uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/interpreters/python/tests/test_cpython_gdb/default.nix

@@ -0,0 +1,22 @@
+{ interpreter, lib, gdb, writeText, runCommand }:
+
+let
+  crashme-py = writeText "crashme.py" ''
+    import ctypes
+
+    def sentinel_foo_bar():
+        ctypes.memset(0, 1, 1)
+
+    sentinel_foo_bar()
+  '';
+in runCommand "python-gdb" {} ''
+  # test that gdb is able to recover the python stack frame of this segfault
+  ${gdb}/bin/gdb -batch -ex 'set debug-file-directory ${interpreter.debug}/lib/debug' \
+    -ex 'source ${interpreter}/share/gdb/libpython.py' \
+    -ex r \
+    -ex py-bt \
+    --args ${interpreter}/bin/python ${crashme-py} | grep 'in sentinel_foo_bar' > /dev/null
+
+  # success.
+  touch $out
+''

pkgs/development/interpreters/python/tests/test_environments/test_python.py

@@ -0,0 +1,55 @@
+"""
+Python interpreter and environment tests.
+
+These need to be executed with the standard library unittest.
+Third party test runners such as pytest cannot be used because
+that would interfere with the tests.
+"""
+
+import platform
+import sys
+import unittest
+import site
+
+
+ENV = "@env@"
+INTERPRETER = "@interpreter@"
+PYTHON_VERSION = "@pythonVersion@"
+
+IS_VIRTUALENV = @is_virtualenv@
+IS_VENV = @is_venv@
+IS_NIXENV = @is_nixenv@
+IS_PYPY = platform.python_implementation() == "PyPy"
+
+
+class TestCasePython(unittest.TestCase):
+
+    @unittest.skipIf(IS_PYPY, "Executable is incorrect and needs to be fixed.")
+    def test_interpreter(self):
+        self.assertEqual(sys.executable, INTERPRETER)
+
+    @unittest.skipIf(IS_PYPY, "Prefix is incorrect and needs to be fixed.")
+    def test_prefix(self):
+        self.assertEqual(sys.prefix, ENV)
+        self.assertEqual(sys.prefix, sys.exec_prefix)
+
+    def test_site_prefix(self):
+        self.assertTrue(sys.prefix in site.PREFIXES)
+
+    @unittest.skipIf(IS_PYPY or sys.version_info.major==2, "Python 2 does not have base_prefix")
+    def test_base_prefix(self):
+        if IS_VENV or IS_NIXENV or IS_VIRTUALENV:
+            self.assertNotEqual(sys.prefix, sys.base_prefix)
+        else:
+            self.assertEqual(sys.prefix, sys.base_prefix)
+
+    @unittest.skipIf(sys.version_info.major==3, "sys.real_prefix is only set by virtualenv in case of Python 2.")
+    def test_real_prefix(self):
+        self.assertTrue(hasattr(sys, "real_prefix") == IS_VIRTUALENV)
+
+    def test_python_version(self):
+        self.assertTrue(platform.python_version().startswith(PYTHON_VERSION))
+
+
+if __name__ == "__main__":
+    unittest.main()

pkgs/development/interpreters/python/tests/test_nix_pythonprefix/default.nix

@@ -0,0 +1,25 @@
+{ interpreter, writeText, runCommand }:
+
+let
+
+  python = let
+    packageOverrides = self: super: {
+      typeddep = self.callPackage ./typeddep {};
+    };
+  in interpreter.override {inherit packageOverrides; self = python;};
+
+  pythonEnv = python.withPackages(ps: [
+    ps.typeddep
+    ps.mypy
+  ]);
+
+  pythonScript = writeText "myscript.py" ''
+    from typeddep import util
+    s: str = util.echo("hello")
+    print(s)
+  '';
+
+in runCommand "${interpreter.name}-site-prefix-mypy-test" {} ''
+  ${pythonEnv}/bin/mypy ${pythonScript}
+  touch $out
+''

pkgs/development/interpreters/python/tests/test_nix_pythonprefix/typeddep/default.nix

@@ -0,0 +1,13 @@
+{ buildPythonPackage, pythonOlder }:
+
+
+buildPythonPackage {
+
+  pname = "typeddep";
+  version = "1.3.3.7";
+
+  src = ./.;
+
+  disabled = pythonOlder "3.7";
+
+}

pkgs/development/interpreters/python/tests/test_nix_pythonprefix/typeddep/setup.py

@@ -0,0 +1,18 @@
+from setuptools import setup
+
+setup(**{
+    'name': 'typeddep',
+    'version': '1.3.3.7',
+    'description': 'Minimal repro to test mypy and site prefixes with Nix',
+    'long_description': None,
+    'author': 'adisbladis',
+    'author_email': 'adisbladis@gmail.com',
+    'maintainer': None,
+    'maintainer_email': None,
+    'url': None,
+    'packages': ['typeddep'],
+    'package_data': {'': ['*']},
+    'install_requires': [],
+    'entry_points': {},
+    'python_requires': '>=3.7,<4.0',
+})

pkgs/development/interpreters/python/tests/test_nix_pythonprefix/typeddep/typeddep/util.py

@@ -0,0 +1,2 @@
+def echo(s: str) -> str:
+    return s