Jason R. Coombs avatar Jason R. Coombs committed f8850e2

Add a check for wheel early to avoid failures late. Ref #1273

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Files changed (1)

 import os
 import platform
 import shutil
+import importlib
+def check_wheel():
+	"""
+	Ensure 'wheel' is installed (required for bdist_wheel).
+	"""
+	try:
+		importlib.import_module('wheel')
+	except ImportError:
+		print("CherryPy requires 'wheel' be installed to produce wheels.",
+			file=sys.stderr)
+		raise SystemExit(5)
 def check_status():
 	Make sure there aren't outstanding changesets that are unpushed, maybe
 		"or later.")
 	assert platform.system() == 'Windows', ('You must release on Windows '
 		'(to create Windows installers)')
+	check_wheel()
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