export blog posts as octopress compatible markdown files

gistfile1.py

from django.core.management.base import BaseCommand
from main.models import *


class Command(BaseCommand):

    def handle(self, *args, **options):
        for post in Post.objects.all():
            name = post.date.strftime("%Y-%m-%d") + "-" + post.verbose_name + ".markdown"
            full_date = post.date.strftime("%Y-%m-%d %H:%M")
            tags = map(lambda p: p.tag.encode('UTF-8'), post.tag.all())
            title = post.title.encode('UTF-8')

            post_text = change_code_syntax(post.post.encode('UTF-8'))
            #post_text = re.sub(lang_name, repl_lang_name, post.post.encode('UTF-8'))
            
            with open("/home/sinan/yazilar/%s" % name, 'w') as f:
                f.write("---\n")
                f.write("layout: post\n")
                f.write("title: \"" + title + "\"\n")
                f.write("date: " + full_date + "\n")
                f.write("comments: true\n")
                f.write("categories: " + " ".join(tags) + "\n")
                f.write("---\n\n")
                f.write(post_text)

def change_code_syntax(text):
    lines = text.split("\r\n")
    r = []

    in_code = False
    for line in lines:
        cl = line.strip()
        if cl.startswith("::"):
            in_code = True
            lang = cl.split(":")[-1]
            if lang == "lisp":
                lang = "cl"
            elif lang == "CoffeeScript":
                lang = "coffeescript"
            r.append("```" + lang)
        elif in_code:
            if line.startswith("\t"):
                r.append(line[1:])
            elif line.startswith("    "):
                r.append(line[4:])
            elif line.strip() == "":
                r.append(line)
            else:
                r.append("```")
                r.append(line)
                in_code = False
        else:
            r.append(line)


    return "\n".join(r)