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# this script should only be called via
# tox run -e check-min-python-is-tested
#
# no other usages are supported
import pathlib
import subprocess
import sys
import ruamel.yaml
YAML = ruamel.yaml.YAML(typ="safe")
REPO_ROOT = pathlib.Path(__file__).parent.parent
proc = subprocess.run(
["python", "-m", "mddj", "read", "requires-python", "--lower-bound"],
check=True,
capture_output=True,
cwd=REPO_ROOT,
)
requires_python_version = proc.stdout.decode().strip()
with open(REPO_ROOT / ".github" / "workflows" / "test.yaml") as f:
workflow = YAML.load(f)
includes = workflow["jobs"]["test"]["strategy"]["matrix"]["include"]
for include in includes:
if include["name"] == "Linux":
break
else:
raise ValueError("Could not find 'Linux' in the test matrix.")
for environment in include["tox-post-environments"]:
if environment.endswith("-mindeps"):
break
else:
raise ValueError("Could not find a '-mindeps' tox-post-environment.")
python_version, _, _ = environment.partition("-")
if python_version != f"py{requires_python_version}":
print("ERROR: ensure_min_python_is_tested.py failed!")
print(
f"\nPackage data sets 'Requires-Python: >={requires_python_version}', "
f"but the test-mindeps job is configured to test '{python_version}'.\n",
file=sys.stderr,
)
sys.exit(1)
proc = subprocess.run(
["python", "-m", "mddj", "read", "tox", "min-version"],
check=True,
capture_output=True,
cwd=REPO_ROOT,
)
tox_min_python_version = proc.stdout.decode().strip()
if tox_min_python_version != requires_python_version:
print("ERROR: ensure_min_python_is_tested.py failed!")
print(
f"\nPackage data sets 'Requires-Python: >={requires_python_version}', "
"but tox is configured to test with a minimum of "
f"'{tox_min_python_version}'.\n",
file=sys.stderr,
)
sys.exit(1)
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