└── Project1.py


/Project1.py:
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  1 | import os
  2 | import random
  3 | 
  4 | from PIL import Image, ImageTk
  5 | from PIL.ExifTags import TAGS #for converting strings
  6 | 
  7 | import tkinter
  8 | from tkinter import ttk, filedialog#allows to open files and folders
  9 | 
 10 | 
 11 | class App:
 12 |     #first method to be runned
 13 |     def __init__(self,master):
 14 |         self.master = master
 15 |         self.drawBoard() #calling drawBoard
 16 | 
 17 | #passing all the widget needs for this appp
 18 |     def drawBoard(self): 
 19 |         self.photo_frame = ttk.Frame(self.master, width=850,height=650)#holds img
 20 |         self.photo_frame.pack(side='left',padx=50,fill='x',expand=True)
 21 |         self.photo_frame.pack_propagate(False) #avoid auto_resize#pack_propagate is used to avoid shrinkage of frame
 22 | 
 23 |         self.content_frame = ttk.Frame(self.master, width=400,height=350)
 24 |         self.content_frame.pack(side='left',padx=20,fill='x',expand=True)
 25 |         self.content_frame.pack_propagate(False)
 26 | 
 27 |         self.image_label = ttk.Label(self.photo_frame)#holds the img
 28 |         self.image_label.pack(anchor='sw')
 29 | 
 30 |         self.open_button = ttk.Button(self.photo_frame, text='open',command=self.openFolder)
 31 |         self.open_button.pack(side='left',anchor='sw')
 32 |         
 33 |         self.close_button = ttk.Button(self.photo_frame, text='close',command=self.master.destroy)
 34 |         self.close_button.pack(side='left',anchor='sw')
 35 | 
 36 |         self.back_button = ttk.Button(self.photo_frame, text='<',state='disabled',command=self.moveBackward)
 37 |         self.back_button.pack(side='left',anchor='sw')
 38 | 
 39 |         self.forward_button = ttk.Button(self.photo_frame, text='>',state='disabled',command=self.moveForward)
 40 |         self.forward_button.pack(side='left',anchor='sw')
 41 | 
 42 |         self.meta_button = ttk.Button(self.photo_frame, text='meta',state='disabled',command=self.extractMeta)
 43 |         self.meta_button.pack(side='left',anchor='sw')
 44 | 
 45 |     def openFolder(self):
 46 |         #try and catch block is used to throw exception
 47 |         try:
 48 |             self.folder = filedialog.askdirectory(title='Open a folder',initialdir= 'C:\\Users\\nandh\\OneDrive\\Pictures')
 49 |             self.image_list = os.listdir(self.folder)
 50 |             self.new_image_list = [img for img in self.image_list if img.endswith('jpg') or img.endswith('JPG') or img.endswith('png') or img.endswith('JPEG') or img.endswith('jpeg')]
 51 |             self.loadImage()
 52 |             self.forward_button.state(['!disabled'])
 53 |             self.meta_button.state(['!disabled'])
 54 | 
 55 |         except FileNotFoundError:
 56 |             self.pop_up = tkinter.Toplevel(master)
 57 |             self.pop_up.title('alert')
 58 |             self.pop_up.geometry('225x125+650+300')
 59 |             self.pop_up.resizable(False, False)
 60 |             self.pop_up.lift(master)
 61 | 
 62 |             ttk.Label(self.pop_up, text='operation cancelled', background='light blue').pack(padx=20, pady=25)
 63 |             ttk.Button(self.pop_up, text='Ok', command=self.pop_up.destroy).pack(padx=10, pady=5)
 64 | 
 65 | 
 66 |     def loadImage(self, image_counter=0):
 67 |         self.image_counter = image_counter
 68 |         self.image = self.folder + '/' + self.new_image_list[self.image_counter]#folder give path #list gives 1st img in list
 69 |         width, height = Image.open(self.image).size
 70 | 
 71 |         if width > height:
 72 |             self.image_resized = Image.open(self.image).resize((850,550))
 73 |         else:
 74 |             self.image_resized = Image.open(self.image).resize((450,600))
 75 | 
 76 |         self.load_image = ImageTk.PhotoImage(self.image_resized)
 77 |         self.image_label.image = self.load_image
 78 |         self.image_label.config(image=self.image_label.image)
 79 |     def moveForward(self):
 80 |         self.clearMeta()
 81 |         self.image_counter +=1
 82 |         self.loadImage(self.image_counter)
 83 |         self.back_button.state(['!disabled'])
 84 |         if self.image_counter +1 == len(self.new_image_list):
 85 |             self.forward_button.state(['disabled'])
 86 | 
 87 |     def moveBackward(self):
 88 |         self.clearMeta()
 89 |         self.image_counter -=1
 90 |         self.loadImage(self.image_counter)
 91 |         if self.image_counter == 0:
 92 |             self.back_button.state(['disabled'])
 93 |         self.forward_button.state(['!disabled'])
 94 |         
 95 |     def clearMeta(self):
 96 |         if self.content_frame.pack_slaves():
 97 |             for widget in self.content_frame.pack_slaves():
 98 |                 widget.destroy()
 99 |     
100 |     def extractMeta(self):
101 |         self.clearMeta()
102 |         file = Image.open(self.image)
103 |         data = file.getexif()
104 |         if data:
105 |             for key, val in data.items():
106 |                 string = TAGS.get(key)
107 |                 labeltext = '{} : {}'.format(string, val)
108 |                 ttk.Label(self.content_frame, text=labeltext).pack(anchor='sw',padx=20, pady=3)
109 |         else:
110 |             ttk.Label(self.content_frame, text='no metadata found').pack(anchor='sw',padx=20, pady=3)
111 | 
112 | if __name__ == '__main__':
113 |     master = tkinter.Tk()
114 |     App(master)
115 |     master.title('Crystal Ball')
116 |     master.geometry('1350x750+125+50')
117 |     master.mainloop()


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