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28 changes: 25 additions & 3 deletions dps/spark/prep/korean_prep.py
Original file line number Diff line number Diff line change
Expand Up @@ -160,17 +160,18 @@ def pattern(idx):

def remove_html_tags(text: str):
def clean_space(text):
text = re.sub("[\r\n\f\v\t]", " ", text)
# text = re.sub("[\r\n\f\v\t]", " ", text)
while " " in text:
text = text.replace(" ", " ")
return text.strip()

if bool(BeautifulSoup(text, "html.parser").find()):
try:
processed_html = html2text.html2text(text)
pre_process = text.replace("\n", "<br>")
processed_html = html2text.html2text(pre_process)
except AssertionError:
processed_html = text

text = processed_html
text = clean_space(text)

Expand Down Expand Up @@ -252,3 +253,24 @@ def make_compat(text):
text = unicodedata.normalize("NFC", text)
text = re.sub("[\u1100-\u11FF]", "", text)
return text



def __test__():
test_text = "안녕하세요.\n제 이름은 양기창 입니다.<br> 반가워요"
print(test_text)

function_list = [
reduce_emoticon,
replace_korean_pii,
spam_words_filter,
remove_html_tags,
]

for func in function_list:
test_text = func(test_text)
print(f"Function name: {func.__name__} \n{test_text}\n\n")


if __name__ == "__main__":
__test__()
84 changes: 55 additions & 29 deletions dps/spark/prep/lang_agnostic_prep.py
Original file line number Diff line number Diff line change
Expand Up @@ -111,36 +111,40 @@ def replace_email_and_url(text: str):


def remove_repeated_text(input_text, ngram_range=(3, 13), trial=3):
# TODO: Algorithm is wrong. Need to fix.
def _remove_repeated_phrase(input_text, ngram_range):
words = input_text.split()
repeated_part_spans = []

for i, word in enumerate(words):
prev_ngrams = {
j: " ".join(words[i - j : i])
for j in range(ngram_range[0], ngram_range[1] + 1)
}
next_ngrams = {
j: " ".join(words[i + 1 : i + j + 1])
for j in range(ngram_range[0], ngram_range[1] + 1)
}

for j, (prev_ngram, next_ngram) in enumerate(
zip(prev_ngrams.values(), next_ngrams.values())
):
if prev_ngram == next_ngram:
repeated_part_spans.append(((i - j, i), (i + 1, i + j + 1)))

for word_pos, word in enumerate(words):
for span in repeated_part_spans:
if word_pos in range(span[0][0], span[0][1]) or word_pos in range(
span[1][0], span[1][1]
):
words[word_pos] = ""

input_text = " ".join(words)
input_text = re.sub(r"\s+", " ", input_text)
return input_text.strip(), repeated_part_spans
# words = input_text.replace('\n', '<br>').split()
# repeated_part_spans = []

# for i, word in enumerate(words):
# prev_ngrams = {
# j: " ".join(words[i - j : i])
# for j in range(ngram_range[0], ngram_range[1] + 1)
# }
# next_ngrams = {
# j: " ".join(words[i + 1 : i + j + 1])
# for j in range(ngram_range[0], ngram_range[1] + 1)
# }

# for j, (prev_ngram, next_ngram) in enumerate(
# zip(prev_ngrams.values(), next_ngrams.values())
# ):
# if prev_ngram == next_ngram:
# repeated_part_spans.append(((i - j, i), (i + 1, i + j + 1)))

# for word_pos, word in enumerate(words):
# for span in repeated_part_spans:
# if word_pos in range(span[0][0], span[0][1]) or word_pos in range(
# span[1][0], span[1][1]
# ):
# print(word_pos, word, span)
# words[word_pos] = ""

# print(words)
# input_text = " ".join(words)
# input_text = re.sub(r"\s+", " ", input_text)
# return input_text.strip(), repeated_part_spans
return input_text, []

def _remove_repeated_word_over_n_times(input_text, n=3):
words = input_text.split()
Expand All @@ -163,10 +167,32 @@ def _remove_repeated_word_over_n_times(input_text, n=3):
input_text = re.sub(r"\s+", " ", input_text)
return input_text

input_text = input_text.replace('\n', '<br>')
total_len_spans = 0
for _ in range(trial):
input_text, spans = _remove_repeated_phrase(input_text, ngram_range)
total_len_spans += len(spans)

input_text = _remove_repeated_word_over_n_times(input_text)
input_text = input_text.replace('<br>', '\n')
return input_text


def __test__():
func_list = [
remove_whitespace,
process_html_and_uri_text,
replace_email_and_url,
remove_repeated_text,
]

text = "Hello\nMy name is Kevin.\nMy personal Ifno\nemail: ygdsag@gmail.com\n\nPhone:849-5432-1235\nBank Account:\n1234-1234-1234-1234\n\n"

for func in func_list:
print(func.__name__)
print(func(text))
print()


if __name__ == "__main__":
__test__()