Ajouter du texte au pied de page du PDF dans le SDK Python

    import shutil
    import json
    import logging
    from pathlib import Path
    from asposepdfcloud import ApiClient, PdfApi, TextFooter, HorizontalAlignment, TextHorizontalAlignment

    # Configure logging
    logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")

    class Config:
        """Configuration parameters."""
        CREDENTIALS_FILE = Path(r"C:\\Projects\\ASPOSE\\Pdf.Cloud\\Credentials\\credentials.json")
        LOCAL_FOLDER = Path(r"C:\Samples")
        PDF_DOCUMENT_NAME = "sample.pdf"
        LOCAL_RESULT_DOCUMENT_NAME = "output_sample.pdf"
        FOOTER_VALUE = "New Footer Value"
        PAGE_NUMBER = 2
        

    class pdfHederFooter:
        """Class for managing PDF headers and footers using Aspose PDF Cloud API."""
        def __init__(self, credentials_file: Path = Config.CREDENTIALS_FILE):
            self.pdf_api = None
            self._init_api(credentials_file)

        def _init_api(self, credentials_file: Path):
            """Initialize the API client."""
            try:
                with credentials_file.open("r", encoding="utf-8") as file:
                    credentials = json.load(file)
                    api_key, app_id = credentials.get("key"), credentials.get("id")
                    if not api_key or not app_id:
                        raise ValueError("init_api(): Error: Missing API keys in the credentials file.")
                    self.pdf_api = PdfApi(ApiClient(api_key, app_id))
            except (FileNotFoundError, json.JSONDecodeError, ValueError) as e:
                logging.error(f"init_api(): Failed to load credentials: {e}")

        def upload_document(self):
            """ Upload a PDF document to the Aspose Cloud server. """
            if self.pdf_api:
                file_path = Config.LOCAL_FOLDER / Config.PDF_DOCUMENT_NAME
                try:
                    self.pdf_api.upload_file(Config.PDF_DOCUMENT_NAME, str(file_path))
                    logging.info(f"upload_document(): File {Config.PDF_DOCUMENT_NAME} uploaded successfully.")
                except Exception as e:
                    logging.error(f"upload_document(): Failed to upload file: {e}")

        def download_result(self):
            """ Download the processed PDF document from the Aspose Cloud server. """
            if self.pdf_api:
                try:
                    temp_file = self.pdf_api.download_file(Config.PDF_DOCUMENT_NAME)
                    local_path = Config.LOCAL_FOLDER / Config.LOCAL_RESULT_DOCUMENT_NAME
                    shutil.move(temp_file, str(local_path))
                    logging.info(f"download_result(): File successfully downloaded: {local_path}")
                except Exception as e:
                    logging.error(f"download_result(): Failed to download file: {e}")

        def append_text_footer(self):
            """Append a new text footer to the PDF document."""
            if self.pdf_api:
                new_footer = TextFooter(
                    background = True,
                    horizontal_alignment = HorizontalAlignment.CENTER,
                    text_alignment = TextHorizontalAlignment.CENTER,
                    value = Config.FOOTER_VALUE
                )

                try:
                    response = self.pdf_api.post_document_text_footer(
                        Config.PDF_DOCUMENT_NAME, new_footer
                    )
                    if response.code == 200:
                        logging.info(f"append_text_footer(): Footer '{new_footer.value}' added to the document '{Config.PDF_DOCUMENT_NAME}'.")
                    else:
                        logging.error(f"append_text_footer(): Failed to add footer '{new_footer.value}' to the document '{Config.PDF_DOCUMENT_NAME}'. Response code: {response.code}")
                except Exception as e:
                    logging.error(f"append_text_footer(): Error while adding footer: {e}")

        def append_text_footer(self):
            """Append a new text footer to the PDF document."""
            if self.pdf_api:
                new_footer = TextFooter(
                    background = True,
                    horizontal_alignment = HorizontalAlignment.CENTER,
                    text_alignment = TextHorizontalAlignment.CENTER,
                    value = Config.FOOTER_VALUE
                )

                try:
                    response = self.pdf_api.post_document_text_footer(
                        Config.PDF_DOCUMENT_NAME, new_footer
                    )
                    if response.code == 200:
                        logging.info(f"append_text_footer(): Footer '{new_footer.value}' added to the document '{Config.PDF_DOCUMENT_NAME}'.")
                    else:
                        logging.error(f"append_text_footer(): Failed to add footer '{new_footer.value}' to the document '{Config.PDF_DOCUMENT_NAME}'. Response code: {response.code}")
                except Exception as e:
                    logging.error(f"append_text_footer(): Error while adding footer: {e}")

        def append_text_footer_page(self):
            """Append a new text footer to the page on PDF document."""
            if self.pdf_api:
                new_footer = TextFooter(
                    background = True,
                    horizontal_alignment = HorizontalAlignment.RIGHT,
                    text_alignment = TextHorizontalAlignment.CENTER,
                    value = Config.FOOTER_VALUE
                )

                try:
                    response = self.pdf_api.post_document_text_footer(
                        Config.PDF_DOCUMENT_NAME, new_footer, start_page_number=Config.PAGE_NUMBER, end_page_number=Config.PAGE_NUMBER
                    )
                    if response.code == 200:
                        logging.info(f"append_text_footer_page(): Footer '{new_footer.value}' added to the page #{Config.PAGE_NUMBER}.")
                    else:
                        logging.error(f"append_text_footer_page(): Failed to add footer '{new_footer.value}' to the document #{Config.PAGE_NUMBER}. Response code: {response.code}")
                except Exception as e:
                    logging.error(f"append_text_footer_page(): Error while adding footer: {e}")

    if __name__ == "__main__":
        pdf_header_footer = pdfHederFooter()
        pdf_header_footer.upload_document()
        pdf_header_footer.append_text_footer()
        pdf_header_footer.append_text_footer_page()
        pdf_header_footer.download_result()