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/python-modules/cryptography/cryptography-py27-warning.patch

@@ -0,0 +1,14 @@
+Delete the warning that breaks tests of dependent projects.
+
+--- a/src/cryptography/__init__.py
++++ b/src/cryptography/__init__.py
+@@ -33,9 +32,0 @@ __all__ = [
+-
+-if sys.version_info[0] == 2:
+-    warnings.warn(
+-        "Python 2 is no longer supported by the Python core team. Support for "
+-        "it is now deprecated in cryptography, and will be removed in the "
+-        "next release.",
+-        CryptographyDeprecationWarning,
+-        stacklevel=2,
+-    )

pkgs/development/python-modules/cryptography/default.nix

@@ -0,0 +1,95 @@
+{ lib
+, stdenv
+, callPackage
+, buildPythonPackage
+, fetchPypi
+, rustPlatform
+, setuptools-rust
+, openssl
+, Security
+, packaging
+, six
+, isPyPy
+, cffi
+, pytestCheckHook
+, pytest-subtests
+, pretend
+, libiconv
+, iso8601
+, pytz
+, hypothesis
+}:
+
+let
+  cryptography-vectors = callPackage ./vectors.nix { };
+in
+buildPythonPackage rec {
+  pname = "cryptography";
+  version = "36.0.2"; # Also update the hash in vectors.nix
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-cPj097sqyfNAZVy6yJ1oxSevW7Q4dSKoQT6EHj5mKMk=";
+  };
+
+  cargoDeps = rustPlatform.fetchCargoTarball {
+    inherit src;
+    sourceRoot = "${pname}-${version}/${cargoRoot}";
+    name = "${pname}-${version}";
+    sha256 = "sha256-6C4N445h4Xf2nCc9rJWpSZaNPilR9GfgbmKvNlSIFqg=";
+  };
+
+  cargoRoot = "src/rust";
+
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = lib.optionals (!isPyPy) [
+    cffi
+  ] ++ [
+    rustPlatform.cargoSetupHook
+    setuptools-rust
+  ] ++ (with rustPlatform; [ rust.cargo rust.rustc ]);
+
+  buildInputs = [ openssl ]
+    ++ lib.optionals stdenv.isDarwin [ Security libiconv ];
+
+  propagatedBuildInputs = lib.optionals (!isPyPy) [
+    cffi
+  ];
+
+  checkInputs = [
+    cryptography-vectors
+    hypothesis
+    iso8601
+    pretend
+    pytestCheckHook
+    pytest-subtests
+    pytz
+  ];
+
+  pytestFlagsArray = [
+    "--disable-pytest-warnings"
+  ];
+
+  disabledTestPaths = lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
+    # aarch64-darwin forbids W+X memory, but this tests depends on it:
+    # * https://cffi.readthedocs.io/en/latest/using.html#callbacks
+    "tests/hazmat/backends/test_openssl_memleak.py"
+  ];
+
+  meta = with lib; {
+    description = "A package which provides cryptographic recipes and primitives";
+    longDescription = ''
+      Cryptography includes both high level recipes and low level interfaces to
+      common cryptographic algorithms such as symmetric ciphers, message
+      digests, and key derivation functions.
+      Our goal is for it to be your "cryptographic standard library". It
+      supports Python 2.7, Python 3.5+, and PyPy 5.4+.
+    '';
+    homepage = "https://github.com/pyca/cryptography";
+    changelog = "https://cryptography.io/en/latest/changelog/#v"
+      + replaceStrings [ "." ] [ "-" ] version;
+    license = with licenses; [ asl20 bsd3 psfl ];
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}

pkgs/development/python-modules/cryptography/vectors.nix

@@ -0,0 +1,26 @@
+{ buildPythonPackage, fetchPypi, lib, cryptography }:
+
+buildPythonPackage rec {
+  pname = "cryptography-vectors";
+  # The test vectors must have the same version as the cryptography package
+  inherit (cryptography) version;
+
+  src = fetchPypi {
+    pname = "cryptography_vectors";
+    inherit version;
+    sha256 = "sha256-KnkkRJoDAl+vf4dUpvQgAAHKshBzSmzmrB9r2s06aOQ=";
+  };
+
+  # No tests included
+  doCheck = false;
+
+  pythonImportsCheck = [ "cryptography_vectors" ];
+
+  meta = with lib; {
+    description = "Test vectors for the cryptography package";
+    homepage = "https://cryptography.io/en/latest/development/test-vectors/";
+    # Source: https://github.com/pyca/cryptography/tree/master/vectors;
+    license = with licenses; [ asl20 bsd3 ];
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}