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python第三方库的下载安装,怎么下载python第三方库_python下载库
作者：羊村懒王 | 2024-05-22 01:31:31
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python下载库
大家好，小编来为大家解答以下问题，python如何下载第三方库numpy，python第三方库的下载安装，今天让我们一起来看看吧！
Source code download: 本文相关源码
1、场景介绍
在一些服务器上，我们搭建完Python环境之后，因为服务器的网络限制原因，不能直接通过pip命令下载安装Python的依赖包。
因此，我们需要在可以正常上网的服务器上下载好所需的依赖包文件，然后拷贝到目标服务器，通过pip在目标服务器上进行安装python自学清单。
2、准备requirements.txt文件
requirements.txt文件罗列的是依赖包列表，表示你要下载的依赖包以及对应的版本。
该文件可以通过两种方式创建，分别是pip命令创建和手工创建。
- jupyter==1.0.0
- notebook==6.1.0
（1）pip命令创建requirements.txt，可以把当前服务器的Python依赖包生成列表到requirements.txt文件中。
【pip list】
【pip freeze >requirements.txt】
（2）手工创建
requirements.txt，直接新建一个requirements.txt文件，然后按照格式填写所需依赖包以及对应版本号。
3、下载依赖包
注意：该步骤需要在可以正常上网的服务器上下载。下载的依赖包文件如图2所示。
pip download -r requirements.txt -d packages/ -i https://pypi.tuna.tsinghua.edu.cn/simple
其中：（packages/是要生成的文件夹，存放下载的依赖包文件；https://pypi.tuna.tsinghua.edu.cn/simple是镜像源地址）。
4、安装依赖包
准备好依赖包之后，就可以在无法使用pip命令下载安装依赖包的目标服务器上进行安装了。
使用命令之前，需要把packsges文件夹、requirements.txt文件拷贝到目标服务器，下面以requests依赖包为例。
pip install --no-index --find-links=./packages -r ./requirements.txt
（其中：./packsges是依赖包的所在路径；./requirements.txt是依赖包的列表路径）。
- D:\zjj\pip>pip list
- Package Version
- --------------------------------- ---------
- anyio 3.7.1
- argon2-cffi 21.3.0
- argon2-cffi-bindings 21.2.0
- arrow 1.2.3
- asttokens 2.2.1
- async-lru 2.0.4
- attrs 23.1.0
- Babel 2.12.1
- backcall 0.2.0
- beautifulsoup4 4.12.2
- bleach 6.0.0
- certifi 2023.7.22
- cffi 1.15.1
- charset-normalizer 3.2.0
- colorama 0.4.6
- comm 0.1.3
- debugpy 1.6.7
- decorator 5.1.1
- defusedxml 0.7.1
- distlib 0.3.7
- exceptiongroup 1.1.2
- executing 1.2.0
- fastjsonschema 2.18.0
- filelock 3.12.2
- fqdn 1.5.1
- idna 3.4
- importlib-metadata 6.8.0
- importlib-resources 6.0.0
- ipykernel 6.25.0
- ipython 8.12.2
- ipython-genutils 0.2.0
- ipywidgets 8.0.7
- isoduration 20.11.0
- jedi 0.19.0
- Jinja2 3.1.2
- json5 0.9.14
- jsonpointer 2.4
- jsonschema 4.18.4
- jsonschema-specifications 2023.7.1
- jupyter_client 8.3.0
- jupyter-console 6.6.3
- jupyter-contrib-core 0.4.2
- jupyter_core 5.3.1
- jupyter-events 0.6.3
- jupyter-highlight-selected-word 0.2.0
- jupyter-lsp 2.2.0
- jupyter-nbextensions-configurator 0.6.3
- jupyter_server 2.7.0
- jupyter_server_terminals 0.4.4
- jupyterlab 4.0.3
- jupyterlab-pygments 0.2.2
- jupyterlab_server 2.24.0
- jupyterlab-widgets 3.0.8
- lxml 4.9.3
- MarkupSafe 2.1.3
- matplotlib-inline 0.1.6
- mistune 3.0.1
- nbclient 0.8.0
- nbconvert 7.7.3
- nbformat 5.9.1
- nest-asyncio 1.5.7
- notebook 7.0.0
- notebook_shim 0.2.3
- overrides 7.3.1
- packaging 23.1
- pandocfilters 1.5.0
- parso 0.8.3
- pickleshare 0.7.5
- pip 23.2.1
- pipenv 2023.7.23
- pkgutil_resolve_name 1.3.10
- platformdirs 3.10.0
- prometheus-client 0.17.1
- prompt-toolkit 3.0.39
- psutil 5.9.5
- pure-eval 0.2.2
- pycparser 2.21
- Pygments 2.15.1
- python-dateutil 2.8.2
- python-json-logger 2.0.7
- pytz 2023.3
- pywin32 306
- pywinpty 2.0.11
- PyYAML 6.0.1
- pyzmq 25.1.0
- qtconsole 5.4.3
- QtPy 2.3.1
- referencing 0.30.0
- requests 2.31.0
- rfc3339-validator 0.1.4
- rfc3986-validator 0.1.1
- rpds-py 0.9.2
- Send2Trash 1.8.2
- setuptools 68.0.0
- six 1.16.0
- sniffio 1.3.0
- soupsieve 2.4.1
- stack-data 0.6.2
- terminado 0.17.1
- tinycss2 1.2.1
- tomli 2.0.1
- tornado 6.3.2
- traitlets 5.9.0
- typing_extensions 4.7.1
- uri-template 1.3.0
- urllib3 2.0.4
- virtualenv 20.24.2
- virtualenv-clone 0.5.7
- wcwidth 0.2.6
- webcolors 1.13
- webencodings 0.5.1
- websocket-client 1.6.1
- widgetsnbextension 4.0.8
- zipp 3.16.2
-
- D:\zjj\pip>pip install --no-index --find-links=./packages -r ./requirements.txt
- Looking in links: ./packages
- Processing d:\zjj\pip\packages\requests-2.28.2-py3-none-any.whl (from -r ./requirements.txt (line 1))
- Requirement already satisfied: charset-normalizer<4,>=2 in d:\environment\python\python3.8.10\lib\site-packages (from requests==2.28.2->-r ./requirements.txt (line 1)) (3.2.0)
- Requirement already satisfied: idna<4,>=2.5 in d:\environment\python\python3.8.10\lib\site-packages (from requests==2.28.2->-r ./requirements.txt (line 1)) (3.4)
- Processing d:\zjj\pip\packages\urllib3-1.26.16-py2.py3-none-any.whl (from requests==2.28.2->-r ./requirements.txt (line 1))
- Requirement already satisfied: certifi>=2017.4.17 in d:\environment\python\python3.8.10\lib\site-packages (from requests==2.28.2->-r ./requirements.txt (line 1)) (2023.7.22)
- Installing collected packages: urllib3, requests
- Attempting uninstall: urllib3
- Found existing installation: urllib3 2.0.4
- Uninstalling urllib3-2.0.4:
- Successfully uninstalled urllib3-2.0.4
- Attempting uninstall: requests
- Found existing installation: requests 2.31.0
- Uninstalling requests-2.31.0:
- Successfully uninstalled requests-2.31.0
- Successfully installed requests-2.28.2 urllib3-1.26.16
-
- D:\zjj\pip>pip list
- Package Version
- --------------------------------- ---------
- anyio 3.7.1
- argon2-cffi 21.3.0
- argon2-cffi-bindings 21.2.0
- arrow 1.2.3
- asttokens 2.2.1
- async-lru 2.0.4
- attrs 23.1.0
- Babel 2.12.1
- backcall 0.2.0
- beautifulsoup4 4.12.2
- bleach 6.0.0
- certifi 2023.7.22
- cffi 1.15.1
- charset-normalizer 3.2.0
- colorama 0.4.6
- comm 0.1.3
- debugpy 1.6.7
- decorator 5.1.1
- defusedxml 0.7.1
- distlib 0.3.7
- exceptiongroup 1.1.2
- executing 1.2.0
- fastjsonschema 2.18.0
- filelock 3.12.2
- fqdn 1.5.1
- idna 3.4
- importlib-metadata 6.8.0
- importlib-resources 6.0.0
- ipykernel 6.25.0
- ipython 8.12.2
- ipython-genutils 0.2.0
- ipywidgets 8.0.7
- isoduration 20.11.0
- jedi 0.19.0
- Jinja2 3.1.2
- json5 0.9.14
- jsonpointer 2.4
- jsonschema 4.18.4
- jsonschema-specifications 2023.7.1
- jupyter_client 8.3.0
- jupyter-console 6.6.3
- jupyter-contrib-core 0.4.2
- jupyter_core 5.3.1
- jupyter-events 0.6.3
- jupyter-highlight-selected-word 0.2.0
- jupyter-lsp 2.2.0
- jupyter-nbextensions-configurator 0.6.3
- jupyter_server 2.7.0
- jupyter_server_terminals 0.4.4
- jupyterlab 4.0.3
- jupyterlab-pygments 0.2.2
- jupyterlab_server 2.24.0
- jupyterlab-widgets 3.0.8
- lxml 4.9.3
- MarkupSafe 2.1.3
- matplotlib-inline 0.1.6
- mistune 3.0.1
- nbclient 0.8.0
- nbconvert 7.7.3
- nbformat 5.9.1
- nest-asyncio 1.5.7
- notebook 7.0.0
- notebook_shim 0.2.3
- overrides 7.3.1
- packaging 23.1
- pandocfilters 1.5.0
- parso 0.8.3
- pickleshare 0.7.5
- pip 23.2.1
- pipenv 2023.7.23
- pkgutil_resolve_name 1.3.10
- platformdirs 3.10.0
- prometheus-client 0.17.1
- prompt-toolkit 3.0.39
- psutil 5.9.5
- pure-eval 0.2.2
- pycparser 2.21
- Pygments 2.15.1
- python-dateutil 2.8.2
- python-json-logger 2.0.7
- pytz 2023.3
- pywin32 306
- pywinpty 2.0.11
- PyYAML 6.0.1
- pyzmq 25.1.0
- qtconsole 5.4.3
- QtPy 2.3.1
- referencing 0.30.0
- requests 2.28.2
- rfc3339-validator 0.1.4
- rfc3986-validator 0.1.1
- rpds-py 0.9.2
- Send2Trash 1.8.2
- setuptools 68.0.0
- six 1.16.0
- sniffio 1.3.0
- soupsieve 2.4.1
- stack-data 0.6.2
- terminado 0.17.1
- tinycss2 1.2.1
- tomli 2.0.1
- tornado 6.3.2
- traitlets 5.9.0
- typing_extensions 4.7.1
- uri-template 1.3.0
- urllib3 1.26.16
- virtualenv 20.24.2
- virtualenv-clone 0.5.7
- wcwidth 0.2.6
- webcolors 1.13
- webencodings 0.5.1
- websocket-client 1.6.1
- widgetsnbextension 4.0.8
- zipp 3.16.2
-
- D:\zjj\pip>
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Python入门技能树人工智能机器学习工具包Scikit-learn419989 人正在系统学习中
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