Loading of Global and User Configs

[shalearkane]

Now the Profile Manager class has been split into two parts :

1. Config File : This just concerns itself with just one file. It handles all the auto-discovering and loading of profiles (prepopulated form base profile properties or just the profile properties). It always raises exceptions when it faces any issues though when it loads secure configs, it suppresses exceptions.
2. ProfileManager : This class contains the logic to merge the different properties of profiles (from the Project Config and the Project User Config as well as the Global Config and Global User Config). This class handles all the exceptions raised in the Config File to provide a smooth user experience.

Config File is recommended when the user wants to load just one file while ProfileManager automates the merging of profiles.

TODO : Modify tests that checks if correct exceptions are being loaded.

[t1m0thyj]

Please add some line and block comments in either this file or the zowe.config.json fixture. The contents of the comments don't matter, they'll just help to verify that ProfileManager is able to load JSON with comments.

[t1m0thyj]

Thanks for replacing errors with warnings where the exception isn't fatal and it makes sense to try continuing 👍

For debugging purposes it would be useful to include the exception message in the warning. Could you update this and all the "Could not load X Config" warnings below to include the exception? Something like this:

warnings.warn(f"Could not load Project Config {self.project_config.name}:\n{exc}")

[codecov]

Codecov Report

Base: 64.11% // Head: 66.96% // Increases project coverage by +2.85% 🎉

Coverage data is based on head (098d176) compared to base (904e884).
Patch coverage: 85.41% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             next     #113      +/-   ##
==========================================
+ Coverage   64.11%   66.96%   +2.85%     
==========================================
  Files          28       31       +3     
  Lines        1006     1111     +105     
==========================================
+ Hits          645      744      +99     
- Misses        361      367       +6     

Flag	Coverage Δ
unittests	66.96% <85.41%> (+2.85%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/core/zowe/core_for_zowe_sdk/config_file.py	82.83% <82.83%> (ø)
src/core/zowe/core_for_zowe_sdk/custom_warnings.py	85.00% <85.00%> (ø)
src/core/zowe/core_for_zowe_sdk/profile_manager.py	88.76% <87.14%> (+11.45%)	⬆️
src/core/zowe/core_for_zowe_sdk/__init__.py	100.00% <100.00%> (ø)
...c/core/zowe/core_for_zowe_sdk/profile_constants.py	100.00% <100.00%> (ø)
tests/unit/test_zowe_core.py	98.44% <100.00%> (ø)
src/core/zowe/core_for_zowe_sdk/exceptions.py	75.00% <0.00%> (-7.15%)	⬇️

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[t1m0thyj]

Closing in favor of #131