def get_year_from_text(self, match: Match) -> int:
year = Constants.INVALID_YEAR
year_str = RegExpUtility.get_group(match, 'year')
if year_str and not (str.isspace(year_str) or year_str is None):
year = int(year_str)
if 100 > year >= Constants.MIN_TWO_DIGIT_YEAR_PAST_NUM:
year += 1900
elif 0 <= year < Constants.MAX_TWO_DIGIT_YEAR_FUTURE_NUM:
year += 2000
else:
first_two_year_num_str = RegExpUtility.get_group(
match, Constants.FIRST_TWO_YEAR_NUM)
if first_two_year_num_str and not (
str.isspace(first_two_year_num_str)
or first_two_year_num_str is None):
er = ExtractResult()
er.text = first_two_year_num_str
er.start = match.string.index(
RegExpUtility.get_group(match,
Constants.FIRST_TWO_YEAR_NUM))
er.length = len(
RegExpUtility.get_group(match,
Constants.FIRST_TWO_YEAR_NUM))
first_two_year_num = self.config.number_parser.parse(er).value if \
self.config.number_parser.parse(er).value else 0
last_two_year_num = 0
last_two_year_num_str = RegExpUtility.get_group(
match, Constants.LAST_TWO_YEAR_NUM)
if not (str.isspace(last_two_year_num_str)
or last_two_year_num_str is None):
er = ExtractResult()
er.text = last_two_year_num_str
er.start = match.string.index(
RegExpUtility.get_group(match,
Constants.LAST_TWO_YEAR_NUM))
er.length = len(
RegExpUtility.get_group(match,
Constants.LAST_TWO_YEAR_NUM))
last_two_year_num = self.config.number_parser.parse(er).value if \
self.config.number_parser.parse(er).value else 0
if (first_two_year_num < 100 and last_two_year_num == 0)\
or (first_two_year_num < 100 and first_two_year_num % 10 == 0
and len(last_two_year_num_str.strip().split(' ')) == 1):
year = Constants.INVALID_YEAR
return year
if first_two_year_num >= 100:
year = first_two_year_num + last_two_year_num
else:
year = (first_two_year_num * 100) + last_two_year_num
return year
def try_merge_modifier_token(self, extract_result: ExtractResult, token_regex: Pattern, text: str):
start = extract_result.start if extract_result.start else 0
before_str = text[0:start]
if self.has_token_index(before_str.rstrip(), token_regex).matched:
boolean, token_index = self.has_token_index(before_str.rstrip(), token_regex)
mod_length = len(before_str) - token_index
extract_result.length += mod_length
extract_result.start -= mod_length
start = extract_result.start if extract_result.start else 0
length = extract_result.length if extract_result.length else 0
extract_result.text = text[start: start + length]
return True
return False
