update: Add counts for projects and contexts

[mrshu]

• Add projects_counts and contexts_counts functions to
  TodoListBase that return a dict of all projects/contexts along with
  their counts.

• Add command line flags to lsproj and lscont that allow
  project/contexts to be listed with their respective counts, while also
  being sorted by this count.

• Add tests for all new functionality.

Signed-off-by: mr.Shu mr@shu.io

[mrshu]

@bram85 First of all, thanks a ton for such a nice project!

I am not sure if you'd be interested in an addition like this one, but I would very much appreciate it.

I am also not sure what the preferred output format of these "counts" should be, so I am happy to refactor this to meet the overall vision of topydo.

Thanks!

[codecov]

Codecov Report

Merging #249 into master will decrease coverage by 0.01%.
The diff coverage is 96.07%.

@@            Coverage Diff             @@
##           master     #249      +/-   ##
==========================================
- Coverage   96.98%   96.96%   -0.02%     
==========================================
  Files          51       51              
  Lines        2915     2962      +47     
  Branches      454      472      +18     
==========================================
+ Hits         2827     2872      +45     
  Misses         61       61              
- Partials       27       29       +2

Impacted Files	Coverage Δ
topydo/lib/TodoListBase.py	98.83% <100%> (+0.11%)	⬆️
topydo/commands/ListContextCommand.py	96.55% <94.44%> (-3.45%)	⬇️
topydo/commands/ListProjectCommand.py	96.55% <94.44%> (-3.45%)	⬇️

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[mrshu]

@bram85 Sadly, I was not able to increase coverage of the changes I introduced here, despite trying fairly hard.

If you'd have any pointers as to how to do that, please let me know -- I'll gladly do that.

Thanks!

[mrshu]

@bram85 Would you happen to have a quick moment to take a look at this?

Thanks!

[mrshu]

@bram85 Please feel free to let me know what I can do to move this forward.

Thanks!

[davesteele]

A couple of comments:

• There would need to be documentation in the TiddlyWiki
• The various ...with_counts... have a smell

Beyond that, as long as it is optional, I could see adding this.