pySerial封装了对串口的访问，供大家参考，具体内容如下

特性

在支持的平台上有统一的接口。

通过python属性访问串口设置。

支持不同的字节大小、停止位、校验位和流控设置。

可以有或者没有接收超时。

类似文件的API，例如read和write，也支持readline等。

支持二进制传输，没有null消除，没有cr-lf转换。

有关Python的环境配置请参考： 《Python入门》Windows 7下Python Web开发环境搭建笔记

而 pip 是随 Python 一同安装的，如下图：

pip 帮助信息，在命令行中输入 pip 就能看到以下的帮助信息

G:>pip

Usage:

pip [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.

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 to a verbose appending log.

--proxy Specify a proxy in the form

[user:passwd@]proxy.server:port.

--retries Maximum number of retries each connection should

attempt (default 5 times).

--timeout Set the socket timeout (default 15 seconds).

--exists-action Default action when a path already exists:

(s)witch, (i)gnore, (w)ipe, (b)ackup.

--trusted-host Mark this host as trusted, even though it does

not have valid or any HTTPS.

--cert Path to alternate CA bundle.

--client-cert Path to SSL client certificate, a single file

containing the private key and the certificate

in PEM format.

--cache-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.

安装 pySerial 串口通讯模块

使用 pip 来安装非常简单，只需使用以下命令：pip install pyserial。

安装时可能会出现以下提示：