软件测试|pip命令，你真的会了吗？

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获取用法帮助

pip help

C:\Users\xxx>pip help

Usage:

pip <command> [options]

Commands:

install Install packages.

download Download packages.

uninstall Uninstall packages.

freeze Output installed packages in requirements format.

list List installed packages.

show Show information about installed packages.

check Verify installed packages have compatible dependencies.

config Manage local and global configuration.

search Search PyPI for packages.

cache Inspect and manage pips wheel cache.

index Inspect information available from package indexes.

wheel Build wheels from your requirements.

hash Compute hashes of package archives.

completion A helper command used for command completion.

debug Show information useful for debugging.

help Show help for commands.

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此处省略1w字。

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安装库 pip install

pip install selenium

pip install selenium=3.141.0

pip install --upgrade pip

pip install package -i https://pypi.douban.com/simple

补充：

国内镜像站点

清华源：https://pypi.tuna.tsinghua.edu.cn/simple 阿里源：http://mirrors.aliyun.com/pypi/simple/

卸载库

卸载库比较简单粗暴直接

pip uninstall selenium

查看已安装的库

pip list

pip list

Package Version

-------------------------- ----------

adbutils 0.8.3

apkutils2 1.0.0

Appium-Python-Client 1.2.0

asgiref 3.3.1

async-generator 1.10

atomicwrites 1.4.0

attrdict 2.0.1

attrs 21.2.0

blinker 1.4

Brotli 1.0.9

cached-property 1.5.2

certifi 2021.5.30

cffi 1.14.2

chardet 3.0.4

charset-normalizer 2.0.3

chevron 0.13.1

cigam 0.0.3

click 7.1.2

colorama 0.4.4

ConfigArgParse 1.2.3

cryptography 3.2.1

cx-Oracle 8.0.1

decorator 4.4.2

Deprecated 1.2.10

deprecation 2.1.0

enum34 1.1.6

et-xmlfile 1.0.1

facebook-wda 1.3.2

Flask 1.1.2

Flask-BasicAuth 0.2.0

gevent 20.6.2

geventhttpclient 1.4.4

ghp-import 2.0.1

greenlet 0.4.16

h11 0.11.0

h2 4.0.0

hpack 4.0.0

html-testRunner 1.2.1

hyperframe 6.0.0

idna 3.2

importlib-metadata 4.6.1

iniconfig 1.1.1

itsdangerous 1.1.0

jdcal 1.4.1

Jinja2 2.11.2

jsonpath 0.82

kaitaistruct 0.9

ldap3 2.8.1

locust 1.2.1

logzero 1.6.3

lxml 4.3.4

Markdown 3.3.4

MarkupSafe 1.1.1

mergedeep 1.3.4

mitmproxy 5.3.0

mkdocs 1.2.1

mkdocs-material 7.1.8

mkdocs-material-extensions 1.0.1

more-itertools 7.1.0

msgpack 1.0.0

mtf 1.0.0

multi-key-dict 2.0.3

namedlist 1.7

numpy 1.18.4

openpyxl 3.0.5

outcome 1.1.0

packaging 21.0

pandas 1.1.4

passlib 1.7.4

pbr 5.6.0

Pillow 8.0.1

pip 22.2.2

pluggy 0.13.1

progress 1.5

protobuf 3.13.0

psutil 5.7.2

publicsuffix2 2.20191221

py 1.10.0

pyasn1 0.4.8

pycparser 2.20

pydivert 2.1.0

pyelftools 0.27

Pygments 2.9.0

pymdown-extensions 8.2

PyMySQL 0.10.1

pyOpenSSL 19.1.0

pyparsing 2.4.7

pyperclip 1.8.1

pytest 7.1.2

批量安装

当我们的项目需要用到的库很多时，我们一个个安装显得很费时费力，我们需要能够一次性安装项目所有第三方库的功能，别急，pip可以满足这个需求

pip freeze > requirements.txt

pip install -r requirements.txt

命令将requirements.txt文件中的库名和版本号进行批量安装。

注：requirements.txt文件所在的路径需和命令行当前路径一致。如果不一致，务必将requirements.txt文件地址写成绝对路径。返回搜狐，查看更多