pyrox.dev
1From 21563405d6e2348ee457187f7fb61beb102bb367 Mon Sep 17 00:00:00 2001
2From: Frederik Rietdijk <fridh@fridh.nl>
3Date: Sun, 24 May 2020 09:33:13 +0200
4Subject: [PATCH] Check base_prefix and base_exec_prefix for Python 2
5
6This is a Nixpkgs-specific change so it can support virtualenvs from Nix envs.
7---
8 src/virtualenv/discovery/py_info.py | 8 ++++++--
9 1 file changed, 6 insertions(+), 2 deletions(-)
10
11diff --git a/src/virtualenv/discovery/py_info.py b/src/virtualenv/discovery/py_info.py
12index 6f12128..74e9218 100644
13--- a/src/virtualenv/discovery/py_info.py
14+++ b/src/virtualenv/discovery/py_info.py
15@@ -51,13 +51,17 @@ class PythonInfo(object):
16 self.version = u(sys.version)
17 self.os = u(os.name)
18
19+ config_vars = {} if sys.version_info.major is not 2 else sysconfig._CONFIG_VARS
20+ base_prefix = config_vars.get("prefix")
21+ base_exec_prefix = config_vars.get("exec_prefix")
22+
23 # information about the prefix - determines python home
24 self.prefix = u(abs_path(getattr(sys, "prefix", None))) # prefix we think
25- self.base_prefix = u(abs_path(getattr(sys, "base_prefix", None))) # venv
26+ self.base_prefix = u(abs_path(getattr(sys, "base_prefix", base_prefix))) # venv
27 self.real_prefix = u(abs_path(getattr(sys, "real_prefix", None))) # old virtualenv
28
29 # information about the exec prefix - dynamic stdlib modules
30- self.base_exec_prefix = u(abs_path(getattr(sys, "base_exec_prefix", None)))
31+ self.base_exec_prefix = u(abs_path(getattr(sys, "base_exec_prefix", base_exec_prefix)))
32 self.exec_prefix = u(abs_path(getattr(sys, "exec_prefix", None)))
33
34 self.executable = u(abs_path(sys.executable)) # the executable we were invoked via
35--
362.25.1
37