Follow all includes in an apache file and cat the entire config to STDOUT.

acat.py

#!/usr/bin/env python
"""Usage: acat.py <root-config-file>

This program takes the root apache config file and outputs it
to STDOUT following all Include directives.

source: https://gist.github.com/jondb/5637099
Get it:
curl https://gist.github.com/jondb/5637099/download | tar xvz --strip-components=1 && chmod +x acat.py
"""

import glob
import os
import sys


def ExtractDirectiveArg(line):
  """Returns the value part of a direcive line.

  >>> test='"hello \' \" world"'
  >>> test
  '"hello \' " world"'
  >>> print test.decode('string-escape')
  "hello ' " world"
  """
  try:
    return line.split(None, 2)[1].strip().decode('string-escape').strip('"')
  except IndexError:
    print 'ERROR Extracting Directive from input "%s"' % str(line)
    sys.exit(1)


def GetFilesFromDirective(line):
  """Returns the filenames from an Include directive.

  http://httpd.apache.org/docs/2.2/mod/core.html#serverroot
  http://httpd.apache.org/docs/2.2/mod/core.html#include

  args: 
    line: <string> the entire line starting with include.
    serverrot: <string> the server root value from directive.
  Returns:
    files: list of files.
  """
  filepath = ExtractDirectiveArg(line)

  if '*' in filepath:
    return glob.glob(filepath)
  if '/' == filepath[-1]:
    return glob.glob(filepath + '*')
  else:
    return [filepath]


def IsDirective(line, directive):
  return line.lower().strip().startswith(directive)


def CatConfig(filename):
  print "##### ENTERED FILE %s ####" % os.path.join(os.getcwd(), filename)
  infile = open(filename, 'r')
  for line in infile:
    if IsDirective(line, 'include'):
      print "#", line,
      for subfile in GetFilesFromDirective(line):
        CatConfig(subfile)
    elif IsDirective(line, 'serverroot'):
      print line
      serverroot = ExtractDirectiveArg(line)
      os.chdir(serverroot)
    else:
      print line,
  infile.close()
  print "##### --- EXITING FILE %s ####" % os.path.join(os.getcwd(), filename)



if __name__ == '__main__':
  try:
    root_config_file = sys.argv[1]
  except IndexError:
    print __doc__
    sys.exit(1)
  os.chdir(os.path.dirname(root_config_file))
  CatConfig(root_config_file)
  print '# acat.py is DONE! #'