def get_PennTreeBank(data_dir=None):
if data_dir is None:
data_dir = get_dataset_path('ptb_data')
if not os.path.isfile(os.path.join(data_dir, 'ptb.train.txt')):
download(TRAIN_URL, data_dir)
download(VALID_URL, data_dir)
download(TEST_URL, data_dir)
word_to_id = tfreader._build_vocab(os.path.join(data_dir, 'ptb.train.txt'))
data3 = [np.asarray(tfreader._file_to_word_ids(os.path.join(data_dir, fname), word_to_id))
for fname in ['ptb.train.txt', 'ptb.valid.txt', 'ptb.test.txt']]
return data3, word_to_id
def __init__(self,
rom_file,
viz=0,
frame_skip=4,
nullop_start=30,
live_lost_as_eoe=True,
max_num_frames=0):
"""
Args:
rom_file: path to the rom
frame_skip: skip every k frames and repeat the action
viz: visualization to be done.
Set to 0 to disable.
Set to a positive number to be the delay between frames to show.
Set to a string to be a directory to store frames.
nullop_start: start with random number of null ops.
live_losts_as_eoe: consider lost of lives as end of episode. Useful for training.
max_num_frames: maximum number of frames per episode.
"""
super(AtariPlayer, self).__init__()
if not os.path.isfile(rom_file) and '/' not in rom_file:
rom_file = get_dataset_path('atari_rom', rom_file)
assert os.path.isfile(rom_file), \
"rom {} not found. Please download at {}".format(rom_file, ROM_URL)
try:
ALEInterface.setLoggerMode(ALEInterface.Logger.Error)
except AttributeError:
if execute_only_once():
logger.warn("You're not using latest ALE")
# avoid simulator bugs: https://github.com/mgbellemare/Arcade-Learning-Environment/issues/86
with _ALE_LOCK:
self.ale = ALEInterface()
self.rng = get_rng(self)
self.ale.setInt(b"random_seed", self.rng.randint(0, 30000))
self.ale.setInt(b"max_num_frames_per_episode", max_num_frames)
self.ale.setBool(b"showinfo", False)
self.ale.setInt(b"frame_skip", 1)
self.ale.setBool(b'color_averaging', False)
# manual.pdf suggests otherwise.
self.ale.setFloat(b'repeat_action_probability', 0.0)
# viz setup
if isinstance(viz, six.string_types):
assert os.path.isdir(viz), viz
self.ale.setString(b'record_screen_dir', viz)
viz = 0
if isinstance(viz, int):
viz = float(viz)
self.viz = viz
if self.viz and isinstance(self.viz, float):
self.windowname = os.path.basename(rom_file)
cv2.startWindowThread()
cv2.namedWindow(self.windowname)
self.ale.loadROM(rom_file.encode('utf-8'))
self.width, self.height = self.ale.getScreenDims()
self.actions = self.ale.getMinimalActionSet()
self.live_lost_as_eoe = live_lost_as_eoe
self.frame_skip = frame_skip
self.nullop_start = nullop_start
self.action_space = spaces.Discrete(len(self.actions))
self.observation_space = spaces.Box(low=0,
high=255,
shape=(self.height, self.width),
dtype=np.uint8)
self._restart_episode()
def __init__(self, rom_file, viz=0, height_range=(None, None),
frame_skip=4, image_shape=(84, 84), nullop_start=30,
live_lost_as_eoe=True):
"""
:param rom_file: path to the rom
:param frame_skip: skip every k frames and repeat the action
:param image_shape: (w, h)
:param height_range: (h1, h2) to cut
:param viz: visualization to be done.
Set to 0 to disable.
Set to a positive number to be the delay between frames to show.
Set to a string to be a directory to store frames.
:param nullop_start: start with random number of null ops
:param live_losts_as_eoe: consider lost of lives as end of episode. useful for training.
"""
super(AtariPlayer, self).__init__()
if not os.path.isfile(rom_file) and '/' not in rom_file:
rom_file = get_dataset_path('atari_rom', rom_file)
assert os.path.isfile(rom_file), \
"rom {} not found. Please download at {}".format(rom_file, ROM_URL)
try:
ALEInterface.setLoggerMode(ALEInterface.Logger.Warning)
except AttributeError:
if execute_only_once():
logger.warn("You're not using latest ALE")
# avoid simulator bugs: https://github.com/mgbellemare/Arcade-Learning-Environment/issues/86
with _ALE_LOCK:
self.ale = ALEInterface()
self.rng = get_rng(self)
self.ale.setInt(b"random_seed", self.rng.randint(0, 30000))
self.ale.setBool(b"showinfo", False)
self.ale.setInt(b"frame_skip", 1)
self.ale.setBool(b'color_averaging', False)
# manual.pdf suggests otherwise.
self.ale.setFloat(b'repeat_action_probability', 0.0)
# viz setup
if isinstance(viz, six.string_types):
assert os.path.isdir(viz), viz
self.ale.setString(b'record_screen_dir', viz)
viz = 0
if isinstance(viz, int):
viz = float(viz)
self.viz = viz
if self.viz and isinstance(self.viz, float):
self.windowname = os.path.basename(rom_file)
cv2.startWindowThread()
cv2.namedWindow(self.windowname)
self.ale.loadROM(rom_file.encode('utf-8'))
self.width, self.height = self.ale.getScreenDims()
self.actions = self.ale.getMinimalActionSet()
self.live_lost_as_eoe = live_lost_as_eoe
self.frame_skip = frame_skip
self.nullop_start = nullop_start
self.height_range = height_range
self.image_shape = image_shape
self.current_episode_score = StatCounter()
self.restart_episode()
