[patch] Runnable flexibility and a new output signal

[liamhuber]

Now we always use the same callback function, but each step of the Runnable.run cycle flexibly lets child classes define kwargs for each step. This lets us stop passing the callback function as an argument and just always use Runnable._finish_run.

In Node, the new kwargs mean we can move firing the signals over to the _run_finally method, and take advantage of this to add a new failed output signal.

There's a decent amount going on under the hood here, but for users there is no incompatible changes, just the new signal.

[github-actions]

👈 Launch a binder notebook on branch pyiron/pyiron_workflow/single_finish

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.01% (target: -1.00%)	✅ 94.59%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (f952807)	3270	2984	91.25%
Head commit (86385bc)	3279 (+9)	2992 (+8)	91.25% (-0.01%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#467)	37	35	94.59%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[coveralls]

Pull Request Test Coverage Report for Build 10969392791

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 39 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.007%) to 91.247%

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Files with Coverage Reduction	New Missed Lines	%
io.py	3	94.21%
mixin/run.py	10	90.2%
node.py	11	90.3%
nodes/standard.py	15	90.96%

Totals
Change from base Build 10968687985:	-0.007%
Covered Lines:	2992
Relevant Lines:	3279

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💛 - Coveralls