import Tkinter as tk
import tkMessageBox as tkm
import ScrolledText as tkst
from tkFileDialog import askopenfilename
import time
import os
import pdfkit
from reportlab.pdfgen import canvas
from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.lib.units import inch
import cgi
import tempfile
import win32api
class ResizingCanvas(tk.Canvas):
def __init__(self, parent, **kwargs):
tk.Canvas.__init__(self, parent, **kwargs)
self.bind("<Configure>", self.on_resize)
self.height = self.winfo_reqheight()
self.width = self.winfo_reqwidth()
def on_resize(self, event):
# determine the ratio of old width/height to new width/height
wscale = float(event.width) / self.width
hscale = float(event.height) / self.height
self.width = event.width
self.height = event.height
# resize the canvas
self.config(width=self.width, height=self.height)
# rescale all the objects tagged with the "all" tag
self.scale("all", 0, 0, wscale, hscale)
class MainApplication:
def __init__(self, master):
self.master = master
self.canvas = tk.Canvas(master, width=450, height=500)
# to make a frame
self.frame = tk.Frame(master, bg='white')
# to place a menu item in the window
self.menu = tk.Menu(master)
master.config(menu=self.menu)
# all the commands for the submenu File
self.subMenu_file = tk.Menu(self.menu)
self.menu.add_cascade(label="File", menu=self.subMenu_file)
self.subMenu_file.add_command(label="Open",
command=self.open_file)
self.subMenu_file.add_command(label="Save",
command=self.save_report_pdf)
self.subMenu_file.add_separator()
self.subMenu_file.add_command(label="Print", command=self.print_file)
self.subMenu_file.add_separator()
self.subMenu_file.add_command(label="Exit", command=master.destroy)
# all the commands for the submenu Help
self.subMenu_help = tk.Menu(self.menu)
self.menu.add_cascade(label="Help", menu=self.subMenu_help)
self.subMenu_help.add_command(label="Help", command=self.open_help)
self.subMenu_help.add_command(label="Print Diag",
command=self.open_wiring_diag)
############################################################################################
# Frame general information
# this frame is placed in the original frame
self.frame_gen_inf = tk.Frame(self.frame, bd='10', padx=3, pady=3)
self.label_gen_inf = tk.Label(self.frame_gen_inf,
text='General Information',
bd='3', fg='blue', font='Helvetica 9 bold')
self.label_operator = tk.Label(self.frame_gen_inf, text='Name',
bd='3')
self.label_vessel = tk.Label(self.frame_gen_inf, text='ID no.', bd='3')
self.entry_operator = tk.Entry(self.frame_gen_inf, bd='3',
justify="center")
self.entry_vessel = tk.Entry(self.frame_gen_inf, bd='3',
justify="center")
# place used to place the widgets in the frame
self.label_gen_inf.place(relx=0.009, rely=0.009, relheight=0.25)
self.label_operator.place(relx=0.08, rely=0.45, relheight=0.25)
self.entry_operator.place(relx=0.22, rely=0.45, relwidth=0.2,
relheight=0.3)
self.label_vessel.place(relx=0.55, rely=0.45, relheight=0.25)
self.entry_vessel.place(relx=0.66, rely=0.45, relwidth=0.25,
relheight=0.3)
############################################################################################
# frame test Selection
self.frame_test = tk.Frame(self.frame, bd='10', padx=3, pady=3)
self.label_test = tk.Label(self.frame_test, text='Test Selection',
bd='3', fg='blue', font='Helvetica 9 bold')
# variables for the checkboxes
self.check_but_1 = tk.IntVar()
self.check_but_2 = tk.IntVar()
self.check_but_3 = tk.IntVar()
self.check_but_4 = tk.IntVar()
self.check_but_5 = tk.IntVar()
# checkboxes, the results can be read usig the check_but var,get funct
self.check_button_1 = tk.Checkbutton(self.frame_test,
text="1", variable=self.check_but_1, onvalue=1, offvalue=0)
self.check_button_2 = tk.Checkbutton(self.frame_test,
text="2", variable=self.check_but_2, onvalue=1, offvalue=0)
self.check_button_3 = tk.Checkbutton(self.frame_test,
text="3", variable=self.check_but_3, onvalue=1, offvalue=0)
self.check_button_4 = tk.Checkbutton(self.frame_test,
text="4", variable=self.check_but_4, onvalue=1, offvalue=0)
self.check_button_5 = tk.Checkbutton(self.frame_test,
text="5", variable=self.check_but_5, onvalue=1, offvalue=0)
# placing all the checkboxes
self.label_test.place(relx=0.009, rely=0.009, relheight=0.25)
self.check_button_1.place(relx=0.009, rely=0.45,
relheight=0.25, relwidth=0.15)
self.check_button_2.place(relx=0.20, rely=0.45,
relheight=0.25, relwidth=0.15)
self.check_button_3.place(relx=0.40, rely=0.45,
relheight=0.25, relwidth=0.15)
self.check_button_4.place(relx=0.60, rely=0.45,
relheight=0.25, relwidth=0.15)
self.check_button_5.place(relx=0.80, rely=0.45,
relheight=0.25, relwidth=0.15)
##########################################################################################
# frame for the Results
self.frame_results = tk.Frame(self.frame, bd='10')
self.canvas_result = ResizingCanvas(self.frame_results)
self.canvas_result.place(relx=0, rely=0, relheight=1, relwidth=1)
self.label_results = tk.Label(self.frame_results, text='Result',
bd='1', fg='blue', font='Helvetica 9 bold')
# Labels for different options
self.label_1 = tk.Label(self.frame_results, text='1')
self.label_2 = tk.Label(self.frame_results, text='2')
self.label_3 = tk.Label(self.frame_results, text='3')
self.label_4 = tk.Label(self.frame_results, text='4')
self.label_5 = tk.Label(self.frame_results, text='5')
# placing all the labels
self.label_results.place(relx=0.025, rely=0.009, relheight=0.25)
self.label_1.place(relx=0.009, rely=0.30, relheight=0.25, relwidth=0.15)
self.label_2.place(relx=0.20, rely=0.30, relheight=0.25, relwidth=0.15)
self.label_3.place(relx=0.40, rely=0.30, relheight=0.25, relwidth=0.15)
self.label_4.place(relx=0.60, rely=0.30, relheight=0.25, relwidth=0.15)
self.label_5.place(relx=0.80, rely=0.30, relheight=0.25, relwidth=0.15)
# creating the circles to display the result
rad_x = 5.5
rad_y = 22
self.result_1 = self.canvas_result.create_oval(22 - rad_x,
190 - rad_y, 22 + rad_x, 190 + rad_y, fill="green",
outline="#DDD", width=2)
self.result_2 = self.canvas_result.create_oval(95 - rad_x,
190 - rad_y, 95 + rad_x, 190 + rad_y, fill="green",
outline="#DDD", width=2)
self.result_3 = self.canvas_result.create_oval(172 - rad_x,
190 - rad_y, 172 + rad_x, 190 + rad_y, fill="red",
outline="#DDD", width=2)
self.result_4 = self.canvas_result.create_oval(248 - rad_x,
190 - rad_y, 248 + rad_x, 190 + rad_y, fill="green",
outline="#DDD", width=2)
self.result_5 = self.canvas_result.create_oval(325 - rad_x,
190 - rad_y, 325 + rad_x, 190 + rad_y, fill="gray",
outline="#DDD", width=2)
# Text for the result LED's
self.label_result_1 = self.canvas_result.create_text((45, 190),
text="")
self.label_result_2 = self.canvas_result.create_text((118, 190),
text="OK")
self.label_result_3 = self.canvas_result.create_text((195, 190),
text="OK")
self.label_result_4 = self.canvas_result.create_text((271, 190),
text="OK")
self.label_result_5 = self.canvas_result.create_text((348, 190),
text="OK")
###########################################################################################
# frame for the Status
self.frame_status = tk.Frame(self.frame, bd='10', padx=3, pady=3)
self.label_status = tk.Label(self.frame_status, text='Status', bd='3',
fg='blue', font='Helvetica 9 bold')
self.edit_space = tkst.ScrolledText(master=self.frame_status,
wrap='word', bg='white')
self.edit_space.place(relx=0, rely=0.13, relheight=0.9, relwidth=1)
self.label_status.place(relx=0.009, rely=0, relheight=0.11)
############################################################################################
# placing the buttons below
self.frame_button = tk.Frame(self.frame, bd='3', padx=3, pady=3)
self.button_start = tk.Button(self.frame_button, text='Begin',
command=self.start_clicked)
self.button_cancel = tk.Button(self.frame_button, text='Cancel',
command=master.destroy)
self.button_start.place(relx=0.6, rely=0.22, relheight=0.8,
relwidth=0.18)
self.button_cancel.place(relx=0.8, rely=0.22, relheight=0.8,
relwidth=0.18)
###############################################################################################
# all the frames are placed in their respective positions
self.frame_gen_inf.place(relx=0.005, rely=0.005, relwidth=0.99,
relheight=0.18)
self.frame_test.place(relx=0.005, rely=0.190, relwidth=0.99,
relheight=0.18)
self.frame_results.place(relx=0.005, rely=0.375, relwidth=0.99,
relheight=0.18)
self.frame_status.place(relx=0.005, rely=0.560, relwidth=0.99,
relheight=0.35)
self.frame_button.place(relx=0.005, rely=0.915, relwidth=0.99,
relheight=0.08)
self.frame.place(relx=0.02, rely=0.02, relwidth=0.96, relheight=0.96)
self.canvas.pack()
##############################################################################################
# To save the report as a txt file change the function in the menu command above
def save_report_txt(self):
text_report = self.edit_space.get("1.0", 'end-1c')
tkm.showinfo('Message Info', 'Saving file with current time')
local_time = time.strftime("%m_%d_%Y_%H_%M_%S")
with open("Report " + str(local_time) + ".txt", "a") as outf:
outf.write(text_report)
# To save the report in pdf format, saves whatever is in the status box
def save_report_pdf(self):
text_report = self.edit_space.get("1.0", 'end-1c')
tkm.showinfo('Message Info', 'Saving file with current time')
local_time = time.strftime("%m_%d_%Y_%H_%M_%S")
pdf_file_name = "Report " + str(self.entry_operator) + " " + str(self.entry_vessel) + " " +\
str(local_time) + ".pdf"
doc = SimpleDocTemplate(pdf_file_name)
styles = getSampleStyleSheet()
h3 = styles["h3"]
normal = styles["Normal"]
text = text_report
# print(text)
story = [Paragraph("Report", h3)]
if text:
story.append(Paragraph(text, normal))
story.append(Spacer(1, 0.1 * inch))
doc.build(story)
# To print the report in pdf format, prints whatever is in the status box
def print_file(self):
text_report = self.edit_space.get("1.0", 'end-1c')
tkm.showinfo('Message Info', 'Printing and Saving the Report')
local_time = time.strftime("%m_%d_%Y_%H_%M_%S")
pdf_file_name = "Report " + str(local_time) + ".pdf"
doc = SimpleDocTemplate(pdf_file_name)
styles = getSampleStyleSheet()
h3 = styles["h3"]
normal = styles["Normal"]
text = text_report
# print(text)
story = [Paragraph("Report", h3)]
if text:
story.append(Paragraph(text, normal))
story.append(Spacer(1, 0.1 * inch))
doc.build(story)
win32api.ShellExecute(0, "print", pdf_file_name, None, ".", 0)
# let's the user open up any kind of file from the computer with the GUI
def open_file(self):
self.master.fileName = askopenfilename(title="Select file")
# print(self.master.fileName)
if self.master.fileName:
os.startfile(self.master.fileName)
# To open up the help document
def open_help(self):
help_add = "Help.txt"
if help_add:
os.startfile(help_add)
else:
tkm.showinfo('Message Info', "Sorry the help isn't available")
# To open the wiring diagram
def open_wiring_diag(self):
diag_add = "wiring_diagram.jpg"
if diag_add:
os.startfile(diag_add)
else:
tkm.showinfo('Message Info', "Sorry the help isn't available")
# This function is called when the start button is clicked
def start_clicked(self):
print("Start is clicked")
print('the Operator is: ', self.entry_operator.get())
print("the vessel Number is: ", self.entry_vessel.get())
if self.check_but_1.get() == 1:
print("Testing for ESM 1")
if self.check_but_2.get() == 1:
print("Testing for ESM 2")
# This function is just a test function assigned to buttons which don't have a specifc function
def nothing(self):
print("I am working perfectly")
window = tk.Tk()
window.title("Example for Tkinter")
c = MainApplication(window)
window.mainloop() # keeps the application open
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When ever you want to perform a set of operations based on a condition IF-ELSE is used.
if conditional-expression
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elif conditional-expression
#code
else:
#code
Indentation is very important in Python, make sure the indentation is followed correctly
For loop is used to iterate over arrays(list, tuple, set, dictionary) or strings.
mylist=("Iphone","Pixel","Samsung")
for i in mylist:
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While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.
while condition
#code
There are four types of collections in Python.
List is a collection which is ordered and can be changed. Lists are specified in square brackets.
mylist=["iPhone","Pixel","Samsung"]
print(mylist)
Tuple is a collection which is ordered and can not be changed. Tuples are specified in round brackets.
myTuple=("iPhone","Pixel","Samsung")
print(myTuple)
Below throws an error if you assign another value to tuple again.
myTuple=("iPhone","Pixel","Samsung")
print(myTuple)
myTuple[1]="onePlus"
print(myTuple)
Set is a collection which is unordered and unindexed. Sets are specified in curly brackets.
myset{"iPhone","Pixel","Samsung"}
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}
print(mydict)