First prune of top level directory

BankAccount.py

-import pickle
-
-ACCOUNT_FILE = 'bank.pck'
-
-class BankAccount:
-	def __init__(self):
-		f = None
-		self.bank = {}
-		try:
-			f = open(ACCOUNT_FILE)
-		except IOError:
-			pass
-		if f != None:
-			self.bank = pickle.load(f)
-			self.sanity_check(self.bank)
-			f.close()
-		self.save()
-
-	def sanity_check_user(self, user):
-		wanted_fields = ['balance']
-		for f in user:
-			if f in wanted_fields:
-				if f == 'balance':
-					if not isinstance(user['balance'], tuple):
-						return False
-					if len(user['balance']) != 2:
-						return False
-					if not isinstance(user[0], int) or \
-							not isinstance(user[1], int):
-						return False
-				del wanted_fields[f]
-			else:
-				return False
-		if len(wanted_fields) != 0:
-			return False
-		return True
-			
-	def sanity_check(self, bank):
-		for u in bank:
-			if not self.sanity_check_user(u):
-				return False
-		return True
-
-	def save(self):
-		f = open(ACCOUNT_FILE, 'w')
-		pickle.dump(self.bank, f)
-		f.close()
-
-	def ensure_user_exists(self, username):
-		if self.bank.has_key(username):
-			return
-		self.bank[username] = {}
-		self.bank[username]['balance'] = (0,0)
-
-	def get_balance(self, username):
-		if self.bank.has_key(username):
-			return self.bank[username]['balance']
-		return (0,0)
-
-	def add_amount(self, username, amount):
-		self.ensure_user_exists(username)
-		(cur_cents, cur_bytes) = self.bank[username]['balance']
-		(add_cents, add_bytes) = amount
-		self.bank[username]['balance'] = (cur_cents+add_cents,
-			cur_bytes+add_bytes)
-		self.save()

DispenseServer.py

-#!/usr/bin/python
-
-from SOAPpy import *
-from BankAccount import BankAccount
-
-namespace = 'Dispense'
-bind_port = 9900
-
-server = None
-
-def hello():
-	return "hello"
-
-if __name__ == '__main__':
-	server = SOAPServer(('0.0.0.0', 9900))
-	bank = BankAccount()
-	for f in [hello]:
-		server.registerFunction(f, namespace)
-	print "Serving forever ..."
-	server.serve_forever()

codesnippets/horizscroll.py

-#!/usr/bin/env python
-
-import string
-import sys
-import time
-
-class HorizScroll:
-	def __init__(self, text):
-		self.text = text
-		pass
-
-	def expand(self, padding=None, paddingchar=" ", dir=None):
-		if len(self.text) <= 10:
-			return [text]
-
-		if not padding:
-			padding = len(self.text) / 2
-
-		format = "%-" + str(padding) + "." + str(padding) + "s"
-		pad = string.replace(format % " "," ",paddingchar)
-		padtext = self.text + pad
-		expansion = []
-
-		for x in range(0,len(padtext)):
-			  expansion.append(padtext[x:] + padtext[:x])
-		
-		if dir == -1:
-			expansion.reverse()
-
-		return expansion
-
-if __name__ == '__main__':
-	h = HorizScroll("hello cruel world")
-	eh = h.expand()
-	while 1:
-		for x in eh:
-			sys.stdout.write("\r")
-			print "%-10.10s" % x,
-			sys.stdout.flush()
-			time.sleep(0.1)
-