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Harmonize docstrings. Move redemo from Tools/scripts to Tools/demo. Add a README file to Tools/demo.
This commit is contained in:
Georg Brandl
parent
a3fe8e0b9f
commit
856898b395
15 changed files with 188 additions and 143 deletions
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@ -1,23 +1,23 @@
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#!/usr/bin/env python3
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# life.py -- A curses-based version of Conway's Game of Life.
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# Contributed by AMK
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# Mouse support and color by Dafydd Crosby
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#
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# An empty board will be displayed, and the following commands are available:
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# E : Erase the board
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# R : Fill the board randomly
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# S : Step for a single generation
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# C : Update continuously until a key is struck
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# Q : Quit
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# Cursor keys : Move the cursor around the board
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# Space or Enter : Toggle the contents of the cursor's position
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#
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# TODO :
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# Make board updates faster
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#
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import random, string, traceback
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"""
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A curses-based version of Conway's Game of Life.
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An empty board will be displayed, and the following commands are available:
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E : Erase the board
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R : Fill the board randomly
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S : Step for a single generation
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C : Update continuously until a key is struck
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Q : Quit
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Cursor keys : Move the cursor around the board
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Space or Enter : Toggle the contents of the cursor's position
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Contributed by Andrew Kuchling, Mouse support and color by Dafydd Crosby.
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"""
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import curses
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import random
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class LifeBoard:
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"""Encapsulates a Life board
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@ -31,7 +31,7 @@ class LifeBoard:
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next generation. Then display the state
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of the board and refresh the screen.
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erase() -- clear the entire board
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makeRandom() -- fill the board randomly
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make_random() -- fill the board randomly
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set(y,x) -- set the given cell to Live; doesn't refresh the screen
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toggle(y,x) -- change the given cell from live to dead, or vice
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versa, and refresh the screen display
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@ -53,7 +53,7 @@ class LifeBoard:
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# Draw a border around the board
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border_line = '+'+(self.X*'-')+'+'
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self.scr.addstr(0, 0, border_line)
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self.scr.addstr(self.Y+1,0, border_line)
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self.scr.addstr(self.Y+1, 0, border_line)
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for y in range(0, self.Y):
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self.scr.addstr(1+y, 0, '|')
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self.scr.addstr(1+y, self.X+1, '|')
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@ -62,21 +62,21 @@ class LifeBoard:
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def set(self, y, x):
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"""Set a cell to the live state"""
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if x<0 or self.X<=x or y<0 or self.Y<=y:
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raise ValueError("Coordinates out of range %i,%i"% (y,x))
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raise ValueError("Coordinates out of range %i,%i"% (y, x))
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self.state[x,y] = 1
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def toggle(self, y, x):
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"""Toggle a cell's state between live and dead"""
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if x<0 or self.X<=x or y<0 or self.Y<=y:
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raise ValueError("Coordinates out of range %i,%i"% (y,x))
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if (x,y) in self.state:
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del self.state[x,y]
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if x < 0 or self.X <= x or y < 0 or self.Y <= y:
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raise ValueError("Coordinates out of range %i,%i"% (y, x))
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if (x, y) in self.state:
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del self.state[x, y]
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self.scr.addch(y+1, x+1, ' ')
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else:
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self.state[x,y] = 1
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self.state[x, y] = 1
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if curses.has_colors():
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#Let's pick a random color!
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self.scr.attrset(curses.color_pair(random.randrange(1,7)))
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# Let's pick a random color!
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self.scr.attrset(curses.color_pair(random.randrange(1, 7)))
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self.scr.addch(y+1, x+1, self.char)
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self.scr.attrset(0)
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self.scr.refresh()
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@ -115,8 +115,9 @@ class LifeBoard:
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# Birth
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d[i,j] = 1
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if curses.has_colors():
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#Let's pick a random color!
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self.scr.attrset(curses.color_pair(random.randrange(1,7)))
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# Let's pick a random color!
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self.scr.attrset(curses.color_pair(
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random.randrange(1, 7)))
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self.scr.addch(j+1, i+1, self.char)
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self.scr.attrset(0)
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if not live: self.boring = 0
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@ -128,7 +129,7 @@ class LifeBoard:
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self.state = d
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self.scr.refresh()
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def makeRandom(self):
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def make_random(self):
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"Fill the board with a random pattern"
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self.state = {}
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for i in range(0, self.X):
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@ -152,9 +153,9 @@ def display_menu(stdscr, menu_y):
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if curses.has_colors():
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stdscr.attrset(curses.color_pair(1))
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stdscr.addstr(menu_y, 4,
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'Use the cursor keys to move, and space or Enter to toggle a cell.')
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'Use the cursor keys to move, and space or Enter to toggle a cell.')
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stdscr.addstr(menu_y+1, 4,
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'E)rase the board, R)andom fill, S)tep once or C)ontinuously, Q)uit')
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'E)rase the board, R)andom fill, S)tep once or C)ontinuously, Q)uit')
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stdscr.attrset(0)
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def keyloop(stdscr):
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@ -186,10 +187,10 @@ def keyloop(stdscr):
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xpos, ypos = board.X//2, board.Y//2
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# Main loop:
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while (1):
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while True:
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stdscr.move(1+ypos, 1+xpos) # Move the cursor
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c = stdscr.getch() # Get a keystroke
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if 0<c<256:
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if 0 < c < 256:
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c = chr(c)
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if c in ' \n':
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board.toggle(ypos, xpos)
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@ -201,14 +202,14 @@ def keyloop(stdscr):
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# Activate nodelay mode; getch() will return -1
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# if no keystroke is available, instead of waiting.
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stdscr.nodelay(1)
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while (1):
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while True:
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c = stdscr.getch()
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if c != -1:
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break
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stdscr.addstr(0,0, '/')
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stdscr.addstr(0, 0, '/')
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stdscr.refresh()
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board.display()
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stdscr.addstr(0,0, '+')
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stdscr.addstr(0, 0, '+')
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stdscr.refresh()
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stdscr.nodelay(0) # Disable nodelay mode
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@ -219,18 +220,19 @@ def keyloop(stdscr):
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elif c in 'Qq':
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break
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elif c in 'Rr':
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board.makeRandom()
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board.make_random()
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board.display(update_board=False)
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elif c in 'Ss':
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board.display()
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else: pass # Ignore incorrect keys
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elif c == curses.KEY_UP and ypos>0: ypos -= 1
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elif c == curses.KEY_DOWN and ypos<board.Y-1: ypos += 1
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elif c == curses.KEY_LEFT and xpos>0: xpos -= 1
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elif c == curses.KEY_RIGHT and xpos<board.X-1: xpos += 1
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elif c == curses.KEY_UP and ypos > 0: ypos -= 1
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elif c == curses.KEY_DOWN and ypos < board.Y-1: ypos += 1
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elif c == curses.KEY_LEFT and xpos > 0: xpos -= 1
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elif c == curses.KEY_RIGHT and xpos < board.X-1: xpos += 1
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elif c == curses.KEY_MOUSE:
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(mouse_id, mouse_x, mouse_y, mouse_z, button_state) = curses.getmouse()
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if (mouse_x>0 and mouse_x<board.X+1) and (mouse_y>0 and mouse_y<board.Y+1):
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mouse_id, mouse_x, mouse_y, mouse_z, button_state = curses.getmouse()
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if (mouse_x > 0 and mouse_x < board.X+1 and
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mouse_y > 0 and mouse_y < board.Y+1):
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xpos = mouse_x - 1
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ypos = mouse_y - 1
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board.toggle(ypos, xpos)
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@ -245,6 +247,5 @@ def keyloop(stdscr):
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def main(stdscr):
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keyloop(stdscr) # Enter the main loop
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if __name__ == '__main__':
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curses.wrapper(main)
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