wonderbeyond

Writing an apt proxy conf file /etc/apt/apt.conf.d/proxy.conf as below.

Acquire::http::Proxy "socks5h://127.0.0.1:1080";
Acquire::https::Proxy "socks5h://127.0.0.1:1080";
Acquire::socks::Proxy "socks5h://127.0.0.1:1080";

And the proxy settings will be applied the next time we run apt.

wonderbeyond

"""
Help me implement the Python function,
def locate_line(filename, pattern: str, after: str|None, until: str|None) -> int: ...
It finds the first line in file matching the re pattern and returns the 1-based lineno,  0 means nothing found. The after and until params specify the optional searching range.
Please write concise, clear but readable code.
"""

wonderbeyond

import six
from peewee import Model, FieldAccessor
from playhouse.postgres_ext import BinaryJSONField


class GForeignKeyAccessor(FieldAccessor):
    def get_rel_instance(self, instance):
        value = instance.__data__.get(self.name)
        model_name = value['model']
        rel_model = self.field.allowed_types[model_name]

wonderbeyond

#!/usr/bin/env python

"""
How to use it:
1. Just `kill -2 PROCESS_ID` or `kill -15 PROCESS_ID`,
   The Tornado Web Server Will shutdown after process all the request.
2. When you run it behind Nginx, it can graceful reboot your production server.
"""

import time

wonderbeyond

from typing import cast
import logging
import json
import urllib.request
import http.client
import urllib.parse

logger = logging.getLogger(__name__)

wonderbeyond

#!/usr/bin/env python3
from os import path
import tempfile
import subprocess
import datetime as dt
import click


@click.group()
def cli():

wonderbeyond

import os
import binascii
import uuid
from xid import Xid


def get_guid(style='uuid'):
    """Get a globally unique string for identify things"""
    if style == 'uuid':
        return uuid.uuid4().hex

wonderbeyond

from functools import reduce


def rgetattr(obj, attr, *args):
    """See https://stackoverflow.com/questions/31174295/getattr-and-setattr-on-nested-objects"""
    def _getattr(obj, attr):
        return getattr(obj, attr, *args)
    return reduce(_getattr, [obj] + attr.split('.'))

import os.path

wonderbeyond

def make_chunks(text, chunk_size: int, overlap: int = 0):
    """Split text into chunks with overlap."""
    chunks = []
    len_ = len(text)
    for i in range(0, len_, chunk_size - overlap):
        chunks.append(text[i: i + chunk_size])
        if i + chunk_size >= len_:
            break
    return chunks

wonderbeyond

References:

• https://github.com/darkk/redsocks
• https://www.cnblogs.com/develon/p/11830726.html
• https://fuckcloudnative.io/posts/linux-circumvent/
• https://www.cnblogs.com/whych/p/9147900.html
• https://www.singchia.com/2018/03/23/A-Brief-Talk-About-Proxy-CN/
• https://blog.chih.me/global-proxy-within-redsocks-and-shadowsocks.html
• http://gsoc-blog.ecklm.com/iptables-redirect-vs.-dnat-vs.-tproxy/

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