old_contents: from benchbuild.project import wrap
  from benchbuild.projects.benchbuild.group import BenchBuildGroup
  from benchbuild.utils.compiler import lt_clang, lt_clang_cxx
  from benchbuild.utils.downloader import Wget
  from benchbuild.utils.run import run
  
  from plumbum import local
  from benchbuild.utils.cmd import make, tar
  
  from os import path
  
  
  class Python(BenchBuildGroup):
      """ python benchmarks """
  
      NAME = 'python'
      DOMAIN = 'compilation'
      VERSION = '3.4.3'
  
      src_dir = "Python-{0}".format(VERSION)
      SRC_FILE = src_dir + ".tar.xz"
      src_uri = "https://www.python.org/ftp/python/{0}/".format(VERSION) \
          + SRC_FILE
  
      def download(self):
          Wget(self.src_uri, self.SRC_FILE)
          tar("xfJ", self.SRC_FILE)
  
      def configure(self):
          clang = lt_clang(self.cflags, self.ldflags, self.compiler_extension)
          clang_cxx = lt_clang_cxx(self.cflags, self.ldflags,
                                   self.compiler_extension)
  
          with local.cwd(self.src_dir):
              configure = local["./configure"]
              with local.env(CC=str(clang), CXX=str(clang_cxx)):
                  run(configure["--disable-shared", "--without-gcc"])
  
      def build(self):
          with local.cwd(self.src_dir):
              run(make)
  
      def run_tests(self, experiment):
          exp = wrap(path.join(self.src_dir, "python"), experiment)
  
          with local.cwd(self.src_dir):
              run(make["TESTPYTHON=" + str(exp), "-i", "test"])
  
new_contents: from benchbuild.project import wrap
  from benchbuild.projects.benchbuild.group import BenchBuildGroup
  from benchbuild.utils.compiler import lt_clang, lt_clang_cxx
  from benchbuild.utils.downloader import Wget
  from benchbuild.utils.run import run
  
  from plumbum import local
  from benchbuild.utils.cmd import make, tar
  
  from os import path
  
  
  class Python(BenchBuildGroup):
      """ python benchmarks """
  
      NAME = 'python'
      DOMAIN = 'compilation'
      VERSION = '3.4.3'
  
      src_dir = "Python-{0}".format(VERSION)
      SRC_FILE = src_dir + ".tar.xz"
      src_uri = "https://www.python.org/ftp/python/{0}/".format(VERSION) \
          + SRC_FILE
  
      def download(self):
          Wget(self.src_uri, self.SRC_FILE)
          tar("xfJ", self.SRC_FILE)
  
      def configure(self):
          clang = lt_clang(self.cflags, self.ldflags, self.compiler_extension)
          clang_cxx = lt_clang_cxx(self.cflags, self.ldflags,
                                   self.compiler_extension)
  
          with local.cwd(self.src_dir):
              configure = local["./configure"]
              with local.env(CC=str(clang), CXX=str(clang_cxx)):
                  run(configure["--disable-shared", "--without-gcc"])
  
      def build(self):
          with local.cwd(self.src_dir):
              run(make)
  
      def run_tests(self, experiment):
          wrap(path.join(self.src_dir, "python"), experiment)
  
          with local.cwd(self.src_dir):
              run(make["-i", "test"])
  
subject: clean the test-build