INNER CODE UNIT · Python

diff_list

fa0311/TwitterInternalAPIDocument · lib/diff.py:1

def diff_list(new_data, old_data, key_func):
    output = {
        "add": [],
        "remove": [],
    }
    for new in new_data:
        for old in old_data:
            if key_func(new) == key_func(old):
                break
        else:
            output["add"].append(key_func(new))
    for old in old_data:
        for new in new_data:
            if key_func(new) == key_func(old):
                break
        else:
            output["remove"].append(key_func(old))
    return output

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