mirror of
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79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
import json
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from crewai_tools.rag.base_loader import BaseLoader, LoaderResult
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from crewai_tools.rag.source_content import SourceContent
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class JSONLoader(BaseLoader):
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def load(self, source_content: SourceContent, **kwargs) -> LoaderResult:
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source_ref = source_content.source_ref
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content = source_content.source
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if source_content.is_url():
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content = self._load_from_url(source_ref, kwargs)
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elif source_content.path_exists():
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content = self._load_from_file(source_ref)
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return self._parse_json(content, source_ref)
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def _load_from_url(self, url: str, kwargs: dict) -> str:
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import requests
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headers = kwargs.get(
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"headers",
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{
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"Accept": "application/json",
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"User-Agent": "Mozilla/5.0 (compatible; crewai-tools JSONLoader)",
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},
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)
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try:
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response = requests.get(url, headers=headers, timeout=30)
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response.raise_for_status()
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return (
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response.text
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if not self._is_json_response(response)
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else json.dumps(response.json(), indent=2)
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)
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except Exception as e:
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raise ValueError(f"Error fetching JSON from URL {url}: {e!s}") from e
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def _is_json_response(self, response) -> bool:
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try:
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response.json()
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return True
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except ValueError:
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return False
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def _load_from_file(self, path: str) -> str:
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with open(path, "r", encoding="utf-8") as file:
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return file.read()
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def _parse_json(self, content: str, source_ref: str) -> LoaderResult:
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try:
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data = json.loads(content)
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if isinstance(data, dict):
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text = "\n".join(
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f"{k}: {json.dumps(v, indent=0)}" for k, v in data.items()
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)
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elif isinstance(data, list):
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text = "\n".join(json.dumps(item, indent=0) for item in data)
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else:
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text = json.dumps(data, indent=0)
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metadata = {
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"format": "json",
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"type": type(data).__name__,
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"size": len(data) if isinstance(data, (list, dict)) else 1,
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}
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except json.JSONDecodeError as e:
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text = content
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metadata = {"format": "json", "parse_error": str(e)}
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return LoaderResult(
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content=text,
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source=source_ref,
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metadata=metadata,
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doc_id=self.generate_doc_id(source_ref=source_ref, content=text),
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)
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