Python script to create the file and YAML frontmatter for a Jekyll post

jpost.py

#!/usr/bin/python

from slugify import slugify # this will have to be installed via pip
import subprocess
import time

blog_dir = "/home/you" # CHANGE THIS
blog_name = "blog" # CHANGE THIS
posts_dir = "/_posts"

# here you could override via command line but I'm lazy

title = raw_input("post title: ")
categories = raw_input("categories (space separated): ")

filename = "%s/%s%s/%s-%s.md" % (blog_dir, blog_name, posts_dir, time.strftime("%Y-%m-%d"), slugify(title))
with open(filename, "a") as fp:
    template = """---
layout: post
title:  "{title}"
date:   {date}
categories: {categories}
---"""
    context = {
        "title": title,
        "date": time.strftime("%Y-%m-%d %H:%m:%S %z"),
        "categories": categories
    }
    fp.write(template.format(**context))

subprocess.call(["vim", filename])