#!/usr/bin/env python
-import string
+import string, time, popen2, os
+from random import random
+from MessageKeeper import MessageKeeper
+
+orderings = None
+
+IDLER_TEXT_SPEED=1.8
class Idler:
def __init__(self, v):
self.v = v
def next(self):
+ """Displays next stage of the idler. Returns time to the next step"""
+ return 1
+
+ def reset(self):
+ """Resets the idler to a known intial state"""
pass
+
+ def finished(self):
+ """Returns True if the idler is considered finished"""
+ return False
+
+ def affinity(self):
+ """How much we want this idler to be the next one chosen"""
+ return 1
+
+class GreetingIdler(Idler):
+ def __init__(self, v, secs_to_greeting = None):
+ self.v = v
+ self.secs_to_greeting = secs_to_greeting
+ self.message_displayed = False
+
+ def next(self):
+ if not self.secs_to_greeting is None:
+ x = self.secs_to_greeting
+ self.secs_to_greeting = None
+ return x
+
+ self.v.display('UCC SNACKS')
+ self.message_displayed = True
+ return 5
+
+ def reset(self):
+ self.message_displayed = False
+ self.secs_to_greeting = None
+
+ def finished(self):
+ return self.message_displayed
+
+ def affinity(self):
+ return 0
class TrainIdler(Idler):
def __init__(self, v):
self.idle_state += 1
self.idle_state %= 18*36*54
+ def reset(self):
+ self.idle_state = 0
+
+class OrderMaker:
+ def __init__(self, n=8):
+ self.n = n
+ self.make_factorials(n)
+
+ def make_factorials(self, n):
+ self.factorial = []
+ a = 1
+ for i in range(1,n+1):
+ self.factorial.append(a)
+ a *= i
+
+ def order(self, index):
+ used = []
+ for i in range(0,self.n):
+ used.append(i)
+ i = self.n-1
+ j = 0
+ res = []
+ while i >= 0:
+ a = index/self.factorial[i]
+ index %= self.factorial[i]
+ res.append(a+1)
+ i -= 1
+ j += 1
+ for i in range(0,self.n):
+ tmp = used[res[i]-1]
+ for j in range(res[i],self.n):
+ used[j-1] = used[j]
+ res[i] = tmp
+ return res
+
+ def __getitem__(self, i):
+ return self.order(i)
+
class GrayIdler(Idler):
- def __init__(self, v, one=None, zero=None):
+ def __init__(self, v, one=None, zero=None, reorder=0):
self.bits = 8
self.size = 1 << self.bits
self.i = 0
self.v = v
self.one = one
self.zero = zero
+ self.reorder = reorder
+ global orderings
+ if not orderings:
+ orderings = OrderMaker()
def next(self):
output = self.do_next_state()
output = string.replace(output, "0", self.zero)
if self.one:
output = string.replace(output, "1", self.one)
+ if self.reorder:
+ global orderings
+ newoutput = ""
+ for i in range(0,8):
+ newoutput += output[orderings[self.reorder][i]]
+ output = newoutput
self.v.display(" %8.8s " % (output))
self.i = (self.i + 1) % self.size
return bin
+ def reset(self):
+ self.i = 0
+ self.grayCode = 0
+ if self.reorder:
+ self.reorder = int(random()*40319)+1
+
+
+class StringIdler(Idler):
+ def __init__(self, v, text="Hello Cruel World! ",repeat=True):
+ self.v = v
+ self.mk = MessageKeeper(v)
+ self.text = self.clean_text(text) + " "
+
+ msg = [("",False, None),(self.text, repeat, IDLER_TEXT_SPEED)]
+ self.mk.set_messages(msg)
+
+ def clean_text(self, text):
+ # nothing like a bit of good clean text :)
+ valid = string.digits \
+ + string.letters \
+ + string.punctuation \
+ + " "
+ # uppercase it
+ text = string.upper(text)
+ clean = ""
+ for char in text:
+ if char in valid:
+ clean = clean + char
+ else:
+ clean = clean + " "
+ return clean
+
+ def next(self):
+ self.mk.update_display()
+
+ def finished(self):
+ return self.mk.done()
+
+class ClockIdler(Idler):
+ def __init__(self, v):
+ self.v = v
+ self.last = None
+
+ def next(self):
+ colonchar = ':'
+ if int(time.time()*2) & 1: colonchar = ' '
+ output = time.strftime("%%H%c%%M%c%%S"%(colonchar,colonchar))
+ if output != self.last:
+ self.v.display(" %8.8s " % (output))
+ self.last = output
+
+ def affinity(self):
+ return 3
+
+class FortuneIdler(StringIdler):
+ def __init__(self, v):
+ fortune = "/usr/games/fortune"
+ text = "I broke my wookie...."
+ if os.access(fortune,os.F_OK|os.X_OK):
+ (stdout, stdin) = popen2.popen2(fortune)
+ text = string.join(stdout.readlines())
+ stdout.close()
+ stdin.close()
+ StringIdler.__init__(self, v, text,repeat=False)
+
+ def affinity(self):
+ return 20
+
+class PipeIdler(StringIdler):
+ def __init__(self, v, command, args):
+ text = "I ate my cookie...."
+ if os.access(command,os.F_OK|os.X_OK):
+ (stdout, stdin) = popen2.popen2(command+' '+args)
+ text = string.join(stdout.readlines())
+ stdout.close()
+ stdin.close()
+ StringIdler.__init__(self, v, text,repeat=False)
+
+ def affinity(self):
+ return 20
+
+class FileIdler(StringIdler):
+ def __init__(self, v, thefile=None, repeat=False, affinity=8):
+ text = "I broke my wookie...."
+ self._affinity = affinity
+ if file and os.access(thefile,os.F_OK|os.R_OK):
+ f = file(thefile,'r')
+ text = string.join(f.readlines())
+ f.close()
+ StringIdler.__init__(self, v, text,repeat=repeat)
+ def affinity(self):
+ return self._affinity