py2so.py
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import os
import sys
import time
import shutil
import argparse
from distutils.core import setup
from distutils.extension import Extension
from Cython.Build import cythonize
from Cython.Distutils import build_ext
if sys.version_info[0] < 3:
raise Exception("This program requires at least python3.6")
parser = argparse.ArgumentParser(description='compile the .py to .so(Linux/Mac) or .pdy(Win)')
parser.add_argument('-i', '--input', help='the directory(file) path of your project', required=True)
parser.add_argument('-o', '--output', help='the directory path of compiled file')
parser.add_argument('-e', '--exclude', help='exclude file. eg: ignore/ignore.py,main.py,ignore')
args = parser.parse_args()
def get_exclude_paths(input_path):
exclude_paths = []
if args.exclude is not None and os.path.isdir(input_path):
paths = args.exclude.split(',')
for path in paths:
abs_path = path if os.path.isabs(path) else os.path.join(input_path, path)
if not os.path.exists(abs_path):
print('Warning: exclude path not exists: {0}'.format(abs_path))
continue
exclude_paths.append(abs_path)
return set(exclude_paths)
def get_py_files(dir_path, exclude_paths):
for parent, _, filenames in os.walk(dir_path):
if parent in exclude_paths:
print('exclude path: {0}'.format(parent))
continue
for filename in filenames:
if not filename.endswith('.py'):
continue
file_path = os.path.join(parent, filename)
if file_path in exclude_paths:
print('exclude path: {0}'.format(file_path))
continue
yield file_path
def is_about_py(filename):
if filename.endswith('.py') or filename.endswith('.pyc') or filename.endswith('.pyo') or filename.endswith('.pyd'):
return True
return False
def copy_other_files(input_path, exclude_paths, output_path):
if not os.path.isdir(input_path):
return
for parent, _, filenames in os.walk(input_path):
if parent in exclude_paths:
relpath = os.path.relpath(parent, input_path)
target_dir = os.path.join(output_path, relpath)
shutil.copytree(parent, target_dir)
print('copy {0} to {1}'.format(parent, target_dir))
continue
for filename in filenames:
file_path = os.path.join(parent, filename)
if file_path in exclude_paths or not is_about_py(filename):
relpath = os.path.relpath(file_path, input_path)
target_path = os.path.join(output_path, relpath)
os.makedirs(os.path.dirname(target_path), exist_ok=True)
shutil.copy(file_path, target_path)
print('copy {0} to {1}'.format(file_path, target_path))
def del_c(dir_path, timestamp):
if not os.path.isdir(dir_path):
c_file_path = '{0}.c'.format(os.path.splitext(dir_path)[0])
os.remove(c_file_path)
print('remove c file path: {0}'.format(c_file_path))
return
for parent, _, filenames in os.walk(dir_path):
for filename in filenames:
file_path = os.path.join(parent, filename)
if filename.endswith('.c') and os.stat(file_path).st_mtime > timestamp:
os.remove(file_path)
print('remove c file path: {0}'.format(file_path))
def get_extensions(file_paths, input_path):
print('---------- python file summary ----------')
extensions = []
for file_path in file_paths:
if os.path.isfile(input_path):
relpath = os.path.basename(file_path)
else:
relpath = os.path.relpath(file_path, start=input_path)
name = os.path.splitext(relpath)[0].replace(os.path.sep, '.')
sources = [file_path]
print('python file path: {0} module name: {1}'.format(file_path, name))
extension = Extension(name, sources)
extension.cython_c_in_temp = True
extensions.append(extension)
return extensions
def main():
input_path = os.path.realpath(args.input)
if not os.path.exists(input_path):
print('input path not exists: {0}'.format(input_path))
return
timestamp = int(time.time())
build_dir_name = 'build_{0}'.format(timestamp)
tmp_dir_name = 'tmp_{0}'.format(timestamp)
if args.output is None:
output_path = os.path.join(os.path.dirname(input_path), build_dir_name)
else:
output_path = os.path.realpath(args.output)
tmp_path = os.path.join(output_path, tmp_dir_name)
os.makedirs(tmp_path, exist_ok=True)
exclude_paths = get_exclude_paths(input_path)
if os.path.isdir(input_path):
file_paths = get_py_files(input_path, exclude_paths)
else:
file_paths = [input_path]
print('---------- directory summary ----------')
print('input path: {0}'.format(input_path))
print('output path: {0}'.format(output_path))
print('output tmp path: {0}'.format(tmp_path))
print('exclude paths: {0}'.format(exclude_paths))
extensions = get_extensions(file_paths, input_path)
print('---------- compile start ----------')
success = False
try:
compiler_directives = {"language_level": '3'}
ext_modules = cythonize(module_list=extensions,
compiler_directives=compiler_directives)
setup(cmdclass={'build_ext': build_ext},
ext_modules=ext_modules, script_args=["build_ext", "-b", output_path, "-t", tmp_path])
except Extension as e:
print('---------- compile failed ----------')
print('compile error: {0}'.format(e))
else:
print('---------- compile completed ----------')
print('output path: {0}'.format(output_path))
success = True
finally:
print('---------- cleaning ----------')
if os.path.exists(tmp_path):
shutil.rmtree(tmp_path)
print('remove output tmp path: {0}'.format(tmp_path))
del_c(input_path, timestamp)
if success:
print('---------- copy !.py file to {0} ----------'.format(build_dir_name))
copy_other_files(input_path, exclude_paths, output_path)
if __name__ == '__main__':
main()