fix: remove ld_library_path when running from native executable (#602)

* fix: remove ld_library_path when running from native executable

* reformat with black

---------

Co-authored-by: Wing Fung Lau <4760060+hawflau@users.noreply.github.com>

aws_lambda_builders/workflows/python_pip/packager.py

@@ -772,12 +772,14 @@ def _execute(self, command, args, env_vars=None, shim=None):
         main_args = [command] + args
         LOG.debug("calling pip %s", " ".join(main_args))
         rc, out, err = self._wrapped_pip.main(main_args, env_vars=env_vars, shim=shim)
+        LOG.debug("pip stdout: %s", out)
+        LOG.debug("pip stderr: %s", err)
         return rc, out, err
 
     def build_wheel(self, wheel, directory, compile_c=True):
         """Build an sdist into a wheel file."""
         arguments = ["--no-deps", "--wheel-dir", directory, wheel]
-        env_vars = self._osutils.environ()
+        env_vars = self._osutils.original_environ()
         shim = ""
         if not compile_c:
             env_vars.update(pip_no_compile_c_env_vars)

aws_lambda_builders/workflows/python_pip/utils.py

@@ -16,9 +16,6 @@
 
 
 class OSUtils(object):
-    def environ(self):
-        return os.environ
-
     def original_environ(self):
         # https://pyinstaller.readthedocs.io/en/stable/runtime-information.html#ld-library-path-libpath-considerations
         env = dict(os.environ)

tests/functional/workflows/python_pip/test_packager.py

@@ -4,7 +4,7 @@
 import tarfile
 import io
 from collections import defaultdict, namedtuple
-from unittest import mock
+from unittest import TestCase, mock
 
 import pytest
 
@@ -182,7 +182,7 @@ def osutils():
 @pytest.fixture
 def empty_env_osutils():
     class EmptyEnv(object):
-        def environ(self):
+        def original_environ(self):
             return {}
 
     return EmptyEnv()
@@ -830,6 +830,16 @@ def test_build_into_existing_dir_with_preinstalled_packages(self, tmpdir, osutil
         assert installed_packages == ["bar"]
 
 
+class TestPipRunner(TestCase):
+    def test_build_wheel_calls_pip_without_ld_library_path(self):
+        pip_mock = mock.Mock()
+        pip_mock.main.return_value = (0, "out", "err")
+        os_utils_mock = mock.Mock()
+        pip_runner = PipRunner(mock.Mock(), pip_mock, os_utils_mock)
+        pip_runner.build_wheel("wheel", "dir")
+        os_utils_mock.original_environ.assert_called_once()
+
+
 class TestSubprocessPip(object):
     def test_can_invoke_pip(self):
         pip = SubprocessPip(python_exe=sys.executable)

tests/unit/workflows/python_pip/test_packager.py

@@ -61,7 +61,7 @@ class CustomEnv(OSUtils):
     def __init__(self, env):
         self._env = env
 
-    def environ(self):
+    def original_environ(self):
         return self._env