[Qgis-user] Using an image PNG file in a Processing Algorithm shortHelpString

[1520 gis]

Hello all,

I'm hitting my head on a wall trying to get the absolute path of a file.py
in order to load a logo in a shortHelpString as shown below.
      dir_name = (os.path.dirname(__file__))
        script_path =
os.path.abspath(inspect.getfile(inspect.currentframe()))
        script_dir = os.path.dirname(script_path)
        logo_path = (os.path.join(script_dir, 'logo.png'))
        print(f"logo_path: {logo_path}")
        logoPath = "/Users/juliermegp/Library/Application
Support/QGIS/QGIS3/profiles/default/processing/scripts/logo.png"

return f"""
        <h2>Example Algorithm</h2>
        <p>This algorithm demonstrates the use of a relative path to
include an image in the help description.</p>
        <h3>Parameters</h3>
        <ul>
            <li><b>Input Raster Layer:</b> The raster layer to be
processed.</li>
            <li><b>Output Raster Layer:</b> The resulting processed raster
layer.</li>
        </ul>
        <h3>Usage</h3>
        <p>To use this algorithm, select the input raster layer and specify
the desired output location for the processed raster layer.</p>
        <h3>Image Example</h3>
        <p>The following image provides an example of the expected
output:</p>
        <img src="{image_url}" alt="Example Output Image" />
        <h3>Notes</h3>
        <p>Ensure that the image file (example_output.png) is placed in the
relative path <code>images/</code> within the plugin directory. This path
is relative to the location of the algorithm script.</p>

According to the variables above, only logoPath works the other ones don't.
Could someone tell me why I can't get the absolute file using __file__?
Could you give me a direction on how to achieve that? The script runs
inside the scripts directory in QGIS directory.

Thank you for your time in advance.

Julierme
-- 
##########################################
*Julierme G Pinheiro*
*SDI Expert & Geoprocessing Specialist*
Phone: +55 61 99994-3569
Website: GIS
<https://www.udemy.com/course/qgis-server-para-iniciantes-instalacao-e-configuracao/>
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