linw1995

// https://play.golang.org/p/bxTn8L2gf3d
package main

import (
	"fmt"
)

func Remove(arr []int, idx int) (rv []int) {
	rv = arr[:idx]
	rv = append(rv, arr[idx+1:]...)

linw1995

import dataclasses
import json
from datetime import datetime


def convertor(v):
    if isinstance(v, datetime):
        return v.timestamp()
    elif dataclasses.is_dataclass(v):
        return dataclasses.asdict(v)

linw1995

Please don't use ContextVar.reset in async_generator.

Important rule: Different coroutines own different contexts.

• The example1.py runs one coroutine with async_generator, the async_generator.__anext__ method runs in same context and thus it works find.
• The example2.py produces two coroutines with the same async_generator, the async_generator.__anext__ method runs in different contexts and thus it raises an ValueError exception.

Tips for async_generator with ContextVar

linw1995

import os
import subprocess
import sys


def run_cmd_with_retry(
    cmd,
    retry_count_limit=3,
    retry_delay_seconds=60,
    stdout=sys.stdout.fileno(),

linw1995

import calendar
import dataclasses
from datetime import datetime, timezone

@dataclasses.dataclass
class DatetimeRange:
    begin: datetime
    end: datetime

    @classmethod

linw1995

# Standard Library
import asyncio
import functools

# Third Party Library
import click


def async_command(coro_func):
    @functools.wraps(coro_func)

linw1995

import ssl
import asyncio

from aiohttp import ClientSession


async def main():
    async with ClientSession() as session:
        sslcontext = ssl.create_default_context(cafile='~/.mitmproxy/mitmproxy-ca.pem')
        r = await session.get('https://example.com', proxy='http://localhost:8080', ssl=sslcontext)

linw1995

import logging
from http.cookies import CookieError, Morsel, SimpleCookie

from pyppeteer.page import Page


logger = logging.getLogger(__name__)
PYPPETEER_2_MORSEL = {"httpOnly": "httponly", "sameSite": "samesite"}

linw1995

from datetime import timedelta, timezone

from pyppeteer.page import Page


async def get_browser_timezone(page: Page) -> timezone:
    js_timezone_offset = await page.evaluate(
        """
    function () {
       return new Date().getTimezoneOffset();

linw1995

Get PDM to work with lsp-python-ms in Emacs

A code snippet to show how to use PDM to work with lsp-python-ms in Emacs.

;; TODO: Cache result
(defun linw1995/pdm-get-python-executable (&optional dir)
  (let ((pdm-get-python-cmd "pdm info --python"))
    (string-trim
     (shell-command-to-string