Make it possible to pass shape from cli when generating python code

[finsberg]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #207 will degrade performances by 19.46%

_{Comparing pass-shape-cli (0cb7647) with main (90295c0)¹}

Summary

⚡ 1 improvement
❌ 3 regressions
✅ 4 untouched

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	test_python_explicit_euler	9.6 s	11.9 s	-19.46%
❌	test_python_generalized_rush_larsen	12.6 s	15.1 s	-16.52%
❌	test_python_no_schemes	6.9 s	8.3 s	-16.61%
⚡	test_save	3.3 s	3 s	+11.42%

Footnotes

1. No successful run was found on main (0cb7647) during the generation of this report, so 90295c0 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩