Regex pubkey

gui-tkinter.py

@@ -13,10 +13,21 @@ Website: www.zetcode.com
 from tkinter import Tk, Text, TOP, BOTH, X, N, LEFT
 from tkinter.ttk import Frame, Label, Entry, Button
 from libs.paylib import Transaction
+import sys, threading
 
+class StdoutRedirector(object):
+    def __init__(self, text_widget):
+        self.text_widget = text_widget
+ 
+    def write(self, s):
+        self.text_widget.insert('end', s)
+        self.text_widget.see('end')
+
+    def flush(self):
+        pass
+ 
 
 class Pay(Frame):
-
     def __init__(self):
         super().__init__()
 
@@ -39,8 +50,8 @@ class Pay(Frame):
         frame2.pack(fill=X)
         AmountLabel = Label(frame2, text="Montant:", width=12)
         AmountLabel.pack(side=LEFT, padx=5, pady=5)
-        self.AmountEntry = Entry(frame2)
-        self.AmountEntry.pack(fill=X, padx=5, expand=True)
+        self.AmountEntry = Entry(frame2, width=7)
+        self.AmountEntry.pack(side=LEFT, padx=5)
 
         frame3 = Frame(self)
         frame3.pack(fill=X)
@@ -54,22 +65,36 @@ class Pay(Frame):
         self.sendButton = Button(frame4, text="Envoyer", command=self.ProceedPaiement)
         self.sendButton.pack(side=LEFT, padx=5, pady=5, expand=True)
 
-    def ProceedPaiement(self):
-        recipient = str(self.recipientEntry.get())
-        amount = int(self.AmountEntry.get())
-        comment = str(self.commentEntry.get())
-        print("Paiement en cours ... " + recipient)
+        frame5 = Frame(self, width=200, height=300)
+        frame5.pack()
+        self.textbox = Text(frame5, wrap='word')
+        self.textbox.pack()
+        sys.stdout = StdoutRedirector(self.textbox)
 
-        trans = Transaction(recipient, amount, comment)
-        trans.send()
-        recipient = amount = comment = None
+
+    def ProceedPaiement(self):
+        try:
+            recipient = str(self.recipientEntry.get())
+            amount = int(self.AmountEntry.get())
+        except:
+            print("Please enter the recipient's public and the amount\n")
+        else:
+            comment = str(self.commentEntry.get())
+            print("Paiement en cours ... " + recipient)
+            trans = Transaction(recipient, amount, comment)
+            trans.send()
+            recipient = amount = comment = None
 
 def main():
 
-    root = Tk()
-    root.geometry("300x130+300+300")
-    app = Pay()
-    root.mainloop()
+    def starter():
+        root = Tk()
+        root.geometry("500x300+300+300")
+        app = Pay()
+        root.mainloop()
+ 
+    thread = threading.Thread(target=starter)
+    thread.start()
 
 
 if __name__ == '__main__':

libs/paylib.py

@@ -26,9 +26,11 @@ class Transaction():
         self.comment = comment
         self.issuer = get_privkey(dunikey, "pubsec").pubkey
 
-    def genDoc(self):
-        # TODO: Check args
+        if not re.match(r"(?![OIl])[1-9A-Za-z]{42,45}", self.recipient):
+            sys.stderr.write("Issuer pubkey is not to good format.\n")
+            sys.exit(1)
 
+    def genDoc(self):
         # Build TX generation document
         queryBuild = gql(
             """