✨ [yaml2json] Add script

docs/index.rst

@@ -13,6 +13,7 @@
    mbox2maildir
    stardate
    python-stdlib
+   yaml2json
    contributing
    Code of Conduct <codeofconduct>
    License <license>

docs/yaml2json.rst

@@ -0,0 +1,4 @@
+yaml2json
+=========
+
+TBD

noxfile.py

@@ -140,7 +140,7 @@ def mypy(session: Session) -> None:
     """Type-check using mypy."""
     args = session.posargs or ["src", "tests", "docs/conf.py"]
     session.install(".")
-    session.install("mypy", "pytest")
+    session.install("mypy", "pytest", "types-PyYAML")
     session.run("mypy", *args)
     if not session.posargs:
         session.run("mypy", f"--python-executable={sys.executable}", "noxfile.py")

pyproject.toml

@@ -24,6 +24,7 @@ rich = ">=10.15.2"
 matplotlib = ">=3.5.0"
 "github3.py" = ">=3.0.0"
 Pygments = ">=2.10.0"
+PyYAML = ">=6.0"
 
 [tool.poetry.dev-dependencies]
 pytest = ">=6.2.5"
@@ -50,13 +51,15 @@ Pygments = ">=2.10.0"
 pyupgrade = ">=2.29.1"
 furo = ">=2021.11.12"
 sphinx-argparse = ">=0.3.1"
+types-PyYAML = ">=6.0.1"
 
 [tool.poetry.scripts]
 stardate = "cjolowicz_scripts.stardate:main"
 dependabot-rebase-all = "cjolowicz_scripts.dependabot_rebase_all:main"
 mbox2maildir = "cjolowicz_scripts.mbox2maildir:main"
 python-stdlib = "cjolowicz_scripts.python_stdlib:main"
 compare-tools = "cjolowicz_scripts.compare_tools:main"
+yaml2json = "cjolowicz_scripts.yaml2json:main"
 
 [tool.coverage.paths]
 source = ["src", "*/site-packages"]

src/cjolowicz_scripts/yaml2json.py

@@ -0,0 +1,18 @@
+"""Convert YAML to JSON."""
+import json
+import sys
+
+import yaml
+
+
+def main() -> None:
+    """Convert YAML to JSON."""
+    data = yaml.safe_load(sys.stdin)
+
+    json.dump(data, sys.stdout, sort_keys=True, indent=2)
+
+    print()
+
+
+if __name__ == "__main__":
+    main()