airflow_scheduler/.venv/Lib/site-packages/airflow/serialization/helpers.py

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# to you under the Apache License, Version 2.0 (the
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# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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"""Serialized DAG and BaseOperator."""

from __future__ import annotations

from typing import Any

from airflow.configuration import conf
from airflow.settings import json
from airflow.utils.log.secrets_masker import redact


def serialize_template_field(template_field: Any, name: str) -> str | dict | list | int | float:
    """
    Return a serializable representation of the templated field.

    If ``templated_field`` contains a class or instance that requires recursive
    templating, store them as strings. Otherwise simply return the field as-is.
    """

    def is_jsonable(x):
        try:
            json.dumps(x)
        except (TypeError, OverflowError):
            return False
        else:
            return True

    max_length = conf.getint("core", "max_templated_field_length")

    if not is_jsonable(template_field):
        serialized = str(template_field)
        if len(serialized) > max_length:
            rendered = redact(serialized, name)
            return (
                "Truncated. You can change this behaviour in [core]max_templated_field_length. "
                f"{rendered[:max_length - 79]!r}... "
            )
        return str(template_field)
    else:
        if not template_field:
            return template_field
        serialized = str(template_field)
        if len(serialized) > max_length:
            rendered = redact(serialized, name)
            return (
                "Truncated. You can change this behaviour in [core]max_templated_field_length. "
                f"{rendered[:max_length - 79]!r}... "
            )
        return template_field