Python module to management dataclass
objects using SQLite
from dataclasses import dataclass
from datetime import datetime
from daacla import Daacla, table
@dataclass
@table(key='url') # `key` means primary key
class Post: # makes `Post` table on the `db` database
url: str
created_at: float
db = Daacla()
# Update/Insert a record
db.upsert(Post(url='https://example.com/page/1', created_at=datetime.now().timestamp()))
# Check existence of the record
print( db.exists(Post, key='https://example.com/page/1') ) # → True
# Check existence of the record
print( db.exists(Post, key='https://example.com/page/NOTHING') ) # → False
# Search
url = 'https://example.com/page/1'
for post in db.select(Post, 'url = ?', url):
print(post.url) # → https://example.com/page/1