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44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
"""Loader that loads powerpoint files."""
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import os
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from typing import List
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from langchain.document_loaders.unstructured import UnstructuredFileLoader
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class UnstructuredPowerPointLoader(UnstructuredFileLoader):
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"""Loader that uses unstructured to load powerpoint files."""
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def _get_elements(self) -> List:
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from unstructured.__version__ import __version__ as __unstructured_version__
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from unstructured.file_utils.filetype import FileType, detect_filetype
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unstructured_version = tuple(
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[int(x) for x in __unstructured_version__.split(".")]
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)
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# NOTE(MthwRobinson) - magic will raise an import error if the libmagic
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# system dependency isn't installed. If it's not installed, we'll just
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# check the file extension
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try:
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import magic # noqa: F401
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is_ppt = detect_filetype(self.file_path) == FileType.PPT
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except ImportError:
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_, extension = os.path.splitext(self.file_path)
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is_ppt = extension == ".ppt"
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if is_ppt and unstructured_version < (0, 4, 11):
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raise ValueError(
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f"You are on unstructured version {__unstructured_version__}. "
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"Partitioning .ppt files is only supported in unstructured>=0.4.11. "
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"Please upgrade the unstructured package and try again."
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)
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if is_ppt:
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from unstructured.partition.ppt import partition_ppt
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return partition_ppt(filename=self.file_path)
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else:
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from unstructured.partition.pptx import partition_pptx
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return partition_pptx(filename=self.file_path)
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