def select_file_and_parse_rows(row_parser):
filenames = utils.select_files(only_one_file=False, extension="csv (*.csv)")
if filenames is None or not filenames:
return Cancel()
observations = []
for filename in filenames:
filename = utils.returnunicode(filename)
with io.open(filename, 'r', encoding='utf-8') as f:
#Skip header
f.readline()
observations.extend(row_parser(f))
#Remove duplicates
observations = [dict(no_duplicate) for no_duplicate in set([tuple(possible_duplicate.items()) for possible_duplicate in observations])]
return observations
