CRUD Operations In Python With Source Code
The CRUD Operations In Python is written in python programming language and MySQL database, In this article I will teach you on how to create a python crud operation with mysql.
A crud application in python is design in a Graphical User Interface(GUI) using crud python tkinter, it also includes a downloadable python crud operation.
Watch the video here.
Before we start to perform this CRUD Operations In Python, be sure that you have Pycharm IDE and XAMPP installed in your computer.
By the way if you are new to python programming and you don’t know what would be the the Python IDE to use, I have here a list of Best Python IDE for Windows, Linux, Mac OS that will suit for you. I also have here How to Download and Install Latest Version of Python on Windows.
Steps on how to create a CRUD Operations In Python With Source Code
CRUD Operations In Python With Source Code
- Step 1: Create a project name.
First when you finished installed the Pycharm IDE in your computer, open it and then create a “project name” after creating a project name click the “create” button.
- Step 2: Create a python file.
Second after creating a project name, “right click” your project name and then click “new” after that click the “python file“.
- Step 3: Name your python file.
Third after creating a python file, Name your python file after that click “enter“.
- Step 4: Open the XAMPP.
Fourth when you done creating a project name and python file in PyCharm IDE , open the XAMPP and click the “start” button of “Apache” and “MySQL“.
- Step 5: Open any browser.
Fifth open any browser and type in the URL: localhost/phpMyadmin.
- Step 6: Create a database name.
Sixth click “new” and name your database after that click the “create” button.
- Step 7: Create a database table.
After creating a database name, create a table name and then select if how many “rows” do you want to create in your database table after that click the “GO” button.
- Step 8: Add entity and attributes.
After creating database table, add the entity and attributes in your database table and set the Stud_ID into a primary key and auto-incremented.
- Step 9: The actual code on how to create CRUD Operations In Python.
In this step gives the code below on how to create CRUD Operations In Python and connect to MySQL as backend, you are free to copy this code and explore coding in your project.
The code given below is the connection.
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import mysql.connector from mysql.connector import Error try: conn = mysql.connector.connect(host='localhost', database='CRUD', user='root', password='') mycursor = conn.cursor() |
In this module which is the connection of the system from a python connect into MySQL database to perform adding,update,delete and retrieving data.
The code given below is the main module.
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from tkinter import * from tkinter import messagebox import os import sys from tkinter import ttk import mysql.connector from mysql.connector import Error py=sys.executable #creating window class MainWin(Tk): def __init__(self): super().__init__() self.configure(bg='gray') self.canvas = Canvas(width=1366, height=768, bg='gray') self.canvas.pack() self.maxsize(1320, 768) self.minsize(1320,768) self.state('zoomed') self.title('CRUD Operation In Python') self.a = StringVar() self.b = StringVar() self.mymenu = Menu(self) #calling scripts def ib(): os.system('%s %s' % (py, 'Update.py')) def ret(): os.system('%s %s' % (py, 'Delete.py')) def sea(): os.system('%s %s' % (py,'Add.py')) #creating table self.listTree = ttk.Treeview(self,height=14,columns=('First Name','Last Name','Gender','Address','Contact Number','Course')) self.vsb = ttk.Scrollbar(self,orient="vertical",command=self.listTree.yview) self.hsb = ttk.Scrollbar(self,orient="horizontal",command=self.listTree.xview) self.listTree.configure(yscrollcommand=self.vsb.set,xscrollcommand=self.hsb.set) self.listTree.heading("#0", text='ID') self.listTree.column("#0", width=50,minwidth=50,anchor='center') self.listTree.heading("First Name", text='First Name') self.listTree.column("First Name", width=200, minwidth=200,anchor='center') self.listTree.heading("Last Name", text='Last Name') self.listTree.column("Last Name", width=200, minwidth=200,anchor='center') self.listTree.heading("Gender", text='Gender') self.listTree.column("Gender", width=125, minwidth=125,anchor='center') self.listTree.heading("Address", text='Address') self.listTree.column("Address", width=125, minwidth=125, anchor='center') self.listTree.heading("Contact Number", text='Contact Number') self.listTree.column("Contact Number", width=125, minwidth=125, anchor='center') self.listTree.heading("Course", text='Course') self.listTree.column("Course", width=125, minwidth=125, anchor='center') self.listTree.place(x=200,y=360) self.vsb.place(x=1150,y=361,height=287) self.hsb.place(x=200,y=650,width=966) ttk.Style().configure("Treeview",font=('Times new Roman',15)) def ser(): try: conn = mysql.connector.connect(host='localhost', database='crud', user='root', password='') cursor = conn.cursor() cursor.execute("Select * from tbl_student") pc = cursor.fetchall() if pc: self.listTree.delete(*self.listTree.get_children()) for row in pc: self.listTree.insert("",'end',text=row[0] ,values = (row[1],row[2],row[3],row[4],row[5],row[6])) else: messagebox.showinfo("Error", "No Student!") except Error: #print(Error) messagebox.showerror("Error","Something Goes Wrong") def check(): #label and input box self.label3 = Label(self, text='CRUD Operation In Python',fg='black',bg="gray" ,font=('Courier new', 30, 'bold')) self.label3.place(x=350, y=22) self.label6 = Label(self, text="STUDENT INFORMATION DETAILS",bg="gray", font=('Courier new', 15, 'underline', 'bold')) self.label6.place(x=560, y=300) self.button = Button(self, text='View Student(s)', width=25,bg='blue', font=('Courier new', 10), command=ser).place(x=240,y=250) self.button = Button(self, text='Add Student', width=25,bg='green', font=('Courier new', 10), command=sea).place(x=520,y=250) self.brt = Button(self, text="Update Student", width=15,bg='orange', font=('Courier new', 10), command=ib).place(x=800, y=250) self.brt = Button(self, text="Delete Student", width=15,bg='red', font=('Courier new', 10), command=ret).place(x=1000, y=250) check() MainWin().mainloop() |
In this module which is the main module of the system that CRUD function is connected to this module.
This will be the output:
The code given below is for adding data.
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from tkinter import * from tkinter import messagebox from tkinter import filedialog import os import sys import mysql.connector from mysql.connector import Error py = sys.executable #creating window class Add(Tk): def __init__(self): super().__init__() self.maxsize(500,417) self.minsize(500,417) self.title('Add Student') self.canvas = Canvas(width=500, height=417, bg='gray') self.canvas.pack() fname = StringVar() lname = StringVar() cn = StringVar() gender = StringVar() add = StringVar() c = StringVar() #verifying input def asi(): try: self.conn = mysql.connector.connect(host='localhost', database='crud', user='root', password='') self.myCursor = self.conn.cursor() first = fname.get() last = lname.get() contact = cn.get() gend = gender.get() address = add.get() course = c.get() self.myCursor.execute("Insert into tbl_student(FirstName,LastName,Gender,Address,ContactNumber,Course) values (%s,%s,%s,%s,%s,%s)",[first,last,gend,address,contact,course]) self.conn.commit() messagebox.showinfo("Done","Student Inserted Successfully") ask = messagebox.askyesno("Confirm","Do you want to add another student?") if ask: self.destroy() os.system('%s %s' % (py, 'Add.py')) else: self.destroy() self.myCursor.close() self.conn.close() except Error: messagebox.showerror("Error","Something goes wrong") # label and input box Label(self, text='Student Details',bg='gray', fg='white', font=('Courier new', 25, 'bold')).pack() Label(self, text='First Name:', bg='gray', font=('Courier new', 10, 'bold')).place(x=70, y=102) Entry(self, textvariable=fname, width=30).place(x=200, y=104) Label(self, text='Last Name:', bg='gray', font=('Courier new', 10, 'bold')).place(x=70, y=150) Entry(self, textvariable=lname, width=30).place(x=200, y=152) Label(self, text='Gender:', bg='gray', font=('Courier new', 10, 'bold')).place(x=70, y=200) Entry(self, textvariable=gender, width=30).place(x=200, y=202) Label(self, text='Address:', bg='gray', font=('Courier new', 10, 'bold')).place(x=70, y=250) Entry(self, textvariable=add, width=30).place(x=200, y=250) Label(self, text='Contact Number:', bg='gray', font=('Courier new', 10, 'bold')).place(x=70, y=300) Entry(self, textvariable=cn, width=30).place(x=200, y=300) Label(self, text='Course:', bg='gray', font=('Courier new', 10, 'bold')).place(x=70, y=350) Entry(self, textvariable=c, width=30).place(x=200, y=350) Button(self, text="Save", bg='blue', width=15, command=asi).place(x=230, y=380) Add().mainloop() |
In this module which is performing the create function and save into MySQL database.
This will be the output.
The code given below is for Update.
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#import all the modules from tkinter import * import mysql.connector from mysql.connector import Error import tkinter.messagebox conn=mysql.connector.connect(host='localhost', database='crud', user='root', password='') mycursor = conn.cursor() class Database: def __init__(self,master,*args,**kwargs): self.master=master self.heading=Label(master,text="Update Student Information",font=('Courier new', 40),fg='black') self.heading.place(x=100,y=0) #label and entry for id self.id_le=Label(master,text="Enter ID",font=('Courier new', 10)) self.id_le.place(x=0,y=70) self.id_leb=Entry(master,font=('Courier new', 10),width=10) self.id_leb.place(x=380,y=70) self.btn_search=Button(master,text="search",width=8,height=0,bg='orange',command=self.search) self.btn_search.place(x=500,y=70) #lables for the window self.first=Label(master,text="Enter First Name",font=('Courier new', 10,'bold')) self.first.place(x=0,y=120) self.last=Label(master,text="Enter Last Name",font=('Courier new', 10,'bold')) self.last.place(x=0,y=170) self.gender = Label(master, text="Enter Gender ", font=('Courier new', 10,'bold')) self.gender.place(x=0, y=220) self.address = Label(master, text="Enter Address", font=('Courier new', 10,'bold')) self.address.place(x=0, y=270) self.contact = Label(master, text="Enter Contact", font=('Courier new', 10,'bold')) self.contact.place(x=0, y=320) self.course = Label(master, text="Enter Course ", font=('Courier new', 10,'bold')) self.course.place(x=0, y=370) #enteries for window self.first=Entry(master,width=25,font=('Courier new', 10,'bold')) self.first.place(x=380,y=120) self.last = Entry(master, width=25, font=('Courier new', 10,'bold')) self.last.place(x=380, y=170) self.gender = Entry(master, width=25, font=('Courier new', 10,'bold')) self.gender.place(x=380, y=220) self.address = Entry(master, width=25, font=('Courier new', 10,'bold')) self.address.place(x=380, y=270) self.contact = Entry(master, width=25, font=('Courier new', 10,'bold')) self.contact.place(x=380, y=320) self.course = Entry(master, width=25, font=('Courier new', 10,'bold')) self.course.place(x=380, y=370) #button to add to the database self.btn_add=Button(master,text='Update Student',width=27,height=1,bg='green',fg='white',command=self.update) self.btn_add.place(x=380,y=420) def search(self, *args, **kwargs): mycursor.execute("SELECT * FROM tbl_student WHERE Stud_ID=%s",[self.id_leb.get()]) result = mycursor.fetchall() for r in result: self.n1 = r[1] self.n2 = r[2] self.n3 = r[3] self.n4 = r[4] self.n5 = r[5] self.n6 = r[6] conn.commit() #inster into the enteries to update self.first.delete(0,END) self.first.insert(0, str(self.n1)) self.last.delete(0, END) self.last.insert(0, str(self.n2)) self.gender.delete(0, END) self.gender.insert(0, str(self.n3)) self.address.delete(0, END) self.address.insert(0, str(self.n4)) self.contact.delete(0, END) self.contact.insert(0, str(self.n5)) self.course.delete(0, END) self.course.insert(0, str(self.n6)) def update(self,*args,**kwargs): self.u1=self.first.get() self.u2 = self.last.get() self.u3 = self.gender.get() self.u4 = self.address.get() self.u5 = self.contact.get() self.u6 = self.course.get() mycursor.execute("UPDATE tbl_student SET FirstName=%s,LastName=%s,Gender=%s,Address=%s,ContactNumber=%s,Course=%s WHERE Stud_ID=%s",[self.u1,self.u2,self.u3,self.u4,self.u5,self.u6,self.id_leb.get()]) conn.commit() tkinter.messagebox.showinfo("Success","Update Student successfully") root=Tk() b=Database(root) root.geometry("1000x760+0+0") root.title("Update Student Information") root.mainloop() |
In this module which is the update function of the system.
This will be the Output:
The code given below is for delete.
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from tkinter import * from tkinter import messagebox import mysql.connector from mysql.connector import Error #creating widow class Rem(Tk): def __init__(self): super().__init__() self.maxsize(400, 200) self.minsize(400, 200) self.title("Delete Student") self.canvas = Canvas(width=1366, height=768, bg='gray') self.canvas.pack() a = StringVar() def ent(): if len(a.get()) ==0: messagebox.showinfo("Error","Please Enter A Valid Id") else: d = messagebox.askyesno("Confirm", "Are you sure you want to delete the Student?") if d: try: self.conn = mysql.connector.connect(host='localhost', database='crud', user='root', password='') self.myCursor = self.conn.cursor() self.myCursor.execute("Delete from tbl_student where Stud_ID = %s",[a.get()]) self.conn.commit() self.myCursor.close() self.conn.close() messagebox.showinfo("Confirm","Student Deleted Successfully") a.set("") except: messagebox.showerror("Error","Something goes wrong") Label(self, text = "Enter Student Id: ",bg='gray',fg='black',font=('Courier new', 15, 'bold')).place(x = 5,y = 40) Entry(self,textvariable = a,width = 20).place(x = 210,y = 44) Button(self, text='Delete', width=15, font=('arial', 10),command = ent).place(x=200, y = 90) Rem().mainloop() |
In this module which is the delete function of the system.
This will be the output:
Questions
-CRUD In Python is a simple way on how to create, read, update and delete the data in the database using the python programming language and MySQL or any Database.
-To run the CRUD Operations In Python First download the sourcecode given below.
-Second, extract the zip file that you have downloaded.
-Third, open the unzip file in your PyCharm IDE.
-Fourth, import the sql file in your database.
-Fifth, you are free to explore and manage the project given.
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Summary
The CRUD Operations In Python, is written in a python programming language and MySQL database, In this tutorial you will learn how to perform CRUD operations in Python with the MySQL database .
This project contains the following python script (CRUD.py) which is the main module of this project.(Add.py) which is the create module of this project.(Update.py) which is the update module, and last (Delete.py) which is the delete module of this project.
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Inquiries
If you have any questions or suggestions about CRUD Operations In Python, please feel free to leave a comment below.
Really informative article post.Thanks Again.