How can I create a nested value in TinyDB using python3?

Question

An example is this:

from tinydb import TinyDB, Query
from tinydb.operations import add

db = TinyDB('tinydb_practice.json')

db.insert({'Name':'Bella', 'Places':{}})
db.update(add('Places', {{'Country':'USA'}}))

for item in db:
  print(item)

What I want as my result is

{'Name':'Bella', 'Places':{{'Country':'USA'}}}

But I get this error

TypeError: unhashable type: 'dict'

TIA! :)

Answer 1

Places should be a list not a dict (or a set):

from tinydb import TinyDB, Query
from tinydb.operations import add

db = TinyDB('tinydb_practice.json')

db.insert({'Name':'Bella', 'Places':[]})  # <- replace {} by []
db.update(add('Places', [{'Country':'USA'}]))  # <- replace outer {} by []

for item in db:
    print(item)

Output:

{'Name': 'Bella', 'Places': [{'Country': 'USA'}]}