pml.py:177:ConvertFromPMLDataFormat:error: unpack requires a string argument of length 4

[Jiri Popelka]

hplip-gui-3.12.2 @ Fedora 16

backtrace:
pml.py:177:ConvertFromPMLDataFormat:error: unpack requires a string argument of length 4

Traceback (most recent call last):
  File "/usr/bin/hp-systray", line 141, in <module>
    hpdio.run(r2, w3)
  File "/usr/share/hplip/hpdio.py", line 140, in run
    dev.queryDevice()
  File "/usr/share/hplip/base/device.py", line 1704, in queryDevice
    status_block = status.StatusType3(self, self.deviceID)
  File "/usr/share/hplip/base/status.py", line 507, in StatusType3
    result_code, colorant_index = dev.getPML( oid )
  File "/usr/share/hplip/base/device.py", line 2014, in getPML
    converted_data = pml.ConvertFromPMLDataFormat(data, oid[1],
desired_int_size)
  File "/usr/share/hplip/base/pml.py", line 177, in ConvertFromPMLDataFormat
    return struct.unpack(">i", data)[0]
error: unpack requires a string argument of length 4

Local variables in innermost frame:
data: '\x01\x15CNCJ299144'
desired_int_size: 4
data_type: 8

See also the original bug report https://bugzilla.redhat.com/show_bug.cgi?id=808494

[goutam kodu (goutam-hplip)]

Hi,

Can you uninstall/ remove the package related with hplip from fedora repository or using yum package manager.

yum remove hplip
yum remove hplip-gui

etc...

And please check this by installing the hplip-3.12.2 from "hplip-3.12.2.run" file . Download the file from http://hplipopensource.com/hplip-web/gethplip.html. And install this by running command "sh hplip-3.12.2.run" in terminal.

Check if you are able to reproduce the same.

Thanks & Regards,
Goutam Kodu