python code to convert from hyde blog to rst format

hyde2rst.py

"""
* Creation Date : 14-01-2012
* Last Modified : 
* Created By :  Shreesh Ayachit (shreesh.ayachit@gmail.com)
* Description : 
"""
import os
import sys
import re
from subprocess import call
pat = re.compile(r'---\n(?P<header>[^-].*?)---\n',re.DOTALL)
TITLE = re.compile('\s*title:\s*(?P<title>.*)')
DATE = re.compile(r'(?P<date>\d{4}-\d{2}-\d{2})')
TIME = re.compile(r'(?P<time>\d{2}:\d{2})')
SNIP = re.compile('\s*snip:\s*(?P<snip>.*?)')
TAGS = re.compile('\s*-\s+(?P<tags>.*)')


def usage():
    print 'usage: port.py  <blog_dir>'

def fileList(source):
    matches = []
    for root, dirnames, filenames in os.walk(source):
        for filename in filenames:
            if filename.endswith(('.html')) and ((filename.find('index') == -1) and (filename.find('listing') == -1)):
                matches.append(os.path.join(root, filename))
    return matches

def read_file(name):
    lines = []
    with open(name,'r') as f:
        for line in f:
            lines.append(line)
    return ''.join(lines)


     
def convert_rst(from_file):
    print from_file
    string = read_file(from_file)
    match = pat.search(string)
    header = ''
    author = 'Shreesh'
    body =  pat.sub('',string)
    if match:
        header = match.group('header') 
    title  = TITLE.search(header).group('title') or ''
    time = TIME.search(header).group('time') or ''
    date  = DATE.search(header).group('date') or ''
    #snip = SNIP.search(header).group('snip') or ''
    tags = TAGS.search(header).group('tags') or ''
    print body

    def convert_header():
        rst_head = '.. title:: '+title+'\n'
        rst_head += '.. author:: '+author+'\n'
        rst_head += '.. updated:: '+date+' '+time+'\n'
        rst_head += '.. timezone:: UTC'+'\n'
        rst_head += '.. feed:: all'+'\n'
        rst_head += '.. copyright:: Creative Commons Attribution 3.0 Unported'+'\n'
        return rst_head 

    with open('temp1.txt','w') as temp1:
        print >>temp1,body

    newhead = convert_header() 
    title = re.sub(r'\s+','-',title)
    call(['pandoc','-s','-w','rst','temp1.txt','-o','temp2.txt'])
    lines = read_file('temp2.txt')
    with open('shreesh/posts/'+date+'-'+title+'.rst','w') as f2:
        print>>f2,newhead
        print>>f2,lines
    os.remove('temp1.txt')
    os.remove('temp2.txt')

if __name__ == "__main__":
    if len(sys.argv) < 2:
        usage()
        exit(1)
    blog_dir = sys.argv[1]
    for file_name in fileList(blog_dir):
        convert_rst(file_name)