Capture an individual image using Wand

I'm encountering an issue with my script. I am trying to utilize wand to 

convert a PDF file to a JPEG file
and I only want to save a specific frame.

Here is what my script does:

  • If the PDF document has just one page: it successfully converts and saves it as a jpeg file

  • If the PDF document contains two pages or more: it should convert and save only the first page as a jpeg file (but this part is not working)

My challenge lies in saving just the intended page[0] but I am unable to figure out how to store just one frame.

#-*- coding: utf-8 -*-

from wand.image import Image
import os

documents_path = "/Users/tiers/Desktop/documents/"

for PDF in os.listdir (documents_path) : #loop through all PDFs in the folder

    convert = Image(filename=documents_path + PDF, resolution=200)  
    name = PDF.split('.') #Get the name

    if len(convert.sequence) == 1 :  #Number of pages = 1
            convert.compression_quality = 100 #Quality percentage
            convert.save(filename="/Users/tiers/Desktop/documents_jpg/" + name[0] + ".jpg") #Save as JPEG with the name.jpg

    elif len(convert.sequence) > 1 : #Number of pages > 1

            for page in convert.sequence : #For each page 
                convert.compression_quality = 100 #Quality percentage
                page.save(filename="/Users/tiers/Desktop/documents_jpg/" + name[0] + ".jpg") #Save as JPEG with the name.jpg

Do you have any suggestions?

EDIT :

I made adjustments to my script. I added a break after the first loop in my last for. This allows me to select only the first page, but I would prefer another solution...

#-*- coding: utf-8 -*-

from wand.image import Image
import os
import matplotlib as plt

documents_path = "/Users/tiers/Desktop/documents/"

for PDF in os.listdir (documents_path) : #loop through all PDFs in the folder

    convert = Image(filename=documents_path + PDF, resolution=200)  
    name = PDF.split('.') #Get the name
    page = len(convert.sequence)

    if page == 1 :  #Number of pages = 1
            convert.compression_quality = 100 #Quality percentage
            convert.save(filename="/Users/tiers/Desktop/documents_jpg/" + name[0] + ".jpg") #Save as JPEG with the name.jpg

    elif page > 1 : #Number of pages > 1

        for frame in convert.sequence : #For each page 
                img_page = Image(image=frame)
                img_page.compression_quality = 100 #Quality percentage
                img_page.save(filename="/Users/tiers/Desktop/documents_jpg/" + name[0] + ".jpg") #Save as JPEG with the name.jpg
                break

It works, but if there is a different approach to achieve this, I am open to suggestions!

pythonpdfwand

Answer №1

import wand.image

with wand.image.Image(filename='example.pdf') as img:
    extracted_image = img.sequence[0]
    first_image = wand.image.Image(image=extracted_image)
    first_image.format = 'jpeg'
    first_image.save(filename='image.jpg')

I believe this alternative approach is more effective.

Answer №2

Updated my response to only focus on the initial page

from PyPDF2 import PdfReader
import os

folder_path = "/Users/tiers/Desktop/files/"

for file in os.listdir(folder_path): 
    if file.endswith(".pdf"):
        with open(os.path.join(folder_path, file), "rb") as f:
            pdf = PdfFileReader(f)
            first_page = pdf.getPage(0)
            writer = PdfWriter()
            writer.addPage(first_page)
            
            with open(os.path.join('/Users/tiers/Desktop/updated_files/', 'new_' + file), "wb") as out:
                writer.write(out) # Save first page as new PDF file

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