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--- a/setuptools/command/install_egg_info.py
+++ b/setuptools/command/install_egg_info.py
@@ -1,4 +1,4 @@
-import os
+import os, sys
from setuptools import Command, namespaces
from setuptools.archive_util import unpack_archive
@@ -19,11 +19,28 @@ class install_egg_info(namespaces.Instal
def initialize_options(self):
self.install_dir = None
+ self.install_layout = None
+ self.prefix_option = None
def finalize_options(self) -> None:
self.set_undefined_options('install_lib', ('install_dir', 'install_dir'))
+ self.set_undefined_options('install',('install_layout','install_layout'))
+ if sys.hexversion > 0x2060000:
+ self.set_undefined_options('install',('prefix_option','prefix_option'))
ei_cmd = self.get_finalized_command("egg_info")
basename = f"{ei_cmd._get_egg_basename()}.egg-info"
+
+ if self.install_layout:
+ if not self.install_layout.lower() in ['deb']:
+ raise DistutilsOptionError("unknown value for --install-layout")
+ self.install_layout = self.install_layout.lower()
+ basename = basename.replace('-py%s' % sys.version[:4], '')
+ elif self.prefix_option or 'real_prefix' in sys.__dict__:
+ # don't modify for virtualenv
+ pass
+ else:
+ basename = basename.replace('-py%s' % sys.version[:4], '')
+
self.source = ei_cmd.egg_info
self.target = os.path.join(self.install_dir, basename)
self.outputs: list[str] = []
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