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# ----------------------------------------------------------------------------
# - Open3D: www.open3d.org -
# ----------------------------------------------------------------------------
# The MIT License (MIT)
#
# Copyright (c) 2018-2021 www.open3d.org
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
# ----------------------------------------------------------------------------
"""This script inspects the open3d_tf_ops library and generates function wrappers"""
import os
import sys
import inspect
import argparse
import textwrap
import tensorflow as tf
from yapf.yapflib.yapf_api import FormatFile
INDENT_SPACES = ' '
FN_TEMPLATE_STR = '''
def {fn_name_short}({fn_args}):
{docstring}
return {fn_name}({args_fwd})
'''
def main():
parser = argparse.ArgumentParser(description="Creates the ops.py file")
parser.add_argument("--input",
type=str,
required=True,
help="input file with header")
parser.add_argument("--output", type=str, required=True, help="output file")
parser.add_argument("--lib",
type=str,
required=True,
help="path to open3d_tf_ops.so")
args = parser.parse_args()
print(args)
oplib = tf.load_op_library(args.lib)
generated_function_strs = ''
for fn_name, value in inspect.getmembers(oplib):
if not inspect.isfunction(value) or not fn_name.startswith(
'open3d_') or fn_name.endswith('_eager_fallback'):
continue
docstring = getattr(oplib, fn_name).__doc__
docstring = '"""' + docstring + '\n"""'
docstring = textwrap.indent(docstring, INDENT_SPACES)
signature = inspect.signature(value)
fn_args = []
args_fwd = []
for _, param in signature.parameters.items():
tmp = param.name
if param.default != inspect.Parameter.empty:
if isinstance(param.default, str):
tmp += '="{}"'.format(str(param.default))
elif isinstance(param.default, type(tf.float32)):
tmp += '=_tf.{}'.format(param.default.name)
else:
tmp += '={}'.format(str(param.default))
fn_args.append(tmp)
args_fwd.append('{arg}={arg}'.format(arg=param.name))
fn_args = ', '.join(fn_args)
args_fwd = ', '.join(args_fwd)
generated_function_strs += FN_TEMPLATE_STR.format(
fn_name_short=fn_name[7:],
fn_name='_lib.' + fn_name,
fn_args=fn_args,
docstring=docstring,
args_fwd=args_fwd)
with open(args.input, 'r') as f:
input_header = f.read()
os.makedirs(os.path.dirname(args.output), exist_ok=True)
with open(args.output, 'w') as f:
f.write(input_header + generated_function_strs)
FormatFile(args.output, in_place=True)
return 0
if __name__ == '__main__':
sys.exit(main())
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