我要评论1、生成 requirements.txt 文件
(1) 本地环境所有三方库
pip3 freeze > requirements.txt
生成后，打开文件requirements.txt，
本地所有依赖都自动添加到文件里（可以视项目需要删减）
absl-py==0.9.0 allure-pytest==2.6.2 allure-python-commons==2.6.2 atlassian-python-api==1.17.5 atomicwrites==1.3.0 attrs==19.1.0 automat==0.7.0 baidu-aip==2.2.18.0
(2) 当前项目使用的三方库
pipreqs ./
执行完会自动生成 requirements.txt 文件。
（但是三方库并不一定全，最好自己再二次check下ಥ_ಥ）
2、安装requirements.txt文件里的依赖
pip3 install -r requirements.txt
3、安装依赖过程
（1）如requirements.txt里需要安装以下依赖
pyyaml==5.3.1 assertpy==1.1 pytest==6.0.2 lxml==4.5.2 appium-python-client==1.0.2
（2）安装依赖过程
> pip3 install -r requirements.txt
looking in indexes: https://mirrors.aliyun.com/pypi/simple/
collecting pyyaml==5.3.1 (from -r requirements.txt (line 1))
using cached https://mirrors.aliyun.com/pypi/packages/64/c2/b80047c7ac2478f9501676c988a5411ed5572f35d1beff9cae07d321512c/pyyaml-5.3.1.tar.gz
collecting assertpy==1.1 (from -r requirements.txt (line 2))
downloading https://mirrors.aliyun.com/pypi/packages/4f/39/720b5d4463612a40a166d00999cbb715fce3edaf08a9a7588ba5985699ec/assertpy-1.1.tar.gz
collecting pytest==6.0.2 (from -r requirements.txt (line 3))
downloading https://mirrors.aliyun.com/pypi/packages/45/2c/7e29215cb19745ad67b6476b73fd1299872563f28329ea01d9d887713aaf/pytest-6.0.2-py3-none-any.whl (270kb)
|████████████████████████████████| 276kb 1.3mb/s
collecting lxml==4.5.2 (from -r requirements.txt (line 4))
downloading https://mirrors.aliyun.com/pypi/packages/87/34/460f1df365685ac91d9eba233c3b1f6980bb266048f770609fbec4691998/lxml-4.5.2-cp37-cp37m-macosx_10_9_x86_64.whl (4.4mb)
|████████████████████████████████| 4.4mb 4.2mb/s
collecting appium-python-client==1.0.2 (from -r requirements.txt (line 5))
downloading https://mirrors.aliyun.com/pypi/packages/21/ca/3261b5da5b6851ea5297f44b2dc7f3167f00a7ce3e99907b49bf69c56360/appium-python-client-1.0.2.tar.gz (51kb)
|████████████████████████████████| 61kb 2.5mb/s
collecting py>=1.8.2 (from pytest==6.0.2->-r requirements.txt (line 3))
downloading https://mirrors.aliyun.com/pypi/packages/68/0f/41a43535b52a81e4f29e420a151032d26f08b62206840c48d14b70e53376/py-1.9.0-py2.py3-none-any.whl (99kb)
|████████████████████████████████| 102kb 1.9mb/s
requirement already satisfied: more-itertools>=4.0.0 in /usr/local/lib/python3.7/site-packages (from pytest==6.0.2->-r requirements.txt (line 3)) (7.0.0)
collecting toml (from pytest==6.0.2->-r requirements.txt (line 3))
downloading https://mirrors.aliyun.com/pypi/packages/9f/e1/1b40b80f2e1663a6b9f497123c11d7d988c0919abbf3c3f2688e448c5363/toml-0.10.1-py2.py3-none-any.whl
requirement already satisfied: attrs>=17.4.0 in /usr/local/lib/python3.7/site-packages (from pytest==6.0.2->-r requirements.txt (line 3)) (19.1.0)
requirement already satisfied: importlib-metadata>=0.12; python_version < "3.8" in /usr/local/lib/python3.7/site-packages (from pytest==6.0.2->-r requirements.txt (line 3)) (1.7.0)
collecting pluggy<1.0,>=0.12 (from pytest==6.0.2->-r requirements.txt (line 3))
downloading https://mirrors.aliyun.com/pypi/packages/a0/28/85c7aa31b80d150b772fbe4a229487bc6644da9ccb7e427dd8cc60cb8a62/pluggy-0.13.1-py2.py3-none-any.whl
collecting packaging (from pytest==6.0.2->-r requirements.txt (line 3))
downloading https://mirrors.aliyun.com/pypi/packages/46/19/c5ab91b1b05cfe63cccd5cfc971db9214c6dd6ced54e33c30d5af1d2bc43/packaging-20.4-py2.py3-none-any.whl
collecting iniconfig (from pytest==6.0.2->-r requirements.txt (line 3))
downloading https://mirrors.aliyun.com/pypi/packages/20/46/d2f4919cc48c39c2cb48b589ca9016aae6bad050b8023667eb86950d3da2/iniconfig-1.0.1-py3-none-any.whl
requirement already satisfied: selenium<4,>=3.14.1 in /usr/local/lib/python3.7/site-packages (from appium-python-client==1.0.2->-r requirements.txt (line 5)) (3.141.0)
requirement already satisfied: zipp>=0.5 in /usr/local/lib/python3.7/site-packages (from importlib-metadata>=0.12; python_version < "3.8"->pytest==6.0.2->-r requirements.txt (line 3)) (3.1.0)
requirement already satisfied: six in /usr/local/lib/python3.7/site-packages (from packaging->pytest==6.0.2->-r requirements.txt (line 3)) (1.12.0)
requirement already satisfied: pyparsing>=2.0.2 in /usr/local/lib/python3.7/site-packages (from packaging->pytest==6.0.2->-r requirements.txt (line 3)) (2.4.0)
requirement already satisfied: urllib3 in /usr/local/lib/python3.7/site-packages (from selenium<4,>=3.14.1->appium-python-client==1.0.2->-r requirements
总结
以上为个人经验，希望能给大家一个参考，也希望大家多多支持代码网。
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