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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# This script is called from the sketchfab addon directly
# to pack and save the file from a blender instance
# so that the users file is left untouched.
import os
import bpy
import json
SKETCHFAB_EXPORT_DATA_FILENAME = 'sketchfab-export-data.json'
SKETCHFAB_EXPORT_DATA_FILE = os.path.join(
bpy.utils.user_resource('SCRIPTS'),
"presets",
SKETCHFAB_EXPORT_DATA_FILENAME,
)
# save a copy of the current blendfile
def save_blend_copy():
import time
filepath = os.path.dirname(bpy.data.filepath)
filename = time.strftime("Sketchfab_%Y_%m_%d_%H_%M_%S.blend",
time.localtime(time.time()))
filepath = os.path.join(filepath, filename)
bpy.ops.wm.save_as_mainfile(filepath=filepath,
compress=True,
copy=True)
size = os.path.getsize(filepath)
return (filepath, filename, size)
# change visibility statuses and pack images
def prepare_assets(export_settings):
hidden = set()
images = set()
if (export_settings['models'] == 'SELECTION' or
export_settings['lamps'] != 'ALL'):
for ob in bpy.data.objects:
if ob.type == 'MESH':
for mat_slot in ob.material_slots:
if not mat_slot.material:
continue
for tex_slot in mat_slot.material.texture_slots:
if not tex_slot:
continue
tex = tex_slot.texture
if tex.type == 'IMAGE':
image = tex.image
if image is not None:
images.add(image)
if ((export_settings['models'] == 'SELECTION' and ob.type == 'MESH') or
(export_settings['lamps'] == 'SELECTION' and ob.type == 'LAMP')):
if not ob.select and not ob.hide:
ob.hide = True
hidden.add(ob)
elif export_settings['lamps'] == 'NONE' and ob.type == 'LAMP':
if not ob.hide:
ob.hide = True
hidden.add(ob)
for img in images:
if not img.packed_file:
try:
img.pack()
except:
# can fail in rare cases
import traceback
traceback.print_exc()
def prepare_file(export_settings):
prepare_assets(export_settings)
return save_blend_copy()
def read_settings():
with open(SKETCHFAB_EXPORT_DATA_FILE, 'r') as s:
return json.load(s)
def write_result(filepath, filename, size):
with open(SKETCHFAB_EXPORT_DATA_FILE, 'w') as s:
json.dump({
'filepath': filepath,
'filename': filename,
'size': size,
}, s)
if __name__ == "__main__":
try:
export_settings = read_settings()
filepath, filename, size = prepare_file(export_settings)
write_result(filepath, filename, size)
except:
import traceback
traceback.print_exc()
import sys
sys.exit(1)
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