python函数pymongo中出现错误
这是一个函数,在带有python函数pymongo中出现错误,python,mongodb,mongodb-query,pymongo,keyerror,Python,Mongodb,Mongodb Query,Pymongo,Keyerror,这是一个函数,在带有post['date']的行中返回错误 这就是错误: in get_posts post['date'] = post['date'].strftime("%A, %B %d %Y at %I:%M%p") KeyError: 'date' 这是什么意思 这就是功能: def get_posts(self, num_posts): cursor = self.posts.find({},{}).limit(num_posts) # Using an emp
post['date']
的行中返回错误
这就是错误:
in get_posts
post['date'] = post['date'].strftime("%A, %B %d %Y at %I:%M%p")
KeyError: 'date'
这是什么意思
这就是功能:
def get_posts(self, num_posts):
cursor = self.posts.find({},{}).limit(num_posts) # Using an empty itable for a placeholder so blog compiles before you make your changes
# XXX HW 3.2 Work here to get the posts
l = []
for post in cursor:
print post
post['date'] = post['date'].strftime("%A, %B %d %Y at %I:%M%p")
if 'tags' not in post:
post['tags'] = [] # fill it in if its not there already
if 'comments' not in post:
post['comments'] = []
l.append({'title':post['title'], 'body':post['body'], 'post_date':post['date'],
'permalink':post['permalink'],
'tags':post['tags'],
'author':post['author'],
'comments':post['comments']})
return l
KeyError:'date'
表示post
没有属性dateKeyError:'date'
表示post
没有属性date可能重复的