def process(filename):
"""
main processing loop, read the supplied file line by line, counting domains
:param filename:
:return domain_results:
"""
domain_results = Domains()
with open(filename, 'r') as emails:
try:
for line in emails:
email = EmailAddress(line)
domain_results.add_domain(email)
except UnicodeDecodeError as e:
logging.warning("File: {} non-unicode characters {}".format(filename, e))
except Exception as e:
logging.error(e)
return domain_results
