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uqmsa_payments.py
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# Copyright (C) 2015 Thuan Song Teoh
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Version 1.7
# 3/2/2015
import stripe
from Tkinter import *
import tkMessageBox
import logging
import threading
import time
import textwrap
import sys
import os
class PaymentApp(object):
def __init__(self,master):
self._status=(True,'')
logging.basicConfig(format='%(asctime)s - %(levelname)s:%(message)s',
filename='uqmsa_payment.log',level=logging.INFO)
self._master=master
self._master.title('UQMSA Payments')
# Change this path if required
self._master.iconbitmap(os.path.join(os.path.dirname(sys.argv[0]),
'logo.ico'))
self._setup_screen()
self._setup_widgets()
def _setup_screen(self):
ScreenSizeX=root.winfo_screenwidth()
ScreenSizeY=root.winfo_screenheight()
ScreenRatio=0.3
FrameSizeX=int(ScreenSizeX*ScreenRatio)
FrameSizeY=int(ScreenSizeY*ScreenRatio)
FramePosX=(ScreenSizeX-FrameSizeX)/2
FramePosY=(ScreenSizeY-FrameSizeY)/2
self._master.geometry('%sx%s+%s+%s'%(FrameSizeX,FrameSizeY,
FramePosX,FramePosY))
self._master.resizable(width=FALSE,height=FALSE)
def _setup_widgets(self):
frame_root=Frame(root)
frame_lbl=Frame(frame_root)
frame_entry=Frame(frame_root)
Label(frame_lbl,text='Description').pack(fill=BOTH,expand=1)
self._entry_desc=Entry(frame_entry)
self._entry_desc.pack(fill=BOTH,expand=1)
Label(frame_lbl,text='Email').pack(fill=BOTH,expand=1)
self._entry_email=Entry(frame_entry)
self._entry_email.pack(fill=BOTH,expand=1)
Label(frame_lbl,text='Amount (Dollars)').pack(fill=BOTH,expand=1)
self._entry_amnt=Entry(frame_entry)
self._entry_amnt.pack(fill=BOTH,expand=1)
Label(frame_lbl,text='Token').pack(fill=BOTH,expand=1)
self._entry_tkn=Entry(frame_entry)
self._entry_tkn.pack(fill=BOTH,expand=1)
Label(frame_lbl,text='API Key').pack(fill=BOTH,expand=1)
self._entry_api=Entry(frame_entry)
self._entry_api.pack(fill=BOTH,expand=1)
frame_lbl.pack(fill=BOTH,expand=1,side=LEFT)
frame_entry.pack(fill=BOTH,expand=1,side=LEFT)
frame_root.pack(fill=BOTH,expand=1)
self._btn=Button(root,text='Submit',command=self._send)
self._btn.pack()
self._lbl_status=Label(root)
self._lbl_status.pack(fill=BOTH,expand=1)
def _send(self):
check=self._verify()
if (not check[0]):
tkMessageBox.showerror('Error',check[1])
else:
amnt_dlr=self._entry_amnt.get().strip()
if tkMessageBox.askyesno('Submit','Charge this person with $' +
amnt_dlr + '?'):
desc=self._entry_desc.get().strip()
email=self._entry_email.get().strip()
amnt=int(round(float(amnt_dlr)*100))
tkn=self._entry_tkn.get().strip()
stripe.api_key=self._entry_api.get().strip()
self._toggle('disabled')
t1=threading.Thread(target=self._query,args=(desc,email,amnt,tkn))
t1.start()
t2=threading.Thread(target=self._check_query,args=(t1,))
t2.start()
else:
logging.info('Transaction of $%s cancelled',amnt_dlr)
logging.info('------------------')
def _query(self,desc,email,amnt,tkn):
try:
logging.info('Charging %d cents for %s',amnt,desc)
charge=stripe.Charge.create(amount=amnt,
currency='aud',
card=tkn,
description=desc,
receipt_email=email)
logging.info('Success!')
logging.info('------------------')
self._status=(True,'')
except Exception, e:
logging.error(str(e))
logging.error('------------------')
self._status=(False,textwrap.fill(str(e),50))
def _check_query(self,t):
t.join()
self._toggle('normal')
if (self._status[0]):
self._lbl_status.configure(fg='blue',text='Success!')
self._entry_desc.delete(0,END)
self._entry_email.delete(0,END)
self._entry_amnt.delete(0,END)
self._entry_tkn.delete(0,END)
else:
self._lbl_status.configure(fg='red',text=self._status[1])
def _toggle(self,stat):
if (stat == 'disabled'):
txt='Please wait...'
else:
txt='Submit'
self._entry_desc.configure(state=stat)
self._entry_email.configure(state=stat)
self._entry_amnt.configure(state=stat)
self._entry_tkn.configure(state=stat)
self._entry_api.configure(state=stat)
self._btn.configure(state=stat,text=txt)
def _verify(self):
status=True
msg=''
if (self._entry_desc.get().strip() == ''):
status=False
msg='Please enter a short description'
elif (self._entry_email.get().strip() == ''):
status=False
msg='Please enter email address of payer'
elif (self._entry_amnt.get().strip() == '' or
not self._is_num(self._entry_amnt.get().strip())):
status=False
msg='Please enter a valid amount, minimum is 50 cents'
elif (self._entry_tkn.get().strip() == ''):
status=False
msg='Please enter the token'
elif (self._entry_api.get().strip() == ''):
status=False
msg='Please enter the API key'
return status,msg
def _is_num(self,num):
try:
num=float(num)
if (num >= 0.5):
return True
else:
return False
except ValueError:
return False
root=Tk()
PaymentApp(root)
root.mainloop()