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# Source code for langchain_community.utilities.nasa

    """Util that calls several NASA APIs."""
    import json

    import requests
    from langchain_core.pydantic_v1 import BaseModel

    IMAGE_AND_VIDEO_LIBRARY_URL = "https://images-api.nasa.gov"

    class NasaAPIWrapper(BaseModel):
        """Wrapper for NASA API."""

        def get_media(self, query: str) -> str:
            params = json.loads(query)
            if params.get("q"):
                queryText = params["q"]
                params.pop("q")
            else:
                queryText = ""
            response = requests.get(
                IMAGE_AND_VIDEO_LIBRARY_URL + "/search?q=" + queryText, params=params
            )
            data = response.json()
            return data

        def get_media_metadata_manifest(self, query: str) -> str:
            response = requests.get(IMAGE_AND_VIDEO_LIBRARY_URL + "/asset/" + query)
            return response.json()

        def get_media_metadata_location(self, query: str) -> str:
            response = requests.get(IMAGE_AND_VIDEO_LIBRARY_URL + "/metadata/" + query)
            return response.json()

        def get_video_captions_location(self, query: str) -> str:
            response = requests.get(IMAGE_AND_VIDEO_LIBRARY_URL + "/captions/" + query)
            return response.json()

        def run(self, mode: str, query: str) -> str:
            if mode == "search_media":
                output = self.get_media(query)
            elif mode == "get_media_metadata_manifest":
                output = self.get_media_metadata_manifest(query)
            elif mode == "get_media_metadata_location":
                output = self.get_media_metadata_location(query)
            elif mode == "get_video_captions_location":
                output = self.get_video_captions_location(query)
            else:
                output = f"ModeError: Got unexpected mode {mode}."

            try:
                return json.dumps(output)
            except Exception:
                return str(output)