Add IN_VIRTUAL_ENV

Closes #39
brettcannon · Sep 17, 2023 · 6098f43 · 6098f43
1 parent 48782ea
commit 6098f43
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diff --git a/microvenv/__init__.py b/microvenv/__init__.py
@@ -1 +1,8 @@
+import sys
+
+# Exported as part of the public API.
 from ._create import create as create
+
+# https://docs.python.org/3/library/venv.html#how-venvs-work
+IN_VIRTUAL_ENV = sys.prefix != sys.base_prefix
+
diff --git a/tests/test_in_virtual_env.py b/tests/test_in_virtual_env.py
@@ -0,0 +1,7 @@
+import sys
+
+import microvenv
+
+
+def test_in_virtual_env():
+    assert microvenv.IN_VIRTUAL_ENV == (sys.prefix != sys.base_prefix)