Re: [xsl] Python and XSLT pt2

["Martin Honnen martin.honnen@xxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

On 27/08/2025 20:07, dvint@xxxxxxxxx wrote:
> This is a different question but related to the code in the previous.
> I thought I was passing parameter values to the stylesheet correctly,
> but I just tried changing a value and I found that it isn't doing what
> I expect.
>
> I've confirmed that the Python parts for passing and changing the
> parameter are correct, it isn't reaching the stylesheet. Note that
> previously I was using these stylesheets and call java at the command
> line and that process was working. Here is the Python
>
> def run_saxon_py(input_file, xslt_file, output_file=None,
> TRYREQUEST=None, DEBUG=None):
>
> B B B  time_to_wait = 10
> B B B  time_counter = 0
> B B B  while not os.path.exists(input_file):
> B B B B B B B  time.sleep(2)
> B B B B B B B  time_counter += 2
> B B B B B B B  print(f"WARNING: Waiting for \"{input_file}\" to exist to
> apply \"{xslt_file}\".")
> B B B B B B B  if time_counter > time_to_wait:break
> B B B  try:
> B B B B B B B  with PySaxonProcessor(license=False) as proc:
>
> B B B B B B B B B B B  xsltproc = proc.new_xslt30_processor()
> B B B B B B B B B B B  executable =
> xsltproc.compile_stylesheet(stylesheet_file=xslt_file)
>
>
> B B B B B B B B B B B  if DEBUG == 'yes':
> B B B B B B B B B B B B B B B  executable.set_parameter('DEBUG',
> proc.make_string_value('yes'))
>
> B B B B B B B B B B B  if TRYREQUEST == 'yes':
> B B B B B B B B B B B B B B B  executable.set_parameter('P1_CONTENT',
> proc.make_string_value('yes'))
>
> B B B B B B B B B B B  if output_file == None:
> B B B B B B B B B B B B B B B  messages =
> executable.transform_to_value(source_file=input_file)
> B B B B B B B B B B B B B B B  print(messages)
> B B B B B B B B B B B  else:
> B B B B B B B B B B B B B B B  # Perform the transformation and write the
output
> directly to a file
> B B B B B B B B B B B B B B B  result_file = xsltproc.transform_to_file(
> B B B B B B B B B B B B B B B B B B B  source_file=input_file,
> B B B B B B B B B B B B B B B B B B B  stylesheet_file=xslt_file,
> B B B B B B B B B B B B B B B B B B B  output_file=output_file
> B B B B B B B B B B B B B B B  )
> B B B B B B B B B B B B B B B  # print(f"Transformation complete. Output
saved to:
> {result_file}")
>
> B B B  except Exception as e:
> B B B B B B B  print(f"ERROR: Unable to apply \"{xslt_file}\" to
> \"{input_file}\": \n{e}\n")
>
>
>
>
> TRYREQUEST is the value I'm trying to change. I'm setting it to yes,
> but instead of getting that value, my default definition of no is not
> changing.
>
> Parameter setting:
>
> B B B B <xsl:param name="P1_CONTENT" select="'no'"/>B B B  <!-- P1
> collections uses Try Request -->
>
> I added a message in the template where this matters
>
> B B B B <xsl:template match="partial" mode="partials">
> B B B B B B B  <xsl:param name="topicid" />
>
> B B B B B B B  <xsl:message>TRY REQUEST: <xsl:value-of
> select="$P1_CONTENT"/></xsl:message>
> B B B B B B B B B B B B B B  ....
>
> And I get this result in the terminal window
>
> Info: Step 4 Create the nav.adoc and antora.yaml.
>
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
> TRY REQUEST: no
>
> Thoughts?

Seems to be a bug in SaxonC, I see it with 12.8. Is that the version you
also use?