old_contents: # -*- coding: utf-8 -*-
  """
      flaskext.lesscss
      ~~~~~~~~~~~~~
  
      A small Flask extension that makes it easy to use LessCSS with your Flask
      application.
  
      :copyright: (c) 2010 by Steve Losh.
      :license: MIT, see LICENSE for more details.
  """
  
  import os, subprocess
  
  def lesscss(app):
      @app.before_request
      def _render_less_css():
          static_dir = app.root_path + app.static_path
          
          less_paths = []
          for path, subdirs, filenames in os.walk(static_dir):
              less_paths.extend([
                  os.path.join(path, f)
                  for f in filenames if os.path.splitext(f)[1] == '.less'
              ])
          
          for less_path in less_paths:
              css_path = os.path.splitext(less_path)[0] + '.css'
              css_mtime, less_mtime = os.path.getmtime(css_path), os.path.getmtime(less_path)
              if less_mtime >= css_mtime:
                  subprocess.call(['lessc', less_path, css_path], shell=False)
  
  
  
new_contents: # -*- coding: utf-8 -*-
  """
      flaskext.lesscss
      ~~~~~~~~~~~~~
  
      A small Flask extension that makes it easy to use LessCSS with your Flask
      application.
  
      :copyright: (c) 2010 by Steve Losh.
      :license: MIT, see LICENSE for more details.
  """
  
  import os, subprocess
  
  def lesscss(app):
      @app.before_request
      def _render_less_css():
          static_dir = app.root_path + app.static_path
          
          less_paths = []
          for path, subdirs, filenames in os.walk(static_dir):
              less_paths.extend([
                  os.path.join(path, f)
                  for f in filenames if os.path.splitext(f)[1] == '.less'
              ])
          
          for less_path in less_paths:
              css_path = os.path.splitext(less_path)[0] + '.css'
              if not os.path.isfile(css_path):
                  css_mtime = -1
              else:
                  css_mtime = os.path.getmtime(css_path)
              less_mtime = os.path.getmtime(less_path)
              if less_mtime >= css_mtime:
                  subprocess.call(['lessc', less_path, css_path], shell=False)
  
  
  
subject: Fix errors when the css files do not exist.