py

def get_corrected_filename(filename):
    # Use algorithm og https://github.com/stakiran/vscode-scb/blob/master/language-feature/src/util.ts#L29
    invalid_chars ='\\/:*?"<>|'
    noisy_chars =' '
    target_chars = invalid_chars + noisy_chars

    after_char = '_'

    ret = filename
    for target_char in target_chars:
        ret = ret.replace(target_char, after_char)
    return ret