def createRegistry(self):
try:
print "Creating device registry: {0}".format(config.getFullFileName("devices.ini") or 'Undefined')
with open(config.getFullFileName("devices.ini"), 'w+') as f:
print f
return True
except Exception as e:
print e
return False
def updateDeviceLastSeenTime(self, device):
filesRead = self.parser.read(config.getFullFileName("devices.ini"))
if len(filesRead) == 0:
error = "The DeviceManager could not load it's configuration file: {0}".format(config.getFullFileName("devices.ini"))
logging.error(error)
raise Exception(error)
else:
sectionName = device.visibleName
lastSeen = device.lastSeen
self.parser.set(sectionName, 'lastSeen', str(lastSeen))
with open(config.getFullFileName("devices.ini"),'w') as f:
self.parser.write(f)
def deleteRegistry(self):
try:
self.parser = SafeConfigParser()
with open(config.getFullFileName("devices.ini"),'w') as f:
self.parser.write(f)
return True
except Exception as e:
print e
return False
def viewExists(viewName):
viewPath = config.getFullFileName(viewName + ".mc")
print "Checking if view exists by looking at the file: ", viewPath
try:
with open(viewPath) as f:
print "The view file was found. ", f
return True
except IOError as e:
print "The view file could not be found: ", e
return False
def addPlayedTrack(track):
"""
Adds an entry to the play history
"""
assert track != None
fileName = config.getFullFileName('play_history.txt')
entry = "{0} {1}".format(datetime.now(), track.filePath)
try:
with open(fileName, 'a') as f:
f.write(entry + "\n")
return True
except IOError as e:
print e
return False
def registerDevice(self, device):
"""
Register or update the specified device. Devices are stored into the file devices.ini
from the config folder.
"""
if not config.workspaceIsSet():
print "Cannot register a device when the workspace is not set."
return False
if not isinstance(device, Device):
error = "The specified device argument must inherit from the type devices.Device."
logging.info(error)
raise TypeError(error)
filesRead = self.parser.read(config.getFullFileName("devices.ini"))
if len(filesRead) == 0:
print "The DeviceManager is creating the registry..."
if not self.createRegistry():
print "The DeviceManager could not create the registry."
return False
currentDevices = self.getDevices()
if not currentDevices == None and device in currentDevices:
self.updateDeviceLastSeenTime(device)
return True
sectionName = device.visibleName
self.parser.add_section(sectionName)
self.parser.set(sectionName, 'visibleName', device.visibleName)
self.parser.set(sectionName, 'url', device.url)
self.parser.set(sectionName, 'type', device.type)
self.parser.set(sectionName, 'lastSeen', str(device.lastSeen))
with open(config.getFullFileName("devices.ini"),'w') as f:
self.parser.write(f)
print "Added device to the registry: {0} {1}".format(device.visibleName, device.url)
return True
def loadView(viewName):
if viewName in VIEWS:
print "Loading view from memory: {0}".format(viewName)
return VIEWS[viewName]
print "Loading view from file: {0}".format(viewName)
try:
indexLocation = config.getFullFileName(viewName + ".mc")
print indexLocation
with open(indexLocation, 'rb') as _file:
viewData = json.load(_file)
VIEWS[viewName] = viewData
return viewData
except IOError as e:
logging.debug(e)
print e
return None
def _saveResult(self, result):
reportFolder = config.getFullFileName("reports/")
from datetime import datetime
now = datetime.now()
resultFilename = reportFolder + "{0}.txt".format(datetime(now.year, now.month, now.day, now.hour, now.minute))
try:
if not os.path.exists(reportFolder):
os.makedirs(reportFolder)
except IOError as e:
print "Could not create directory to save results: {0}".format(reportFolder)
return False
print "Saving indexation result..."
try:
with open(resultFilename, 'wb') as f:
json.dump(result, f)
return True
except IOError as e:
logging.debug(e)
print e
return False
def getDevices(self):
"""
Read all configured devices from the registry.
If the registry could not be read, return None
If no devices were found in the registry, return an empty array
otherwise return an array of Devices.
"""
devices = []
filesRead = self.parser.read(config.getFullFileName("devices.ini"))
if len(filesRead) == 0:
if not self.createRegistry():
return
for device in self.parser.sections():
url = self.parser.get(device, 'url').encode("utf-8")
lastSeen = self.parser.get(device, 'lastSeen')
visibleName = self.parser.get(device, 'visibleName').encode("utf-8")
type = self.parser.get(device, 'type').encode("utf-8")
device = Device(type, visibleName, url, lastSeen)
devices.append(device)
return devices