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from tkinter import *
from tkinter import ttk
from tkinter import font as tkfont 

import requests
from requests.exceptions import HTTPError
import pymysql 
import pprint
import time
import asyncio  


root = Tk()
root.resizable(False, False)
root.title("MyApp")
root.geometry('600x300')

s = ttk.Style()

# - Vars
canvas_width = 600
canvas_height = 100

API_host = "http://examle.com/api/"

# - MySQL
db = pymysql.connect("11.11.11.12","username","password","dbname")
mySqlCursor = db.cursor()


# ---------------------------------------- FRAME login ----------------------------------------
def create_login():

    root.geometry('600x300')

    # create main-frame
    frame_login_content = ttk.Frame(root, padding=(0,0,0,0))       
    
    # create login-form into main-frame
    login_form = ttk.Frame(frame_login_content, padding=(0,1,1,1))    

    labelframeLogin = ttk.LabelFrame(login_form, text = "Please login: ")
    labelframeLogin.pack(expand="yes", padx=15, pady=15)               

    labelUser = ttk.Label(labelframeLogin, text='Usr:') 
    entryUser = ttk.Entry(labelframeLogin)         
    labelPwd = ttk.Label(labelframeLogin, text='Pwd:')  
    entryPwd = ttk.Entry(labelframeLogin)     
       
    button1 = ttk.Button(login_form, text = "Login", width = 20, command = lambda: doLogin(entryUser.get(), entryPwd.get()))
    button1.pack(padx=10, pady=10)

    # layut - grid
    frame_login_content.grid(column=0, row=0, sticky=(N, S, E, W))
    login_canvas.grid(column=0, row=0, sticky=(E, W))
    login_form.grid(column=0, row=1, sticky=(E, W), padx=10, pady=10)


    labelUser.grid(column=1, row=2, sticky=(E, W), padx=10, pady=3)
    entryUser.grid(column=2, row=2, sticky=(E, W), padx=10, pady=3)
    labelPwd.grid(column=1, row=3, sticky=(E, W), padx=10, pady=3)
    entryPwd.grid(column=2, row=3, sticky=(E, W), padx=10, pady=3)

    # weight elements
    root.columnconfigure(0, weight=1)
    root.rowconfigure(0, weight=1)
    frame_login_content.columnconfigure(0, weight=3)
    frame_login_content.columnconfigure(1, weight=3)
    frame_login_content.columnconfigure(2, weight=3)
    frame_login_content.columnconfigure(3, weight=1)
    frame_login_content.columnconfigure(4, weight=1)
    frame_login_content.rowconfigure(1, weight=1)

    return frame_login_content


# ---------------------------------------- FRAME loader ----------------------------------------
def create_loader(msg): 

    global actualFrame

    actualFrame2 = actualFrame
    actualFrame2.destroy()   

    # create main-frame
    frame_loader_content = ttk.Frame(root, padding=(0,0,0,0))   
    actualFrame = frame_loader_content

    login_title = ttk.Label(frame_loader_content, text = "Bitte warten", anchor="center") 
    login_msg = ttk.Label(frame_loader_content, text = msg, anchor="center", foreground = "#666666")

    frame_loader_content.grid(column=0, row=0, sticky=(N, S, E, W), padx=10, pady=10)
    login_title.grid(column=0, row=0, columnspan=5, sticky=(E, W), padx=10, pady=3)
    login_msg.grid(column=0, row=1, columnspan=5, sticky=(E, W), padx=10, pady=3)

    root.geometry('600x80')

    # weight elements
    root.columnconfigure(0, weight=1)
    root.rowconfigure(0, weight=1)
    frame_loader_content.columnconfigure(0, weight=3)  

    return frame_loader_content

   
# ---------------------------------------- FRAME content ----------------------------------------
def create_content():    

    create_loader("Requestion API")

    # - request API
    p = makeRestCall(API_host, {})

   # - check if request worked
    try:   
        request Check = len(p) 

    except:
        create_loader("ERROR - request-JSON is currupt") 

    else:         
        create_loader("request ok")
        contentFrame = buildContentFrame(p)

        return contentFrame
       

# ---------------------------------------- FUNCTIONS ----------------------------------------
def doLogin(u,p):    

    create_loader('Logging in')

    # - Perform login and check result
    # .....
        
    for x in myresult: 
        if x["USERID"]:
            logInCheck = 1 

    if logInCheck == 1: 
        create_loader("Login successfull")
        create_content()
    else:        
        create_login()



# - call first frame 
actualFrame = create_login()

root.mainloop()