[yocto] Reducing the size of the image by optimizing python

[Richard Purdie]

On Sat, 2019-10-19 at 12:45 +0000, Abhi Arora wrote:
> Thanks for the reply. Can you help me which file to modify to prevent
> downloading certain packages and modules using BAD_RECOMMENDATION? 
> 
> And how to have only pyc files in the final image to improve speed
> and reduce footprint?
> 
> Following are the lines in my yocto project which install python
> packages.
> 
> IMAGE_INSTALL_append = " \
>     python3 \
>     python3-core \
>     python3-misc \
>     python3-async \
>     python3-six \
>     python3-websockets \
>     python3-requests \
>     python3-urllib3 \
>     python3-chardet \
>     python3-websocket-client \
>     python3-pyopenssl \
>     python3-simplejson \
>     python3-cython \
> 
> Pardon for some stupid questions as I am new to yocto.

Take python3-misc out that list as its huge. See if anything breaks, if
so, try and install just what you need, not the large "catchall"
package.

Cheers,

Richard