gcode layer sep and conversion to svg by chatgpt

import subprocess

# Set the path to your G-code file
gcode_file_path = 'path/to/gcode/file.gcode'

# Set the path to the OpenSCAD script that generates the SVG
openscad_script_path = 'path/to/openscad/script.scad'

# Open the G-code file for reading
with open(gcode_file_path, 'r') as gcode_file:
    # Initialize variables for tracking layer information
    layer_number = None
    layer_lines = []

    # Loop through each line in the file
    for line in gcode_file:
        # Check if the line contains a layer number
        if line.startswith(';LAYER:'):
            # If we have previous layer data, convert it to an SVG
            if layer_number is not None:
                # Construct the output file name
                output_file_name = f'layer_{layer_number}.svg'

                # Join the layer's G-code lines into a single string
                layer_code = ''.join(layer_lines)

                # Create the OpenSCAD command to generate the SVG
                openscad_command = f'openscad -o {output_file_name} -D "gcode=\'{layer_code}\'" {openscad_script_path}'

                # Run the OpenSCAD command
                subprocess.run(openscad_command, shell=True)

                # Clear the layer data for the next iteration
                layer_number = None
                layer_lines = []

            # Parse the layer number from the line
            layer_number = int(line.split(':')[1])

        # Add the line to the current layer's data
        layer_lines.append(line)

    # If there is still layer data remaining after the loop, convert it to an SVG
    if layer_number is not None:
        # Construct the output file name
        output_file_name = f'layer_{layer_number}.svg'

        # Join the layer's G-code lines into a single string
        layer_code = ''.join(layer_lines)

        # Create the OpenSCAD command to generate the SVG
        openscad_command = f'openscad -o {output_file_name} -D "gcode=\'{layer_code}\'" {openscad_script_path}'

        # Run the OpenSCAD command
        subprocess.run(openscad_command, shell=True)