def mark_file_as_read(self, path):
        if self.cache_file_tracker_keys > self.cache_file_tracker_max_keys:
            # We've passed our max key count, prune the oldest entry.
            self.cache_file_tracker.popitem(last=False)
        else:
            # Still growing, keep the count updated.
            self.cache_file_tracker_keys += 1

        self.cache_file_tracker[path] = time.time()
Clear any cached information about the state of this path on disk.
dataset/ETHPy150Open gtaylor/EVE-Market-Data-Uploader/emdu/cache_watcher/crude_watcher.py/CrudeCacheWatcher.mark_file_as_read--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/filepath.py/FilePath.changed