How to use the reprozip.reprozip.tracer.trace.TracedFile.WRITTEN function in reprozip

def write(self, run):
        if self.what is None:
            self.what = TracedFile.WRITTEN
        elif self.what == TracedFile.ONLY_READ:
            self.what = TracedFile.READ_THEN_WRITTEN

        if run is not None:
            if self.runs[run] is None:
                self.runs[run] = TracedFile.WRITTEN
            elif self.runs[run] == TracedFile.ONLY_READ:
                self.runs[run] = TracedFile.READ_THEN_WRITTEN

for fi in itervalues(files)
        if fi.what == TracedFile.READ_THEN_WRITTEN and
        not any(fi.path.lies_under(m) for m in magic_dirs)]
    if read_then_written_files:
        logger.warning(
            "Some files were read and then written. We will only pack the "
            "final version of the file; reproducible experiments shouldn't "
            "change their input files")
        logger.info("Paths:\n%s",
                    ", ".join(unicode_(fi.path)
                              for fi in read_then_written_files))

    files = set(
        fi
        for fi in itervalues(files)
        if fi.what != TracedFile.WRITTEN and not any(fi.path.lies_under(m)
                                                     for m in magic_dirs))
    return files, inputs, outputs

def write(self, run):
        if self.what is None:
            self.what = TracedFile.WRITTEN
        elif self.what == TracedFile.ONLY_READ:
            self.what = TracedFile.READ_THEN_WRITTEN

        if run is not None:
            if self.runs[run] is None:
                self.runs[run] = TracedFile.WRITTEN
            elif self.runs[run] == TracedFile.ONLY_READ:
                self.runs[run] = TracedFile.READ_THEN_WRITTEN

def write(self, run):
        if self.what is None:
            self.what = TracedFile.WRITTEN
        elif self.what == TracedFile.ONLY_READ:
            self.what = TracedFile.READ_THEN_WRITTEN

        if run is not None:
            if self.runs[run] is None:
                self.runs[run] = TracedFile.WRITTEN
            elif self.runs[run] == TracedFile.ONLY_READ:
                self.runs[run] = TracedFile.READ_THEN_WRITTEN