在 Python SDK 中创建 PDF

    import shutil
    import json
    import logging
    import pathlib
    import math
    from asposepdfcloud import ApiClient, PdfApi, Direction, PageMode, PageLayout, DocumentConfig, DocumentProperties, DocumentProperty, DisplayProperties, DefaultPageConfig

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

    class Config:
        """Configuration parameters."""
        CREDENTIALS_FILE = pathlib.Path(r"C:\\Projects\\ASPOSE\\Pdf.Cloud\\Credentials\\credentials.json")
        LOCAL_FOLDER = pathlib.Path(r"C:\Samples")
        TEMP_FOLDER = 'TempPdfCloud'
        LOCAL_RESULT_DOCUMENT_NAME = "output_sample.pdf"
        PAGE_WIDTH = 590
        PAGE_HEIGHT = 894
        PAGES_COUNT = 5

    class PdfPageChanges:
        """ Class for managing PDF page changes using Aspose PDF Cloud API. """
        def __init__(self, credentials_file: pathlib.Path = Config.CREDENTIALS_FILE):
            self.pdf_api = None
            self._init_api(credentials_file)

        def _init_api(self, credentials_file: pathlib.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 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.TEMP_FOLDER + '/' + Config.LOCAL_RESULT_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 create_document(self):
            """ Create PDF document with required properties. """
            opts = {
                "folder" : Config.TEMP_FOLDER
            }

            document_config = DocumentConfig(
                document_properties=DocumentProperties(
                    list=[
                        DocumentProperty(
                            built_in=False,
                            name='prop1',
                            value='Val1',
                        )
                    ]),
                display_properties=DisplayProperties(
                    center_window = True,
                    hide_menu_bar = True,
                    direction = Direction.L2R,
                    display_doc_title = True,
                    hide_tool_bar = True,
                    hide_window_ui = True,
                    non_full_screen_page_mode = PageMode.USETHUMBS,
                    page_layout = PageLayout.TWOPAGELEFT,
                    page_mode = PageMode.USETHUMBS
                ),
                default_page_config=DefaultPageConfig(
                    height=Config.PAGE_HEIGHT,
                    width=Config.PAGE_WIDTH
                ),
                pages_count=Config.PAGES_COUNT
            )
            response = self.pdf_api.post_create_document(Config.LOCAL_RESULT_DOCUMENT_NAME, document_config, **opts)
            logging.info(f"Document #{Config.LOCAL_RESULT_DOCUMENT_NAME} created.")
            return response

    if __name__ == "__main__":
        pdf_pages = PdfPageChanges()
        pdf_pages.create_document()
        pdf_pages.download_result()