[Issue287] IMAS version check operational in imas2tofu.__init__, made…

[Didou09]

Main changes:

• At import time, tofu will execute 'module list' and 'module avail IMAS' (in imas2tofu.init.py)
• This will allow to check whether the IMAS version currently imported is the latest version
• If not, it will issue a warning to inform the user
• This test is non-critical, if it fails for some reason, no Exception is thrown and it does not affect tofu import

Successfully tested on IRFM clusters and on ITER clusters

Motivation:

• IMAS versions changes rapidly on ITER, with new easyconfig installs of IMAS issues regularly
• Many ids produced (by JINTRAC for example, see JIRA issue 2465) are only readable with the latest IMAS version and the user may not be able to read data properly if he did not load the proper IMAS version

Issues:

Fixes, in devel, Issue #287

Example on ITER:

In [1]: import tofu as tf
/home/ITER/vezined/ToFu_All/tofu/tofu/imas2tofu/__init__.py:81: UserWarning: 
You do not seem to be using the latest IMAS version:
'module list' vs 'module av IMAS' suggests:
	- Current version: 3.24.0-4.2.0
	- Latest version : 3.25.0-4.3.1
  warnings.warn(msg)
/home/ITER/vezined/ToFu_All/tofu/tofu/__init__.py:95: UserWarning: 
The following subpackages are not available:
    - tofu.mag
  => see tofu.dsub[<subpackage>] for details.
  warnings.warn(msg)

[pep8speaks]

Hello @Didou09! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2019-11-27 12:23:26 UTC

[codecov-io]

Codecov Report

Merging #289 into devel will decrease coverage by 0.05%.
The diff coverage is 5.26%.

@@            Coverage Diff             @@
##            devel     #289      +/-   ##
==========================================
- Coverage   41.11%   41.05%   -0.06%     
==========================================
  Files          79       79              
  Lines       23432    23468      +36     
==========================================
+ Hits         9633     9634       +1     
- Misses      13799    13834      +35

Impacted Files	Coverage Δ
tofu/version.py	100% <100%> (ø)	⬆️
tofu/imas2tofu/__init__.py	31.57% <2.7%> (-49.38%)	⬇️

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