def checkConnection(self, url):
try:
# Try connection
response = urllib2.urlopen(url, timeout=1)
# Connection successful, activate Connection-LED
feedbackHandler.setFeedback(feedbackHandler.CONNECTION, feedbackHandler.ACTIVE)
return True
except urllib2.URLError as e:
# No Connection to Server
feedbackHandler.setFeedback(feedbackHandler.CONNECTION, feedbackHandler.INACTIVE)
finally:
return False
def checkConnection(self, url):
try:
# Try connection
response = urllib2.urlopen(url, timeout=1)
# Connection successful, activate Connection-LED
feedbackHandler.setFeedback(feedbackHandler.CONNECTION,
feedbackHandler.ACTIVE)
return True
except urllib2.URLError as e:
# No Connection to Server
feedbackHandler.setFeedback(feedbackHandler.CONNECTION,
feedbackHandler.INACTIVE)
finally:
return False
def webConnect(self, uid, resource):
request_data = {}
request_data['card_uid'] = "".join(map(str, uid))
request_data['event_key'] = self.eventKey
request_data['resource'] = resource
try:
print "Calling " + str(self.url) + " with Options: " + str(request_data)
request = urllib2.Request(self.url, data=json.dumps(request_data))
request.add_header('Content-Type', 'application/json')
response = urllib2.urlopen(request, timeout=1)
if response.code is 200:
self.saveCurrUID(uid)
self.processWebResponse(response)
# Yay, everything good -> Success-Feedback
feedbackHandler.setFeedback(feedbackHandler.SUCCESS, feedbackHandler.ACTIVE)
else:
# Not 200er Code? Error-Feedback
feedbackHandler.setFeedback(feedbackHandler.ERROR, feedbackHandler.ACTIVE)
print "Error from Webservice: " + str(response.code)
except urllib2.URLError as e:
# Error while POSTing Data -> Error-Feedback
feedbackHandler.setFeedback(feedbackHandler.ERROR, feedbackHandler.ACTIVE)
except Exception as e:
print e
def webConnect(self, uid, resource):
request_data = {}
request_data['card_uid'] = "".join(map(str, uid))
request_data['event_key'] = self.eventKey
request_data['resource'] = resource
try:
print "Calling " + str(
self.url) + " with Options: " + str(request_data)
request = urllib2.Request(self.url, data=json.dumps(request_data))
request.add_header('Content-Type', 'application/json')
response = urllib2.urlopen(request, timeout=1)
if response.code is 200:
self.saveCurrUID(uid)
self.processWebResponse(response)
# Yay, everything good -> Success-Feedback
feedbackHandler.setFeedback(feedbackHandler.SUCCESS,
feedbackHandler.ACTIVE)
else:
# Not 200er Code? Error-Feedback
feedbackHandler.setFeedback(feedbackHandler.ERROR,
feedbackHandler.ACTIVE)
print "Error from Webservice: " + str(response.code)
except urllib2.URLError as e:
# Error while POSTing Data -> Error-Feedback
feedbackHandler.setFeedback(feedbackHandler.ERROR,
feedbackHandler.ACTIVE)
except Exception as e:
print e
class cardWebconnector(object):
lastId = None
url = None
eventKey = None
def __init__(self, args):
self.url = args['--url']
self.eventKey = args['--event-key']
def update(self, observable, (addedcards, removedcards)):
for card in addedcards:
# Create connection
connection = card.createConnection()
connection.connect()
# Get Reader-ID as Resource
resource = self.getReaderID(connection)
# Get Card-UID
cardUID = self.getUID(connection)
print "Inserted Card with UID: " + str(cardUID)
if self.checkNewUID(cardUID):
# here we go
self.webConnect(cardUID, resource)
else:
print "#### Same UID ( " + str(
cardUID) + " ) as Before... Skipping... ####"
feedbackHandler.setFeedback(feedbackHandler.ERROR,
feedbackHandler.ACTIVE)
for card in removedcards:
feedbackHandler.setFeedback(feedbackHandler.SUCCESS,
feedbackHandler.INACTIVE)
feedbackHandler.setFeedback(feedbackHandler.ERROR,
feedbackHandler.INACTIVE)
