atom-editor - Atom 编辑器无法安装软件包

我在 Ubuntu 16.04 上，我遇到了这个问题。我有一个名为 /etc/hosts/ 的目录，它是这个 repo的克隆版本。

显然，将目录命名为与文件相同的目录并不完全是明智之举，但我能够通过移动目录并再次运行 repo 的安装脚本来解决问题。安装脚本调用 a 来刷新 DNS 文件，该文件位于此处文件的第 1193 行。

我提取了应该可以解决问题的脚本/函数；

#!/usr/bin/env python3

# Script by Ben Limmer
# https://github.com/l1m5
#
# This Python script will combine all the host files you provide
# as sources into one, unique host file to keep you internet browsing happy.

import argparse
import fnmatch
import json
import locale
import os
import platform
import re
import shutil
import socket
import subprocess
import sys
import tempfile
import time
from glob import glob

import lxml  # noqa: F401
from bs4 import BeautifulSoup

# Detecting Python 3 for version-dependent implementations
PY3 = sys.version_info >= (3, 0)

if PY3:
    from urllib.request import urlopen
else:
    raise Exception("We do not support Python 2 anymore.")

# Syntactic sugar for "sudo" command in UNIX / Linux
if platform.system() == "OpenBSD":
    SUDO = ["/usr/bin/doas"]
else:
    SUDO = ["/usr/bin/env", "sudo"]


# Project Settings
BASEDIR_PATH = os.path.dirname(os.path.realpath(__file__))

def flush_dns_cache():
    """
    Flush the DNS cache.
    """

    print("Flushing the DNS cache to utilize new hosts file...")
    print(
        "Flushing the DNS cache requires administrative privileges. You might need to enter your password."
    )

    dns_cache_found = False

    if platform.system() == "Darwin":
        if subprocess.call(SUDO + ["killall", "-HUP", "mDNSResponder"]):
            print_failure("Flushing the DNS cache failed.")
    elif os.name == "nt":
        print("Automatically flushing the DNS cache is not yet supported.")
        print(
            "Please copy and paste the command 'ipconfig /flushdns' in "
            "administrator command prompt after running this script."
        )
    else:
        nscd_prefixes = ["/etc", "/etc/rc.d"]
        nscd_msg = "Flushing the DNS cache by restarting nscd {result}"

        for nscd_prefix in nscd_prefixes:
            nscd_cache = nscd_prefix + "/init.d/nscd"

            if os.path.isfile(nscd_cache):
                dns_cache_found = True

                if subprocess.call(SUDO + [nscd_cache, "restart"]):
                    print_failure(nscd_msg.format(result="failed"))
                else:
                    print_success(nscd_msg.format(result="succeeded"))

        centos_file = "/etc/init.d/network"
        centos_msg = "Flushing the DNS cache by restarting network {result}"

        if os.path.isfile(centos_file):
            if subprocess.call(SUDO + [centos_file, "restart"]):
                print_failure(centos_msg.format(result="failed"))
            else:
                print_success(centos_msg.format(result="succeeded"))

        system_prefixes = ["/usr", ""]
        service_types = ["NetworkManager", "wicd", "dnsmasq", "networking"]

        for system_prefix in system_prefixes:
            systemctl = system_prefix + "/bin/systemctl"
            system_dir = system_prefix + "/lib/systemd/system"

            for service_type in service_types:
                service = service_type + ".service"
                service_file = path_join_robust(system_dir, service)
                service_msg = (
                    "Flushing the DNS cache by restarting " + service + " {result}"
                )

                if os.path.isfile(service_file):
                    dns_cache_found = True

                    if subprocess.call(SUDO + [systemctl, "restart", service]):
                        print_failure(service_msg.format(result="failed"))
                    else:
                        print_success(service_msg.format(result="succeeded"))

        dns_clean_file = "/etc/init.d/dns-clean"
        dns_clean_msg = "Flushing the DNS cache via dns-clean executable {result}"

        if os.path.isfile(dns_clean_file):
            dns_cache_found = True

            if subprocess.call(SUDO + [dns_clean_file, "start"]):
                print_failure(dns_clean_msg.format(result="failed"))
            else:
                print_success(dns_clean_msg.format(result="succeeded"))

        if not dns_cache_found:
            print_failure("Unable to determine DNS management tool.")

atom-editor - Atom 编辑器无法安装软件包

问题描述

解决方案

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