Scrivener to Textile

"""

       scrivener_to_textile.py
       by aaron@andcuriouser.com

       Converts HTML exported from Scrivener to friendly Textile markup

       Prerequisities:
               None

       Usage:
               python scrivener_to_textile.py input.html

"""


import sys
import xml.etree.ElementTree as ET

print('\nScrivener HTML to Textile\nby Aaron Scott Hildebrandt (andcuriouser.com)\n')
print('Converts HTML exported from Scrivener to friendly Textile markup\n')

if len(sys.argv)<2:
    print('--> You need to specify an HTML file')
    sys.exit()

try: tree = ET.parse(sys.argv[1])
except:
    print('--> Can\'t parse file '+sys.argv[1])
    sys.exit()
root = tree.getroot()
status = None

output = ""

count = 0

for paragraph in root.find('body').findall('p'):
    paragraph = ET.tostringlist(paragraph)
    for chunk in paragraph:
        if chunk and chunk != '<span' and chunk != '<p' and chunk != '>':
            if chunk.find('italic') != -1:
                status = 'italic'
                output += '_'
            elif chunk.find('bold') != -1:
                status = 'bold'
                output += "*"
            elif chunk == '</span>':
                if status == 'italic':
                    output += '_'
                elif status == 'bold':
                    output += '*'
                status = None
                if output[-2:] == ' _':
                    output = output[0:-2]
                    output += '_ '
            elif chunk.find('style="') == -1:
                output += chunk

output = output.replace('<p>', '').replace('</p>', '\n').replace('&#8220;', '"').replace('&#8217;', '\'').replace('&#8221;', '"').replace('&#8212;', '--').replace('\n<br />\n\n--\n\n<br />\n', '\n<hr />\n')

output_filename = ('.').join(sys.argv[1].split('.')[:-1])+'.textile'

try:
    outgoing = open(output_filename, 'w')
    outgoing.write(output)
    outgoing.close()
    print('--> Saved Textile markup as '+output_filename)
except:
    print('--> I ran into an error saving '+output_filename)