result, open(resultf, 'wb'), -1) notifier.queue.put(None) try: sys.stdout.flush() except EnvironmentError: pass # Happens sometimes on OS X for GUI processes (EPIPE) try: sys.stderr.flush() except EnvironmentError: pass # Happens sometimes on OS X for GUI processes (EPIPE) return 0
def main(): if iswindows: if '--multiprocessing-fork' in sys.argv: # We are using the multiprocessing module on windows to launch a # worker process from multiprocessing import freeze_support freeze_support() return 0 # Close open file descriptors inherited from parent # On Unix this is done by the subprocess module os.closerange(3, 256) if isosx and 'CALIBRE_WORKER_ADDRESS' not in os.environ and 'CALIBRE_SIMPLE_WORKER' not in os.environ and '--pipe-worker' not in sys.argv: # On some OS X computers launchd apparently tries to # launch the last run process from the bundle # so launch the gui as usual from calibre.gui2.main import main as gui_main return gui_main(['calibre']) csw = os.environ.get('CALIBRE_SIMPLE_WORKER', None) if csw: mod, _, func = csw.partition(':') mod = importlib.import_module(mod) func = getattr(mod, func) func() return if '--pipe-worker' in sys.argv: try: exec(sys.argv[-1]) except Exception: print('Failed to run pipe worker with command:', sys.argv[-1]) raise return address = pickle.loads(unhexlify(os.environ['CALIBRE_WORKER_ADDRESS'])) key = unhexlify(os.environ['CALIBRE_WORKER_KEY']) resultf = unhexlify(os.environ['CALIBRE_WORKER_RESULT']).decode('utf-8') with closing(Client(address, authkey=key)) as conn: name, args, kwargs, desc = eintr_retry_call(conn.recv) if desc: prints(desc) sys.stdout.flush() func, notification = get_func(name) notifier = Progress(conn) if notification: kwargs[notification] = notifier notifier.start() result = func(*args, **kwargs) if result is not None and os.path.exists(os.path.dirname(resultf)): pickle.dump(result, open(resultf, 'wb'), -1) notifier.queue.put(None) try: sys.stdout.flush() except EnvironmentError: pass # Happens sometimes on OS X for GUI processes (EPIPE) try: sys.stderr.flush() except EnvironmentError: pass # Happens sometimes on OS X for GUI processes (EPIPE) return 0
def main(): if iswindows: if '--multiprocessing-fork' in sys.argv: # We are using the multiprocessing module on windows to launch a # worker process from multiprocessing import freeze_support freeze_support() return 0 if ismacos and 'CALIBRE_WORKER_FD' not in os.environ and 'CALIBRE_SIMPLE_WORKER' not in os.environ and '--pipe-worker' not in sys.argv: # On some OS X computers launchd apparently tries to # launch the last run process from the bundle # so launch the gui as usual from calibre.gui2.main import main as gui_main return gui_main(['calibre']) niceness = os.environ.pop('CALIBRE_WORKER_NICENESS', None) if niceness: try: os.nice(int(niceness)) except Exception: pass csw = os.environ.pop('CALIBRE_SIMPLE_WORKER', None) if csw: mod, _, func = csw.partition(':') mod = importlib.import_module(mod) func = getattr(mod, func) func() return if '--pipe-worker' in sys.argv: try: exec(sys.argv[-1]) except Exception: print('Failed to run pipe worker with command:', sys.argv[-1]) sys.stdout.flush() raise return fd = int(os.environ['CALIBRE_WORKER_FD']) resultf = from_hex_unicode(os.environ['CALIBRE_WORKER_RESULT']) with Connection(fd) as conn: name, args, kwargs, desc = eintr_retry_call(conn.recv) if desc: prints(desc) sys.stdout.flush() func, notification = get_func(name) notifier = Progress(conn) if notification: kwargs[notification] = notifier notifier.start() result = func(*args, **kwargs) if result is not None: os.makedirs(os.path.dirname(resultf), exist_ok=True) with lopen(resultf, 'wb') as f: f.write(pickle_dumps(result)) notifier.queue.put(None) try: sys.stdout.flush() except OSError: pass # Happens sometimes on OS X for GUI processes (EPIPE) try: sys.stderr.flush() except OSError: pass # Happens sometimes on OS X for GUI processes (EPIPE) return 0