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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 #####
# <pep8 compliant>
"""
Example Usage:
./blender.bin --background --python tests/python/batch_import.py -- \
--operator="bpy.ops.import_scene.obj" \
--path="/fe/obj" \
--match="*.obj" \
--start=0 --end=10 \
--save_path=/tmp/test
./blender.bin --background --python tests/python/batch_import.py -- \
--operator="bpy.ops.import_scene.autodesk_3ds" \
--path="/fe/" \
--match="*.3ds" \
--start=0 --end=1000 \
--save_path=/tmp/test
./blender.bin --background --addons io_curve_svg --python tests/python/batch_import.py -- \
--operator="bpy.ops.import_curve.svg" \
--path="/usr/" \
--match="*.svg" \
--start=0 --end=1000 \
--save_path=/tmp/test
"""
import os
import sys
def clear_scene():
import bpy
unique_obs = set()
for scene in bpy.data.scenes:
for obj in scene.objects[:]:
scene.objects.unlink(obj)
unique_obs.add(obj)
# remove obdata, for now only worry about the startup scene
for bpy_data_iter in (bpy.data.objects, bpy.data.meshes, bpy.data.lamps, bpy.data.cameras):
for id_data in bpy_data_iter:
bpy_data_iter.remove(id_data)
def batch_import(operator="",
path="",
save_path="",
match="",
start=0,
end=sys.maxsize,
):
import addon_utils
_reset_all = addon_utils.reset_all # XXX, hack
import fnmatch
path = os.path.normpath(path)
path = os.path.abspath(path)
match_upper = match.upper()
pattern_match = lambda a: fnmatch.fnmatchcase(a.upper(), match_upper)
def file_generator(path):
for dirpath, dirnames, filenames in os.walk(path):
# skip '.svn'
if dirpath.startswith("."):
continue
for filename in filenames:
if pattern_match(filename):
yield os.path.join(dirpath, filename)
print("Collecting %r files in %s" % (match, path), end="")
files = list(file_generator(path))
files_len = len(files)
end = min(end, len(files))
print(" found %d" % files_len, end="")
files.sort()
files = files[start:end]
if len(files) != files_len:
print(" using a subset in (%d, %d), total %d" % (start, end, len(files)), end="")
import bpy
op = eval(operator)
tot_done = 0
tot_fail = 0
for i, f in enumerate(files):
print(" %s(filepath=%r) # %d of %d" % (operator, f, i + start, len(files)))
# hack so loading the new file doesn't undo our loaded addons
addon_utils.reset_all = lambda: None # XXX, hack
bpy.ops.wm.read_factory_settings()
addon_utils.reset_all = _reset_all # XXX, hack
clear_scene()
result = op(filepath=f)
if 'FINISHED' in result:
tot_done += 1
else:
tot_fail += 1
if save_path:
fout = os.path.join(save_path, os.path.relpath(f, path))
fout_blend = os.path.splitext(fout)[0] + ".blend"
print("\tSaving: %r" % fout_blend)
fout_dir = os.path.dirname(fout_blend)
os.makedirs(fout_dir, exist_ok=True)
bpy.ops.wm.save_as_mainfile(filepath=fout_blend)
print("finished, done:%d, fail:%d" % (tot_done, tot_fail))
def main():
import optparse
# get the args passed to blender after "--", all of which are ignored by blender specifically
# so python may receive its own arguments
argv = sys.argv
if "--" not in argv:
argv = [] # as if no args are passed
else:
argv = argv[argv.index("--") + 1:] # get all args after "--"
# When --help or no args are given, print this help
usage_text = "Run blender in background mode with this script:"
usage_text += " blender --background --python " + __file__ + " -- [options]"
parser = optparse.OptionParser(usage=usage_text)
# Example background utility, add some text and renders or saves it (with options)
# Possible types are: string, int, long, choice, float and complex.
parser.add_option("-o", "--operator", dest="operator", help="This text will be used to render an image", type="string")
parser.add_option("-p", "--path", dest="path", help="Path to use for searching for files", type='string')
parser.add_option("-m", "--match", dest="match", help="Wildcard to match filename", type="string")
parser.add_option("-s", "--save_path", dest="save_path", help="Save the input file to a blend file in a new location", metavar='string')
parser.add_option("-S", "--start", dest="start", help="From collected files, start with this index", metavar='int')
parser.add_option("-E", "--end", dest="end", help="From collected files, end with this index", metavar='int')
options, args = parser.parse_args(argv) # In this example we wont use the args
if not argv:
parser.print_help()
return
if not options.operator:
print("Error: --operator=\"some string\" argument not given, aborting.")
parser.print_help()
return
if options.start is None:
options.start = 0
if options.end is None:
options.end = sys.maxsize
# Run the example function
batch_import(operator=options.operator,
path=options.path,
save_path=options.save_path,
match=options.match,
start=int(options.start),
end=int(options.end),
)
print("batch job finished, exiting")
if __name__ == "__main__":
main()
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