def refreshProjectCache(name, sha):
# Delete old Project models for the project if they exists
for p in Project.gql("WHERE project = :1", name):
p.delete()
# Delete old ShaCache models for the project if they exists
for s in ShaCache.gql("WHERE project = :1", name):
s.delete()
# Fetch new data, loads and dumps json to remove newlines from the input. (multiline not ok in datastore)
data = json.dumps(json.loads(urlfetch.fetch(rawPath(name)).content), separators=(',', ':'))
# Put new project data into a Project Model
p = Project(project=name, data=data)
p.put()
# Put new sha hash into a ShaCache Model
s = ShaCache(project=name, sha=sha)
s.put()
