Re: [Py4j-users] How to access attributes ?

[Barthelemy D. <bar...@in...>]

Hi!

Thanks for using Py4J!

To access fields, you can either use gateway.get_field(object, "test1") or
set auto_field=True when initializing the gateway to access object.test1.

Reference: http://py4j.sourceforge.net/faq.html#how-to-access-a-field

auto_field is False by default because it costs an extra lookup.

Barthelemy

On Wed Dec 03 2014 at 10:30:12 PM Wilfried Fauvel <wil...@gm...>
wrote:

> Hi, I am testing py4j and I would like to know if it is possible to
> access class attributes.
> In the Stack class from the getting started page, I added :
>
>     public static final String test1 = "TEST";
>     public static final int test2 = 12;
>     public int test3 = 12;
>
> and with python 2.7 :
>
> gateway = JavaGateway()
> stack = gateway.entry_point.getStack()
> print(gateway.help(stack))
> >>> field section is empty
>
> print stack.test1
> print stack.test2
> print stack.test3
> >>> <py4j.java_gateway.JavaMember object at 0x7fd7b1647250>
> >>> <py4j.java_gateway.JavaMember object at 0x7fd7b1647a10>
> >>> <py4j.java_gateway.JavaMember object at 0x7fd7b16479d0>
>
> Thank you,
> Wilfried.
>
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