Method search

lib/matplotlib/dviread.py:1267–1273

(self, filename)

                 **os.environ})

    def search(self, filename):
        if self._proc.poll() is not None:  # Dead, restart it.
            self._proc = self._new_proc()
        self._proc.stdin.write(os.fsencode(filename) + b"\n")
        self._proc.stdin.flush()
        out = self._proc.stdout.readline().rstrip()
        return None if out == b"nil" else os.fsdecode(out)


@lru_cache