Example #1
0
    def GetObjectHandles(self,
                         storageId=0xffffffff,
                         objectFormatId=None,
                         associationId=None):
        """Get the object handles.
        
        Returns: Tuple of object handles."""

        params = (storageId, )
        if objectFormatId != None:
            params += (objectFormatId, )
        if associationId != None:
            if objectFormatId == None:
                params += (0, )
            params += (associationId, )

        ptp_request = PtpRequest(
            PtpValues.StandardOperations.GET_OBJECT_HANDLES, self.sessionid,
            self.NewTransaction(), params)
        (ptp_response,
         rx) = self.transport.ptp_simple_transaction(ptp_request,
                                                     receiving=True)
        if ptp_response.respcode != PtpValues.StandardResponses.OK:
            raise PtpException(ptp_response.respcode)

        unpacker = PtpUnpacker(rx[1])
        return unpacker.unpack_array("I")
Example #2
0
	def CloseSession(self):
		"""Close the PTP session."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.CLOSE_SESSION, self.sessionid, self.NewTransaction())
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
Example #3
0
	def OpenSession(self):
		"""Open a new session to a PTP device."""
		
		self.sessionid = self.transport.NewSession()
		self.__transactionid = 0
		ptp_request = PtpRequest(PtpValues.StandardOperations.OPEN_SESSION, 0, 0, (self.sessionid, ))
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
Example #4
0
	def GetObjectInfo(self, objectHandle):
		"""Get information about an object on a PTP device.
		
		Returns: A PtpObjectInfo instance."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_OBJECT_INFO, self.sessionid, self.NewTransaction(), (objectHandle, ))
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=True)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		return PtpObjectInfo(rx[1])
Example #5
0
	def GetDevicePropInfo(self, propertyId):
		"""Get the description of a device property.
		
		Returns: A string of bytes."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_DEVICE_PROP_DESC, self.sessionid, self.NewTransaction(), (propertyId,))
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=True)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		return PtpDevicePropertyInfo(rx[1])
Example #6
0
	def GetStorageInfo(self, storageId):
		"""Get information about a storage on a PTP device.
		
		Returns: A PtpStorageInfo instance."""
	
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_STORAGE_INFO, self.sessionid, self.NewTransaction(), (storageId, ))
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=True)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		return PtpStorageInfo(rx[1])
Example #7
0
	def GetDeviceInfo(self):
		"""Get Device info from a PTP device.
		
		Returns: A PtpDeviceInfo instance."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_DEVICE_INFO, self.sessionid, self.NewTransaction())
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=True)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		return PtpDeviceInfo(rx[1])
Example #8
0
	def GetPartialObject(self, objectHandle, offset=0, count=0xffffffff, stream=None):
		"""Get a partial object on a PTP device.
		
		Returns: A tuple of (object length, and object data (or None if stream was not None))."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_PARTIAL_OBJECT, self.sessionid, self.NewTransaction(), (objectHandle, offset, count))
		self.transport.send_ptp_request(ptp_request)
		rx_data = self.transport.get_ptp_data(ptp_request, stream)
		ptp_response = self.transport.get_ptp_response(ptp_request)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		return rx_data
Example #9
0
	def GetThumb(self, objectHandle, stream=None):
		"""Get a thumbnail on a PTP device.
		
		Returns: A tuple of (object length, and object data (or None if stream was not None))."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_THUMB, self.sessionid, self.NewTransaction(), (objectHandle, ))
		self.transport.send_ptp_request(ptp_request)
		rx_data = self.transport.get_ptp_data(ptp_request, stream)
		ptp_response = self.transport.get_ptp_response(ptp_request)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		return rx_data
Example #10
0
	def SetDevicePropValue(self, propertyId, is_array, fmt, value):
		"""Set the value of a device property.
		
		Returns:"""
		
		packer = PtpPacker()
		packer.pack_simpletype(is_array, fmt, value)

		ptp_request = PtpRequest(PtpValues.StandardOperations.SET_DEVICE_PROP_VALUE, self.sessionid, self.NewTransaction(), (propertyId,))
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, tx_data = packer.raw)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
Example #11
0
	def GetDevicePropValue(self, propertyId, is_array, fmt):
		"""Get the value of a device property.
		
		Returns: The value ."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_DEVICE_PROP_VALUE, self.sessionid, self.NewTransaction(), (propertyId,))
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=True)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)

		unpacker = PtpUnpacker(rx[1])
		return unpacker.unpack_simpletype(is_array, fmt)
Example #12
0
	def GetStorageIDs(self):
		"""Get list of storages a PTP device.
		
		Returns: A tuple of IDs."""
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_STORAGE_IDS, self.sessionid, self.NewTransaction())
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=True)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		
		unpacker = PtpUnpacker(rx[1])
		return unpacker.unpack_array("I")
Example #13
0
	def DeleteObject(self, objectHandle, objectFormatId=None):
		"""Delete an object from a PTP device.
		
		Returns:"""

		params = (objectHandle, )
		if objectFormatId != None:
			params += (objectFormatId, )

		ptp_request = PtpRequest(PtpValues.StandardOperations.DELETE_OBJECT, self.sessionid, self.NewTransaction(), params)
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=False)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
Example #14
0
	def FormatStore(self, storageId, fsType=None):
		"""Format a store on a PTP device.
		
		Returns:"""
		
		params = (storageId, )
		if fsType != None:
			params += (fsType, )
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.FORMAT_STORE, self.sessionid, self.NewTransaction(), params)
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=False)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
Example #15
0
	def InitiateCapture(self, storageId=None, objectFormatId=None):
		"""Trigger an image capture.
		
		Returns:"""

		params = ()
		if storageId != None:
			params += (storageId, )
		if objectFormatId != None:
			if len(params) == 0:
				params += (0, )
			params += (objectFormatId, )

		ptp_request = PtpRequest(PtpValues.StandardOperations.INITIATE_CAPTURE, self.sessionid, self.NewTransaction(), params)
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=False)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
Example #16
0
	def GetNumObjects(self, storageId=0xffffffff, objectFormatId=None, associationId=None):
		"""Get the number of objects.
		
		Returns: The number of objects."""
		
		params = (storageId, )
		if objectFormatId != None:
			params += (objectFormatId, )
		if associationId != None:
			if objectFormatId == None:
				params += (0, )
			params += (associationId, )
		
		ptp_request = PtpRequest(PtpValues.StandardOperations.GET_NUM_OBJECTS, self.sessionid, self.NewTransaction(), params)
		(ptp_response, rx) = self.transport.ptp_simple_transaction(ptp_request, receiving=False)
		if ptp_response.respcode != PtpValues.StandardResponses.OK:
			raise PtpException(ptp_response.respcode)
		return ptp_response.params[0]