Document that GridFS.get is type-sensitive and usually should be an ObjectId

from pymongo import MongoClient

import gridfs

client = MongoClient('mongodb://localhost:27017/')

db = client.my_app

file_system = gridfs.GridFS(db)

_id = file_system.put(b"hello world")

print(_id)

print(str(_id))

print(file_system.get(_id).read())

print(file_system.get(str(_id)).read())

5e84dcec7ca83a32a5e09aa8

5e84dcec7ca83a32a5e09aa8

b'hello world'

Traceback (most recent call last):

 File "duck.py", line 12, in <module>

 print(file_system.get(str(_id)).read())

 File "/usr/local/lib/python3.7/dist-packages/gridfs/__init__.py", line 153, in get

 gout._ensure_file()

 File "/usr/local/lib/python3.7/dist-packages/gridfs/grid_file.py", line 490, in _ensure_file

 (self.__files, self.__file_id))

gridfs.errors.NoFile: no file in gridfs collection Collection(Database(MongoClient(host=['localhost:27017'], document_class=dict, tz_aware=False, connect=True), 'my_app'), 'fs.files') with _id '5e84dcec7ca83a32a5e09aa8'