def list_all_experiments(exported_archive):
experiments_module = python.impfromsource(
conf.repository_experiments_modulename, exported_archive
)
experiments_settings\
= os.path.join(exported_archive, conf.repository_settings_filename)
config = configobj.ConfigObj(
experiments_settings,
configspec = conf.repository_settings_configspec
)
validator = validate.Validator()
assert config.validate(validator, copy=True)
experiments = []
for class_name in config['experiments']:
try:
getattr(experiments_module, class_name)
except AttributeError:
raise AssertionError('No such experiment: %s' % class_name)
experiments.append(class_name)
return experiments
def make_experiments(self):
'''
Create experiment versions (and their experiment parents, if necessary)
for each experiment listed in this archive. The creation entails the
creation of playlists for each experiment.
'''
exported_archive = git.export(self.repository.path,
self.commit_hash)
experiments_module = python.impfromsource(
conf.repository_experiments_modulename, exported_archive
)
experiments_settings = os.path.join(exported_archive,
conf.repository_settings_filename)
config = configobj.ConfigObj(
experiments_settings,
configspec = conf.repository_settings_configspec
)
validator = validate.Validator()
assert config.validate(validator, copy=True)
for class_name, experiment_notes in config['experiments'].items():
label = utils.make_experiment_release_code(class_name,
self)
release_note = experiment_notes['release-note']
try:
playlist_factory = getattr(experiments_module, class_name)
except AttributeError:
error_msg = strings.msg('''
No experiment named %s in the repository %s (commit hash: %s).
''' % (class_name, self.repository.name, self.commit_hash)
)
print(error_msg) # You could log it too.
raise
playlist = playlist_factory.new()
ExperimentVersion.new(
experiment=Experiment.new(class_name=class_name),
label=label,
release_note=release_note,
playlist=playlist,
archive=self)
def get_experiment_details(exported_archive):
'''
Using the settings.cfg file inside the exported wilhelm
experiments_directory, get the checksum of the source code of the
Playlist sub class for each experiment listed therein as well as the
file path names and checksums of the included files.
This information is useful only to check if the relevant source and stimuli
files for a given experiment change from one repository version to another.
If they have changed, we know the experiment has changed.
Return as dictionary of lists of tuples.
'''
experiments_module = python.impfromsource(
conf.repository_experiments_modulename, exported_archive
)
experiments_settings\
= os.path.join(exported_archive, conf.repository_settings_filename)
config = configobj.ConfigObj(
experiments_settings,
configspec = conf.repository_settings_configspec
)
validator = validate.Validator()
assert config.validate(validator, copy=True)
experiments_dir = {}
for class_name, expdict in config['experiments'].items():
release_note = expdict['release-note']
experiment_source = inspect.getsource(
getattr(experiments_module, class_name)
)
file_info = dict(
class_source = sys.checksum(experiment_source)
)
for filename in expdict['include']:
file_hash = sys.checksum(
os.path.join(exported_archive, filename)
)
file_info[filename] = file_hash
experiments_dir[class_name] = dict(
release_note = release_note,
file_info = file_info)
return experiments_dir
def import_experiments(self):
'''
Import the experiments from wilhelm_experiments tarball.
'''
self.extract()
# Import the experiments.
experiments = python.impfromsource(
conf.repository_experiments_modulename, self.extraction_dir
)
shutil.rmtree(self.extraction_dir)
return experiments
def create_experiment():
experiment_name = 'brisbane'
experiment_title = experiment_class_name = 'Brisbane'
experiment_archive = os.path.join(this_dir, 'experiment_repository')
experiments_module= python.impfromsource(
repository_experiments_modulename, experiment_archive
)
experiments_settings = os.path.join(experiment_archive,
repository_settings_filename)
config = configobj.ConfigObj(
experiments_settings,
configspec = repository_settings_configspec
)
validator = validate.Validator()
assert config.validate(validator, copy=True)
for class_name, experiment_notes in config['experiments'].items():
label = class_name + 'foobaz123456789'
release_note = experiment_notes['release-note']
playlist_factory = getattr(experiments_module, class_name)
playlist = playlist_factory.new()
fake_repository\
= ExperimentRepository.objects.create(name = 'fake_repo')
fake_archive\
= ExperimentArchive.objects.create(repository=fake_repository,
commit_hash=strings.uid())
blurb = ' '.join(""" In this experiment, your memory for word lists
or short texts will be tested. For example, you
could be shown a list of words and then asked to
recall as many as you can. Or you could be asked
to read a short text and then asked if certain
words occurred or not. There are six parts to this
experiment and each part will take around 3-5
minutes. """.split())
title = 'Memory for texts and word lists'
experiment\
= Experiment.objects.create(class_name=class_name,
live=True,
title = title,
blurb=blurb)
ExperimentVersion.new(
experiment=experiment,
label=label,
release_note=release_note,
playlist=playlist,
archive=fake_archive)
return experiment_name, experiment_class_name, experiment_title