def getinput(obj, parent, needs, callback, **k):
diag = None
if hasattr(needs, 'Prompt'):
diag = needs(parent, obj)
elif isinstance(needs, basestring) and needs.startswith('@'):
diag = import_function(needs[1:])(parent, obj)
if diag is not None:
diag.Prompt(callback)
diag.Destroy()
else:
if callable(needs):
needs = needs(obj)
from pprint import pprint
pprint(needs)
if len(needs) == 1 and issubclass(needs[0][0], basestring):
type, name, default = needs[0]
val = GetTextFromUser(name, caption=name, default_value=default)
if val is not None:
return callback(val)
return
FormFrame(obj, parent, needs, callback, **k)
def getinput(obj, parent, needs, callback, **k):
diag = None
if hasattr(needs, 'Prompt'):
diag = needs(parent, obj)
elif isinstance(needs, basestring) and needs.startswith('@'):
diag = import_function(needs[1:])(parent, obj)
if diag is not None:
diag.Prompt(callback)
diag.Destroy()
else:
if callable(needs):
needs = needs(obj)
from pprint import pprint
pprint(needs)
if len(needs) == 1 and issubclass(needs[0][0], basestring):
type, name, default = needs[0]
val = GetTextFromUser(name, caption = name, default_value = default)
if val is not None:
return callback(val)
return
FormFrame(obj, parent, needs, callback, **k)
def lazy_call(handler, *args):
if not hasattr(handler, '__call__'):
assert isinstance(handler, basestring)
from util import import_function
handler = import_function(handler)
assert hasattr(handler, '__call__')
return handler(*args)
def lazy_call(handler, *args):
if not hasattr(handler, '__call__'):
assert isinstance(handler, basestring)
from util import import_function
handler = import_function(handler)
assert hasattr(handler, '__call__')
return handler(*args)
def panel_for_tab(self, i):
'Returns the preference panel for the ith tab.'
module_name = tabnames[i][0]
if not module_name in self.loaded_panels:
log.info('loading panel "%s"', module_name)
func = import_function('gui.pref.pg_%s.panel' % module_name)
panel = self._construct_sub_panel(func)
self.loaded_panels[module_name] = panel
return self.loaded_panels[module_name]
def panel_for_tab(self, i):
'Returns the preference panel for the ith tab.'
module_name = tabnames[i][0]
if not module_name in self.loaded_panels:
log.info('loading panel "%s"', module_name)
func = import_function('gui.pref.pg_%s.panel' % module_name)
panel = self._construct_sub_panel(func)
self.loaded_panels[module_name] = panel
return self.loaded_panels[module_name]
def add_account_gui(self, account_gui):
'''
Adds account specific GUI to the "extended" section.
account_gui must be a dotted string import path to a function
which returns a GUI component, and will be called with two
arguments: this dialog, and the account we're editing/creating.
'''
log.info('loading account GUI from %r', account_gui)
self.details_panel = import_function(account_gui)(self, self.account)
self.details.add(self.details_panel)
self.info_callbacks += lambda info: info.update(self.details_panel.info())
self.Sizer.Add(self.details_panel, 0, EXPAND | ALL, self.GetDefaultBorder())
def add_account_gui(self, account_gui):
"""
Adds account specific GUI to the "extended" section.
account_gui must be a dotted string import path to a function
which returns a GUI component, and will be called with two
arguments: this dialog, and the account we're editing/creating.
"""
log.info("loading account GUI from %r", account_gui)
self.details_panel = import_function(account_gui)(self, self.account)
self.details.add(self.details_panel)
self.info_callbacks += lambda info: info.update(self.details_panel.info())
self.Sizer.Add(self.details_panel, 0, EXPAND | ALL, self.GetDefaultBorder())
def __init__(self,
input_dims,
buffer_size,
hidden,
layers,
network_class,
polyak,
batch_size,
Q_lr,
pi_lr,
norm_eps,
norm_clip,
max_u,
action_l2,
clip_obs,
scope,
T,
rollout_batch_size,
subtract_goals,
relative_goals,
clip_pos_returns,
clip_return,
bc_loss,
q_filter,
num_demo,
sample_transitions,
gamma,
reuse=False,
**kwargs):
"""Implementation of DDPG that is used in combination with Hindsight Experience Replay (HER).
Args:
input_dims (dict of ints): dimensions for the observation (o), the goal (g), and the
actions (u)
buffer_size (int): number of transitions that are stored in the replay buffer
hidden (int): number of units in the hidden layers
layers (int): number of hidden layers
network_class (str): the network class that should be used (e.g. 'baselines.her.ActorCritic')
polyak (float): coefficient for Polyak-averaging of the target network
batch_size (int): batch size for training
Q_lr (float): learning rate for the Q (critic) network
pi_lr (float): learning rate for the pi (actor) network
norm_eps (float): a small value used in the normalizer to avoid numerical instabilities
norm_clip (float): normalized inputs are clipped to be in [-norm_clip, norm_clip]
max_u (float): maximum action magnitude, i.e. actions are in [-max_u, max_u]
action_l2 (float): coefficient for L2 penalty on the actions
clip_obs (float): clip observations before normalization to be in [-clip_obs, clip_obs]
scope (str): the scope used for the TensorFlow graph
T (int): the time horizon for rollouts
rollout_batch_size (int): number of parallel rollouts per DDPG agent
subtract_goals (function): function that subtracts goals from each other
relative_goals (boolean): whether or not relative goals should be fed into the network
clip_pos_returns (boolean): whether or not positive returns should be clipped
clip_return (float): clip returns to be in [-clip_return, clip_return]
sample_transitions (function) function that samples from the replay buffer
gamma (float): gamma used for Q learning updates
reuse (boolean): whether or not the networks should be reused
"""
if self.clip_return is None:
self.clip_return = np.inf
self.create_actor_critic = import_function(self.network_class)
input_shapes = dims_to_shapes(self.input_dims)
self.dimo = self.input_dims['o']
self.dimg = self.input_dims['g']
self.dimu = self.input_dims['u']
self.demo_batch_size = 128
self.lambda1 = 0.001
self.lambda2 = 0.0078
self.l2_reg_coeff = 0.005
# Prepare staging area for feeding data to the model.
stage_shapes = OrderedDict()
for key in sorted(self.input_dims.keys()):
if key.startswith('info_'):
continue
stage_shapes[key] = (None, *input_shapes[key])
for key in ['o', 'g']:
stage_shapes[key + '_2'] = stage_shapes[key]
stage_shapes['r'] = (None, )
self.stage_shapes = stage_shapes
# Create network.
with tf.variable_scope(self.scope):
self.staging_tf = StagingArea(
dtypes=[tf.float32 for _ in self.stage_shapes.keys()],
shapes=list(self.stage_shapes.values()))
self.buffer_ph_tf = [
tf.placeholder(tf.float32, shape=shape)
for shape in self.stage_shapes.values()
]
self.stage_op = self.staging_tf.put(self.buffer_ph_tf)
self._create_network(reuse=reuse)
# Configure the replay buffer.
buffer_shapes = {
key: (self.T if key != 'o' else self.T + 1, *input_shapes[key])
for key, val in input_shapes.items()
}
buffer_shapes['g'] = (buffer_shapes['g'][0], self.dimg)
buffer_shapes['ag'] = (self.T + 1, self.dimg)
buffer_size = (self.buffer_size //
self.rollout_batch_size) * self.rollout_batch_size
self.buffer = ReplayBuffer(buffer_shapes, buffer_size, self.T,
self.sample_transitions)
global demoBuffer
demoBuffer = ReplayBuffer(buffer_shapes, buffer_size, self.T,
self.sample_transitions)