def get_email_full_name(self, email: str) -> FullName:
email = email.lower()
email_prefix = email.split(sep='@', maxsplit=1)[0]
cleaned = re.sub(r'(?:^[\d]+)|(?:[+.\-_\d]+$)', '', email_prefix)
lemmatizer = nltk.stem.WordNetLemmatizer()
lemma = lemmatizer.lemmatize(cleaned)
if lemma in self.words_set:
return FullName('', '')
for func in self.emails_full_names_functions:
full_name = func(cleaned)
if full_name is not None and not full_name.is_empty():
return full_name
return FullName('', '')
def get_email_first_name_near_perfect_match(self, prefix: str) -> FullName:
first_name = ''
last_name = ''
candidate = '' if len(prefix) < 4 else prefix[:-1]
if candidate in all_first_names_set:
first_name = candidate
return FullName(first_name, last_name)
def get_email_full_name_perfect_match(self, prefix: str) -> FullName:
first_name = ''
last_name = ''
for i in range(len(prefix) - 3, 2, -1):
if prefix[:i] in all_first_names_set and prefix[
i:] in all_last_names_set:
first_name = prefix[:i]
last_name = prefix[i:]
break
return FullName(first_name, last_name)
def get_email_full_name_using_sep(self, prefix: str) -> FullName:
first_name = ''
last_name = ''
split = re.split(r'[+.\-_\d]+', prefix)
if len(split) > 1:
first_name_candidate = re.sub(r'(?:^[\d]+)|(?:[\d]+$)', '',
split[0])
if first_name_candidate in all_first_names_set:
first_name = first_name_candidate
last_name_candidate = re.sub(r'(?:^[\d]+)|(?:[\d]+$)', '',
split[-1])
if last_name_candidate in all_last_names_set:
last_name = last_name_candidate
full_name = FullName(first_name, last_name)
if not full_name.is_full():
full_name_reversed = self.get_email_full_name_using_sep_reversed(
prefix)
if full_name_reversed.is_full():
return full_name_reversed
else:
return full_name
return FullName(first_name, last_name)
def get_email_full_name_using_sep_reversed(self, prefix: str) -> FullName:
first_name = ''
last_name = ''
split = re.split(r'[+.\-_\d]+', prefix)
if len(split) > 1:
first_name_candidate = re.sub(r'(?:^[\d]+)|(?:[\d]+$)', '',
split[1])
if first_name_candidate in all_first_names_set:
first_name = first_name_candidate
last_name_candidate = re.sub(r'(?:^[\d]+)|(?:[\d]+$)', '',
split[0])
if last_name_candidate in all_last_names_set:
last_name = last_name_candidate
return FullName(first_name, last_name)
def get_email_last_name_perfect_match(self, prefix: str) -> FullName:
first_name = ''
last_name = ''
if prefix in all_last_names_set:
last_name = prefix
return FullName(first_name, last_name)