Re: eval() with unicode_literals?

Paulo:

A footnote to this ... I believe your call:

     python.exec("from __future__ import unicode_literals");

ought to have made the u-prefix unnecessary in the subsequent eval(), as 
you expected, but it doesn't. See: http://bugs.jython.org/issue2039

Jeff

On 19/10/2015 23:19, Jeff Allen wrote:
> Glad you like it. The trick is to ensure your source code is treated 
> as Unicode by eval(). But even then, the only place your non-ascii 
> characters can appear is inside a Unicode literal, signalled by the 
> u-prefix (or maybe in comments). The following worked for me (in 
> 2.7.1, under Eclipse):
>
> import org.python.core.Py;
> import org.python.core.PyObject;
> import org.python.util.PythonInterpreter;
>
> public class UnicodeInterpret {
>     public static void main(String[] args) {
>         PythonInterpreter python = new PythonInterpreter();
>         String source = "u'λαμβδα'";
>         PyObject result = python.eval(Py.newUnicode(source));
>         System.out.println(result);
>     }
> }
>
> Jeff
>
> On 19/10/2015 19:59, Paulo Costa wrote:
>> Hello,
>> First, thanks for this awesome library.
>> I've just started used Jython and I'm loving it :)
>>
>>
>> I'm using it inside my project to evalute some user-define expressions.
>> I need these expressions evaluated using unicode_literals
>>
>> How can I do that?
>>
>> This is what I've tried so far:
>>
>>         PythonInterpreter python = new PythonInterpreter();
>>
>>
>>         //Not using unicode_literals
>>
>>         System.out.println(python.eval("repr('é')"));
>>
>>
>>         //Try to update the interpreter using exec - Doesn't work
>>
>>         python.exec("from __future__ import unicode_literals");
>>
>>         System.out.println(python.eval("repr('é')"));
>>
>>
>>         //Import unicode_literals and print string inside exec() -
>>         Works, but doesn't return a value
>>
>>         python.exec("from __future__ import unicode_literals\nprint
>>         repr('é')");
>>
>>
>> Thanks!
>>
>

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