example

.gitignore

@@ -5,3 +5,5 @@ bazel-*
 
 venv/
 .venv/
+
+__pycache__

examples/typical/BUILD.bazel

@@ -14,5 +14,7 @@ create_venv(name = "create-venv")
 create_venv(
     name = "create-venv-custom-destination",
     destination_folder = ".venv",
-    site_packages_extra_files = ["sitecustomize.py"],
+    site_packages_extra_files = [
+        "site_packages_extra/sitecustomize.py",
+    ],
 )

examples/typical/site_packages_extra/lib/python/hello/hello.py

@@ -0,0 +1,2 @@
+def hello() -> None:
+    print("Hello")

examples/typical/site_packages_extra/sitecustomize.py

@@ -0,0 +1,12 @@
+# This file is loaded by the Python interpreter and can alter the Python module loading process.
+# We use it to inject lib/python into our PYTHON_PATH so that we can import modules relative to this directory.
+import os
+import sys
+
+dirname = os.path.dirname(__file__)
+# Add site_packages_extra/lib/python to path so we can import `hello`` without the site_packages_extra.lib.python prefix
+sys.path.append(
+    os.path.abspath(os.path.join(dirname, "../../../../site_packages_extra/lib/python"))
+)
+# Add repo root to the path
+sys.path.append(os.path.abspath(os.path.join(dirname, "../../../..")))