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Aspose.PDF for Python

Add Text Annotations to PDF documents via Python SDK

API for adding text annotations to PDF documents using Aspose.PDF Cloud Python SDK.

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Aspose.PDF Cloud SDK for Python Aspose.PDF Cloud SDK for Python

Overview

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How to add text Annotations to PDF docuemnts via Aspose.PDF Cloud Python SDK

To add annotations into PDF, we’ll use Aspose.PDF Cloud Python SDK. This Cloud SDK assists Python programmers in developing cloud-based PDF creator, annotator, editor, and converter apps using Python programming language via Aspose.PDF REST API. Simply create an account at Aspose for Cloud and get your application information. Once you have the App SID & key, you are ready to give the Aspose.PDF Cloud Python SDK. If the python package is hosted on Github, you can install directly from Github:

Installation from Github


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

Package Manager Console Command

     
    pip install asposepdfcloud

Steps to add annotations to PDF via Python

Aspose.PDF Cloud developers can easily load & add annotations to PDF in just a few lines of code.

  1. Install Python SDK.
  2. Uploads the PDF to cloud storage.
  3. Creates a styled text box (with fonts, colors, alignment).
  4. Submits the annotation to the specified page.
  5. Downloads the modified document for local use.
 

Add FreeText Annotations to PDF using Python


    from annotations_helper import Config, PdfAnnotationsHelper, logging
    from asposepdfcloud import ApiClient, PdfApi, FreeTextAnnotation, Rectangle, TextStyle, Color, FreeTextIntent, Justification, AnnotationFlags, HorizontalAlignment

    class PdfAddFreeTextAnnotations:
        """Class for managing PDF annotations using Aspose PDF Cloud API."""
        def __init__(self, pdf_api: PdfApi, helper: PdfAnnotationsHelper):
            self.pdfApi = pdf_api
            self.helper = helper

        def append_text_annotation(self):
            """Append a new free text annotation to the PDF document."""
            if self.pdfApi:
                self.helper.uploadFile(Config.PDF_DOCUMENT_NAME, Config.LOCAL_FOLDER, Config.REMOTE_FOLDER)
                
                args = {
                    "folder": Config.REMOTE_FOLDER
                }

                text_style = TextStyle(
                    font_size=20,
                    font='Arial', 
                    foreground_color=Color(a=0xFF, r=0, g=0xFF, b=0),
                    background_color=Color(a=0xFF, r=0xFF, g=0, b=0)
                )

                new_annotation = FreeTextAnnotation(
                    rect = Rectangle(llx=100, lly=350, urx=450, ury=400),
                    text_style = text_style,
                    name = 'Free Text Annotation',
                    flags = [AnnotationFlags.DEFAULT],
                    horizontal_alignment = HorizontalAlignment.CENTER,
                    intent = FreeTextIntent.FREETEXTTYPEWRITER,
                    rich_text = Config.NEW_FT_ANNOTATION_TEXT,
                    subject = Config.NEW_FT_ANNOTATION_SUBJECT,
                    contents = Config.NEW_FT_ANNOTATION_CONTENTS,
                    title = Config.NEW_FT_ANNOTATION_DESCRIPTION,
                    z_index = 1,
                    justification = Justification.CENTER,
                )
                new_annotation.attribute_map["icon"] = "Icon"
                new_annotation.swagger_types["icon"] = "TextIcon"
                new_annotation.icon = "Help"

                try:
                    response = self.pdfApi.post_page_free_text_annotations(Config.PDF_DOCUMENT_NAME, Config.PAGE_NUMBER, [new_annotation], **args)
                    if response.code == 200:
                        logging.info(f"append_text_annotation(): annotation '{Config.NEW_FT_ANNOTATION_TEXT}' added to the document '{Config.PDF_DOCUMENT_NAME}'.")
                        self.helper.downloadFile(Config.PDF_DOCUMENT_NAME, Config.LOCAL_RESULT_DOCUMENT_NAME, Config.LOCAL_FOLDER, Config.REMOTE_FOLDER, "add_freetext_")
                    else:
                        logging.error(f"append_text_annotation(): Failed to add annotation to the document. Response code: {response.code}")
                except Exception as e:
                    logging.error(f"append_text_annotation(): Error while adding annotation: {e}")