def create_sample_delta(delta_id, group_id, source_sample_id, reference_sample_id):
'''
Compare the data between two samples
Return a SampleDelta object with what needs to be added to the source sample to get the reference sample
'''
diff_data = []
source_sample = Sample.objects.get(id=source_sample_id)
reference_sample = Sample.objects.get(id=reference_sample_id)
reference_sample_array = reference_sample.data.split(',')
source_sample_array = source_sample.data.split(',')
for (index, source_val) in enumerate(source_sample_array):
diff_data.append(int(reference_sample_array[index]) - int(source_val))
diff_data_csv_string = int_list_to_csv_string(diff_data)
sample_delta = SampleDelta(id=delta_id,
group_id=group_id,
source_sample=source_sample,
reference_sample=reference_sample,
data=diff_data_csv_string)
sample_delta.save()
return sample_delta
def take_spectrometer_sample(sample_id=uuid.uuid4(),
group_id=None,
reading_type=Sample.SPECTROMETER,
subject=None,
description=''):
'''
Call the Spectrometer class to gather a sample from the hardware
Returns a Sample object
'''
spectrometer = Spectrometer()
if reading_type == Sample.SPECTROMETER:
sample_data = spectrometer.take_spectrometer_reading()
if reading_type == Sample.COLOR:
sample_data = spectrometer.take_color_reading()
if reading_type == Sample.FLUORESCENCE:
sample_data = spectrometer.take_fluorescence_reading()
else:
pass # TODO throw some kind of error? at least verify everything downstream is sample_data=None-tolerant
sample_data_csv_string = int_list_to_csv_string(sample_data)
average_value = get_average_sample_value(sample_data)
the_subject = subject
if group_id:
group = Group.objects.get(id=group_id)
if group and group.subject: # TODO add logic that tests this condition
the_subject = group.subject
sample = Sample(id=sample_id,
group_id=group_id,
reading_type=reading_type,
record_type=Sample.PHYSICAL,
description=description,
subject=the_subject,
data=sample_data_csv_string,
average_magnitude=average_value)
sample.save()
return sample
def take_spectrometer_sample(sample_id=uuid.uuid4(),
group_id=None,
reading_type=Sample.SPECTROMETER,
subject=None,
description=''):
'''
Call the Spectrometer class to gather a sample from the hardware
Returns a Sample object
'''
spectrometer = Spectrometer()
if reading_type == Sample.SPECTROMETER:
sample_data = spectrometer.take_spectrometer_reading()
if reading_type == Sample.COLOR:
sample_data = spectrometer.take_color_reading()
if reading_type == Sample.FLUORESCENCE:
sample_data = spectrometer.take_fluorescence_reading()
else:
pass # TODO throw some kind of error? at least verify everything downstream is sample_data=None-tolerant
sample_data_csv_string = int_list_to_csv_string(sample_data)
average_value = get_average_sample_value(sample_data)
the_subject = subject
if group_id:
group = Group.objects.get(id=group_id)
if group and group.subject: # TODO add logic that tests this condition
the_subject = group.subject
sample = Sample(id=sample_id,
group_id=group_id,
reading_type=reading_type,
record_type=Sample.PHYSICAL,
description=description,
subject=the_subject,
data=sample_data_csv_string,
average_magnitude=average_value)
sample.save()
return sample
def create_sample_delta(delta_id, group_id, source_sample_id,
reference_sample_id):
'''
Compare the data between two samples
Return a SampleDelta object with what needs to be added to the source sample to get the reference sample
'''
diff_data = []
source_sample = Sample.objects.get(id=source_sample_id)
reference_sample = Sample.objects.get(id=reference_sample_id)
reference_sample_array = reference_sample.data.split(',')
source_sample_array = source_sample.data.split(',')
for (index, source_val) in enumerate(source_sample_array):
diff_data.append(int(reference_sample_array[index]) - int(source_val))
diff_data_csv_string = int_list_to_csv_string(diff_data)
sample_delta = SampleDelta(id=delta_id,
group_id=group_id,
source_sample=source_sample,
reference_sample=reference_sample,
data=diff_data_csv_string)
sample_delta.save()
return sample_delta
