Problem Installing message_ix (configuration step)

[Yaoping Wang]

Hi there, 

I am trying to install message_ix following the Install from Conda steps. Everything was fine until I ran the config model files command, i.e. 

messageix-config --model_path /path/to/model

The following error message is printed: 

Traceback (most recent call last):
  File "C:\Users\wangy\AppData\Local\Continuum\Anaconda2\envs\py36\Scripts\messageix-config-script.py", line 10, in <module>
    sys.exit(config())
  File "C:\Users\wangy\AppData\Local\Continuum\Anaconda2\envs\py36\lib\site-packages\message_ix\cli.py", line 65, in config
    do_config(model_path=args.model_path, overwrite=args.overwrite)
  File "C:\Users\wangy\AppData\Local\Continuum\Anaconda2\envs\py36\lib\site-packages\message_ix\cli.py", line 53, in do_config
    with open(CONFIG_PATH, mode='w') as f:
FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\wangy\\.local\\message_ix\\config.json'

I could not find a .local folder in C:\\Users\\wangy. Is there something different if I am using a shared desktop? Thanks. 

[Matthew Gidden]

Hi Yaoping - no, this looks like a bug that may be specific to windows. A few things:

1. Would you mind opening an issue in github.com/iiasa/message_ix?
2. This tool is only needed if you want to actively edit the model (i.e., GAMS code). If you don't need to do that, then no need to use this command.
3. If you do need to use this command, a hacky fix would be to either
1. Make the directory its looking for (ie,  C:\\Users\\wangy\\.local\\message_ix)
2. Or, if that already exists, then also make an empty file config.json there (again, since this is a windows issue, I'm not sure... others please feel free to comment further)

Cheers,

Matt

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[Yaoping Wang]

Hi Matt, 

I opened the issue. I do not need the tool for now, so it is fine. 

Making an empty file does not work, though. I added the error message to the github issue. Thank you. 

Yaoping