def main(yaml_file, kern_file='shorter-kernels.csv'):
try:
parms = yaml.load(open(yaml_file))
base = dirname(yaml_file)
if not base:
base = '.'
except:
print "Problem with the YAML file!"
exit(1)
kernels_in = open_and_check(kern_file,
['Item.code', 'Value', 'Description', 'Format'] )
kernels = {}
for code, value, desc_text, format in kernels_in:
if format:
desc_text = '%s [%s]' % (desc_text, format)
kernels[code] = (value, desc_text)
order_in = open_and_check(join(base, parms['subj_order_file']),
['Item.code', 'Condition'])
trials = []
for code, cond in order_in:
value, desc_text = kernels[code]
fname = join(base, 'trial%02d.avi' % len(trials))
trials.append( PresentKernel(cond, value, desc_text, fname) )
stim_control = StimController(trials, vision_egg)
stim_control.run_trials()
stim_control.writelog(join(base, parms['log_file']))
#box = respbox.RespBox()
###########
# Stimuli #
###########
std_params = {'anchor': 'center', # for text display objects
'position': (xlim/2,ylim/2),
'on': False}
rest = Text(text="Press space to begin.", **std_params)
fixation = Text(text="+", font_size=55, **std_params)
blank = Text(text="", **std_params)
trial_stims = [FaceStim(f) for f in (':-)', ':-(', ':-o')]
trials = [ExpTrial(s) for s in trial_stims]
random.shuffle(trials)
# A list of trials, using a super-pythonic list comprehension
# Trials are initialized with an 'events' arg which is a list of Event instances
vision_egg.set_stimuli([rest,fixation,blank]+trial_stims, trigger=K_SPACE)
# Give set_stimuli a list of stimulus objects as well as
# the pygame keypress which you want to begin the trials
stim_control = StimController(trials, vision_egg, pause_event=Event(rest,0,0))
# pause_event begins each block after a SPACE press.
# 'rest' is the name of my text stim
stim_control.run_trials(len(trials))
stim_control.writelog(stim_control.getOutputFilename(subject,'EXPERIMENT_TEMPLATE'))
# Change the experiment name and give it the subject at the beginning
if exp_type == 't':
trial_stims = text_stims
elif exp_type == 'c':
trial_stims = circ_stims
elif exp_type == 'both':
trial_stims = circ_stims + text_stims
random.shuffle(trial_stims)
trials = [ExpTrial(s) for s in trial_stims]
final_trial = Trial([Event(rest, start = 0, duration = 3)], unlogged = True)
trials += [final_trial]
######################
# Run the experiment #
######################
vision_egg.set_stimuli([rest,fixation,blank]+trial_stims)
# Add the voice controller here ###
vision_egg.presentation.add_controller(None, None, voice_controller)
stim_control = StimController(trials, vision_egg)
stim_control.run_trials('all')
stim_control.writelog(stim_control.getOutputFilename(subject, 'VT_test'))
# Save the soundfiles during resting points or after the experiment is done.
# This will prevent the hardware access from messing with the stim/response
# timing. Remember to save the soundfiles!
voice_controller.write_soundfiles()
