[Python-checkins] gh-90473: disable user site packages on WASI/Emscripten (GH-93633)

[miss-islington]

https://github.com/python/cpython/commit/4c41f2115303c180a4438c8bedec9d7db1d54cb5
commit: 4c41f2115303c180a4438c8bedec9d7db1d54cb5
branch: 3.11
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2022-06-09T09:12:51-07:00
summary:

gh-90473: disable user site packages on WASI/Emscripten (GH-93633)

(cherry picked from commit 5a4af3ab030a3f3e708ee83d7d4ca3cb2d5b7360)

Co-authored-by: Christian Heimes <christian at python.org>

files:
A Misc/NEWS.d/next/Library/2022-06-09-10-12-55.gh-issue-90473.683m_C.rst
M Lib/site.py
M Lib/sysconfig.py

diff --git a/Lib/site.py b/Lib/site.py
index b11cd48e69e9a..69670d9d7f223 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -266,8 +266,8 @@ def _getuserbase():
     if env_base:
         return env_base
 
-    # VxWorks has no home directories
-    if sys.platform == "vxworks":
+    # Emscripten, VxWorks, and WASI have no home directories
+    if sys.platform in {"emscripten", "vxworks", "wasi"}:
         return None
 
     def joinuser(*args):
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index e21b7303fecc6..bf926cf76807b 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -111,8 +111,8 @@ def _getuserbase():
     if env_base:
         return env_base
 
-    # VxWorks has no home directories
-    if sys.platform == "vxworks":
+    # Emscripten, VxWorks, and WASI have no home directories
+    if sys.platform in {"emscripten", "vxworks", "wasi"}:
         return None
 
     def joinuser(*args):
diff --git a/Misc/NEWS.d/next/Library/2022-06-09-10-12-55.gh-issue-90473.683m_C.rst b/Misc/NEWS.d/next/Library/2022-06-09-10-12-55.gh-issue-90473.683m_C.rst
new file mode 100644
index 0000000000000..b053a8e9a0813
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-06-09-10-12-55.gh-issue-90473.683m_C.rst
@@ -0,0 +1,2 @@
+Emscripten and WASI have no home directory and cannot provide :pep:`370`
+user site directory.