26 lines
779 B
Python
26 lines
779 B
Python
from pypdf import PdfReader
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def parse_pdf(file_path: str) -> str:
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"""Parse a PDF file and return its text content.
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Text is collected from each page and concatenated with newlines between pages.
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Empty PDFs or corrupted files raise ValueError.
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"""
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try:
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reader = PdfReader(file_path)
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except Exception as exc:
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raise ValueError(f"Invalid PDF file: {exc}") from exc
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texts = []
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try:
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for page in reader.pages:
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text = page.extract_text()
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if text:
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# Normalize line endings and trim unrelated whitespace
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texts.append(text.strip())
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except Exception as exc:
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raise ValueError(f"Failed to extract text from PDF: {exc}") from exc
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return "\n".join(texts).strip()
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