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merge_plugins.py
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merge_plugins.py
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#!/usr/bin/env python
#
# Copyright 2019 DreamWorks Animation L.L.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from __future__ import print_function
import argparse
import distutils.spawn
import os
import shutil
import subprocess
AVAILABLE_PLUGINS = {
"nuke": {
"about": "Plugins for Nuke10+",
"files": [
"third_party/nuke",
"cmake",
"CMakeLists.txt",
"build_scripts",
]
},
"houdini_hydra": {
"about": "Hydra extension for Pixar's Houdini plugin",
"files": [
"third_party/houdini",
]
},
"usdat": {
"about": "usdat (usda with templates) SdfFileFormat plugin",
"files": [
"pxr/usd/plugin/CMakeLists.txt",
"pxr/usd/plugin/usdat",
]
}
}
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
USD_DIR = None
HAS_MERGE = distutils.spawn.find_executable("merge") is not None
def make_parent_dirs(path):
"""Create all parent dirs for a path if they don't exists
Args:
path (str): File or directory to test for parent directories
"""
out_dir = os.path.dirname(path)
if not os.path.exists(out_dir):
os.makedirs(out_dir)
def merge_dir(dir_path):
"""Merge a single directory to the equivalent in the USD repo
Args:
dir_path (str): Relative path of directory to merge
"""
in_dir = os.path.join(THIS_DIR, dir_path)
out_dir = os.path.join(USD_DIR, dir_path)
if not os.path.exists(out_dir):
make_parent_dirs(out_dir)
print("Copying: {}".format(dir_path))
shutil.copytree(in_dir, out_dir)
return
for dir_item in os.listdir(in_dir):
item_path = os.path.join(THIS_DIR, dir_path, dir_item)
if os.path.isfile(item_path):
merge_file(os.path.join(dir_path, dir_item))
elif os.path.isdir(item_path):
merge_dir(os.path.join(dir_path, dir_item))
else:
raise RuntimeError("Don't know what to do with {}".format(dir_item))
def merge_file(file_path):
"""Merge a single file to the equivalent in the USD repo
Args:
file_path (str): Relative path of file to merge
"""
in_file = os.path.join(THIS_DIR, file_path)
out_file = os.path.join(USD_DIR, file_path)
if not os.path.exists(out_file) or not HAS_MERGE:
make_parent_dirs(out_file)
shutil.copyfile(in_file, out_file)
print("Copying: {}".format(file_path))
else:
merge_cmd = "merge {out_file} {out_file} {in_file}".format(
in_file=in_file,
out_file=out_file
)
print("Merging: {}".format(file_path))
result = subprocess.call(merge_cmd, shell=True)
if result:
print("Failed merge: {}".format(file_path))
def merge_plugin(plugin_name):
"""Merge a single USD plugin into the USD repo
Args:
plugin_name (str): Name of plugin to merge
"""
for relative_file in AVAILABLE_PLUGINS[plugin_name]["files"]:
orig_file = os.path.join(THIS_DIR, relative_file)
if not os.path.exists(orig_file):
raise RuntimeError("dwa_usd_plugins file {} does not exist".format(orig_file))
if os.path.isdir(orig_file):
merge_dir(relative_file)
elif os.path.isfile(orig_file):
merge_file(relative_file)
else:
raise RuntimeError("Unknown file situation {}".format(orig_file))
def validate_usd_dir(usd_dir):
"""Make sure the specified USD path is actually a USD repo
Args:
usd_dir (str):
Raises:
RuntimeError: If usd_dir is not a path to valid USD repo
"""
if not os.path.exists(usd_dir) or not os.path.isdir(usd_dir):
raise RuntimeError("{} is not a valid directory".format(usd_dir))
pxr_h = os.path.join(usd_dir, "pxr", "pxr.h.in")
if not os.path.exists(pxr_h):
raise RuntimeError("{} is not a valid USD repo".format(usd_dir))
global USD_DIR
USD_DIR = usd_dir
def run():
parser = argparse.ArgumentParser(
prog="merge_plugins.py",
description="Merge or copy the dwa_usd_plugins repo into "
"a standard USD repo",
)
parser.add_argument("usd_dir", help="Path to the USD repository")
for plugin_name, plugin_info in AVAILABLE_PLUGINS.items():
parser.add_argument(
"--{}".format(plugin_name),
action="store_true",
help=plugin_info["about"],
)
opts = vars(parser.parse_args())
validate_usd_dir(opts["usd_dir"])
for plugin_name in AVAILABLE_PLUGINS:
if opts[plugin_name]:
merge_plugin(plugin_name)
if __name__ == "__main__":
run()