## sqlite3 [25-02-23] ```py from tqdm.auto import tqdm, trange; import json Soup = lambda html: __import__('bs4').BeautifulSoup(html, 'lxml') for i,c in enumerate('RGYB'):globals()[c]=lambda s,i=i:f'\x1b[{91+i}m{s}\x1b[0m' def SQL(db='.db'): import sqlite3, os, json; (not os.path.exists(db) and os.makedirs(db) is None, (con := sqlite3.connect(f'{db}/sql', isolation_level=None)).execute( "PRAGMA busy_timeout="f'{1e9}'))[0] and con.executescript( "PRAGMA journal_mode=WAL; CREATE TABLE kv(k,v,t DEFAULT CURRENT_TIMESTAMP);" "CREATE INDEX idx_kv_v ON kv(v); CREATE INDEX idx_kv_k_t ON kv(k,t DESC);") return (sql := type('', (), dict(__call__=lambda _, q, *p: [*con.execute(q, p)], __setitem__=lambda _, k, v: sql("INSERT INTO kv(k,v) VALUES(?,?)", k, v if type(v) is bytes else json.dumps(v)), __getitem__=lambda _, k: (json.loads(v) if type(v := v[0][0]) is str else v) if (v := sql("SELECT v FROM kv WHERE k=? ORDER BY t DESC LIMIT 1", k)) else None, __eq__=lambda _, query: sql("SELECT * FROM kv WHERE k LIKE ?", query), __ne__=lambda _, query: sql("SELECT * FROM kv WHERE k NOT LIKE ?", query), __delitem__=lambda _, rows: [ sql("DELETE FROM kv WHERE k=? AND v=? AND t=?", *row) for row in rows], __contains__=lambda _, k: bool(sql("SELECT 1 FROM kv WHERE k=?", k)), __len__=lambda _: sql("SELECT COUNT(*) FROM kv")[0][0], __iter__=lambda _: iter(k[0] for k in sql("SELECT k FROM kv"))))()) sql = SQL() ``` ## tauri + svelte + shadcn ```sh git clone https://github.com/alysonhower/tauri2-svelte5-shadcn.git cd tauri2-svelte5-shadcn bun i bun run dev -- --host ``` ## syncify ```py def sync(coro): import asyncio, functools, nest_asyncio; nest_asyncio.apply() return functools.wraps(coro)(lambda *args, **kwargs: asyncio.run(coro(*args, **kwargs))) @sync async def main(): print('hello'); return 'world' main() ``` ## playwright ```py @(sync := lambda coro: __import__('nest_asyncio').apply() or __import__('functools').wraps(coro)(lambda *args, **kwargs: __import__('asyncio').run(coro(*args, **kwargs)))) async def Page(): from playwright.async_api import async_playwright browser = await (await async_playwright().start()).chromium.launch() (context := await browser.new_context()).set_default_timeout(0) for attr in dir(page := await context.new_page()): if attr[0] != '_' and callable(method := getattr(page, attr)): setattr(page, attr, sync(method)) page._repr_png_ = page.screenshot page.goto = lambda url, goto=page.goto: goto(url) page.soup = lambda: __import__('bs4').BeautifulSoup(page.content(), 'lxml') return page '' page = Page() page.goto('https://naver.com') page '' page.soup() ``` # wireguard ```powershell wg genkey|%{$_;$_|wg pubkey} ```