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import sys
import os
import errno
from os import listdir
from os.path import dirname, relpath, join
def ensure_dir_exists(path):
try:
os.makedirs(path)
except OSError as e:
if e.errno == errno.EEXIST and os.path.isdir(path):
pass
else:
raise
def make_dir(directory):
if not os.path.exists(directory):
os.makedirs(directory)
def files(directory):
for dirpath, dirnames, filenames in os.walk(directory):
for name in filenames:
yield relpath(join(dirpath, name), directory)
def headers_set(directory):
return {
f for f in files(directory)
if f.endswith('.h') and not f.startswith('internal/')
}
if __name__ == "__main__":
python2_path = sys.argv[1]
python3_path = sys.argv[2]
output_path = sys.argv[3]
ensure_dir_exists(join('.', python2_path))
ensure_dir_exists(join('.', python3_path))
only_headers2 = headers_set(python2_path)
only_headers3 = headers_set(python3_path)
all_headers = only_headers2 | only_headers3
for header in all_headers:
path = join(output_path, header)
make_dir(dirname(path))
f = open(path, 'w')
f.write('#pragma once\n\n')
f.write('#ifdef USE_PYTHON3\n')
if (header in only_headers3):
f.write('#include <' + join(python3_path, header) + '>\n')
else:
f.write('#error "No <' + header + '> in Python3"\n')
f.write('#else\n')
if (header in only_headers2):
f.write('#include <' + join(python2_path, header) + '>\n')
else:
f.write('#error "No <' + header + '> in Python2"\n')
f.write('#endif\n')
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