Hi,
Unfortunately, we can't use two translators at the same time. Only one
translator can be registered to the specific builder. So it would be
better to integrate these translators to a single one.
As a workaround, you can override the method of the default
LaTeXTranslator via assigning method::
from sphinx.writers.latex import LaTeXTranslator
original_visit_literal_block = LaTeXTranslator.visit_literal_block
def my_visit_literal_block(self, node):
...
LaTeXTranslator.visit_literal_block = my_visit_literal_block
Thanks,
Takeshi KOMIYA
2020年8月7日(金) 21:12 Yves Chevallier <canard...@gmail.com>:
>
> I am writing an extension that uses `listings` instead of `SphinxVerbatim`.
> This extension extends the current translator:
>
> def setup(app):
> app.set_translator('latex', MyLaTeXTranslator)
>
> return {
> 'version': '0.1',
> 'parallel_read_safe': True,
> 'parallel_write_safe': True,
> }
>
> Then I want to write another extension that adds a colored frame around the
> code
>
> from sphinx.writers.latex import LaTeXTranslator
>
> class Translator(LaTeXTranslator):
> def visit_literal_block(self, node):
> return ''.join([
> 'foo',
> super().visit_literal_block(node),
> 'bar'
> ])
>
> def setup(app):
> app.set_translator('latex', Translator)
>
> return {
> 'version': '0.1',
> 'parallel_read_safe': True,
> 'parallel_write_safe': True,
> }
>
> Unfortunately this lead to an error:
>
> sphinx.errors.ExtensionError: Translator for 'latex' already exists
>
>
> Extension error:
> Translator for 'latex' already exists
>
> What is the proper way to do this?
>
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