Backup old. Preparation for forking

librarian_functions.py

@@ -1,28 +0,0 @@
-# pdf_render.py
-import io
-
-try:
-    import fitz  # PyMuPDF
-    _HAS_PYMUPDF = True
-except Exception:
-    _HAS_PYMUPDF = False
-    from pdf2image import convert_from_path
-
-def pdf_page_to_image_bytes(path: str, page_index: int = 0, zoom: float = 2.0, fmt: str = "PNG") -> bytes:
-    """
-    Zwraca bytes obrazka z jednej strony PDF:
-      - PyMuPDF (szybki) jeśli dostępny,
-      - inaczej pdf2image + poppler (wymaga 'pdftoppm').
-    page_index: 0-based
-    """
-    if _HAS_PYMUPDF:
-        doc = fitz.open(path)
-        page = doc.load_page(page_index)
-        mat = fitz.Matrix(zoom, zoom)
-        pix = page.get_pixmap(matrix=mat, alpha=False)
-        return pix.tobytes(fmt.lower())
-    # fallback
-    images = convert_from_path(path, first_page=page_index+1, last_page=page_index+1, fmt=fmt)
-    bio = io.BytesIO()
-    images[0].save(bio, fmt)
-    return bio.getvalue()