Richard Burton | dc0c6ed | 2020-04-08 16:39:05 +0100 | [diff] [blame^] | 1 | # Copyright © 2020 Arm Ltd. All rights reserved. |
| 2 | # SPDX-License-Identifier: MIT |
| 3 | """ |
| 4 | This script executes SWIG commands to generate armnn and armnn version wrappers. |
| 5 | This script cannot be moved to ./script dir because it uses find_armnn function from setup.py script. |
| 6 | Both scripts must be in the same folder. |
| 7 | """ |
| 8 | import os |
| 9 | import re |
| 10 | import subprocess |
| 11 | from pathlib import Path |
| 12 | |
| 13 | from setup import find_includes |
| 14 | |
| 15 | __current_dir = Path(__file__).parent.absolute() |
| 16 | |
| 17 | |
| 18 | def check_swig_versoin(version: str): |
| 19 | proc = subprocess.Popen(["swig -version"], |
| 20 | stdout=subprocess.PIPE, shell=True) |
| 21 | result = proc.communicate()[0].decode("utf-8") |
| 22 | |
| 23 | pattern = re.compile(r"(?<=Version ).+(?=$)", re.MULTILINE) |
| 24 | match = pattern.search(result) |
| 25 | |
| 26 | if match: |
| 27 | version_string = match.group(0).strip() |
| 28 | print(f"Swig version = {version_string}") |
| 29 | return version_string.startswith(version) |
| 30 | else: |
| 31 | print(f"Failed to find version string in 'swig -version':\n {result}") |
| 32 | return False |
| 33 | |
| 34 | |
| 35 | def generate_wrap(name, extr_includes): |
| 36 | print(f'\nGenerating wrappers for {name}\n') |
| 37 | |
| 38 | code = os.system(f"swig -v -c++ -python" |
| 39 | f" -Wall" |
| 40 | f" -o {__current_dir}/src/pyarmnn/_generated/{name}_wrap.cpp " |
| 41 | f"-outdir {__current_dir}/src/pyarmnn/_generated " |
| 42 | f"{extr_includes} " |
| 43 | f"-I{__current_dir}/src/pyarmnn/swig " |
| 44 | f"{__current_dir}/src/pyarmnn/swig/{name}.i") |
| 45 | |
| 46 | if code != 0: |
| 47 | raise RuntimeError(f"Failed to generate {name} ext.") |
| 48 | |
| 49 | |
| 50 | if __name__ == "__main__": |
| 51 | if not check_swig_versoin('4.'): |
| 52 | raise RuntimeError("Wrong swig version was found. Expected SWIG version is 4.x.x") |
| 53 | |
| 54 | armnn_includes = find_includes() |
| 55 | |
| 56 | generate_wrap('armnn_version', f"-I{'-I'.join(armnn_includes)} ") |
| 57 | generate_wrap('armnn', f"-I{'-I'.join(armnn_includes)} ") |
| 58 | |
| 59 | generate_wrap('armnn_caffeparser', f"-I{'-I'.join(armnn_includes)} ") |
| 60 | generate_wrap('armnn_onnxparser', f"-I{'-I'.join(armnn_includes)} ") |
| 61 | generate_wrap('armnn_tfparser', f"-I{'-I'.join(armnn_includes)} ") |
| 62 | generate_wrap('armnn_tfliteparser', f"-I{'-I'.join(armnn_includes)} ") |
| 63 | |
| 64 | |