Added files for Ecoanova's Python 3 course.

Ecoanova/Introduccion a Python 3/Ejemplos/RSP/LICENSE

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+"THE BEER-WARE LICENSE" (Revision 42):
+
+<sonofgrendel@gmail.com> wrote this file. As long as you retain this
+notice you can do whatever you want with this stuff. If we meet some
+day, and you think this stuff is worth it, you can buy me a beer in
+return.
+
+Miguel Angel Astor.

Ecoanova/Introduccion a Python 3/Ejemplos/RSP/README.org

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+* RSP: Rock Scissors Paper
+
+RSP is a Python 3 clone of the classic MacOS software toy from 1996
+[[https://macintoshgarden.org/games/rock-scissors-paper][Rock Scissors Paper]] by shareware publisher Argus IG.
+
+#+ATTR_HTML: :alt Playing rock paper scissors against a robot. :align center
+[[file:rsp2.png]]

Ecoanova/Introduccion a Python 3/Ejemplos/RSP/rsvp.py

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+#! /usr/bin/env python3
+
+import random as r
+import threading as th
+import tkinter as tk
+
+# Gampelay constants
+ROCK     = 0
+SCISSORS = 1
+PAPER    = 2
+
+# Score variables
+PLAYER_SCORE = 0
+EYEGUY_SCORE = 0
+
+# Threading timer object
+TIMER = None
+
+def main():
+    """ Main method of the game. """
+
+    def reset():
+        """ Restarts the game. """
+        global PLAYER_SCORE, EYEGUY_SCORE
+        PLAYER_SCORE = 0
+        EYEGUY_SCORE = 0
+        player_label["text"] = "Humanoid>   " + str(PLAYER_SCORE)
+        eyeguy_label["text"] = str(EYEGUY_SCORE) + "   <EyeGuy"
+        alien_at_ease()
+
+    def alien_at_ease():
+        """ Resets the EyeGuy label to it's base resting state. """
+        global TIMER
+        eyeguy.config(image = alien_graphics["resting"])
+        print("Eyeguy is resting.")
+        TIMER = None
+
+    def quit_game():
+        """ Cancels any pending timer ad closes the window. """
+        if TIMER is not None:
+            TIMER.cancel()
+        window.quit()
+
+    def play(player_choice):
+        """ Evaluates a game turn. """
+        global PLAYER_SCORE, EYEGUY_SCORE, TIMER
+
+        def choice2str(choice):
+            """ Returns the name of a gameplay move as a string. """
+            return "ROCK" if choice == ROCK else \
+                ("SCISSORS" if choice == SCISSORS else "PAPER")
+
+        # Get EyeGuy's move
+        alien_choice = r.randrange(3)
+
+        # Check the outcome of this turn
+        if (alien_choice == ROCK and player_choice == SCISSORS) or \
+           (alien_choice == SCISSORS and player_choice == PAPER) or \
+           (alien_choice == PAPER and player_choice == ROCK):
+            # Check if EyeGuy won
+            print("Eyeguy won! " + choice2str(alien_choice) + " beats " + choice2str(player_choice))
+            EYEGUY_SCORE += 1
+
+            # Update EyeGuy's sprite
+            if alien_choice == ROCK:
+                eyeguy.config(image = alien_graphics["rock_win"])
+            elif alien_choice == SCISSORS:
+                eyeguy.config(image = alien_graphics["scsr_win"])
+            else:
+                eyeguy.config(image = alien_graphics["papr_win"])
+
+        elif (alien_choice == ROCK and player_choice == PAPER) or \
+             (alien_choice == SCISSORS and player_choice == ROCK) or \
+             (alien_choice == PAPER and player_choice == SCISSORS):
+            # Check if EyeGuy lost
+            print("Player won! " + choice2str(player_choice) + " beats " + choice2str(alien_choice))
+            PLAYER_SCORE += 1
+
+            # Update EyeGuy's sprite
+            if alien_choice == ROCK:
+                eyeguy.config(image = alien_graphics["rock_dft"])
+            elif alien_choice == SCISSORS:
+                eyeguy.config(image = alien_graphics["scsr_dft"])
+            else:
+                eyeguy.config(image = alien_graphics["papr_dft"])
+
+        else:
+            # Else its a tie
+            print(choice2str(alien_choice) + " and " + choice2str(player_choice) + " is a tie!")
+
+            # Update EyeGuy's sprite
+            if alien_choice == ROCK:
+                eyeguy.config(image = alien_graphics["rock_tie"])
+            elif alien_choice == SCISSORS:
+                eyeguy.config(image = alien_graphics["scsr_tie"])
+            else:
+                eyeguy.config(image = alien_graphics["papr_tie"])
+
+        # Update the score labels
+        player_label["text"] = "Humanoid>   " + str(PLAYER_SCORE)
+        eyeguy_label["text"] = str(EYEGUY_SCORE) + "   <EyeGuy"
+
+        # Set a timer to reset EyeGuy's sprite after 3 seconds
+        if TIMER is not None:
+            print("Canceled!")
+            TIMER.cancel()
+        TIMER = th.Timer(3, alien_at_ease)
+        TIMER.start()
+
+    # Create the game window
+    window = tk.Tk()
+    window.wm_title("Rock and Scissors VS Paper")
+    window.wm_resizable(width = tk.FALSE, height = tk.FALSE)
+
+    # Create the main menu bar
+    menubar = tk.Menu(window)
+
+    # Create the "game" menu option
+    game_menu = tk.Menu(menubar, tearoff = 0)
+    game_menu.add_command(label = "New Game", command = reset)
+    game_menu.add_command(label = "Quit", command = quit_game)
+
+    # Add the menu options to the menu bar
+    menubar.add_cascade(label = "Game", menu = game_menu)
+    window.config(menu = menubar)
+
+    # Load EyeGuy's sprites
+    alien_graphics = {
+        "resting" : tk.PhotoImage(file = "assets/gfx/eyeguy.1.1.png"),
+        "rock_tie" : tk.PhotoImage(file = "assets/gfx/eyeguy.2.1.png"),
+        "rock_win" : tk.PhotoImage(file = "assets/gfx/eyeguy.2.2.png"),
+        "rock_dft" : tk.PhotoImage(file = "assets/gfx/eyeguy.2.3.png"),
+        "scsr_tie" : tk.PhotoImage(file = "assets/gfx/eyeguy.3.1.png"),
+        "scsr_win" : tk.PhotoImage(file = "assets/gfx/eyeguy.3.2.png"),
+        "scsr_dft" : tk.PhotoImage(file = "assets/gfx/eyeguy.3.3.png"),
+        "papr_tie" : tk.PhotoImage(file = "assets/gfx/eyeguy.4.1.png"),
+        "papr_win" : tk.PhotoImage(file = "assets/gfx/eyeguy.4.2.png"),
+        "papr_dft" : tk.PhotoImage(file = "assets/gfx/eyeguy.4.3.png")
+    }
+
+    # Create and set the score labels
+    player_label = tk.Label(window, text = "Humanoid>   " + str(PLAYER_SCORE), fg = "red")
+    player_label.grid(row = 0, column = 0)
+    eyeguy_label = tk.Label(window, text = str(EYEGUY_SCORE) + "   <EyeGuy", fg = "blue")
+    eyeguy_label.grid(row = 0, column = 2)
+
+    # Create and set EyeGuy's sprite label
+    eyeguy = tk.Label(window, image = alien_graphics["resting"])
+    eyeguy.grid(row = 1, column = 0, columnspan = 3)
+
+    # Load the icons for the buttons
+    btn_icons = [tk.PhotoImage(file = "assets/gfx/btn.1.png"),
+                 tk.PhotoImage(file = "assets/gfx/btn.2.png"),
+                 tk.PhotoImage(file = "assets/gfx/btn.3.png")]
+
+    # Create and set each button
+    rock_btn = tk.Button(window, image = btn_icons[0], relief = tk.FLAT, command = lambda: play(0))
+    rock_btn.grid(row = 2, column = 0)
+    scsr_btn = tk.Button(window, image = btn_icons[1], relief = tk.FLAT, command = lambda: play(1))
+    scsr_btn.grid(row = 2, column = 1)
+    papr_btn = tk.Button(window, image = btn_icons[2], relief = tk.FLAT, command = lambda: play(2))
+    papr_btn.grid(row = 2, column = 2)
+
+    # Create and set the author label
+    text = tk.Label(window, text = "http://github.com/miky-kr5/")
+    text.grid(row = 3, column = 0, columnspan = 3)
+
+    # Show the window
+    try:
+        window.mainloop()
+    except KeyboardInterrupt:
+        print("Interrupted...")
+
+# Game entry point
+if __name__ == "__main__":
+    main()