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Aspose.PDF  for Python

在Python SDK中删除PDF中的链接

使用Cloud Python SDK。

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如何通过Cloud Python SDK从PDF中删除链接

要删除PDF中的链接,我们将使用 Aspose.PDF Cloud Python SDK. 此Cloud SDK协助Python程序员通过Aspose.PDF REST API使用Python编程语言开发基于云的PDF创建、批注、编辑和转换应用程序。只需在Aspose for Cloud创建一个账户并获取应用程序信息。一旦您获得应用程序SID和密钥,即可以使用Aspose.PDF Cloud Python SDK。如果Python包托管在Github上,可以直接从Github安装:

从Github安装


     
    pip install git+https://github.com/aspose-pdf-cloud/aspose-pdf-cloud-python.git

包管理器控制台命令

     
    pip install asposepdfcloud

通过Python SDK删除PDF中的链接的步骤

Aspose.PDF Cloud开发人员可以轻松加载并删除PDF中的链接。

  1. 安装Python SDK
  2. 将PDF文档上传到Aspose Cloud服务器
  3. 从Aspose Cloud服务器下载处理后的PDF文档
  4. 获取特定PDF文档的所有超链接注解
  5. 删除所有链接
 

使用Python删除PDF中的链接


    import shutil
    import json
    import logging
    from pathlib import Path
    from asposepdfcloud import ApiClient, PdfApi, AsposeResponse

    # 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"
        PAGE_NUMBER = 2
        LINK_FIND_ID = "GI5UO32UN5KVESKBMN2GS33OHMZTEMJMGUYDQLBTGYYCYNJSGE"


    class PdfLinks:
        """Class for managing PDF links 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("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"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"File {Config.PDF_DOCUMENT_NAME} uploaded successfully.")
                except Exception as e:
                    logging.error(f"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 show_links_array(self, links, prefix):
            for item in links:
                logging.info(f"{prefix} Link ID: '{item.id}' - Link Action: '{item.action}'")

        def get_all_links(self):
            """Get all hyperlink annotations for a specific PDF document."""
            if self.pdf_api:
                try:
                    response = self.pdf_api.get_page_link_annotations( Config.PDF_DOCUMENT_NAME, Config.PAGE_NUMBER)
                    if response.code == 200:
                        self.show_links_array(response.links.list, "All: ")
                    else:
                        logging.error(f"Failed to add link to the page. Response code: {response.code}")
                except Exception as e:
                    logging.error(f"Error while adding link: No links found - {e}")

        def remove_link_by_id(self):
            if self.pdf_api:
                response: AsposeResponse = self.pdf_api.delete_link_annotation(Config.PDF_DOCUMENT_NAME, Config.LINK_FIND_ID)

                if response.code == 200:
                    logging.info("Link annotation with ID " + Config.LINK_FIND_ID + " has been removed.")
                else:
                    logging.erro("Failed to remove link annotation with ID " + Config.LINK_FIND_ID)

    if __name__ == "__main__":
        pdf_links = PdfLinks()
        pdf_links.upload_document()
        pdf_links.get_all_links()
        pdf_links.remove_link_by_id()
        pdf_links.download_result()
 

在PDF中处理链接

随着时间的推移,超链接可能变得过时或链接到不再存在的页面。此类无效的链接可能让读者感到沮丧并降低文档的可信度。删除这些链接以确保内容保持准确和可靠。 使用Aspose.PDF Cloud Python SDK从PDF文档中删除链接。

使用我们的Python库,您可以:

  • 合并PDF文档。
  • 拆分PDF文件。
  • 将PDF转换为其他格式,反之亦然。
  • 操作批注。
  • 处理PDF中的图像等。
  • 您可以尝试我们的免费应用在线测试功能。