download.py 文件源码

def get_description_from_app_data(app_data):
  description = clean_string(app_data['data']['detailed_description'])
  sentences = SENTENCE_DETECTOR.tokenize(description.strip())
  if len(sentences) > 0:
    sentences = sentences[0:(min(3, len(sentences)))]
    sentences = [x for x in sentences if len(x.split(' ')) > 5 and not x.split(' ')[0].isupper() and x.find('\r') == -1]
    combined_sentence = ' '.join(sentences)
    if len(combined_sentence) == 0 or not combined_sentence[0].isalpha() or len(combined_sentence.split(' ')) < 5:
      return None
    return combined_sentence
  return None