Student table with Blob column to add data using Tkinter window

Preview and Adding uploaded image with data to MySQL table in Tkinter GUI

id: Auto-increment id column of MySQL table.

Inputs

Name : Name of the student, Entry box is used to take user input
Class : Combobox is used to take user input or selection of student class
Gender : Radio buttons for selection of Gender of the student.
mark : Entry to accept mark of the student.
photo : Blob column to store uploaded any JPG or PNG image

Tkinter GUI to collect user inputs with Photo to store in student Database table with Blob column

We have already discussed about the structure of the student_profile table and how to display the records with uploaded photo here.

There are two parts of this script. In first part we will create the layout and upload - display the student photo. In second part we will insert the details to Database.

We will first display the Tkinter GUI with all input elements.

The function my_upload() to show the file browser and allow uploading of file. After uploading the same image is displayed on the window over a button, showing a sample to the user about the image going to be stored in the database table.
Upload and display image in Tkinter GUI
Here is the code to upload and display the image within the function.

def my_upload(): # show file browser and preview of photo
    global filename,img
    f_types = [('All Files', '*.*'), 
             ('JPG', '*.jpg'),
             ('PNG', '*.png')              ]
    filename = filedialog.askopenfilename(filetypes=f_types)
    img=ImageTk.PhotoImage(file=filename)
    b3=tk.Button(my_w,image=img) # display image on this
    b3.grid(row=4,column=1,columnspan=3,pady=20)

Above function my_upload() is called when the button b1 is clicked.

The other function my_add() will insert the user input data along with the Photo in database table. Details of this function my_add() is covered in Part II of this tutorial.

Full code of part I is here

import tkinter as tk
from tkinter import ttk
my_w = tk.Tk()
from tkinter import filedialog
from tkinter.filedialog import askopenfile
from PIL import Image,ImageTk

my_w.geometry("650x450")  
my_w.title("plus2net.com")  # Adding a title
font1=['Times',20,'bold'] # font style to use in Labels 

l1 = tk.Label(my_w,  text='Student Admission', font=24,bg='lightgreen' )  
l1.grid(row=0,column=0,columnspan=7,padx=10,pady=20,sticky='ew') 
l2=tk.Label(my_w,text='Name',font=font1)
l2.grid(row=1,column=0,padx=5,pady=30)
e2 = tk.Entry(my_w,   width=20,bg='yellow',font=18) # added one Entry box
e2.grid(row=1,column=1,columnspan=3,padx=15) 

l3=tk.Label(my_w,text='Class',font=font1)
l3.grid(row=1,column=4,padx=15,pady=10)
my_class=['Three','Four','Five','Six']
cb1 = ttk.Combobox(my_w, values=my_class,width=7)
cb1.grid(row=1,column=5,padx=10,pady=10)
l_msg=tk.Label(my_w,text='Msg here',bg='yellow',font=16) # show messages
l_msg.grid(row=1,column=6)
l4=tk.Label(my_w,text='Gender',font=font1)
l4.grid(row=2,column=0,padx=5,pady=30)
r1_v=tk.StringVar(value='Female')
r1 = tk.Radiobutton(my_w, text='Male', variable=r1_v, value='Male')
r1.grid(row=2,column=1) 
r2 = tk.Radiobutton(my_w, text='Female', variable=r1_v, value='Female')
r2.grid(row=2,column=2) 
r3 = tk.Radiobutton(my_w, text='Others', variable=r1_v, value='Other')
r3.grid(row=2,column=3) 

l5=tk.Label(my_w,text='Mark',font=font1)
l5.grid(row=2,column=4,padx=5,pady=10)
e5 = tk.Entry(my_w,   width=5,bg='yellow',font=18) # Entry box
e5.grid(row=2,column=5,padx=15) 
b1=tk.Button(my_w,text='Upload',command=lambda:my_upload())
b1.grid(row=3,column=2)
b2=tk.Button(my_w,text='Add Data',command=lambda:my_add())
b2.grid(row=3,column=3,padx=5)
global filename,img
def my_upload(): # show file browser and preview of photo
    global filename,img
    f_types = [('All Files', '*.*'), 
             ('JPG', '*.jpg'),
             ('PNG', '*.png')              ]
    filename = filedialog.askopenfilename(filetypes=f_types)
    img=ImageTk.PhotoImage(file=filename)
    b3=tk.Button(my_w,image=img) # display image on this
    b3.grid(row=4,column=1,columnspan=3,pady=20)
def my_add():
    pass # code to store data in database 
my_w.mainloop()

Run the above code to get the layout with all the inputs the user can use. We can point to any image and check the preview of the photo.

Part II : Storing data in Database

Inserting data with Picture to Blob column of MySQL student table using Tkinter GUI inputs Part II

To create table here is the SQL dump of the student_blob table.

CREATE TABLE IF NOT EXISTS `student_blob` (
  `id` int(2) NOT NULL AUTO_INCREMENT,
  `name` varchar(50) CHARACTER SET utf8 NOT NULL DEFAULT '',
  `class` varchar(10) CHARACTER SET utf8 NOT NULL DEFAULT '',
  `mark` int(3) NOT NULL DEFAULT '0',
  `gender` varchar(6) CHARACTER SET utf8 NOT NULL DEFAULT 'male',
  `photo` blob,
  UNIQUE KEY `id` (`id`)
) ENGINE=InnoDB  DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

Here is the code to connect to MySQL database, enter your MySQL login details and database name here.

from sqlalchemy import create_engine
my_conn = create_engine("mysql+mysqldb://userid:pass@localhost/db_name")

Connection to MySQL database .
In above code we have used the button b2 to trigger a function my_add().

b2=tk.Button(my_w,text='Add Data',command=lambda:my_add())
b2.grid(row=3,column=3,padx=5)

This function my_add() reads the user entered data in Entry element ( name ) user selection of Combobox , radio buttons for gender , mark and the uploaded image. After connecting to MySQL database, it add the data to table.

As a confirmation of data insertion to MySQL table , we use the function lastrowid to get auto-increment id of the record added to the table. This number is displayed in the Message area in our Label l_msg.

def my_add():
    global filename
    flag_validation=True # set the flag 
    my_name=e2.get() # read name
    my_class=cb1.get()    # read class
    my_mark=e5.get() # read mark
    my_gender=r1_v.get()   # read gender
    fob=open(filename,'rb') # filename from upload_file()
    fob=fob.read() # binary format the image is ready
    my_data=(None,my_name,my_class,my_mark,my_gender,fob)
    my_query="INSERT INTO student_blob values(%s,%s,%s,%s,%s,%s)"
    id=my_conn.execute(my_query,my_data)
    l_msg.config(text="id :" + str(id.lastrowid)) 
    print("ID of Row Added  = ",id.lastrowid)

Here to keep the code simple and small, the validation part is not included but same can be added. Here is a list of validation you may consider adding to the script.

The button to add data can be kept as disabled unless some minimum length of text is entered as name and the image file is uploaded. Read how to disable / enable a button here
While displaying the image the size can be reduced to match the window size. Here all sample images shown are of small sizes so they fit to the window. Check how to reduce the size of the image using PIL
Check if the ID selected by the user is already available in the table.

Full code is here

import tkinter as tk
from tkinter import ttk
my_w = tk.Tk()
from tkinter import filedialog
from tkinter.filedialog import askopenfile
from PIL import Image,ImageTk

from sqlalchemy import create_engine
my_conn = create_engine("mysql+mysqldb://userid:pass_w@localhost/db_name")

my_w.geometry("650x450")  
my_w.title("plus2net.com")  # Adding a title
font1=['Times',20,'bold'] # font style to use in Labels 

l1 = tk.Label(my_w,  text='Student Admission', font=24,bg='lightgreen' )  
l1.grid(row=0,column=0,columnspan=7,padx=10,pady=20,sticky='ew') 
l2=tk.Label(my_w,text='Name',font=font1)
l2.grid(row=1,column=0,padx=5,pady=30)
e2 = tk.Entry(my_w,   width=20,bg='yellow',font=18) # added one Entry box
e2.grid(row=1,column=1,columnspan=3,padx=15) 

l3=tk.Label(my_w,text='Class',font=font1)
l3.grid(row=1,column=4,padx=15,pady=10)
my_class=['Three','Four','Five','Six']
cb1 = ttk.Combobox(my_w, values=my_class,width=7)
cb1.grid(row=1,column=5,padx=10,pady=10)
l_msg=tk.Label(my_w,text='Msg here',bg='yellow',font=16) # to show messages
l_msg.grid(row=1,column=6)
l4=tk.Label(my_w,text='Gender',font=font1)
l4.grid(row=2,column=0,padx=5,pady=30)
r1_v=tk.StringVar(value='Female')
r1 = tk.Radiobutton(my_w, text='Male', variable=r1_v, value='Male')
r1.grid(row=2,column=1) 
r2 = tk.Radiobutton(my_w, text='Female', variable=r1_v, value='Female')
r2.grid(row=2,column=2) 
r3 = tk.Radiobutton(my_w, text='Others', variable=r1_v, value='Other')
r3.grid(row=2,column=3) 

l5=tk.Label(my_w,text='Mark',font=font1)
l5.grid(row=2,column=4,padx=5,pady=10)
e5 = tk.Entry(my_w,   width=5,bg='yellow',font=18) # added one Entry box
e5.grid(row=2,column=5,padx=15) 
b1=tk.Button(my_w,text='Upload',command=lambda:my_upload())
b1.grid(row=3,column=2)
b2=tk.Button(my_w,text='Add Data',command=lambda:my_add())
b2.grid(row=3,column=3,padx=5)
global filename,img
def my_upload():
    global filename,img
    f_types = [('All Files', '*.*'), 
             ('JPG', '*.jpg'),
             ('PNG', '*.png')              ]
    filename = filedialog.askopenfilename(filetypes=f_types)
    img=ImageTk.PhotoImage(file=filename)
    b3=tk.Button(my_w,image=img) # display image on this button
    b3.grid(row=4,column=1,columnspan=3,pady=20)
def my_add():
    global filename
    flag_validation=True # set the flag 
    my_name=e2.get() # read name
    my_class=cb1.get()    # read class
    my_mark=e5.get() # read mark
    my_gender=r1_v.get()   # read gender
    fob=open(filename,'rb') # filename from upload_file()
    fob=fob.read() # binary format the image is ready
    my_data=(None,my_name,my_class,my_mark,my_gender,fob)
    my_query="INSERT INTO student_blob values(%s,%s,%s,%s,%s,%s)"
    id=my_conn.execute(my_query,my_data)
    l_msg.config(text="id :" + str(id.lastrowid)) 
    print("ID of Row Added  = ",id.lastrowid)
my_w.mainloop()

import tkinter as tk
from tkinter import ttk
my_w = tk.Tk()
from tkinter import filedialog
from tkinter.filedialog import askopenfile
from PIL import Image,ImageTk

from sqlalchemy import create_engine
my_conn = create_engine("mysql+mysqldb://userid:pass_w@localhost/db_name")

my_w.geometry("650x450")  
my_w.title("plus2net.com")  # Adding a title
font1=['Times',20,'bold'] # font style to use in Labels

l1 = tk.Label(my_w,  text='Student Admission', font=24,bg='lightgreen' )  
l1.grid(row=0,column=0,columnspan=7,padx=10,pady=20,sticky='ew') 
l2=tk.Label(my_w,text='Name',font=font1)
l2.grid(row=1,column=0,padx=5,pady=30)
e2 = tk.Entry(my_w,   width=20,bg='yellow',font=18) # added one Entry box
e2.grid(row=1,column=1,columnspan=3,padx=15)

l3=tk.Label(my_w,text='Class',font=font1)
l3.grid(row=1,column=4,padx=15,pady=10)
my_class=['Three','Four','Five','Six']
cb1 = ttk.Combobox(my_w, values=my_class,width=7)
cb1.grid(row=1,column=5,padx=10,pady=10)
l_msg=tk.Label(my_w,text='Msg here',bg='yellow',font=16) # to show messages
l_msg.grid(row=1,column=6)
l4=tk.Label(my_w,text='Gender',font=font1)
l4.grid(row=2,column=0,padx=5,pady=30)
r1_v=tk.StringVar(value='Female')
r1 = tk.Radiobutton(my_w, text='Male', variable=r1_v, value='Male')
r1.grid(row=2,column=1) 
r2 = tk.Radiobutton(my_w, text='Female', variable=r1_v, value='Female')
r2.grid(row=2,column=2) 
r3 = tk.Radiobutton(my_w, text='Others', variable=r1_v, value='Other')
r3.grid(row=2,column=3)

l5=tk.Label(my_w,text='Mark',font=font1)
l5.grid(row=2,column=4,padx=5,pady=10)
e5 = tk.Entry(my_w,   width=5,bg='yellow',font=18) # added one Entry box
e5.grid(row=2,column=5,padx=15) 
b1=tk.Button(my_w,text='Upload',command=lambda:my_upload())
b1.grid(row=3,column=2)
b2=tk.Button(my_w,text='Add Data',command=lambda:my_add())
b2.grid(row=3,column=3,padx=5)
global filename,img
def my_upload():
    global filename,img
    f_types = [('All Files', '*.*'), 
             ('JPG', '*.jpg'),
             ('PNG', '*.png')              ]
    filename = filedialog.askopenfilename(filetypes=f_types)
    img=ImageTk.PhotoImage(file=filename)
    b3=tk.Button(my_w,image=img) # display image on this button
    b3.grid(row=4,column=1,columnspan=3,pady=20)
def my_add():
    global filename
    flag_validation=True # set the flag 
    my_name=e2.get() # read name
    my_class=cb1.get()    # read class
    my_mark=e5.get() # read mark
    my_gender=r1_v.get()   # read gender
    fob=open(filename,'rb') # filename from upload_file()
    fob=fob.read() # binary format the image is ready
    my_data=(None,my_name,my_class,my_mark,my_gender,fob)
    my_query="INSERT INTO student_blob values(%s,%s,%s,%s,%s,%s)"
    id=my_conn.execute(my_query,my_data)
    l_msg.config(text="id :" + str(id.lastrowid)) 
    print("ID of Row Added  = ",id.lastrowid)
my_w.mainloop()

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