class Room(object):
# very limited content negotiation support - our format choices
# for output. This also shows _a way_ of representing enums in python
json, xml, html, text = range(1, 5)
#
# setup the configuration for our service
#
def __init__(self, base, conf_fn):
self.host = socket.gethostname()
self.base = base
self.conf = {}
# should emit a failure (file not found) message
if os.path.exists(conf_fn):
with open(conf_fn) as cf:
for line in cf:
name, var = line.partition("=")[::2]
self.conf[name.strip()] = var.strip()
else:
raise Exception("configuration file not found.")
# create storage
self.__store = Storage()
##user Collection
def createUser(self, jsondata):
return self.__store.createUser(jsondata)
def getUser(self, emailid):
return self.__store.getUser(emailid)
def updateUser(self, emailid):
return self.__store.updateUser(emailid)
def deleteUser(self, emailid):
return self.__store.deleteUser(emailid)
def enrollCourse(self, courseid, emailid):
return self.__store.enrollCourse(courseid, emailid)
def dropCourse(self, courseid, emailid):
return self.__store.dropCourse(courseid, emailid)
##Category Collection
def insertCategory(self, category):
return self.__store.insertCategory(category)
def getCategory(self, category):
return self.__store.getCategory(category)
def listCategory(self):
return self.__store.listCategory()
##Course Collection
def addCourse(self, jsondata):
return self.__store.addCourse(jsondata)
def getCourse(self, courseid):
return self.__store.getCourse(courseid)
def updateCourse(self, courseid, jsondata):
return self.__store.updateCourse(courseid, jsondata)
def deleteCourse(self, courseid):
return self.__store.deleteCourse(courseid)
def listCourse(self):
return self.__store.listCourse()
##Quiz collections
def addQuiz(self, jsondata):
return self.__store.addQuiz(jsondata)
def getQuiz(self, quizid):
return self.__store.getQuiz(quizid)
def updateQuiz(self, quizid, jsondata):
return self.__store.updateQuiz(quizid, jsondata)
def deleteQuiz(self, quizid):
return self.__store.deleteQuiz(quizid)
def listQuiz(self):
return self.__store.listQuiz()
##Announcement collections
def addAnnounce(self, jsondata):
return self.__store.addAnnounce(jsondata)
def getAnnounce(self, announceid):
return self.__store.getAnnounce(announceid)
def updateAnnounce(self, announceid, jsondata):
return self.__store.updateAnnounce(announceid, jsondata)
def deleteAnnounce(self, announceid):
return self.__store.deleteAnnounce(announceid)
def listAnnounce(self):
return self.__store.listAnnounce()
# example: find data
#
def find(self, name):
print "---> classroom.find:", name
return self.__store.find(name)
#
# example: add data
#
def add(self, name, value):
try:
self.__store.insert(name, value)
self.__store.names()
return "success"
except:
return "failed"
# TODO success|failure
#
# dump the configuration in the requested format. Note placing format logic
# in the functional code is not really a good idea. However, it is here to
# provide an example.
#
#
def dump_conf(self, format):
if format == Room.json:
return self.__conf_as_json()
elif format == Room.html:
return self.__conf_as_html()
elif format == Room.xml:
return self.__conf_as_xml()
elif format == Room.text:
return self.__conf_as_text()
else:
return self.__conf_as_text()
#
# output as xml is supported through other packages. If
# you want to add xml support look at gnosis or lxml.
#
def __conf_as_json(self):
return "xml is hard"
#
#
#
def __conf_as_json(self):
try:
all = {}
all["base.dir"] = self.base
all["conf"] = self.conf
return json.dumps(all)
except:
return "error: unable to return configuration"
#
#
#
def __conf_as_text(self):
try:
sb = StringIO.StringIO()
sb.write("Room Configuration\n")
sb.write("base directory = ")
sb.write(self.base)
sb.write("\n\n")
sb.write("configuration:\n")
for key in sorted(self.conf.iterkeys()):
print >> sb, "%s=%s" % (key, self.conf[key])
str = sb.getvalue()
return str
finally:
sb.close()
#
return "text"
#
#
#
def __conf_as_html(self):
try:
sb = StringIO.StringIO()
sb.write("<html><body>")
sb.write("<h1>")
sb.write("Room Configuration")
sb.write("</h1>")
sb.write("<h2>Base Directory</h2>\n")
sb.write(self.base)
sb.write("\n\n")
sb.write("<h2>Configuration</h2>\n")
sb.write("<pre>")
for key in sorted(self.conf.iterkeys()):
print >> sb, "%s=%s" % (key, self.conf[key])
sb.write("</pre>")
sb.write("</body></html>")
str = sb.getvalue()
return str
finally:
sb.close()
