feat(backport): correctionlib (JSON-POG) adapter classes for CorrectedJetsFactory (#1522)

* feat: add correctionlib adapters and tests for jet corrections

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* feat: add input validation for JEC corrections and update test documentation

* fix: standardize assertion methods in correctionlib adapter tests and update name mapping for consistency

* use Rho for the other test too

* rename test

* remove a few rtol and atol

* consistency with master

* fix: enhance getCorrection, getResolution, and getScaleFactor methods to support lazy caching

* consistency with old jetmet tools regarding virtualness

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Iason Krommydas <iason.krom@gmail.com>

Author: 3 people

coffea/jetmet_tools/__init__.py

@@ -11,6 +11,13 @@
 from .JECStack import JECStack
 from .CorrectedJetsFactory import CorrectedJetsFactory
 from .CorrectedMETFactory import CorrectedMETFactory
+from .correctionlib_adapters import (
+    CorrectionLibJEC,
+    CorrectionLibJECStack,
+    CorrectionLibJER,
+    CorrectionLibJERSF,
+    CorrectionLibJUNC,
+)
 
 __all__ = [
     "FactorizedJetCorrector",
@@ -20,4 +27,9 @@
     "JECStack",
     "CorrectedJetsFactory",
     "CorrectedMETFactory",
+    "CorrectionLibJEC",
+    "CorrectionLibJER",
+    "CorrectionLibJERSF",
+    "CorrectionLibJUNC",
+    "CorrectionLibJECStack",
 ]