python怎么下载安装第三方库(python怎么下载安装第三方库的软件)
python第三方库安装?
python --version 查看安装的Python版本,
pip --version 查看安装的pip版本,
升级pip命令: python -m pip install --upgrade pip
如果已经下载了jieba安装文件就使用:pip install 文件名
如果没有下载就使用:python -m pip install --user 模块名,系统自动下载
如果没有安装pip,先安装pip。网址是:
安装好pip后,cmd中输入pip list ,你会看到使用pip安装的所有包。
jieba安装文件文件在哪个盘就要选择哪个盘安装,系统默认的是C盘,如果你放在D盘,你要cmd中输入D:,然后回车进入D盘安装,在输入jieba文件在D盘的路径,如:cd D:\python\jieba,然后回车,在输入pip install 你要安装文件的文件名,然后回车就可以了
安装好后,cmd中输入python 然后输入import jieba 如果返回jieba文件的信息就说明你安装成功了
uart是micropython内置库还是第三方库,怎么安装micro python第三方库?
UART通信是MicroPython的内置库之一,可以直接在MicroPython的控制台或脚本中使用。UART通信库提供了一种与串口通信设备进行通信的方式,具有发送和接收数据的功能。
如果需要安装MicroPython的第三方库,可以遵循以下步骤:
在PC上下载并安装pip,它是Python的包管理工具。
在MicroPython设备上安装MicroPython的urequests库,通过WiFi连接将设备连接到Internet,使用以下命令安装urequests库:
?Copy code
import upip
upip.install('micropython-urequests')
在MicroPython设备上使用os模块中的 "os.mkdir()" 创建一个新的文件夹,以便在该文件夹中存放其他第三方库。
使用FileZilla等FTP客户端将包含所需库的文件夹上传到MicroPython设备的根目录。
使用urequests下载其他需要的库。例如,你可以使用以下命令下载"my_library":
?Copy code
import urequests
url = ""
response = urequests.get(url)
with open('/my_library_file.py', "w") as file:
file.write(response.text)
此外,还有其他方法可以安装MicroPython的第三方库,如在MicroPython设备中使用"upip"直接安装,或通过GitHub等外部资源库手动下载并复制到设备中,但以上步骤可以帮助你在MicroPython设备上成功安装第三方库。
python第三方库如何安装?
1、在cmd命令行直接使用pip install 包名命令安装
示例:
注意:安装成功会显示Successfully installed keras,如果出现黄色字体警告,是由于pip库包不是最新的,但keras库已成功安装,可随后对pip包进行更新,更新命令:python -m pip install --upgrade pip。
2、手动下载第三方库,然后在cmd命令行使用pip install 下载文件名命令安装下载的第三方库()
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python 第三方库怎么安装
【方法一】: 通过setuptools来安装python模块
首先下载
NOTE: 最好下载个setuptools,本人是15.2版本,里面包含了ez_setup
运行 python ez_setup.py
D:\work\installation\setuptools-15.2\setuptools-15.2python ez_setup.py 1.txt
Extracting in c:\users\admini~1\appdata\local\temp\tmpbxikxf
Now working in c:\users\admini~1\appdata\local\temp\tmpbxikxf\setuptools-15.2
Installing Setuptools
......
Copying setuptools-15.2-py2.7.egg to c:\python27\lib\site-packages
setuptools 15.2 is already the active version in easy-install.pth
Installing easy_install-script.py script to C:\Python27\Scripts
Installing easy_install.exe script to C:\Python27\Scripts
Installing easy_install-2.7-script.py script to C:\Python27\Scripts
Installing easy_install-2.7.exe script to C:\Python27\Scripts
Installed c:\python27\lib\site-packages\setuptools-15.2-py2.7.egg
Processing dependencies for setuptools==15.2
Finished processing dependencies for setuptools==15.2
运行 easy_install py
D:\workeasy_install py #py 为第三方库文件
Searching for py
Best match: py 1.4.26
Adding py 1.4.26 to easy-install.pth file
Using c:\python27\lib\site-packages
Processing dependencies for py
Finished processing dependencies for py
【方法二】: 通过pip来安装python模块
安装 easy_install pip
D:\workeasy_install pip
Searching for pip
Best match: pip 6.1.1
Processing pip-6.1.1-py2.7.egg
pip 6.1.1 is already the active version in easy-install.pth
Installing pip-script.py script to C:\Python27\Scripts
Installing pip.exe script to C:\Python27\Scripts
Installing pip2.7-script.py script to C:\Python27\Scripts
Installing pip2.7.exe script to C:\Python27\Scripts
Installing pip2-script.py script to C:\Python27\Scripts
Installing pip2.exe script to C:\Python27\Scripts
Using c:\python27\lib\site-packages\pip-6.1.1-py2.7.egg
Processing dependencies for pip
Finished processing dependencies for pip
运行 pip install xlrd
Usage:
pip command [options]
Commands:
install Install packages.
uninstall Uninstall packages.
freeze Output installed packages in requirements format.
list List installed packages.
show Show information about installed packages.
search Search PyPI for packages.
wheel Build wheels from your requirements.
zip DEPRECATED. Zip individual packages.
unzip DEPRECATED. Unzip individual packages.
help Show help for commands.
General Options:
-h, --help Show help.
--isolated Run pip in an isolated mode, ignoring
environment variables and user configuration.
-v, --verbose Give more output. Option is additive, and can be
used up to 3 times.
-V, --version Show version and exit.
-q, --quiet Give less output.
--log path Path to a verbose appending log.
--proxy proxy Specify a proxy in the form
[user:passwd@]proxy.server:port.
--retries retries Maximum number of retries each connection should
attempt (default 5 times).
--timeout sec Set the socket timeout (default 15 seconds).
--exists-action action Default action when a path already exists:
(s)witch, (i)gnore, (w)ipe, (b)ackup.
--trusted-host hostname Mark this host as trusted, even though it does
not have valid or any HTTPS.
--cert path Path to alternate CA bundle.
--client-cert path Path to SSL client certificate, a single file
containing the private key and the certificate
in PEM format.
--cache-dir dir Store the cache data in dir.
--no-cache-dir Disable the cache.
--disable-pip-version-check
Don't periodically check PyPI to determine
whether a new version of pip is available for
download. Implied with --no-index.
【方法三】:直接从网上下载下可执行文件来安装.
比如说,去 pythonlibs 网站,提供了很多Python非官方包下载,二进制文件,下载安装方便.