Add configuration setting to disable entrypoint generation.

Fixes #255

Author: zooba

src/manage/aliasutils.py

@@ -289,6 +289,9 @@ def calculate_aliases(cmd, install, *, _scan=_scan):
         if default_alias_w:
             yield default_alias_w.replace(name="pythonw", windowed=1)
 
+    if not cmd.enable_entrypoints:
+        return
+
     site_dirs = DEFAULT_SITE_DIRS
     for s in install.get("shortcuts", ()):
         if s.get("kind") == "site-dirs":

src/manage/commands.py

@@ -257,6 +257,7 @@ def execute(self):
         "disable_shortcut_kinds": (str, config_split_append),
         "default_install_tag": (str, None),
         "preserve_site_on_upgrade": (config_bool, None),
+        "enable_entrypoints": (config_bool, None),
     },
 
     "first_run": {
@@ -821,6 +822,7 @@ class InstallCommand(BaseCommand):
     disable_shortcut_kinds = None
     default_install_tag = None
     preserve_site_on_upgrade = True
+    enable_entrypoints = True
 
     def __init__(self, args, root=None):
         super().__init__(args, root)