Features/746 print0 print toggle

[coquelin77]

Description

Adds a toggle function to switch between local printing and global printing for easier usability and debugging.

Issue/s resolved: #746

Changes proposed:

• added local and global printing options
• added a print0 function to both the heat namespace and the builtins

Type of change

• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • this would only be a breaking change if another function relies on global printing and that is not set explicitly

Due Diligence

• All split configurations tested
• Multiple dtypes tested in relevant functions
• Documentation updated (if needed)
• Updated changelog.md under the title "Pending Additions"

Does this change modify the behaviour of other functions? If so, which?

yes -> the built in print statement will change depending on which mode is selected

[codecov]

Codecov Report

Merging #816 (e542860) into master (2867fe9) will increase coverage by 0.00%.
The diff coverage is 95.83%.

@@           Coverage Diff           @@
##           master     #816   +/-   ##
=======================================
  Coverage   95.52%   95.52%           
=======================================
  Files          64       64           
  Lines        9617     9640   +23     
=======================================
+ Hits         9187     9209   +22     
- Misses        430      431    +1     

Flag	Coverage Δ
gpu	94.65% <91.66%> (-0.01%)	⬇️
unit	91.12% <95.83%> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
heat/core/printing.py	96.51% <95.83%> (-0.32%)	⬇️

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[coquelin77]

this might fail on coverage but im not sure how to test print0. any ideas for how to test this @Markus-Goetz ?

[coquelin77]

rerun tests

[mtar]

What do you think about printing the local metadata too? Similar to DNDarray. LNDarray([], dtype, device, split) or something like that. It can be useful for debugging.