md2.py

"""
Convert markdown files containing Python code into working Python files.

Usage: python md2.py [markdownfile]

Example:

  Flask is Fun
  ============
  
      from flask import Flask
      app = Flask(__name__)
  
      @app.route("/")
      def hello():
          return "Hello World!"
  
      if __name__ == "__main__":
          app.run()
  
  Interested?
  ===========
  
  - [Download latest release](http://pypi.python.org/packages/source/F/Flask/Flask-0.10.tar.gz) (0.10)
  - [Fork it on Github](https://github.com/mitsuhiko/flask)
  
Becomes:

  # Flask is Fun
  # ============
  
  from flask import Flask
  app = Flask(__name__)
  
  @app.route("/")
  def hello():
      return "Hello World!"
  
  if __name__ == "__main__":
      app.run()
  
  # Interested?
  # ===========
  
  # - [Download latest release](http://pypi.python.org/packages/source/F/Flask/Flask-0.10.tar.gz) (0.10)
  # - [Fork it on Github](https://github.com/mitsuhiko/flask)

"""
import sys

TAB_WIDTH = 4

INDENT = ' ' * TAB_WIDTH

if __name__ == "__main__":
    with open(sys.argv[1]) as f:
        for line in f:
            if not line.strip():
                print ""
            elif line.startswith(INDENT):
                print line[TAB_WIDTH:].rstrip()
            else:
                print "# %s" % line.rstrip()