def get_comments_from_maoyan(self, offset):
comments = []
json_str = self.get_one_page_comment_json_from_maoyan(offset)
if json_str is None:
return None
try:
data1 = json_str['cmts'] # 获取评论内容
data2 = json_str['hcmts'] # 获取评论内容
data = data1 + data2
except KeyError:
return None
for item in data:
comment = Comment(self.movie)
# 使用get方法获取值，避免出现KeyError
comment.user_loc = item.get('cityName')
comment.user_avatar = item.get('avatarurl')
comment.user_name = item.get('nickName')
comment.user_id = item.get('userId')
comment.comment = item.get('content')
comment.create_time = item.get('time')
comment.vote_count = item.get('approve')
comments.append(comment)
return comments
def decode_json(self, json_str):
# 创建评论变量
comments = []
# 解析关键的根节点
count = json_str['count']
start = json_str['start']
interests = json_str['interests']
total = json_str['total']
# print('本次获取的个数为：', count)
# print('评论为：', interests)
# print('起始评论数为：', start)
# print('总评论数为：', total)
# 解析所需要的评论内容
for interest in interests:
comment = Comment(self.movie)
user = interest['user']
rating = interest['rating']
loc = user['loc']
if loc is not None:
loc_name = loc['name']
comment.user_loc = loc_name
comment.user_avatar = user['avatar']
comment.user_name = user['name']
comment.user_id = user['id']
if rating is not None:
comment.rate = rating['value']
comment.comment = interest['comment']
comment.create_time = interest['create_time']
comment.vote_count = interest['vote_count']
comments.append(comment)
# 保存评论内容到文件中
self.save_comments(comments, 0)
return start, len(interests), total
