Method increase_depth

python/pyfory/context.py:552–562

(self, diff=1)

        return self.context_objects.get(id(key), default)

    def increase_depth(self, diff=1):
        # Depth accounting is paired on the successful path only.
        # If a nested read raises, the top-level deserialize/reset path clears
        # `depth`, so nested readers must not add local try/finally wrappers
        # around increase/decrease pairs.
        self.depth += diff
        if self.depth > self.max_depth:
            raise Exception(
                f"Read depth exceed max depth: {self.depth}, the deserialization data may be malicious. If it's not malicious, "
                "please increase max read depth by Fory(..., max_depth=...)"
            )

    def decrease_depth(self, diff=1):
        # Only call this after the matching nested read completed successfully.