Error when using beancount\parser\printer.py 'PseudoOutputFile' object has no attribute 'buffer'

[Chary Chary]

Hello everybody.

I was experimenting with scripting and when I run example from your document   Beancount Scripting & Plugins, I get the following error

Example:

from beancount import loader

from beancount.parser import printer

# example file, generated by beancount

filename='example.beancount'

entries, errors, options = loader.load_file(filename)

for entry in entries:

    printer.print_entry(entry)

Error

Traceback (most recent call last):

  File "C:\_code\fava&BC testing\test.py", line 14, in <module>

    printer.print_entry(entry)

  File "C:\Users\user\AppData\Local\Programs\Python\Python37-32\lib\site-packages\beancount\parser\printer.py", line 351, in print_entry

    output = file or codecs.getwriter("utf-8")(sys.stdout.buffer)

AttributeError: 'PseudoOutputFile' object has no attribute 'buffer'

Any idea what that might me?

I am using python 3.7 on windows 10

[Martin Blais]

I don't know - I don't have access to Windows - but I'm probably not wrapping up stdout in an utf-8 encoder the right way.

This could be improved.

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[Chary Chary]

Martin, 

thanks.

OK, I tested the same under Unbuntu the error indeed does not come up.

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[Martin Blais]

There's a related discussion here:

https://stackoverflow.com/questions/4374455/how-to-set-sys-stdout-encoding-in-python-3

I could potentially change this code to wrap the output encoder differently, or encode explicitly and write bytes.

Problem is, I don't have access to a Windows box, so I can't really test the differences there.

If someone's up for it, test a few of the options in the thread and let me know which works on Windows and I'll make the adjustment.

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[Chary Chary]

On Monday, April 8, 2019 at 7:22:32 AM UTC+2, Martin Blais wrote:

There's a related discussion here:

https://stackoverflow.com/questions/4374455/how-to-set-sys-stdout-encoding-in-python-3

I could potentially change this code to wrap the output encoder differently, or encode explicitly and write bytes.

Problem is, I don't have access to a Windows box, so I can't really test the differences there.

If someone's up for it, test a few of the options in the thread and let me know which works on Windows and I'll make the adjustment.

Martin,

if you are able to describe what needs to be done so that  an armature self-taught Python user can do it - then I am definitely willing to try

 

[Chary Chary]

The problem on Windows is still there, but I have found workaround. The workaround is to print to file:

printer.print_entry(entry,file=open('output.txt','a'))