"""
PyMuPDF loader implementation.
Reference: https://python.langchain.com/docs/integrations/document_loaders/pymupdf/
"""
import logging
from typing import List
from langchain_core.documents import Document
from .base import BasePDFLoader
logger = logging.getLogger(__name__)
[docs]
class PyMuPDFLoader(BasePDFLoader):
"""
PDF loader using PyMuPDF (fitz) backend.
Fast PDF parsing with support for text, images, and metadata extraction.
No API key required - works locally.
"""
[docs]
def load(self) -> List[Document]:
"""
Load PDF using PyMuPDF.
Returns:
List of LangChain Document objects
Raises:
ImportError: If langchain-community or pymupdf is not installed
"""
try:
from langchain_community.document_loaders import (
PyMuPDFLoader as LCPyMuPDFLoader,
)
loader = LCPyMuPDFLoader(str(self.file_path))
return loader.load()
except ImportError as e:
logger.error(f"Failed to import PyMuPDFLoader: {e}")
raise ImportError(
f"langchain-community and pymupdf are required for PyMuPDF loader. {self.get_install_command()}"
)
except Exception as e:
logger.error(f"Error loading PDF with PyMuPDF: {e}")
raise
[docs]
@staticmethod
def get_install_command() -> str:
"""
Return the command to install required dependencies.
Returns:
Installation command string
"""
return "pip install langchain-community pymupdf"