view docs/test2rst.py @ 6456:a80ed2e4745b stable

makefile: get setup tools out of the equation

Without these two flags, the new install does not overwrite the older one.
Impressive to see that in 2023 this is still broken.

For the record, `setup.py --help install` says:

  --old-and-unmanageable               Try not to use this!
  --single-version-externally-managed  used by system package builders to
                                       create 'flat' eggs

#!/usr/bin/env python3

import argparse
import os
import re


ignored_patterns = [
    re.compile(r'^#if'),
    re.compile(r'^#else'),
    re.compile(r'^#endif'),
    re.compile(r'#rest-ignore$'),
]


def rstify(orig):
    """Take contents of a .t file and produce reStructuredText"""
    newlines = []

    code_block_mode = False
    sphinx_directive_mode = False

    for line in orig.splitlines():

        # Empty lines doesn't change output
        if not line:
            newlines.append(line)
            code_block_mode = False
            sphinx_directive_mode = False
            continue

        ignored = False
        for pattern in ignored_patterns:
            if pattern.search(line):
                ignored = True
                break
        if ignored:
            continue

        # Sphinx directives mode
        if line.startswith('  .. '):

            # Insert a empty line to makes sphinx happy
            newlines.append("")

            # And unindent the directive
            line = line[2:]
            sphinx_directive_mode = True

        # Code mode
        codeline = line.startswith('  ')
        if codeline and not sphinx_directive_mode:
            if code_block_mode is False:
                newlines.extend(['::', ''])

            code_block_mode = True

        newlines.append(line)

    return "\n".join(newlines)


def main():
    ap = argparse.ArgumentParser()
    ap.add_argument('testfile', help='.t file to transform')

    opts = ap.parse_args()

    with open(opts.testfile) as f:
        content = f.read()
    rst = rstify(content)
    target = os.path.splitext(opts.testfile)[0] + '.rst'
    with open(target, 'w') as f:
        f.write(rst)


if __name__ == '__main__':
    main()