jarovo/dt174b

Python tool for interfacing the CEM DT-174B Weather Datalogger.

dt174b's Issues

AttributeError when no device has been found.

When the device is not connected, the download command fails with unfriendly error message.
dc6a7e4

$ dt174b download
Traceback (most recent call last):
  File "/home/jhenner/projects/dt174b/.tox/usb/bin/dt174b", line 8, in <module>
    sys.exit(main())
  File "/home/jhenner/projects/dt174b/.tox/usb/lib/python3.6/site-packages/dt174b/cli.py", line 140, in main
    opts.func(opts)
  File "/home/jhenner/projects/dt174b/.tox/usb/lib/python3.6/site-packages/dt174b/cli.py", line 112, in __call__
    logger = dt174b.DT174B()
  File "/home/jhenner/projects/dt174b/.tox/usb/lib/python3.6/site-packages/dt174b/dt174b.py", line 119, in __init__
    self.start()
  File "/home/jhenner/projects/dt174b/.tox/usb/lib/python3.6/site-packages/dt174b/dt174b.py", line 125, in start
    raise DT174BError('Device %s:%s not found.', VENDOR, PRODUCT)
dt174b.dt174b.DT174BError: ('Device %s:%s not found.', 4292, 60001)
Exception ignored in: <bound method DT174B.__del__ of <dt174b.dt174b.DT174B object at 0x7fb685aaaa90>>
Traceback (most recent call last):
  File "/home/jhenner/projects/dt174b/.tox/usb/lib/python3.6/site-packages/dt174b/dt174b.py", line 271, in __del__
    self.close()
  File "/home/jhenner/projects/dt174b/.tox/usb/lib/python3.6/site-packages/dt174b/dt174b.py", line 274, in close
    usb.util.release_interface(self.dev, self.intf)
AttributeError: 'DT174B' object has no attribute 'intf'

AttributeError thrown when no params are supplied to the client .

$ dt174b 
Traceback (most recent call last):
  File "/home/jhenner/projects/dt174b/.tox/usb/bin/dt174b", line 8, in <module>
    sys.exit(main())
  File "/home/jhenner/projects/dt174b/.tox/usb/lib/python3.6/site-packages/dt174b/cli.py", line 140, in main
    opts.func(opts)
AttributeError: 'Namespace' object has no attribute 'func'