Welcome folks today in this post we will be extracting all text and images from pdf documents using pillow and pypdf2 library in python. All the full source code of the application is shown below.
Get Started
In order to get started you need to install the following library using the pip command as shown below
pip install pillow
pip install pypdf2
After installing the libraries make an app.py file and copy paste the following code
app.py
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from tkinter import * import PyPDF2 from PIL import Image, ImageTk from tkinter.filedialog import askopenfile from functions import display_logo, display_textbox, display_icon, display_images, extract_images, resize_image, copy_text, save_all, save_image #global parameters, updating dynamically all_content = [] all_images = [] img_idx = [0] displayed_img = [] #initiallize a Tkinter root object root = Tk() root.geometry('+%d+%d'%(350,10)) #place GUI at x=350, y=10 #ARROW BUTTONS FUNCTIONALITY #right arrow def right_arrow(all_images, selected_img, what_text): #restrict button actions to the number of avialable images if img_idx[-1] < len(all_images) -1: #change to the following index new_idx = img_idx[-1] + 1 img_idx.pop() img_idx.append(new_idx) #remove displayed image if exists if displayed_img: displayed_img[-1].grid_forget() displayed_img.pop() #create a new image in the new index & display it new_img = all_images[img_idx[-1]] selected_img = display_images(new_img) displayed_img.append(selected_img) #update the new index on the interface what_text.set("image " + str(img_idx[-1] + 1) + " out of " + str(len(all_images))) #left arrow def left_arrow(all_images, selected_img, what_text): #restrict button actions to indices greater than 1 if img_idx[-1] >= 1: #change to the previous index new_idx = img_idx[-1] - 1 img_idx.pop() img_idx.append(new_idx) #remove displayed image if exists if displayed_img: displayed_img[-1].grid_forget() displayed_img.pop() #create a new image in the new index & display it new_img = all_images[img_idx[-1]] selected_img = display_images(new_img) displayed_img.append(selected_img) #update the new index on the interface what_text.set("image " + str(img_idx[-1] + 1) + " out of " + str(len(all_images))) #header area - logo & browse button header = Frame(root, width=800, height=175, bg="white") header.grid(columnspan=3, rowspan=2, row=0) #main content area - text and image extraction main_content = Frame(root, width=800, height=250, bg="#20bebe") main_content.grid(columnspan=3, rowspan=2, row=4) def open_file(): #clear global list of indices for i in img_idx: img_idx.pop() img_idx.append(0) #set global index to 0 browse_text.set("loading...") #load a PDF file file = askopenfile(parent=root, mode='rb', filetype=[("Pdf file", "*.pdf")]) if file: read_pdf = PyPDF2.PdfFileReader(file) #select a page page = read_pdf.getPage(0) #extract text content from page page_content = page.extractText() #SET A SPECIAL ENCODING OR REPLACE CHARACTERS #page_content = page_content.encode('cp1252') page_content = page_content.replace('\u2122', "'") #CLEARING GLOBAL VARIABLES ONCE A NEW PDF FILE IS SELECTED #clear the content of the previous PDF file if all_content: for i in all_content: all_content.pop() #clear the image list from the previous PDF file for i in range(0, len(all_images)): all_images.pop() #hide the displayed image from the previous PDF file and remove it if displayed_img: displayed_img[-1].grid_forget() displayed_img.pop() #BEGIN EXTRACTING #extract text all_content.append(page_content) #extract images images = extract_images(page) for img in images: all_images.append(img) #BEGIN DISPLAYING #display the first image that was detected selected_image = display_images(images[img_idx[-1]]) displayed_img.append(selected_image) #display the text found on the page display_textbox(all_content, 4, 0, root) #reset the button text back to Browse browse_text.set("Browse") #BEGIN MENUES AND MENU WIDGETS #1.image menu on row 2 img_menu = Frame(root, width=800, height=60) img_menu.grid(columnspan=3, rowspan=1, row=2) what_text = StringVar() what_img = Label(root, textvariable=what_text, font=("shanti", 10)) what_text.set("image " + str(img_idx[-1] + 1) + " out of " + str(len(all_images))) what_img.grid(row=2, column=1) #arrow buttons display_icon('arrow_l.png', 2, 0, E, lambda:left_arrow(all_images, selected_image, what_text)) display_icon('arrow_r.png', 2, 2, W, lambda:right_arrow(all_images, selected_image, what_text)) #2.save image menu on row 3 save_img_menu = Frame(root, width=800, height=60, bg="#c8c8c8") save_img_menu.grid(columnspan=3, rowspan=1, row=3) #create action buttons copyText_btn = Button(root, text="copy text",command=lambda:copy_text(all_content, root), font=("shanti", 10), height=1, width=15) saveAll_btn = Button(root, text="save all images", command=lambda:save_all(all_images), font=("shanti", 10), height=1, width=15) save_btn = Button(root, text="save image", command=lambda:save_image(all_images[img_idx[-1]]), font=("shanti", 10), height=1, width=15) #place buttons on grid copyText_btn.grid(row=3,column=0) saveAll_btn.grid(row=3,column=1) save_btn.grid(row=3,column=2) #BEGIN INITIAL APP COMPONENTS display_logo('logo.png', 0, 0) #instructions instructions = Label(root, text="Select a PDF file", font=("Raleway", 10), bg="white") instructions.grid(column=2, row=0, sticky=SE, padx=75, pady=5) #browse button browse_text = StringVar() browse_btn = Button(root, textvariable=browse_text, command=lambda:open_file(), font=("Raleway",12), bg="#20bebe", fg="white", height=1, width=15) browse_text.set("Browse") browse_btn.grid(column=2, row=1, sticky=NE, padx=50) root.mainloop() |
Now if you execute the above python script by typing the below command which is shown below
python app.py
