image-match/python/py/Lib/site-packages/transformers/models/colqwen2/configuration_colqwen2.py

# Copyright 2025 The HuggingFace Inc. team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


from huggingface_hub.dataclasses import strict

from ...configuration_utils import PreTrainedConfig
from ...utils import auto_docstring, logging
from ..auto import CONFIG_MAPPING


logger = logging.get_logger(__name__)


@auto_docstring(checkpoint="vidore/colqwen2-v1.0-hf")
@strict
class ColQwen2Config(PreTrainedConfig):
    r"""
    Example:

    ```python
    from transformers.models.colqwen2 import ColQwen2Config, ColQwen2ForRetrieval

    config = ColQwen2Config()
    model = ColQwen2ForRetrieval(config)
    ```
    """

    model_type = "colqwen2"
    sub_configs = {"vlm_config": PreTrainedConfig}

    vlm_config: dict | PreTrainedConfig | None = None
    embedding_dim: int = 128
    initializer_range: float = 0.02

    def __post_init__(self, **kwargs):
        if self.vlm_config is None:
            self.vlm_config = CONFIG_MAPPING["qwen2_vl"]()
            logger.info(
                "`vlm_config` is `None`. Initializing `vlm_config` with the `Qwen2VLConfig` with default values."
            )
        elif isinstance(self.vlm_config, dict):
            self.vlm_config = CONFIG_MAPPING[self.vlm_config["model_type"]](**self.vlm_config)

        if not hasattr(self.vlm_config, "vocab_size"):
            self.vlm_config.vocab_size = self.vlm_config.get_text_config().vocab_size

        super().__post_init__(**kwargs)

    def get_text_config(self, *args, **kwargs) -> PreTrainedConfig:
        return self.vlm_config.get_text_config(*args, **kwargs)


__all__ = ["ColQwen2Config"]