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blender-asset-manager/bam/blend/blendfile_copy.py

115 lines
3.6 KiB
Python

#!/usr/bin/env python3
# ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ***** END GPL LICENCE BLOCK *****
"""
A simply utility to copy blend files and their deps to a new location.
Similar to packing, but don't attempt any path remapping.
"""
from bam.blend import blendfile_path_walker
TIMEIT = False
# ------------------
# Ensure module path
import os
import sys
path = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "modules"))
if path not in sys.path:
sys.path.append(path)
del os, sys, path
# --------
def copy_paths(
paths,
output,
base,
# load every libs dep, not just used deps.
all_deps=False,
# yield reports
report=None,
# Filename filter, allow to exclude files from the pack,
# function takes a string returns True if the files should be included.
filename_filter=None,
):
import os
import shutil
from bam.utils.system import colorize, is_subdir
path_copy_files = set(paths)
# Avoid walking over same libs many times
lib_visit = {}
yield report("Reading %d blend file(s)\n" % len(paths))
for blendfile_src in paths:
yield report(" %s: %r\n" % (colorize("blend", color='blue'), blendfile_src))
for fp, (rootdir, fp_blend_basename) in blendfile_path_walker.FilePath.visit_from_blend(
blendfile_src,
readonly=True,
recursive=True,
recursive_all=all_deps,
lib_visit=lib_visit,
):
f_abs = os.path.normpath(fp.filepath_absolute)
path_copy_files.add(f_abs)
# Source -> Dest Map
path_src_dst_map = {}
for path_src in sorted(path_copy_files):
if filename_filter and not filename_filter(path_src):
yield report(" %s: %r\n" % (colorize("exclude", color='yellow'), path_src))
continue
if not os.path.exists(path_src):
yield report(" %s: %r\n" % (colorize("missing path", color='red'), path_src))
continue
if not is_subdir(path_src, base):
yield report(" %s: %r\n" % (colorize("external path ignored", color='red'), path_src))
continue
path_rel = os.path.relpath(path_src, base)
path_dst = os.path.join(output, path_rel)
path_src_dst_map[path_src] = path_dst
# Create directories
path_dst_dir = {os.path.dirname(path_dst) for path_dst in path_src_dst_map.values()}
yield report("Creating %d directories in %r\n" % (len(path_dst_dir), output))
for path_dir in sorted(path_dst_dir):
os.makedirs(path_dir, exist_ok=True)
del path_dst_dir
# Copy files
yield report("Copying %d files to %r\n" % (len(path_src_dst_map), output))
for path_src, path_dst in sorted(path_src_dst_map.items()):
yield report(" %s: %r -> %r\n" % (colorize("copying", color='blue'), path_src, path_dst))
shutil.copy(path_src, path_dst)