Simple and lightweight document oriented database
Project description
LemonDB
LemonDB is a simple and lightweight document oriented database written in pure Python 3 tried on version: 3.9
& 3.8
. It should work on versions <= 3.7. This class handle all operation including storing document on a file.
Example:
from lemondb import LemonDB
db = LemonDB('test.db')
db.insert_many([{'name': 'Zenqi'}, {'name': 'John Doe'}, {'name': 'Elizabeth Doe'}])
# Search from database using `find` or `search`
for i in db.find('Doe').where(lambda x: x['name'].startswith('John')):
print(i)
#: {'name': 'John Doe'}
#: You can use the query or dict
from lemondb import Query
query = Query()
print(db.find_one(query.name == 'Zenqi')))
#: {'name': 'Zenqi'}
print(db.find_one({'name': 'Zenqi'}))
#: {'name': 'Zenqi'}
📌 New Features in 1.x Series!
- Different
types
are now supported! - Searching / filtering were improved.
Have you ever wanted to serialize a datetime object? and other type object that standard JSON could'nt serialized? Well lemondb now support those. Search & filtering were improved. LemonDB now using cursors. Don't believe me? Try this out
from lemondb import LemonDB
from datetime import datetime
# Adding datetime object
db = LemonDB('test.json')
db.insert({'name': 'John Doe', 'elapsed-time': datetime.now()})
# Searching now accept dict queries
db.find_one({'name': 'John Doe'})
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