write.py

#!/usr/bin/env python
# init post for jekyll

import os
import re
import datetime

text_tmpl = """---
layout: post
title:  %(title)s
date:   %(date_full)s
categories: %(category)s
---

"""

path_tmpl = '_posts/%(date_day)s-%(title_dashed)s.md'

def dashize(s):
  s = re.sub(r'[^A-Za-z0-9_]+', '-', s)
  s = s.strip('-')
  s = s.lower()
  return s

def init_file(category, title):
  date = datetime.datetime.now()
  date_full = date.strftime('%Y-%m-%d %H:%M:%S -08:00')
  date_day = date.strftime('%Y-%m-%d')

  title_dashed = dashize(title)
  text = text_tmpl % locals()
  path = path_tmpl % locals()

  if os.path.exists(path):
    print path, 'already exists'
    return path

  with open(path, 'w') as f:
    f.write(text)

  print 'wrote', path
  return path

def main():
  import sys

  if len(sys.argv) < 3:
    print 'Usage: %s <category> <title>'
    exit(-1)

  category = sys.argv[1]
  title = ' '.join(sys.argv[2:])
  path = init_file(category, title)
  os.system('$EDITOR %s' % path)

if __name__ == '__main__':
  main()