Automatically do --no-use-pep517 builds, even without wheel

stefanor · stefanor · commit d35a0984b57f · 2025-04-28T12:58:28.000-04:00
In #13330 I removed the command line argument check for this, but I hadn't realized that there were also heuristics that needed to be fixed.
diff --git a/news/13358.bugfix.rst b/news/13358.bugfix.rst
@@ -0,0 +1 @@
+Automatically use the legacy (non-PEP517) mode even without the `wheel` package.
diff --git a/src/pip/_internal/pyproject.py b/src/pip/_internal/pyproject.py
@@ -108,7 +108,6 @@ def load_pyproject_toml(
         use_pep517 = (
             has_pyproject
             or not importlib.util.find_spec("setuptools")
-            or not importlib.util.find_spec("wheel")
         )
 
     # At this point, we know whether we're going to use PEP 517.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Automatically use the legacy (non-PEP517) mode even without the `wheel` package.
Original file line number	Diff line number	Diff line change
`@@ -108,7 +108,6 @@ def load_pyproject_toml(`
`108`	`108`	`use_pep517 = (`
`109`	`109`	`has_pyproject`
`110`	`110`	`or not importlib.util.find_spec("setuptools")`
`111`		`- or not importlib.util.find_spec("wheel")`
`112`	`111`	`)`
`113`	`112`
`114`	`113`	`# At this point, we know whether we're going to use PEP 517.`