Bug in etmtk 3.2.38 - Timers not being reloaded

[Jon Wilks]

Dan

There is an issue with etmtk where existing timers are not being loaded.  Looking at the source on GitHub, there seems to be an issue in the loadTimers() method in dialog.py where the yaml.safe_load() function is not loading the previously saved timers.  If I take loadTimers() out of the try: section I get;

    ruamel.yaml.constructor.ConstructorError: could not determine a constructor for the tag 'tag:yaml.org,2002:python/tuple'

Changing the yaml.safe_load to yaml.load gives us behavour that matches the manual but gives us warnings about not using safe_load.

Any ideas??

[Daniel Graham]

What version of PyYaml (actually ruamel.yaml) is displayed when you press F2? Mine is 0.15.94. Please let me know if you update ruamel.yaml and if it helps.

— Dan

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[Jon Wilks]

Hi Dan,

Here is what I get when I press F2.

System Information:
  Platform:   Darwin-18.5.0
  Python:     3.7.3
  Dateutil:   2.8.0
  PyYaml:     0.15.94
  Tk/Tcl
     Version: 8.5.9
     Style:   aqua
  Encodings
     File:    cp1252
     GUI:     cp1252
     Term:    cp1252

When I get a moment I will investigate further.

Jon

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[Dan]

Jon,

The API for ramel.yaml changed with version 0.15. You might try the following. 

Around line 14 in dialog.py, replace

import ruamel.yaml as yaml

with 

from ruamel.yaml import YAML

yaml = YAML(typ='unsafe')

Then around line 1180 in loadTimers(), replace

tmp =  yaml.safe_load(fo)

with 

tmp = yaml(fo)

Please let me know if this helps.

-- Dan 

 

[Jon Wilks]

Dan,

Almost!  On line 1180 I replaced your suggestion of

    tmp = yaml(fo)

with

   tmp = yaml.load(fo)

Thanks for your time.