#!/usr/bin/python

from dt_ParseArgs import parse_args, NO_ARGS
from dt_StructuredDoc import StructuredDoc
from dt_FilePath import canonical, strip_filename, relative_to

import posix, sys, copy

ops, args=parse_args(
    [(['h', 'help'], NO_ARGS, 'display this help and exit'),
     (['version'], NO_ARGS, 'output version information and exit'),
     (['r', 'site-root', 'root'], posix.getcwd(), 
      ('ROOT', 'The root of the web pages (ignored)')),
     (['suffix'], "", ('SUFFIX', 'write modified file with SUFFIX (default=no suffix')),
     (['s', 'to-stdout'], NO_ARGS, 
      'write to stdout (default=overwrite file)')],
    name='dt_remove',
    usage='Usage: dt_remove [OPTION] CONTENT ...',
    description='Remove template from CONTENT',
    version='0.0.1')

content_filename_list=args
site_root=ops['r']

for content_filename in content_filename_list:
    try:
	s=StructuredDoc(from_file=content_filename)
    except IOError:
	sys.stderr.write("error: cannot open file \"%s\"\n"
			 % content_filename)
	sys.exit(1)
    new_pieces=[]
    for x in s.pieces:
	if type(x) is type([]):
	    new_pieces.append(x)
    s.pieces=new_pieces
    if ops.has_key('s'):
	out_file=sys.stdout
    else:
	out_file=open(content_filename+ops['suffix'], "w")
    out_file.write(str(s))
    if ops.has_key('s'):
	out_file.close()