def parse_sampling_time(object_):
"""Parse an object into a sampling time.
Parameters
----------
object_ : datetime.datetime, model.Sample
The object to be parsed into a Time object, representing the sampling
time.
"""
# Parse from datetime-like object
try:
time = Time.from_datetime(object_)
except AttributeError:
time = None
else:
return time
# Parse from model.Sample
try:
sample_date = object_.sample_date
sample_time = object_.sample_time
default_date = datetime.date(1, 1, 1)
default_time = datetime.time(0, 0, 0)
if sample_date and sample_time:
timestamp = datetime.datetime.combine(sample_date, sample_time)
elif sample_date:
timestamp = datetime.datetime.combine(sample_date, default_time)
elif sample_time:
timestamp = datetime.datetime.combine(default_date, sample_time)
else:
# Sample object has no date or time
return None
time = Time.from_datetime(timestamp)
except AttributeError:
time = None
else:
return time
return time
def parse_sample_time(row, datetime_col):
datetime = row[datetime_col]
return Time.from_datetime(datetime)