I have problem with memory in python "Python memory error". In fact , I try to recover data from a big `.bson` file using this script: 

```
with open('xxxx.bson','rb') as f:
    data = bson.decode_all(f.read())

```

error message :

```
data = bson.decode_all(f.read())
MemoryError

```

thank you for any help you can provide