从Pymongo中的收藏中删除文件？

Question

I have the following:

from pymongo import MongoClient
client = MongoClient()
db=client.localhost
collection=db['accounts']
db.collection.remove({})

cursor = collection.find({})
for document in cursor:
    print(document)

This second part is to just print all the documents in the collection. However, the collection isn't clearing every time I rerun the program. Does anyone know why?

Answer 1

Instead of doing this

db.collection.remove({})

do this

db.accounts.remove({})

Also you won't need this line collection=db['accounts']

If you want dynamic collection name, you can do the following:

collection_name = 'accounts'
getattr(db, collection_name).remove({})

Answer 2

Instead of

db.collection.remove({})

you can try this

collection.delete_many({})

Hope that solves your problem.

Answer 3

做这个

db.accounts.drop()