majic-scripts Changeset

Changeset - d9dc09972603

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Branko Majic (branko) - 1 month ago 2025-03-05 23:51:19
branko@majic.rs

[mapping_generator.py] Implemented support for outputing parametrised template into PNG format.

1 file changed with 44 insertions and 4 deletions:

utils/mapping_generator.py

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utils/mapping_generator.py

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@@ @@ -18,6 +18,7 @@ @@
 import shutil
 import math
 import os
 import subprocess
 import click
 import yaml
@@ @@ -77,6 +78,31 @@ def display_mappables_as_yaml(mappables): @@
     click.echo(yaml.dump(document, width=4096))
 def validate_output_height(ctx, param, value):
     """
     Validates the output height value, ensuring it is within the correct range.
     :param ctx: Click context.
     :type ctx: click.Context
     :param param: Click option that is being validated.
     :type param: click.Option
     :param value: Option value.
     :type value: any
     :raises click.BadParameter: If the passed-in value is out of bounds.
     :returns: Validated value.
     :rtype: int
     """
     if value < 0 or value > 2147483647:
         raise click.BadParameter('must be a non-negative integer between 0 and 2147483647')
     return value
 # Allow use of short option for showing help.
 CONTEXT_SETTINGS = dict(help_option_names=['-h', '--help'])
@@ @@ -150,9 +176,14 @@ def info(template, search, output_format): @@
 @click.argument('parameters', type=click.File('r'))
 @click.argument('output', type=click.Path(dir_okay=False, writable=True, allow_dash=True))
 @click.option('--force-overwrite', '-f', is_flag=True, help='force overwriting output file')
 def apply(template, parameters, output, force_overwrite):
 @click.option('--output-height', '-H', default=0, callback=validate_output_height, help='output image height for png')
 def apply(template, parameters, output, force_overwrite, output_height):
     """
     Applies user-provided parameters against the template, and outputs the result.
     Applies user-provided PARAMETERS against the TEMPLATE, and places the result into OUTPUT file. The output file
     can be either a filename or '-' for stdout.
     Output format is based on passed-in file extension. Currently supported file extensions/formats are: svg. When
     output is '-' (stdout), the output format is always svg.
     """
     template_tree = ElementTree.fromstring(template.read())
@@ @@ -178,8 +209,17 @@ def apply(template, parameters, output, force_overwrite): @@
     if os.path.isdir(output):
         raise click.FileError(output, 'output must be a file path')
     with click.open_file(output, 'wb') as output_file:
         output_file.write(ElementTree.tostring(template_tree))
     if output.endswith('.svg') or output == '-':
         with click.open_file(output, 'wb') as output_file:
             output_file.write(ElementTree.tostring(template_tree))
     elif output.endswith('.png'):
         command = ['inkscape', '--pipe', '--export-filename', output]
         command += ['--export-height', str(output_height)]
         subprocess.run(command, input=ElementTree.tostring(template_tree), check=True)
     else:
         raise click.BadParameter(
             f'unsupported extension/output format ({ os.path.splitext(output)[-1] or "none specified" })',
             param=output, param_hint='output')
 if __name__ == '__main__':

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