Usage example: >>> pdf_url = "https://example.com/kambi_kadha.pdf" >>> helper = KambiKadhaPDF(pdf_url) >>> helper.download() >>> text = helper.extract_page_text(79) >>> print(text[:500]) # preview first 500 chars >>> helper.save_page_as_pdf(79, "kambi_kadha_page79.pdf") """
class KambiKadhaPDF: def __init__(self, source, local_path=None): """ Parameters ---------- source : str Either a URL (starting with http:// or https://) or a local file path. local_path : str, optional Where to store the downloaded file. If omitted, the file will be saved in the current working directory using the name from the URL. """ self.source = source self.is_url = source.lower().startswith(("http://", "https://")) self.local_path = ( local_path if local_path else (os.path.basename(source) if not self.is_url else None) ) if self.is_url and not self.local_path: raise ValueError( "When downloading from a URL you must provide `local_path` " "or the URL must contain a file name." ) self._pdf_bytes = None # lazy‑loaded PDF data (bytes)
# ------------------------------------------------------------------ # # 1️⃣ Download (or load) the PDF # ------------------------------------------------------------------ # def download(self, chunk_size=1024): """Download the PDF from `self.source` (if it is a URL).""" if not self.is_url: raise RuntimeError("`download()` is only valid for URL sources.") Kambi Kadha Pdf File 79
if txt_path: os.makedirs(os.path.dirname(txt_path) or ".", exist_ok=True) with open(txt_path, "w", encoding="utf-8") as f: f.write(text) print(f"📝 Text saved to txt_path")
Returns ------- str Plain‑text extracted from that page. """ if page_number < 1: raise ValueError("page_number must be >= 1 (PDF pages start at 1)") Usage example: >>> pdf_url = "https://example
# ------------------------------------------------------------------ # # 3️⃣ Extract plain‑text from a specific page # ------------------------------------------------------------------ # def extract_page_text(self, page_number: int) -> str: """ Return the text of the given page (1‑based indexing).
# ------------------------------------------------------------------ # # 4️⃣ Save a single page as its own PDF file # ------------------------------------------------------------------ # def save_page_as_pdf(self, page_number: int, out_path: str): """ Extract a single page and write it to a new PDF file. """ self
self._ensure_pdf_bytes() reader = PdfReader(io.BytesIO(self._pdf_bytes))