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Wednesday, March 29, 2023

Convert Python Flask App to exe File || Convert py to exe file

Convert Python Flask App to exe File || Convert py to exe file

https://flask.palletsprojects.com/en/2.2.x/installation/
 
Create an environment
C:\flask_dev>py -3 -m venv venv

Activate the environment
C:\flask_dev>venv\Scripts\activate

Install Flask
venv C:\flask_dev>pip install Flask

C:\flask_dev\flasktoexe\app.py
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#C:\flask_dev\flasktoexe\app.py
from flask import Flask,render_template
 
import webview
 
app = Flask(__name__, static_folder='./static', template_folder='./templates')
 
@app.route('/')
def home():
    return render_template("index.html",name='cairocoders Home page')
 
@app.route('/page2')
def page2():
    return render_template("page2.html",name='cairocoders page 2')
     
webview.create_window('Flask to exe', app)
 
if __name__ == '__main__':
    #app.run(debug=True)
    webview.start()
install pywebview
pywebview is a lightweight cross-platform wrapper around a webview component that allows to display HTML content in its own native GUI window.
https://pypi.org/project/pywebview/
C:\flask_dev>pip install pywebview

templates/index.html
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//templates/index.html
<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title>Calculator</title>
    <link href="{{ url_for('static',filename='style.css') }}" rel="stylesheet">
    <script src="{{ url_for('static',filename='script.js') }}" defer></script>
  </head>
  <body>
    <div class="calculator-grid">
    <div class="output">
    <div data-previous-operand class="previous-operand"></div>
    <div data-current-operand class="current-operand"></div>
    </div>
    <button data-all-clear class="span-two">AC</button>
    <button data-delete class="operation">DEL</button>
    <button data-operation class="operation">÷</button>
    <button data-number>1</button>
    <button data-number>2</button>
    <button data-number>3</button>
    <button data-operation class="operation">*</button>
    <button data-number>4</button>
    <button data-number>5</button>
    <button data-number>6</button>
    <button data-operation class="operation">+</button>
    <button data-number>7</button>
    <button data-number>8</button>
    <button data-number>9</button>
    <button data-operation class="operation">-</button>
    <button data-number>.</button>
    <button data-number>0</button>
    <button data-equals class="span-two">=</button>
 
    </div>
    <a href="/page2">Page 2</a>
  </body>
</html>
templates/page2.html
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//templates/page2.html
<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title>Page 2</title>
  </head>
  <body>
<h1>Page2</h1>
<a href="/">Home</a>
  </body>
</html>
static/style.html
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//static/style.html
*, *::before, *::after {
  box-sizing: border-box;
  font-family: Gotham Rounded, sans-serif;
  font-weight: normal;
}
 
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(to right, #0187d0, #a5c2c8);
  }
 
  .calculator-grid {
    display: grid;
    justify-content: center;
    align-content: center;
    min-height: 100vh;
    grid-template-columns: repeat(4, 100px);
    grid-template-rows: minmax(120px, auto) repeat(5, 100px);
    }
 
    .calculator-grid > button {
      cursor: pointer;
      font-size: 2rem;
      border: 1px, solid #FFFFFF;
      outline: none;    
    }
 
      .calculator-grid > button:hover {
        background-color: #a5a5a5;
      }
 
      .span-two {
        grid-column: span 2;
        color: #adf802;
        background-color: #fd9502;
      }
      .operation {
        color: #ffffff;
        background-color: #fd9502;
      }
      .output{
        grid-column: 1 / -1;
        background-color: rgba(0, 0, 0, 0.75);
        display: flex;
        align-items: flex-end;
        justify-content: space-around;
        flex-direction: column;
        padding: 10px;
        word-wrap: break-word;
        word-break: break-all;
      }
 
      .output .previous-operand{
        color: rgba(255,255, 255, 0.75);
        font-size: 1.5rem;
      }
 
      .output .current-operand{
        color: white;
        font-size: 2.5rem;
      }
static/script.js
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//static/script.js
class Calculator {
    constructor(previousOperandTextElement, currentOperandTextElement) {
      this.previousOperandTextElement = previousOperandTextElement
      this.currentOperandTextElement = currentOperandTextElement
      this.clear()
    }
   
    clear() {
      this.currentOperand = ''
      this.previousOperand = ''
      this.operation = undefined
    }
   
    delete() {
      this.currentOperand = this.currentOperand.toString().slice(0, -1)
    }
   
    appendNumber(number) {
      if (number === '.' && this.currentOperand.includes('.')) return
      this.currentOperand = this.currentOperand.toString() + number.toString()
    }
   
    chooseOperation(operation) {
      if (this.currentOperand === '') return
      if (this.previousOperand !== '') {
        this.compute()
      }
      this.operation = operation
      this.previousOperand = this.currentOperand
      this.currentOperand = ''
    }
   
    compute() {
      let computation
      const prev = parseFloat(this.previousOperand)
      const current = parseFloat(this.currentOperand)
      if (isNaN(prev) || isNaN(current)) return
      switch (this.operation) {
        case '+':
          computation = prev + current
          break
        case '-':
          computation = prev - current
          break
        case '*':
          computation = prev * current
          break
        case '÷':
          computation = prev / current
          break
        default:
          return
      }
      this.currentOperand = computation
      this.operation = undefined
      this.previousOperand = ''
    }
   
    getDisplayNumber(number) {
      const stringNumber = number.toString()
      const integerDigits = parseFloat(stringNumber.split('.')[0])
      const decimalDigits = stringNumber.split('.')[1]
      let integerDisplay
      if (isNaN(integerDigits)) {
        integerDisplay = ''
      } else {
        integerDisplay = integerDigits.toLocaleString('en', { maximumFractionDigits: 0 })
      }
      if (decimalDigits != null) {
        return `${integerDisplay}.${decimalDigits}`
      } else {
        return integerDisplay
      }
    }
   
    updateDisplay() {
      this.currentOperandTextElement.innerText =
        this.getDisplayNumber(this.currentOperand)
      if (this.operation != null) {
        this.previousOperandTextElement.innerText =
          `${this.getDisplayNumber(this.previousOperand)} ${this.operation}`
      } else {
        this.previousOperandTextElement.innerText = ''
      }
    }
  }
   
   
  const numberButtons = document.querySelectorAll('[data-number]')
  const operationButtons = document.querySelectorAll('[data-operation]')
  const equalsButton = document.querySelector('[data-equals]')
  const deleteButton = document.querySelector('[data-delete]')
  const allClearButton = document.querySelector('[data-all-clear]')
  const previousOperandTextElement = document.querySelector('[data-previous-operand]')
  const currentOperandTextElement = document.querySelector('[data-current-operand]')
   
  const calculator = new Calculator(previousOperandTextElement, currentOperandTextElement)
   
  numberButtons.forEach(button => {
    button.addEventListener('click', () => {
      calculator.appendNumber(button.innerText)
      calculator.updateDisplay()
    })
  })
   
  operationButtons.forEach(button => {
    button.addEventListener('click', () => {
      calculator.chooseOperation(button.innerText)
      calculator.updateDisplay()
    })
  })
   
  equalsButton.addEventListener('click', button => {
    calculator.compute()
    calculator.updateDisplay()
  })
   
  allClearButton.addEventListener('click', button => {
    calculator.clear()
    calculator.updateDisplay()
  })
   
  deleteButton.addEventListener('click', button => {
    calculator.delete()
    calculator.updateDisplay()
  })
   
  document.addEventListener('keydown', function (event) {
    let patternForNumbers = /[0-9]/g;
    let patternForOperators = /[+\-*\/]/g
    if (event.key.match(patternForNumbers)) {
      event.preventDefault();
      calculator.appendNumber(event.key)
      calculator.updateDisplay()
    }
    if (event.key === '.') {
      event.preventDefault();
      calculator.appendNumber(event.key)
      calculator.updateDisplay()
    }
    if (event.key.match(patternForOperators)) {
      event.preventDefault();
      calculator.chooseOperation(event.key)
      calculator.updateDisplay()
    }
    if (event.key === 'Enter' || event.key === '=') {
      event.preventDefault();
      calculator.compute()
      calculator.updateDisplay()
    }
    if (event.key === "Backspace") {
      event.preventDefault();
      calculator.delete()
      calculator.updateDisplay()
    }
    if (event.key == 'Delete') {
      event.preventDefault();
      calculator.clear()
      calculator.updateDisplay()
    }
   
  });
run (venv) C:\flask_dev\flasktoexe>flask run

convert to exe file

install Auto PY to EXE
Converts .py to .exe using a simple graphical interface.

https://pypi.org/project/auto-py-to-exe/
C:\>pip install auto-py-to-exe

execute terminal:
C:\>auto-py-to-exe

Posted by ednalan at 9:08 PM . Under .

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