Generate fast_parser.py with Schema SALAD codegen

.flake8

@@ -2,7 +2,7 @@
 ignore = E203,W503
 max-line-length = 100
 select = B,C,E,F,W,T4
-exclude = cwltool/schemas
+exclude = cwltool/schemas,cwltool/fast_parser.py
 extend-ignore = E501,B905
 # when Python 3.10 is the minimum version, re-enable check B905 for zip + strict
 extend-select = B9

Makefile

@@ -89,18 +89,18 @@ clean: FORCE
 
 # Linting and code style related targets
 ## sort_import            : sorting imports using isort: https://github.com/timothycrosley/isort
-sort_imports: $(PYSOURCES) mypy-stubs
+sort_imports: $(filter-out cwltool/fast_parser.py,$(PYSOURCES)) mypy-stubs
 	isort $^
 
-remove_unused_imports: $(PYSOURCES)
+remove_unused_imports: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	autoflake --in-place --remove-all-unused-imports $^
 
 pep257: pydocstyle
 ## pydocstyle             : check Python docstring style
-pydocstyle: $(PYSOURCES)
+pydocstyle:$(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	pydocstyle --add-ignore=D100,D101,D102,D103 $^ || true
 
-pydocstyle_report.txt: $(PYSOURCES)
+pydocstyle_report.txt: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	pydocstyle setup.py $^ > $@ 2>&1 || true
 
 ## diff_pydocstyle_report : check Python docstring style for changed files only
@@ -118,10 +118,10 @@ codespell-fix:
 
 ## format                 : check/fix all code indentation and formatting (runs black)
 format:
-	black --exclude cwltool/schemas setup.py cwltool.py cwltool tests mypy-stubs
+	black --exclude cwltool/fast_parser.py cwltool/schemas setup.py cwltool.py cwltool tests mypy-stubs
 
 format-check:
-	black --diff --check --exclude cwltool/schemas setup.py cwltool.py cwltool tests mypy-stubs
+	black --diff --check --exclude cwltool/fast_parser.py cwltool/schemas setup.py cwltool.py cwltool tests mypy-stubs
 
 ## pylint                 : run static code analysis on Python code
 pylint: $(PYSOURCES)
@@ -159,11 +159,11 @@ diff-cover.html: coverage.xml
 	diff-cover --compare-branch=main $^ --html-report $@
 
 ## test                   : run the cwltool test suite
-test: $(PYSOURCES)
+test: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	python3 -m pytest ${PYTEST_EXTRA}
 
 ## testcov                : run the cwltool test suite and collect coverage
-testcov: $(PYSOURCES)
+testcov: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	python3 -m pytest --cov --cov-config=.coveragerc --cov-report= ${PYTEST_EXTRA}
 
 sloccount.sc: $(PYSOURCES) Makefile
@@ -178,21 +178,31 @@ list-author-emails:
 	@git log --format='%aN,%aE' | sort -u | grep -v 'root'
 
 mypy3: mypy
-mypy: $(PYSOURCES)
+mypy: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	MYPYPATH=$$MYPYPATH:mypy-stubs mypy $^
 
-mypyc: $(PYSOURCES)
+mypyc: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	MYPYPATH=mypy-stubs CWLTOOL_USE_MYPYC=1 pip install --verbose -e . \
 		 && pytest -vv ${PYTEST_EXTRA}
 
 shellcheck: FORCE
 	shellcheck build-cwltool-docker.sh cwl-docker.sh release-test.sh conformance-test.sh \
 		cwltool-in-docker.sh
 
-pyupgrade: $(PYSOURCES)
+pyupgrade: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	pyupgrade --exit-zero-even-if-changed --py310-plus $^
 	auto-walrus $^
 
+cwltool/fast_parser.py: FORCE
+	schema-salad-tool --codegen python \
+		--codegen-parser-info "org.w3id.cwl.v1_2" \
+		--codegen-parent "https://w3id.org/cwl/salad=schema_salad.metaschema" \
+		--codegen-parent "https://w3id.org/cwl/cwl=cwl_utils.parser.cwl_v1_2" \
+		https://github.com/common-workflow-language/cwl-v1.2/raw/codegen/extensions.yml \
+		> $@
+
+regen_fast_parser: cwltool/fast_parser.py
+
 release-test: FORCE
 	git diff-index --quiet HEAD -- || ( echo You have uncommitted changes, please commit them and try again; false )
 	./release-test.sh
@@ -207,7 +217,7 @@ release:
 		twine upload testenv2/src/${MODULE}/dist/* && \
 		git tag ${VERSION} && git push --tags
 
-flake8: $(PYSOURCES)
+flake8: $(filter-out cwltool/fast_parser.py,$(PYSOURCES))
 	flake8 $^
 
 FORCE:

cwltool/context.py

@@ -21,7 +21,7 @@
 
 if TYPE_CHECKING:
     from _typeshed import SupportsWrite
-    from cwl_utils.parser.cwl_v1_2 import LoadingOptions
+    from schema_salad.runtime import LoadingOptions
 
     from .builder import Builder
     from .cwlprov.provenance_profile import ProvenanceProfile