GimpScript.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# License: MIT
# copy file to ~/.gimp-2.8/plug-ins and make it executeble, then run gimp with comdline
# gimp -ib '(python-wim RUN-NONINTERACTIVE "mytemplate.xcf" "guest_list.txt" "outdir")''(gimp-quit 0)'

import os, re, glob
from gimpfu import *
from gimpenums import *

# our script
def make_invitations(template, guest_list, outputdir) :
    if not outputdir:
      outputdir = os.path.dirname(guest_list)

    pdb.gimp_message("Making Invitation using template[" + template + "] and guests list[" + guest_list + "]")

    guests = open(guest_list).read().splitlines();

    image = pdb.gimp_file_load(template,  template)

    tpl_layers = get_tpl_layers(image)

    tpl_count = len(tpl_layers)
    if tpl_count < 1:
      pdb.gimp_message("Can't found Text Layer with name GuestName... in template " + template)
      return

    for guests_chunk in chunker(guests, tpl_count):
      curr_image = pdb.gimp_image_duplicate(image)

      for guest, tpl_layer in zip(guests_chunk, get_tpl_layers(curr_image)):
        pdb.gimp_text_layer_set_text(tpl_layer,  guest)

      imagefile = outputdir + os.sep + "inv_" + guests_chunk[0] + ("" if tpl_count == 1 else "-" + guests_chunk[-1]) + ".png"
      pdb.gimp_message(imagefile)
      pdb.gimp_image_merge_visible_layers(curr_image, CLIP_TO_IMAGE)
      #pdb.gimp_file_save(curr_image, pdb.gimp_image_get_active_layer(curr_image) imagefile,  imagefile)
      pdb.file_png_save2(curr_image, pdb.gimp_image_get_active_layer(curr_image), imagefile, imagefile, 0, 9, 0, 0 , 0, 0, 0, 0, 1)
      pdb.gimp_image_delete(curr_image)

    pdb.gimp_image_delete(image)
    return
    
def chunker(seq, size):
    return (seq[pos:pos + size] for pos in xrange(0, len(seq), size))

def get_tpl_layers(image): 
    container=[] 
    for layer in image.layers:
      if pdb.gimp_item_is_group(layer): 
        container.extend( get_tpl_layers(layer) ) 
      if layer.name.lower().startswith( 'guestname' ) and pdb.gimp_drawable_is_text_layer(layer):
        container.append(layer) 
    return container

# This is the plugin registration function
register(
    "python_wim",    
    "WeddingInvitationMaker",   
    "Use template for making WeddingInvitation",
    "bademux",
    "",
    "2015",
   "<Toolbox>/Wedding/Wedding Invitation",
    "",
    [
        (PF_FILENAME, "template_file", "Tempate File", "invitation.xcf"),
        (PF_FILENAME, "guest_list_file", "Guest List (new line separated)", "guest_list.txt"),
        (PF_DIRNAME, "output_directory", "0utputdir", ""),
    ],  
    [],
    make_invitations,
)

main()