mirror of
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65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
import xml.etree.ElementTree as ET
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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 XMLLoader(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_xml(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/xml, text/xml, text/plain",
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"User-Agent": "Mozilla/5.0 (compatible; crewai-tools XMLLoader)",
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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 response.text
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except Exception as e:
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raise ValueError(f"Error fetching XML from URL {url}: {e!s}") from e
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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_xml(self, content: str, source_ref: str) -> LoaderResult:
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try:
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if content.strip().startswith("<"):
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root = ET.fromstring(content) # noqa: S314
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else:
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root = ET.parse(source_ref).getroot() # noqa: S314
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text_parts = []
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for text_content in root.itertext():
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if text_content and text_content.strip():
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text_parts.append(text_content.strip()) # noqa: PERF401
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text = "\n".join(text_parts)
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metadata = {"format": "xml", "root_tag": root.tag}
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except ET.ParseError as e:
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text = content
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metadata = {"format": "xml", "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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