[OpenWrt-Devel] Question regarding call python script

[John Crispin]

On 11/03/2016 04:49, Jason Wu wrote:
> Hi John,
> 
> There are two scripts that i am thinking about.
> 
> 1. generate fitimage.its that is able to generate mufti-configuration
> its file with multiple kernel/dtb/rootfs. One of the benefit of using
> python is that it is easier to implement from my point of view. But have
> to said it can done with shell as well.
> 
> 2. dts/dtb modification existing dts file. e.g append/replace a the
> existing dts parameters, or add a subnode to a node and etc, this one
> will be harder to do it in shell but it can be done with shell+awk.
> 
> In both case, i am thinking to use nested
> array(shell)/dictionary(python) to create the database. each
> array/dictionary representing a node the key benefit of using python is
> that nested dictionary is much easier to handle than bash's associated
> array.
> 
> The other reason is that I got a existing python script does similar
> thing but more specific to my own purpose. Just though it will be easier
> to modify it to suit the need with OpenWrt.
> 
> There is no reason why the script can't be implemented in shell. That's
> why i ask.
> 
> Best regards,
> 
> jason
> 
> On 11/03/2016 7:12 AM, John Crispin wrote:
>>
>>
>> On 10/03/2016 22:11, Alexandru Ardelean wrote:
>>>
>>>
>>> On Thu, Mar 10, 2016 at 6:38 PM, Jo-Philipp Wich <jow at openwrt.org
>>> <mailto:jow at openwrt.org>> wrote:
>>>
>>>      Hi Jason,
>>>
>>>      no reason against it per se but it would introduce a new build
>>> prereq I
>>>      suppose. If possible we'd like to stick to things we already
>>> require
>>>      (perl, awk, shell).
>>>
>>>
>>>      Regards, Jo
>>>      _______________________________________________
>>>      openwrt-devel mailing list
>>>      openwrt-devel at lists.openwrt.org
>>> <mailto:openwrt-devel at lists.openwrt.org>
>>>      https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
>>>
>>>
>>> As far as I know, python is already required by the OpenWRT build
>>> system.
>>> The build stops if there is no /usr/bin/python (not 100% sure about this
>>> anymore)
>>>
>>> And in rules.mk <http://rules.mk> there's
>>> PYTHON:=python
>>> (and this is not related in any way to the Python package in the feeds)
>>>
>>> So, I guess Python is fine.
>>>
>>
>> depends on what you want to do. i dont really see anything that cannot
>> be handled using shell. what exactly do you want to write in python ?
>>
>>

please dont top post. i see your point but there is no technical reason
to use python beyond you being more skilled in python than the other
languages. i personally would prefer to stick to shell as that is what
the rest of the system uses. so i am basing my opinion more on terms of
consistency.

	John



>>
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