podb 1.42.1

python object database

thread safe redis style database for python objects

reasons to use this

• thread safe

• stores python objects

• filters, see below

• inserting 200 objects takes ~0.0003 seconds (i7-4702MQ)

• size of db with 800 objects is ~600kB

• ~120 loc

• no extra package dependencies

functions

• find

• find_one

• find_after

• find_before

• find_by_uuid

• find_contains

• find_startswith

• find_endswith

• insert

• insert_many

• update

• update_many

• upsert

• upsert_many

• size

• contains

• columns

• drop

• remove / delete

• remove_by_uuid / delete_by_uuid

• delete_before

example

from podb import DB, DBEntry


class Company(DBEntry):
    def __init__(self, name: str):
        DBEntry.__init__(self)
        self.name = name

class Customer(DBEntry):
    def __init__(self, first_name: str, last_name: str, age: int, height: float, companies: list[DBEntry]):
        DBEntry.__init__(self)
        self.first_name = first_name
        self.last_name = last_name
        self.age = age
        self.height = height
        self.companies = companies

db = DB("customers")

c0 = Customer("Jeff", "Bezoz", 42, 1.69,
              [Company("Whole Foods"), Company("Zappos"),
               Company("Ring"), Company("twitch")])
db.insert(c0)

c0 = db.find_one({
    "first_name": "Jeff",
    "last_name": "Bezoz"
})

c0.companies.append(Company("Audible"))

db.update(c0)

installation

pip3 install podb