def readline(self):
# Delayed open
if (self.obs_pipe is None):
print('PipeIo.readline: Opening OBS pipe [{}]'.format(
self.obs_pipe_filename))
try:
with Timeout(
1200
): # Should be long enough to finish one episode for execution of non-RL model
self.obs_pipe = open(self.obs_pipe_filename, 'r')
except Timeout.Timeout:
print('Opening file {} timed out'.format(
self.obs_pipe_filename))
return ''
while True:
line = self.obs_pipe.readline()[:-1]
if (line == ''):
return line
items = line.split(',', 1)
if (len(items) == 2):
break
seq = int(items[0])
val = float(items[1])
assert (self.obs_seq == seq)
self.obs_seq += 1
return val
def writeline(self, str):
# Delayed open
if (self.act_pipe is None):
try:
with Timeout(1):
self.act_pipe = open(self.act_pipe_filename, 'w')
except Timeout.Timeout:
print('Opening file {} timed out'.format(
self.act_pipe_filename))
return True
print('PipeIo.writeline: Opened ACT pipe {}'.format(
self.act_pipe_filename))
line = '{0:d},{1:s}'.format(self.act_seq, str)
self.act_pipe.write('{}\n'.format(line))
self.act_seq += 1
return False