Conver RST file to sphinx-gallery `.py` format

convert.py

"""
Usage:

    python convert.py xxx.rst xxx.py

To convert markdown to sphinx_gallery `.py`, use pandoc to generate a `.rst` text in advance:

    pandoc xxx.md --output xxx.rst
    python convert.py xxx.rst xxx.py

"""

import sys

input_filename = sys.argv[1]
output_filename = sys.argv[2]

with open(input_filename, 'r') as f_in:
    with open(output_filename, 'w') as f_out:
        inside_python = False
        for line in f_in:
            if not inside_python and line.startswith('.. code:: python='):
                inside_python = True
                continue

            if inside_python:
                if line.startswith('    '):
                    f_out.write(line[4:])
                    continue
                elif line.startswith('\t'):
                    f_out.write(line[1:])
                    continue
                elif len(line) > 1:
                    inside_python = False
                    f_out.write('##############################################################################\n')
                else:
                    f_out.write('\n')
                    continue

            if len(line) > 1:
                f_out.write('# ' + line)
            else:
                f_out.write('#\n')

Nice code.