def parse_subject(row, source=None):
"""Parse a row into a Subject.
Parameters
----------
row : dict-like
Object whose keys are column headings and values are the row values.
source : model.Source
Source for the returned subject.
Returns
-------
Subject
"""
subject = Subject()
subject.sex = get_sex(row)
subject.country = get_country(row)
subject.race = get_race(row)
subject.csection = get_csection(row)
subject.disease = get_disease(row)
subject.dob = get_dob(row)
# Initialize equality attrs
if not source:
subject.source = parse_source(row)
elif isinstance(source, Source):
subject.source = source
else:
raise TypeError(f'Given source was not of type {type(Source())!r}.')
subject.orig_study_id = get_study_id(row)
subject.orig_subject_id = get_subject_id(row)
return subject
