'This is my code for a project in python in which I am converting a pdf to a audiobook, but I want to turn the pages automatically instead of manually
This is my code for a project in python in which I am converting a pdf to a audiobook, but I want to turn the pages automatically instead of manually.Can you help? (This for the description/details error I had to add some extra details.)
import os
import threading
import tkinter as tk
import tkinter.ttk as ttk
from tkinter import filedialog
from tkinter import messagebox
from tkinter import PhotoImage
from reader import PDFMiner
import pyttsx3
cwd = os.getcwd()
engine = pyttsx3.init()
volume = engine.getProperty('volume')
engine.setProperty('volume', volume-0.12)
voices = engine.getProperty('voices')
engine.setProperty('voice', voices[1].id)
rate = engine.getProperty('rate')
engine.setProperty('rate', rate-30)
class Application(tk.Frame):
def __init__(self, master=None):
super().__init__(master=master)
self.master = master
self.grid()
self.fileisOpen = False
self.path = None
self.numPages = None
self.current_page = 0
self.author = None
self.name = None
self.speaker_on = False
self.draw_frames()
self.draw_display_frame()
self.draw_controls_frame()
self.master.bind('<Left>', self.prev_page)
self.master.bind('<Right>', self.next_page)
self.master.bind('<Up>', self._go_up)
self.master.bind('<Down>', self._go_down)
self.master.bind('<Enter>', self._bound_to_mousewheel)
self.master.bind('<Leave>', self._unbound_to_mousewheel)
self.master.bind('<Return>', self.search_page)
def draw_frames(self):
self.display_frame = tk.Frame(self, width=400, height=400, bg='gray18')
self.display_frame.grid(row=0, column=0)
self.display_frame.grid_propagate(False)
self.controls_frame = tk.Frame(self, width=400, height=50, bg='#252525')
self.controls_frame.grid(row=1, column=0)
self.controls_frame.grid_propagate(False)
def draw_display_frame(self):
self.scrolly = tk.Scrollbar(self.display_frame, orient=tk.VERTICAL)
self.scrolly.grid(row=0, column=1, sticky='ns')
self.scrollx = tk.Scrollbar(self.display_frame, orient=tk.HORIZONTAL)
self.scrollx.grid(row=1, column=0, sticky='we')
self.output = tk.Canvas(self.display_frame, bg='gray18')
self.output.configure(width=380, height=380,yscrollcommand=self.scrolly.set,
xscrollcommand=self.scrollx.set)
self.output.grid(row=0, column=0)
self.scrolly.configure(command=self.output.yview)
self.scrollx.configure(command=self.output.xview)
def draw_controls_frame(self):
self.open_file_btn = ttk.Button(self.controls_frame, text='Open File', width=10,
command=self.open_file)
self.open_file_btn.grid(row=0, column=0, padx=5, pady=10)
self.up_btn = tk.Button(self.controls_frame, image=up_icon, bg='#252525', relief=tk.FLAT,
command=self.prev_page)
self.up_btn.grid(row=0, column=1, pady=8, padx=(70,5))
self.pagevar = tk.StringVar()
self.entry = ttk.Entry(self.controls_frame, textvariable=self.pagevar, width=4)
self.entry.grid(row=0, column=2, pady=8)
self.down_btn = tk.Button(self.controls_frame, image=down_icon, bg='#252525', relief=tk.FLAT,
command=self.next_page)
self.down_btn.grid(row=0, column=3, pady=8)
self.speak_btn = tk.Button(self.controls_frame, image=speakoff_icon, bg='#252525',
relief=tk.FLAT, command=self.speaker_toggle)
self.speak_btn.grid(row=0, column=4, pady=8, padx=(55,5))
self.page_label = tk.Label(self.controls_frame, text='', bg='#252525', fg='white',
font=('Papyrus', 12, 'bold'))
self.page_label.grid(row=0, column=5)
def open_file(self):
temppath = filedialog.askopenfilename(initialdir=cwd, filetypes=(("PDF","*.pdf"),))
if temppath:
self.path = temppath
filename = os.path.basename(self.path)
self.miner = PDFMiner(self.path)
data, numpages = self.miner.get_metadata()
self.current_page = 0
if numpages:
self.name = data.get('title', filename[:-4])
self.author = data.get('author', None)
self.numPages = numpages
self.fileisOpen = True
self.display_page()
self.update_idletasks()
else:
self.fileisOpen = False
messagebox.showerror('PDF AudioBook', 'Cannot read pdf')
def display_page(self):
if 0 <= self.current_page < self.numPages:
self.img_file = self.miner.get_page(self.current_page)
self.output.create_image(0, 0, anchor='nw', image=self.img_file)
self.page_label['text'] = self.current_page + 1
region = self.output.bbox(tk.ALL)
self.output.configure(scrollregion=region)
if self.speaker_on:
self.speak()
def prev_page(self, event=None):
# turn over to the previous page
if self.fileisOpen:
if self.speaker_on:
engine.endLoop()
if self.current_page > 0:
self.current_page -= 1
self.display_page()
def next_page(self, event=None):
# turn over to the next page
if self.fileisOpen:
if self.speaker_on:
engine.endLoop()
if self.current_page <= self.numPages - 1:
self.current_page += 1
self.display_page()
def search_page(self, event):
if self.fileisOpen:
page = self.pagevar.get()
if page != ' ':
page = int(self.pagevar.get())
if 0 < page < self.numPages + 1:
if page == 0:
page = 1
else:
page -= 1
self.current_page = page
if self.speaker_on:
engine.endLoop()
self.display_page()
self.pagevar.set('')
def speaker_toggle(self, event=None):
if not self.speaker_on:
self.speaker_on = True
self.speak_btn['image'] = speakon_icon
self.speak()
else:
self.speaker_on = False
self.speak_btn['image'] = speakoff_icon
engine.endLoop()
def speak(self):
if self.fileisOpen:
if self.speaker_on:
text = self.miner.get_text(self.current_page)
thread = threading.Thread(target=self.read, args=(text,), daemon=True)
thread.start()
self.poll_thread(thread)
def poll_thread(self, thread):
if thread.is_alive():
self.after(100, lambda : self.poll_thread(thread))
else:
# self.next_page()
pass
def read(self, text):
engine.say(text)
engine.startLoop()
#PDF Miner code: this will fetch data from the pdf
import math
import fitz
from tkinter import PhotoImage
class PDFMiner:
def __init__(self, filepath):
self.filepath = filepath
self.pdf = fitz.open(self.filepath)
self.first_page = self.pdf.loadPage(0)
self.width, self.height = self.first_page.rect.width, self.first_page.rect.height
print(self.width, self.height)
zoomdict = {800:0.8, 700:0.6, 600:0.7, 500:0.8}
width = int(math.floor(self.width / 100.0)) * 100
print(width)
self.zoom = zoomdict.get(width, 0)
def get_metadata(self):
metadata = self.pdf.metadata
numPages = self.pdf.pageCount
return metadata, numPages
def get_page(self, page_num):
page = self.pdf.loadPage(page_num)
if self.zoom:
mat = fitz.Matrix(self.zoom, self.zoom)
pix = page.getPixmap(matrix=mat)
else:
pix = page.getPixmap()
px1 = fitz.Pixmap(pix, 0) if pix.alpha else pix
imgdata = px1.getImageData('ppm')
return PhotoImage(data=imgdata)
def get_text(self, page_num):
page = self.pdf.loadPage(page_num)
text = page.getText('text')
return text
def _bound_to_mousewheel(self, event):
self.output.bind_all("<MouseWheel>", self._on_mousewheel)
def _unbound_to_mousewheel(self, event):
self.output.unbind_all("<MouseWheel>")
def _on_mousewheel(self, event):
self.output.yview_scroll(int(-1*(event.delta/120)), "units")
def _go_up(self, event):
self.output.yview_scroll(-1, "units")
def _go_down(self, event):
self.output.yview_scroll(1, "units")
def _yview(self, *args):
if self.output.yview() == (0.0, 1.0):
return self.output.yview(*args)
if __name__ == '__main__':
root = tk.Tk()
root.geometry('400x450+400+170')
root.title('PDF AudioBook')
root.resizable(0,0)
up_icon = PhotoImage(file='icons/up.png')
down_icon = PhotoImage(file='icons/down.png')
speakon_icon = PhotoImage(file='icons/speaker.png')
speakoff_icon = PhotoImage(file='icons/mute.png')
app = Application(master=root)
app.mainloop()
Sources
This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.
Source: Stack Overflow
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