python如何升级pip

在Python中，pip是用于安装和管理Python包的工具，随着时间的推移，pip会不断更新以提供更好的功能和安全性，本文将详细介绍如何在Python中升级pip的方法。

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我们需要了解为什么需要升级pip，以下是升级pip的一些主要原因：

1、新功能：pip的新版本可能包含一些新功能，这些功能可以帮助我们更有效地管理Python包。

2、安全性：pip的新版本可能修复了一些安全漏洞，以提高我们的系统安全性。

3、兼容性：随着Python版本的更新，一些旧版本的pip可能不再兼容，升级pip可以确保我们能够正常使用所有功能。

接下来，我们将介绍如何升级pip，以下是两种常见的升级方法：使用命令行和使用Python脚本。

方法一：使用命令行升级pip

1、打开命令提示符（Windows）或终端（macOS/Linux）。

2、输入以下命令以检查当前pip版本：

pip version

3、如果pip已过时，可以使用以下命令升级pip：

python m pip install upgrade pip

或者，如果你使用的是Windows系统，可以使用以下命令：

py m pip install upgrade pip

4、等待命令执行完成，完成后，再次输入以下命令以确认pip已成功升级：

pip version

方法二：使用Python脚本升级pip

1、打开文本编辑器，如Notepad++或Visual Studio Code。

2、创建一个新的Python文件，例如upgrade_pip.py。

3、将以下代码复制到文件中：

import os
import sys
import subprocess
from distutils.core import run_setup
from setuptools import CommandNotFoundError, find_packages
from setuptools.command.install import install as _install
from setuptools import setup, find_packages
from wheel.bdist_wheel import bdist_wheel as _bdist_wheel
from wheel import WheelFile as _WheelFile
from glob import glob
from pathlib import Path
import platform
import shutil
import tempfile
import urllib.request
import zipfile
import io
import contextlib
import tarfile
import hashlib
import logging
import requests
from urllib.parse import urljoin, urlparse, quote, unquote, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl, urlparse, urlunparse, urlsplit, parse_qs, urlencode, urlunparse, parse_qsl
url = "https://bootstrap.pypa.io/getpip.py"
download = "getpip.py" if platform.system() == "Windows" else "getpip.py"
os.system(f"curl {url} > {download}")
with open(download) as f: file_content = f.read()
installer = run_setup(None) + [("install", None)] + [("egg", "pip#egg=pip")] + [("script", download)] + [("name", "pip"), ("version", "9.0.3")] + [("use_local", "false")] + [("find_links", [])] + [("indexurl", "https://pypi.org/simple")] + [("extraindexurl", [])] + [("nodeps", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlybinary", None)] + [("onlypython36m","true")]]
installer = run_setup(installer)["install"]() if not isinstance(installer[0], Exception) else installer[0].__class__()(*installer[1]) if isinstance(installer[0], type) else installer[0]() if callable(installer[0]) else installer[0] if not isinstance(installer[0], Exception) else installer[0].__class__()(*installer[1]) if isinstance(installer[0], type) else installer[0]() if callable(installer[0]) else installer[0] if not isinstance(installer[0], Exception) else installer[0].__class__()(*installer[1]) if isinstance(installer[0], type) else installer[0]() if callable(installer[0]) else installer[0] if not isinstance(installer[0], Exception) else installer[0].__class__()(*installer[1]) if isinstance(installer[0], type) else installer[0]() if callable(installer[0]) else installer[0] if not isinstance(installer[0], Exception) else installer[0].__class__()(*installer[1]) if isinstance(installer[0], type) else installer[0]() if callable(installer[0]) else installer[0] if not isinstance(installer[0], Exception) else installer[0].__class__()(*installer[1]) if isinstance(installer[0

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