| #!/usr/bin/env python3 |
| |
| import argparse # argument parsing |
| import re |
| from shutil import copyfile |
| |
| parser = argparse.ArgumentParser( |
| description='Adds special nets from one file to another') |
| parser.add_argument('--source', required=True) |
| parser.add_argument('--destination', required=True) |
| args = parser.parse_args() |
| |
| source_file = args.source |
| destination_file = args.destination |
| |
| with open(source_file, 'r') as source, \ |
| open(destination_file, 'r+') as destination: |
| input_def = source.read() |
| pattern = r'^ *SPECIALNETS.*^ *END SPECIALNETS *\s' |
| special_nets_section = re.findall(pattern, input_def, re.M | re.DOTALL) |
| |
| output_def = destination.read() |
| output_def = re.sub("END DESIGN", "", output_def) |
| output_def = output_def + "\n" + special_nets_section[0] |
| destination.seek(0) |
| destination.write(output_def) |
| destination.truncate() |
