83 lines
3.2 KiB
Markdown
83 lines
3.2 KiB
Markdown
## sqlite3 [25-02-23]
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```py
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from tqdm.auto import tqdm, trange; import json
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Soup = lambda html: __import__('bs4').BeautifulSoup(html, 'lxml')
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for i,c in enumerate('RGYB'):globals()[c]=lambda s,i=i:f'\x1b[{91+i}m{s}\x1b[0m'
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def SQL(db='.db'):
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import sqlite3, os, json; (not os.path.exists(db) and os.makedirs(db) is None,
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(con := sqlite3.connect(f'{db}/sql', isolation_level=None)).execute(
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"PRAGMA busy_timeout="f'{1e9}'))[0] and con.executescript(
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"PRAGMA journal_mode=WAL; CREATE TABLE kv(k,v,t DEFAULT CURRENT_TIMESTAMP);"
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"CREATE INDEX idx_kv_v ON kv(v); CREATE INDEX idx_kv_k_t ON kv(k,t DESC);")
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return (sql := type('', (), dict(__call__=lambda _, q, *p: [*con.execute(q, p)],
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__setitem__=lambda _, k, v: sql("INSERT INTO kv(k,v) VALUES(?,?)",
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k, v if type(v) is bytes else json.dumps(v)),
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__getitem__=lambda _, k: (json.loads(v) if type(v := v[0][0]) is str else v) if
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(v := sql("SELECT v FROM kv WHERE k=? ORDER BY t DESC LIMIT 1", k)) else None,
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__eq__=lambda _, query: sql("SELECT * FROM kv WHERE k LIKE ?", query),
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__ne__=lambda _, query: sql("SELECT * FROM kv WHERE k NOT LIKE ?", query),
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__delitem__=lambda _, rows: [
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sql("DELETE FROM kv WHERE k=? AND v=? AND t=?", *row) for row in rows],
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__contains__=lambda _, k: bool(sql("SELECT 1 FROM kv WHERE k=?", k)),
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__len__=lambda _: sql("SELECT COUNT(*) FROM kv")[0][0],
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__iter__=lambda _: iter(k[0] for k in sql("SELECT k FROM kv"))))())
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sql = SQL()
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```
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## tauri + svelte + shadcn
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```sh
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git clone https://github.com/alysonhower/tauri2-svelte5-shadcn.git
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cd tauri2-svelte5-shadcn
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bun i
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bun run dev -- --host
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```
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## syncify
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```py
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def sync(coro):
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import asyncio, functools, nest_asyncio; nest_asyncio.apply()
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return functools.wraps(coro)(lambda *args, **kwargs:
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asyncio.run(coro(*args, **kwargs)))
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@sync
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async def main(): print('hello'); return 'world'
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main()
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```
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## playwright [25-03-01]
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```python
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def Page():
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def sync(obj):
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import asyncio, functools
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if asyncio.iscoroutine(coro := obj):
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loop, future = asyncio.get_event_loop(), asyncio.ensure_future(coro)
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while not future.done():
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loop._process_events(loop._selector.select(0))
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if (ready := loop._ready) and not (handle := ready.popleft())._cancelled:
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task = (tasks := asyncio.tasks._current_tasks).pop(loop, None)
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handle._run()
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tasks[loop] = task
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return future.result()
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if asyncio.iscoroutinefunction(func := obj): return functools.wraps(func)(
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lambda *args, **kwargs: sync(func(*args, **kwargs)))
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for attr in dir(obj):
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if asyncio.iscoroutinefunction(method := getattr(obj, attr)):
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setattr(obj, attr, sync(method))
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return obj
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from playwright.async_api import async_playwright
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browser = sync(sync(async_playwright().start()).firefox.launch())
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page = sync(sync(browser.new_page()))
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page._repr_png_ = page.screenshot
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return page
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page = Page()
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page.goto('https://naver.com')
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page
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```
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# wireguard
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```powershell
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wg genkey|%{$_;$_|wg pubkey}
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``` |