Implement Data Sources #1144

Job	Run time
Generate comparison results	7m 26s
Generate comparison results	7m 26s
Test source with coverage	38m 32s
Test source with coverage	7m 40s
Test package (3.11 on ubuntu-latest)	4m 33s
Test package (3.11 on ubuntu-latest)	4m 35s
Test package (3.11 on macos-latest)	5m 54s
Test package (3.11 on macos-latest)	5m 0s
Test package (3.10 on ubuntu-latest)	4m 35s
Test package (3.10 on ubuntu-latest)	4m 46s
Test package (3.10 on macos-latest)	5m 16s
Test package (3.10 on macos-latest)	5m 13s
Test package (3.10 on windows-latest)	6m 24s
Test package (3.10 on windows-latest)	6m 30s
Test package (3.9 on ubuntu-latest)	4m 46s
Test package (3.9 on ubuntu-latest)	4m 50s
Test package (3.9 on macos-latest)	5m 22s
Test package (3.9 on macos-latest)	5m 26s
Test package (3.9 on windows-latest)	6m 34s
Test package (3.9 on windows-latest)	6m 41s
Test package (3.8 on ubuntu-latest)	4m 45s
Test package (3.8 on ubuntu-latest)	4m 38s
Test package (3.8 on macos-latest)	5m 43s
Test package (3.8 on macos-latest)	5m 43s
	2h 48m 18s

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