diff options
Diffstat (limited to 'Tools/demo')
-rwxr-xr-x | Tools/demo/eiffel.py | 2 | ||||
-rwxr-xr-x | Tools/demo/life.py | 89 | ||||
-rwxr-xr-x | Tools/demo/ss1.py | 81 |
3 files changed, 83 insertions, 89 deletions
diff --git a/Tools/demo/eiffel.py b/Tools/demo/eiffel.py index 3a28224..736abea 100755 --- a/Tools/demo/eiffel.py +++ b/Tools/demo/eiffel.py @@ -36,7 +36,7 @@ class EiffelBaseMetaClass(type): pre = dict.get("%s_pre" % m) post = dict.get("%s_post" % m) if pre or post: - dict[k] = cls.make_eiffel_method(dict[m], pre, post) + dict[m] = cls.make_eiffel_method(dict[m], pre, post) class EiffelMetaClass1(EiffelBaseMetaClass): diff --git a/Tools/demo/life.py b/Tools/demo/life.py index dfb9ab8..fc4cb49 100755 --- a/Tools/demo/life.py +++ b/Tools/demo/life.py @@ -46,38 +46,38 @@ class LifeBoard: self.state = {} self.scr = scr Y, X = self.scr.getmaxyx() - self.X, self.Y = X-2, Y-2-1 + self.X, self.Y = X - 2, Y - 2 - 1 self.char = char self.scr.clear() # Draw a border around the board - border_line = '+'+(self.X*'-')+'+' + border_line = '+' + (self.X * '-') + '+' self.scr.addstr(0, 0, border_line) - self.scr.addstr(self.Y+1, 0, border_line) + self.scr.addstr(self.Y + 1, 0, border_line) for y in range(0, self.Y): - self.scr.addstr(1+y, 0, '|') - self.scr.addstr(1+y, self.X+1, '|') + self.scr.addstr(1 + y, 0, '|') + self.scr.addstr(1 + y, self.X + 1, '|') self.scr.refresh() def set(self, y, x): """Set a cell to the live state""" - if x<0 or self.X<=x or y<0 or self.Y<=y: - raise ValueError("Coordinates out of range %i,%i"% (y, x)) - self.state[x,y] = 1 + if x < 0 or self.X <= x or y < 0 or self.Y <= y: + raise ValueError("Coordinates out of range %i,%i" % (y, x)) + self.state[x, y] = 1 def toggle(self, y, x): """Toggle a cell's state between live and dead""" if x < 0 or self.X <= x or y < 0 or self.Y <= y: - raise ValueError("Coordinates out of range %i,%i"% (y, x)) + raise ValueError("Coordinates out of range %i,%i" % (y, x)) if (x, y) in self.state: del self.state[x, y] - self.scr.addch(y+1, x+1, ' ') + self.scr.addch(y + 1, x + 1, ' ') else: self.state[x, y] = 1 if curses.has_colors(): # Let's pick a random color! self.scr.attrset(curses.color_pair(random.randrange(1, 7))) - self.scr.addch(y+1, x+1, self.char) + self.scr.addch(y + 1, x + 1, self.char) self.scr.attrset(0) self.scr.refresh() @@ -88,43 +88,46 @@ class LifeBoard: def display(self, update_board=True): """Display the whole board, optionally computing one generation""" - M,N = self.X, self.Y + M, N = self.X, self.Y if not update_board: for i in range(0, M): for j in range(0, N): - if (i,j) in self.state: - self.scr.addch(j+1, i+1, self.char) + if (i, j) in self.state: + self.scr.addch(j + 1, i + 1, self.char) else: - self.scr.addch(j+1, i+1, ' ') + self.scr.addch(j + 1, i + 1, ' ') self.scr.refresh() return d = {} self.boring = 1 for i in range(0, M): - L = range( max(0, i-1), min(M, i+2) ) + L = range(max(0, i - 1), min(M, i + 2)) for j in range(0, N): s = 0 - live = (i,j) in self.state - for k in range( max(0, j-1), min(N, j+2) ): + live = (i, j) in self.state + for k in range(max(0, j - 1), min(N, j + 2)): for l in L: - if (l,k) in self.state: + if (l, k) in self.state: s += 1 s -= live if s == 3: # Birth - d[i,j] = 1 + d[i, j] = 1 if curses.has_colors(): # Let's pick a random color! self.scr.attrset(curses.color_pair( random.randrange(1, 7))) - self.scr.addch(j+1, i+1, self.char) + self.scr.addch(j + 1, i + 1, self.char) self.scr.attrset(0) - if not live: self.boring = 0 - elif s == 2 and live: d[i,j] = 1 # Survival + if not live: + self.boring = 0 + elif s == 2 and live: + # Survival + d[i, j] = 1 elif live: # Death - self.scr.addch(j+1, i+1, ' ') + self.scr.addch(j + 1, i + 1, ' ') self.boring = 0 self.state = d self.scr.refresh() @@ -135,16 +138,17 @@ class LifeBoard: for i in range(0, self.X): for j in range(0, self.Y): if random.random() > 0.5: - self.set(j,i) + self.set(j, i) def erase_menu(stdscr, menu_y): "Clear the space where the menu resides" stdscr.move(menu_y, 0) stdscr.clrtoeol() - stdscr.move(menu_y+1, 0) + stdscr.move(menu_y + 1, 0) stdscr.clrtoeol() + def display_menu(stdscr, menu_y): "Display the menu of possible keystroke commands" erase_menu(stdscr, menu_y) @@ -154,15 +158,16 @@ def display_menu(stdscr, menu_y): stdscr.attrset(curses.color_pair(1)) stdscr.addstr(menu_y, 4, 'Use the cursor keys to move, and space or Enter to toggle a cell.') - stdscr.addstr(menu_y+1, 4, + stdscr.addstr(menu_y + 1, 4, 'E)rase the board, R)andom fill, S)tep once or C)ontinuously, Q)uit') stdscr.attrset(0) + def keyloop(stdscr): # Clear the screen and display the menu of keys stdscr.clear() stdscr_y, stdscr_x = stdscr.getmaxyx() - menu_y = (stdscr_y-3)-1 + menu_y = (stdscr_y - 3) - 1 display_menu(stdscr, menu_y) # If color, then initialize the color pairs @@ -179,16 +184,16 @@ def keyloop(stdscr): curses.mousemask(curses.BUTTON1_CLICKED) # Allocate a subwindow for the Life board and create the board object - subwin = stdscr.subwin(stdscr_y-3, stdscr_x, 0, 0) + subwin = stdscr.subwin(stdscr_y - 3, stdscr_x, 0, 0) board = LifeBoard(subwin, char=ord('*')) board.display(update_board=False) # xpos, ypos are the cursor's position - xpos, ypos = board.X//2, board.Y//2 + xpos, ypos = board.X // 2, board.Y // 2 # Main loop: while True: - stdscr.move(1+ypos, 1+xpos) # Move the cursor + stdscr.move(1 + ypos, 1 + xpos) # Move the cursor c = stdscr.getch() # Get a keystroke if 0 < c < 256: c = chr(c) @@ -224,15 +229,21 @@ def keyloop(stdscr): board.display(update_board=False) elif c in 'Ss': board.display() - else: pass # Ignore incorrect keys - elif c == curses.KEY_UP and ypos > 0: ypos -= 1 - elif c == curses.KEY_DOWN and ypos < board.Y-1: ypos += 1 - elif c == curses.KEY_LEFT and xpos > 0: xpos -= 1 - elif c == curses.KEY_RIGHT and xpos < board.X-1: xpos += 1 + else: + # Ignore incorrect keys + pass + elif c == curses.KEY_UP and ypos > 0: + ypos -= 1 + elif c == curses.KEY_DOWN and ypos + 1 < board.Y: + ypos += 1 + elif c == curses.KEY_LEFT and xpos > 0: + xpos -= 1 + elif c == curses.KEY_RIGHT and xpos + 1 < board.X: + xpos += 1 elif c == curses.KEY_MOUSE: mouse_id, mouse_x, mouse_y, mouse_z, button_state = curses.getmouse() - if (mouse_x > 0 and mouse_x < board.X+1 and - mouse_y > 0 and mouse_y < board.Y+1): + if (mouse_x > 0 and mouse_x < board.X + 1 and + mouse_y > 0 and mouse_y < board.Y + 1): xpos = mouse_x - 1 ypos = mouse_y - 1 board.toggle(ypos, xpos) @@ -245,7 +256,7 @@ def keyloop(stdscr): def main(stdscr): - keyloop(stdscr) # Enter the main loop + keyloop(stdscr) # Enter the main loop if __name__ == '__main__': curses.wrapper(main) diff --git a/Tools/demo/ss1.py b/Tools/demo/ss1.py index 4cea667..649790f 100755 --- a/Tools/demo/ss1.py +++ b/Tools/demo/ss1.py @@ -7,8 +7,8 @@ SS1 -- a spreadsheet-like application. import os import re import sys -import html from xml.parsers import expat +from xml.sax.saxutils import escape LEFT, CENTER, RIGHT = "LEFT", "CENTER", "RIGHT" @@ -79,10 +79,10 @@ class Sheet: del self.cells[xy] def clearrows(self, y1, y2): - self.clearcells(0, y1, sys.maxint, y2) + self.clearcells(0, y1, sys.maxsize, y2) def clearcolumns(self, x1, x2): - self.clearcells(x1, 0, x2, sys.maxint) + self.clearcells(x1, 0, x2, sys.maxsize) def selectcells(self, x1, y1, x2, y2): if x1 > x2: @@ -113,23 +113,23 @@ class Sheet: def insertrows(self, y, n): assert n > 0 - self.movecells(0, y, sys.maxint, sys.maxint, 0, n) + self.movecells(0, y, sys.maxsize, sys.maxsize, 0, n) def deleterows(self, y1, y2): if y1 > y2: y1, y2 = y2, y1 self.clearrows(y1, y2) - self.movecells(0, y2+1, sys.maxint, sys.maxint, 0, y1-y2-1) + self.movecells(0, y2+1, sys.maxsize, sys.maxsize, 0, y1-y2-1) def insertcolumns(self, x, n): assert n > 0 - self.movecells(x, 0, sys.maxint, sys.maxint, n, 0) + self.movecells(x, 0, sys.maxsize, sys.maxsize, n, 0) def deletecolumns(self, x1, x2): if x1 > x2: x1, x2 = x2, x1 self.clearcells(x1, x2) - self.movecells(x2+1, 0, sys.maxint, sys.maxint, x1-x2-1, 0) + self.movecells(x2+1, 0, sys.maxsize, sys.maxsize, x1-x2-1, 0) def getsize(self): maxx = maxy = 0 @@ -205,7 +205,7 @@ class Sheet: if hasattr(cell, 'xml'): cellxml = cell.xml() else: - cellxml = '<value>%s</value>' % html.escape(cell) + cellxml = '<value>%s</value>' % escape(cell) out.append('<cell row="%s" col="%s">\n %s\n</cell>' % (y, x, cellxml)) out.append('</spreadsheet>') @@ -213,16 +213,14 @@ class Sheet: def save(self, filename): text = self.xml() - f = open(filename, "w") - f.write(text) - if text and not text.endswith('\n'): - f.write('\n') - f.close() + with open(filename, "w", encoding='utf-8') as f: + f.write(text) + if text and not text.endswith('\n'): + f.write('\n') def load(self, filename): - f = open(filename, 'rb') - SheetParser(self).parsefile(f) - f.close() + with open(filename, 'rb') as f: + SheetParser(self).parsefile(f) class SheetParser: @@ -239,13 +237,10 @@ class SheetParser: def startelement(self, tag, attrs): method = getattr(self, 'start_'+tag, None) if method: - for key, value in attrs.items(): - attrs[key] = str(value) # XXX Convert Unicode to 8-bit method(attrs) self.texts = [] def data(self, text): - text = str(text) # XXX Convert Unicode to 8-bit self.texts.append(text) def endelement(self, tag): @@ -269,11 +264,7 @@ class SheetParser: except: self.value = None - def end_long(self, text): - try: - self.value = int(text) - except: - self.value = None + end_long = end_int def end_double(self, text): try: @@ -288,10 +279,7 @@ class SheetParser: self.value = None def end_string(self, text): - try: - self.value = text - except: - self.value = None + self.value = text def end_value(self, text): if isinstance(self.value, BaseCell): @@ -328,7 +316,7 @@ class BaseCell: class NumericCell(BaseCell): def __init__(self, value, fmt="%s", alignment=RIGHT): - assert isinstance(value, (int, int, float, complex)) + assert isinstance(value, (int, float, complex)) assert alignment in (LEFT, CENTER, RIGHT) self.value = value self.fmt = fmt @@ -355,21 +343,18 @@ class NumericCell(BaseCell): if -2**31 <= self.value < 2**31: return '<int>%s</int>' % self.value else: - return self._xml_long() - - def _xml_long(self): - return '<long>%s</long>' % self.value + return '<long>%s</long>' % self.value def _xml_float(self): - return '<double>%s</double>' % repr(self.value) + return '<double>%r</double>' % self.value def _xml_complex(self): - return '<complex>%s</double>' % repr(self.value) + return '<complex>%r</complex>' % self.value class StringCell(BaseCell): def __init__(self, text, fmt="%s", alignment=LEFT): - assert isinstance(text, (str, str)) + assert isinstance(text, str) assert alignment in (LEFT, CENTER, RIGHT) self.text = text self.fmt = fmt @@ -386,7 +371,7 @@ class StringCell(BaseCell): return s % ( align2xml[self.alignment], self.fmt, - html.escape(self.text)) + escape(self.text)) class FormulaCell(BaseCell): @@ -404,7 +389,6 @@ class FormulaCell(BaseCell): def recalc(self, ns): if self.value is None: try: - # A hack to evaluate expressions using true division self.value = eval(self.translated, ns) except: exc = sys.exc_info()[0] @@ -425,7 +409,7 @@ class FormulaCell(BaseCell): return '<formula align="%s" format="%s">%s</formula>' % ( align2xml[self.alignment], self.fmt, - self.formula) + escape(self.formula)) def renumber(self, x1, y1, x2, y2, dx, dy): out = [] @@ -626,29 +610,29 @@ class SheetGUI: def selectall(self, event): self.setcurrent(1, 1) - self.setcorner(sys.maxint, sys.maxint) + self.setcorner(sys.maxsize, sys.maxsize) def selectcolumn(self, event): x, y = self.whichxy(event) self.setcurrent(x, 1) - self.setcorner(x, sys.maxint) + self.setcorner(x, sys.maxsize) def extendcolumn(self, event): x, y = self.whichxy(event) if x > 0: self.setcurrent(self.currentxy[0], 1) - self.setcorner(x, sys.maxint) + self.setcorner(x, sys.maxsize) def selectrow(self, event): x, y = self.whichxy(event) self.setcurrent(1, y) - self.setcorner(sys.maxint, y) + self.setcorner(sys.maxsize, y) def extendrow(self, event): x, y = self.whichxy(event) if y > 0: self.setcurrent(1, self.currentxy[1]) - self.setcorner(sys.maxint, y) + self.setcorner(sys.maxsize, y) def press(self, event): x, y = self.whichxy(event) @@ -709,14 +693,14 @@ class SheetGUI: self.setbeacon(x1, y1, x2, y2) def setbeacon(self, x1, y1, x2, y2): - if x1 == y1 == 1 and x2 == y2 == sys.maxint: + if x1 == y1 == 1 and x2 == y2 == sys.maxsize: name = ":" - elif (x1, x2) == (1, sys.maxint): + elif (x1, x2) == (1, sys.maxsize): if y1 == y2: name = "%d" % y1 else: name = "%d:%d" % (y1, y2) - elif (y1, y2) == (1, sys.maxint): + elif (y1, y2) == (1, sys.maxsize): if x1 == x2: name = "%s" % colnum2name(x1) else: @@ -776,7 +760,7 @@ class SheetGUI: if text.startswith('='): cell = FormulaCell(text[1:]) else: - for cls in int, int, float, complex: + for cls in int, float, complex: try: value = cls(text) except: @@ -812,7 +796,6 @@ class SheetGUI: def test_basic(): "Basic non-gui self-test." - import os a = Sheet() for x in range(1, 11): for y in range(1, 11): |