python.pkgs.acme-tiny : move to separate expression

pkgs/development/python-modules/acme-tiny/default.nix

@@ -0,0 +1,39 @@
+{ stdenv, buildPythonPackage, fetchFromGitHub
+, python, openssl }:
+
+buildPythonPackage rec {
+  pname = "acme-tiny";
+  version = "2016-03-26";
+  name = "${pname}-${version}";
+
+  src = fetchFromGitHub {
+    sha256 = "0ngmr3kxcvlqa9mrv3gx0rg4r67xvdjplqfminxliri3ipak853g";
+    rev = "7a5a2558c8d6e5ab2a59b9fec9633d9e63127971";
+    repo = "acme-tiny";
+    owner = "diafygi";
+  };
+
+  # source doesn't have any python "packaging" as such
+  configurePhase = " ";
+  buildPhase = " ";
+  # the tests are... complex
+  doCheck = false;
+
+  patchPhase = ''
+    substituteInPlace acme_tiny.py --replace "openssl" "${openssl.bin}/bin/openssl"
+  '';
+
+  installPhase = ''
+    mkdir -p $out/${python.sitePackages}/
+    cp acme_tiny.py $out/${python.sitePackages}/
+    mkdir -p $out/bin
+    ln -s $out/${python.sitePackages}/acme_tiny.py $out/bin/acme_tiny
+    chmod +x $out/bin/acme_tiny
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A tiny script to issue and renew TLS certs from Let's Encrypt";
+    homepage = https://github.com/diafygi/acme-tiny;
+    license = licenses.mit;
+  };
+}