Merge pull request #1986 from vstinner/skip_wininst

Fix install_scripts() if bdist_wininst is missing
pypa · Feb 5, 2020 · 5d17586 · 5d17586
2 parents 54b76e6 + b0ecd44
commit 5d17586
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diff --git a/changelog.d/1985.change.rst b/changelog.d/1985.change.rst
@@ -0,0 +1 @@
+Add support for installing scripts in environments where bdist_wininst is missing (i.e. Python 3.9).
diff --git a/setuptools/command/install_scripts.py b/setuptools/command/install_scripts.py
@@ -32,8 +32,11 @@ def run(self):
         )
         bs_cmd = self.get_finalized_command('build_scripts')
         exec_param = getattr(bs_cmd, 'executable', None)
-        bw_cmd = self.get_finalized_command("bdist_wininst")
-        is_wininst = getattr(bw_cmd, '_is_running', False)
+        try:
+            bw_cmd = self.get_finalized_command("bdist_wininst")
+            is_wininst = getattr(bw_cmd, '_is_running', False)
+        except ImportError:
+            is_wininst = False
         writer = ei.ScriptWriter
         if is_wininst:
             exec_param = "python.exe"