PDF metadata doesn't work for Unicode strings

[eroux]

When running the following:

from fpdf import FPDF

pdf = FPDF()
pdf.add_page(format=(200,200))
pdf.set_creator("༄༅། །སྒྲུབ།")
pdf.output("test-tib.pdf")

I get

Traceback (most recent call last):
  File "test-tib-metadata.py", line 6, in <module>
    pdf.output("test-tib.pdf")
  File "/home/eroux/.local/lib/python3.7/site-packages/fpdf/fpdf.py", line 4492, in output
    self.buffer = output_producer.bufferize()
  File "/home/eroux/.local/lib/python3.7/site-packages/fpdf/output.py", line 442, in bufferize
    self._out(pdf_obj.serialize(_security_handler=fpdf._security_handler))
  File "/home/eroux/.local/lib/python3.7/site-packages/fpdf/output.py", line 462, in _out
    data = data.encode("latin1")
UnicodeEncodeError: 'latin-1' codec can't encode characters in position 61-63: ordinal not in range(256)

I notice that the PHP FPDF has an option for UTF8 metadata, perhaps a similar option could be implemented?

[Lucas-C]

Thank you for the bug report. I am currently working on a fix.

[Lucas-C]

@allcontributors please add @eroux for bug

[allcontributors]

@Lucas-C

I've put up a pull request to add @eroux! 🎉

[eroux]

fantastic, thanks!

[Lucas-C]

This has not been released in a new version of fpdf2, but you can already test it using the latest, unreleased, development version straight from the development branch of this repository:

pip install git+https://github.com/PyFPDF/fpdf2.git@master