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TypeError: Don't know which D-Bus type to use to encode type "NoneType" #295

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metal450 opened this issue May 9, 2020 · 3 comments
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TypeError: Don't know which D-Bus type to use to encode type "NoneType" #295

metal450 opened this issue May 9, 2020 · 3 comments

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@metal450
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metal450 commented May 9, 2020 •
edited

Trying to use the nemo client running on KDE Plasma 5, it's failing with the following message (when I nemo -q in a terminal):

ERROR:dbus.connection:Unable to set arguments (None, None) according to signature None: <class 'TypeError'>: Don't know which D-Bus type to use to encode type "NoneType"
Traceback (most recent call last):
  File "/usr/share/nemo-python/extensions/RabbitVCS.py", line 217, in __init__
    self.status_checker = StatusChecker()
  File "/usr/lib/python3/dist-packages/rabbitvcs/services/checkerservice.py", line 258, in __init__
    self._connect_to_checker()
  File "/usr/lib/python3/dist-packages/rabbitvcs/services/checkerservice.py", line 270, in _connect_to_checker
    self.status_checker.SetLocale(*locale.getlocale(locale.LC_MESSAGES))
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 641, in call_blocking
    message.append(signature=signature, *args)
TypeError: Don't know which D-Bus type to use to encode type "NoneType"

Install is being performed per the instructions here: #251 (comment)

It works when nemo is run under Cinnamon desktop environment - but not when run under KDE. In other words, it's the exact same system - if I boot into Cinnamon & launch Nemo, RabbitVCS is fully functional. If I boot into KDE & launch nemo, I get the error above.
monnerat added a commit that referenced this issue May 27, 2020
@monnerat
Fix crashes due to uninitialized locale.
5a06fdb 
Reported-By: metal450 on github
Issue: #295
@monnerat
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Thanks for the bug report.
Commit 5a06fdb should fix this issue.
Please try from current master and report here. Thanks in advance.

@metal450
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I'm no longer using Nemo - however, using Nautilus on Kubuntu had a similar bug, which I ended up fixing per #297 (after many changes to the install instructions)

@monnerat
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monnerat commented May 27, 2020 •
edited

Thanks for the feedback. This commit should also fix the bug in other (i.e.: non-nemo) contexts.
Closing issue. If the problem persists, please reopen.

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@monnerat @metal450