#!/usr/bin/env python
import sys
import argparse
import tempfile
import webbrowser
import time

from docutils.core import publish_string

import locale
try:
    locale.setlocale(locale.LC_ALL, '')
except:
    pass

def main(argv=None):
    parser = argparse.ArgumentParser(description=
        'Render reStructuredText straight to the browser.'
    )

    parser.add_argument('filename', type=str)

    args = parser.parse_args()
    source_file = open(args.filename)

    print 'Rendering and viewing', source_file.name

    with tempfile.NamedTemporaryFile(suffix='.html') as f:
        # Render the file
        html = publish_string(source=source_file.read(), writer_name='html')

        # Write output to file
        f.write(html)
        f.flush()

        fileurl = 'file://' + f.name

        # Open in the browser
        webbrowser.open(fileurl, new=2)

        # Wait 1 second for the browser to open it
        time.sleep(1)


if __name__ == "__main__":
    sys.exit(main())