使用Python在Raspberry-Pi中的/etc/network下编辑interfaces文件 [英] edit interfaces file under /etc/network in Raspberry-Pi using Python

问题描述

我目前正在使用已安装Rasbian的RaspberryPi-3.我想自动重新连接到特定网络的网络.通过互联网，我找到了一种实现方法，即通过编辑/etc/network下的interfaces文件.我想使用一些脚本(最好是Python-3)来编辑此文件.我只需要将这些行添加到interfaces文件中即可:

I'm currently working with RaspberryPi-3 with Rasbian installed. I want to auto-reconnect to a network to a specific network. Going through the internet, I found out a way to do it i.e. by editing the interfaces file under /etc/network. I want to edit this file using some script (preferably Python-3). I just need to add these lines to the interfaces file:

auto wlan0
iface wlan0 inet dhcp
    wpa-ssid <my-SSID>
    wpa-psk <my-PassKey>

关于这个问题，请帮助我.

Please help me regarding this issue.

推荐答案

如果您没有在Python中执行此操作的特定原因，建议您使用以下简单的shell脚本:

If you have no specific reason to do that in Python I'd suggest a simple shell script like:

MYSSID=WiFi1
WIFIPW=Zekrett1

cat >> /etc/network/interfaces << EoNet
auto wlan0
iface wlan0 inet dhcp
    wpa-ssid $MYSSID
    wpa-psk  $WIFIPW
EoNet

与Python 2/3相同:

the same in Python 2/3:

ssid='WiFi1'
wifipw='Zekrett1'

with open('/etc/network/interfaces', 'a') as netcfg:
    netcfg.write('auto wlan0\n'
                 'iface wlan0 inet dhcp\n'
                 '    wpa-ssid {}\n'
                 '    wpa-psk  {}\n'.format(ssid, wifipw))

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