core/scripts/supplemental_idl_files.py

#!/usr/bin/python
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"""This file returns a list of all the IDL files that contain a partial interface."""

import re
import sys

partial_interface_regex = re.compile(r'partial\s+interface\s+(\w+).+\]', re.M | re.S)

def DoMain(filenames):
    partial_files = set()
    for filename in filenames:
        with open(filename) as f:
            match = re.search(partial_interface_regex, f.read())
            if match:
                partial_files.add(filename)
    return '\n'.join(partial_files)