def getpostreqnode(name):
name = name.upper()
#if name in CourseMaster().potrees:
# return CourseMaster().getpotree(name)
node = Node(name)
if name not in CourseMaster().postreqs: CourseMaster().loadpostreqs(name)
for course in CourseMaster().postreqs[name]:
print "\033[K", "\r", "loading: " + name,
stdout.flush()
node.addchild(getpostreqnode(course), "or")
CourseMaster().setpotree(node, name)
return node
def getprereqnode(name):
name = name.upper()
if name in CourseMaster().trees:
return CourseMaster().gettree(name)
try:
parsed = parse_prereq(CourseMaster().getprereqs(name))
evaled = eval(tree_sub(parsed.strip(",")))
evaled.setname(name)
CourseMaster().settree(evaled, name)
return evaled
except ParseException:
CourseMaster().settree(Node(name), name)
return Node(name)
def loadpotree(self):
try:
self.potree = CourseMaster().getpotree(self.name)
except MissingException:
self.potree = getpostreqnode(self.name)
CourseMaster().setpotree(self.name, self.potree)
def loadterm(self):
self.term = CourseMaster().getterm(self.name)
def loaddescription(self):
self.description = CourseMaster().getdescription(self.name)
def loadtitle(self):
self.title = CourseMaster().gettitle(self.name)
def loadpostreqs(self):
self.postreqs = CourseMaster().getpostreqs(self.name)
def loadcoreqs(self):
self.coreqs = CourseMaster().getcoreqs(self.name)
def loadprereqs(self):
self.prereqs = CourseMaster().getprereqs(self.name)