From f05c577752de80a1bfed292951d1b7d7003e329c Mon Sep 17 00:00:00 2001
From: Bernard Blackham <dagobah@ucc.asn.au>
Date: Thu, 24 Jun 2004 15:29:52 +0000
Subject: [PATCH] Initial stuff

---
 .cvsignore        |  2 ++
 BankAccount.py    | 64 +++++++++++++++++++++++++++++++++++++++++++++++
 DispenseServer.py | 16 ++++++++++++
 3 files changed, 82 insertions(+)
 create mode 100644 .cvsignore
 create mode 100644 BankAccount.py
 create mode 100755 DispenseServer.py

diff --git a/.cvsignore b/.cvsignore
new file mode 100644
index 0000000..43a3011
--- /dev/null
+++ b/.cvsignore
@@ -0,0 +1,2 @@
+*.pyc
+bank.pck
diff --git a/BankAccount.py b/BankAccount.py
new file mode 100644
index 0000000..ae33dd9
--- /dev/null
+++ b/BankAccount.py
@@ -0,0 +1,64 @@
+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 wanted_fields.has_key(f):
+				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):
+		ensure_user_exists(username)
+		self.bank['username']['balance'][0] += amount[0]
+		self.bank['username']['balance'][1] += amount[1]
+		self.save()
diff --git a/DispenseServer.py b/DispenseServer.py
new file mode 100755
index 0000000..3c53c55
--- /dev/null
+++ b/DispenseServer.py
@@ -0,0 +1,16 @@
+#!/usr/bin/python
+
+from SOAPpy import *
+from BankAccount import BankAccount
+
+namespace = 'Dispense'
+bind_port = 9900
+
+if __name__ == '__main__':
+	server = SOAPServer(('0.0.0.0', 9900))
+	bank = BankAccount()
+	for f in []:
+		server.registerFunction(f, namespace)
+	print "Serving ..."
+	server.serve_forever()
+
-- 
2.20.1