I see. If you want to specify a file, precode might not the best option.
I found a hacky way to do it. Accessing SparkInterpreter instance object
from PysparkInterpreter.
%pyspark
sparkIntpField = intp.getClass().getDeclaredField("sparkInterpreter")
sparkIntpField.setAccessible(True)
sparkIntp = sparkIntpField.get(intp)
# run my scala code
sparkIntp.interpret("val a=10", z.getInterpreterContext())
See attached screenshot.
[image: image.png]
This is accessing internal variables outside the official API. So it may
break at any time.
I think it's better to expose interpret() method through 'ZeppelinContext'.
So inside Note,
z.interpret(any_string)
can work without accessing this method in a hacky way.
Please feel free to file an issue.
Thanks,
moon
On Mon, Mar 8, 2021 at 10:23 PM Carlos Diogo <cdi...@gmail.com> wrote:
> Are you able to specify a file on the precode?
> For now my work around is from within the note and with the rest api , to
> add a paragraph with the code I want to inject ( which can come from a file
> )
> It works ok , but with run all or schedule the code gets updated in the
> note , but the old Code still executes . Only on the next run it will take
> effect
>
> On Mon 8. Mar 2021 at 22:48, moon soo Lee <m...@apache.org> wrote:
>
>> Hi,
>>
>> How about precode
>> <http://zeppelin.apache.org/docs/0.9.0/usage/interpreter/overview.html#precode>?
>> "zeppelin.SparkInterpreter.precode"
>> can run scala code.
>>
>> Thanks,
>> moon
>>
>>
>> On Sat, Mar 6, 2021 at 4:51 AM Carlos Diogo <cdi...@gmail.com> wrote:
>>
>>> That does not work if you want to have Scala code in a file ( common
>>> functions) which you want to invoke in the note
>>> The alternative is to compile the code and then add the jar which would
>>> be normal for an application.
>>> But zeppelin is about scripting so this is a request I get very often
>>> from the users.
>>> Specially because the z.run does not work properly most of the times
>>> Carlos
>>>
>>> On Sat 6. Mar 2021 at 11:36, Jeff Zhang <zjf...@gmail.com> wrote:
>>>
>>>> Why not copying scala code in zeppelin and run the notebook directly ?
>>>>
>>>> Carlos Diogo <cdi...@gmail.com> 于2021年3月6日周六 下午3:51写道：
>>>>
>>>>> Dear all
>>>>> I have been trying to find a was to inject scala Code ( from String)
>>>>> into the spark interpreter
>>>>> In pyspark is easy with the exec function
>>>>> It should not be very difficult to access from the Note scala repl
>>>>> interpreter but i could not find a way . I was even able to create a new
>>>>> repl session but then I could not bind the objects
>>>>> Any tips ?
>>>>> Thanks
>>>>> --
>>>>> Os meus cumprimentos / Best regards / Mit freundlichen Grüße
>>>>> Carlos Diogo
>>>>>
>>>>
>>>>
>>>> --
>>>> Best Regards
>>>>
>>>> Jeff Zhang
>>>>
>>> --
>>> Os meus cumprimentos / Best regards / Mit freundlichen Grüße
>>> Carlos Diogo
>>>
>> --
> Os meus cumprimentos / Best regards / Mit freundlichen Grüße
> Carlos Diogo
>
