def datetime_parse(string_value, **_):
for iso_format in datetime_iso_formats:
try:
return datetime.strptime(string_value, iso_format)
except ValueError:
pass
result = parse_relative_datetime(string_value)
if result is None:
formats = ', '.join('"%s"' % x for x in datetime_iso_formats)
raise ValidationError(f'Time data "{string_value}" does not match any of the formats "now", {formats}, and is not a relative date like "2d" or "2 weeks ago"')
return result
def date_parse(string_value, **_):
extra_information = ''
try:
return datetime.strptime(string_value, date_iso_format).date()
except ValueError as e:
if 'out of range' in str(e) or 'unconverted data remains' in str(e):
extra_information = ' (out of range)'
result = parse_relative_datetime(string_value)
if result is None:
formats = ', '.join('"%s"' % x for x in datetime_iso_formats)
raise ValidationError(f'Time data "{string_value}" does not match any of the formats "now", {formats}, and is not a relative date like "2d" or "2 weeks ago"{extra_information}')
return result.date()
def test_parse_relative_datetime():
assert parse_relative_datetime('now') == datetime.now()
def test_parse_relative_date_error_condition_no_match():
assert parse_relative_date('foo') is None
assert parse_relative_datetime('foo') is None
