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#!/usr/bin/env python3
import sys
import os
import argparse
import importlib.util
def get_processor():
# Convoluted because we can't import from numpy.distutils
# (numpy is not yet built)
conv_template_path = os.path.join(
os.path.dirname(__file__),
'..', 'distutils', 'conv_template.py'
)
spec = importlib.util.spec_from_file_location(
'conv_template', conv_template_path
)
mod = importlib.util.module_from_spec(spec)
spec.loader.exec_module(mod)
return mod.process_file
def process_and_write_file(fromfile, outfile):
"""Process tempita templated file and write out the result.
The template file is expected to end in `.src`
(e.g., `.c.src` or `.h.src`).
Processing `npy_somefile.c.src` generates `npy_somefile.c`.
"""
process_file = get_processor()
content = process_file(fromfile)
with open(outfile, 'w') as f:
f.write(content)
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
"infile",
type=str,
help="Path to the input file"
)
parser.add_argument(
"-o",
"--outfile",
type=str,
help="Path to the output file"
)
parser.add_argument(
"-i",
"--ignore",
type=str,
help="An ignored input - may be useful to add a "
"dependency between custom targets",
)
args = parser.parse_args()
if not args.infile.endswith('.src'):
raise ValueError(f"Unexpected extension: {args.infile}")
outfile_abs = os.path.join(os.getcwd(), args.outfile)
process_and_write_file(args.infile, outfile_abs)
if __name__ == "__main__":
main()
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