text: # Copyright DataStax, Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from __future__ import print_function
  import os
  import sys
  import warnings
  
  if __name__ == '__main__' and sys.argv[1] == "gevent_nosetests":
      print("Running gevent tests")
      from gevent.monkey import patch_all
      patch_all()
  
  if __name__ == '__main__' and sys.argv[1] == "eventlet_nosetests":
      print("Running eventlet tests")
      from eventlet import monkey_patch
      monkey_patch()
  
  import ez_setup
  ez_setup.use_setuptools()
  
  from setuptools import setup
  from distutils.command.build_ext import build_ext
  from distutils.core import Extension
  from distutils.errors import (CCompilerError, DistutilsPlatformError,
                                DistutilsExecError)
  from distutils.cmd import Command
  
  PY3 = sys.version_info[0] == 3
  
  try:
      import subprocess
      has_subprocess = True
  except ImportError:
      has_subprocess = False
  
  from cassandra import __version__
  
  long_description = ""
  with open("README.rst") as f:
      long_description = f.read()
  
  
  try:
      from nose.commands import nosetests
  except ImportError:
      gevent_nosetests = None
      eventlet_nosetests = None
  else:
      class gevent_nosetests(nosetests):
          description = "run nosetests with gevent monkey patching"
  
      class eventlet_nosetests(nosetests):
          description = "run nosetests with eventlet monkey patching"
  
  has_cqlengine = False
  if __name__ == '__main__' and sys.argv[1] == "install":
      try:
          import cqlengine
          has_cqlengine = True
      except ImportError:
          pass
  
  PROFILING = False
  
  
  class DocCommand(Command):
  
      description = "generate or test documentation"
  
      user_options = [("test", "t",
                       "run doctests instead of generating documentation")]
  
      boolean_options = ["test"]
  
      def initialize_options(self):
          self.test = False
  
      def finalize_options(self):
          pass
  
      def run(self):
          if self.test:
              path = "docs/_build/doctest"
              mode = "doctest"
          else:
              path = "docs/_build/%s" % __version__
              mode = "html"
  
              try:
                  os.makedirs(path)
              except:
                  pass
  
          if has_subprocess:
              # Prevent run with in-place extensions because cython-generated objects do not carry docstrings
              # http://docs.cython.org/src/userguide/special_methods.html#docstrings
              import glob
              for f in glob.glob("cassandra/*.so"):
                  print("Removing '%s' to allow docs to run on pure python modules." %(f,))
                  os.unlink(f)
  
              # Build io extension to make import and docstrings work
              try:
                  output = subprocess.check_output(
                      ["python", "setup.py", "build_ext", "--inplace", "--force", "--no-murmur3", "--no-cython"],
                      stderr=subprocess.STDOUT)
              except subprocess.CalledProcessError as exc:
                  raise RuntimeError("Documentation step '%s' failed: %s: %s" % ("build_ext", exc, exc.output))
              else:
                  print(output)
  
              try:
                  output = subprocess.check_output(
                      ["sphinx-build", "-b", mode, "docs", path],
                      stderr=subprocess.STDOUT)
              except subprocess.CalledProcessError as exc:
                  raise RuntimeError("Documentation step '%s' failed: %s: %s" % (mode, exc, exc.output))
              else:
                  print(output)
  
              print("")
              print("Documentation step '%s' performed, results here:" % mode)
              print("   file://%s/%s/index.html" % (os.path.dirname(os.path.realpath(__file__)), path))
  
  
  class BuildFailed(Exception):
  
      def __init__(self, ext):
          self.ext = ext
  
  
  murmur3_ext = Extension('cassandra.cmurmur3',
                          sources=['cassandra/cmurmur3.c'])
  
  libev_ext = Extension('cassandra.io.libevwrapper',
                        sources=['cassandra/io/libevwrapper.c'],
                        include_dirs=['/usr/include/libev', '/usr/local/include', '/opt/local/include'],
                        libraries=['ev'],
                        library_dirs=['/usr/local/lib', '/opt/local/lib'])
  
  platform_unsupported_msg = \
  """
  ===============================================================================
  The optional C extensions are not supported on this platform.
  ===============================================================================
  """
  
  arch_unsupported_msg = \
  """
  ===============================================================================
  The optional C extensions are not supported on big-endian systems.
  ===============================================================================
  """
  
  pypy_unsupported_msg = \
  """
  =================================================================================
  Some optional C extensions are not supported in PyPy. Only murmur3 will be built.
  =================================================================================
  """
  
  is_windows = os.name == 'nt'
  
  is_pypy = "PyPy" in sys.version
  if is_pypy:
      sys.stderr.write(pypy_unsupported_msg)
  
  is_supported_platform = sys.platform != "cli" and not sys.platform.startswith("java")
  is_supported_arch = sys.byteorder != "big"
  if not is_supported_platform:
      sys.stderr.write(platform_unsupported_msg)
  elif not is_supported_arch:
      sys.stderr.write(arch_unsupported_msg)
  
  try_extensions = "--no-extensions" not in sys.argv and is_supported_platform and is_supported_arch and not os.environ.get('CASS_DRIVER_NO_EXTENSIONS')
  try_murmur3 = try_extensions and "--no-murmur3" not in sys.argv
  try_libev = try_extensions and "--no-libev" not in sys.argv and not is_pypy and not is_windows
  try_cython = try_extensions and "--no-cython" not in sys.argv and not is_pypy and not os.environ.get('CASS_DRIVER_NO_CYTHON')
  try_cython &= 'egg_info' not in sys.argv  # bypass setup_requires for pip egg_info calls, which will never have --install-option"--no-cython" coming fomr pip
  
  sys.argv = [a for a in sys.argv if a not in ("--no-murmur3", "--no-libev", "--no-cython", "--no-extensions")]
  
  build_concurrency = int(os.environ.get('CASS_DRIVER_BUILD_CONCURRENCY', '0'))
  
  
  class NoPatchExtension(Extension):
  
      # Older versions of setuptools.extension has a static flag which is set False before our
      # setup_requires lands Cython. It causes our *.pyx sources to be renamed to *.c in
      # the initializer.
      # The other workaround would be to manually generate sources, but that bypasses a lot
      # of the niceness cythonize embodies (setup build dir, conditional build, etc).
      # Newer setuptools does not have this problem because it checks for cython dynamically.
      # https://bitbucket.org/pypa/setuptools/commits/714c3144e08fd01a9f61d1c88411e76d2538b2e4
  
      def __init__(self, *args, **kwargs):
          # bypass the patched init if possible
          if Extension.__bases__:
              base, = Extension.__bases__
              base.__init__(self, *args, **kwargs)
          else:
              Extension.__init__(self, *args, **kwargs)
  
  
  class build_extensions(build_ext):
  
      error_message = """
  ===============================================================================
  WARNING: could not compile %s.
  
  The C extensions are not required for the driver to run, but they add support
  for token-aware routing with the Murmur3Partitioner.
  
  On Windows, make sure Visual Studio or an SDK is installed, and your environment
  is configured to build for the appropriate architecture (matching your Python runtime).
  This is often a matter of using vcvarsall.bat from your install directory, or running
  from a command prompt in the Visual Studio Tools Start Menu.
  ===============================================================================
  """ if is_windows else """
  ===============================================================================
  WARNING: could not compile %s.
  
  The C extensions are not required for the driver to run, but they add support
  for libev and token-aware routing with the Murmur3Partitioner.
  
  Linux users should ensure that GCC and the Python headers are available.
  
  On Ubuntu and Debian, this can be accomplished by running:
  
      $ sudo apt-get install build-essential python-dev
  
  On RedHat and RedHat-based systems like CentOS and Fedora:
  
      $ sudo yum install gcc python-devel
  
  On OSX, homebrew installations of Python should provide the necessary headers.
  
  libev Support
  -------------
  For libev support, you will also need to install libev and its headers.
  
  On Debian/Ubuntu:
  
      $ sudo apt-get install libev4 libev-dev
  
  On RHEL/CentOS/Fedora:
  
      $ sudo yum install libev libev-devel
  
  On OSX, via homebrew:
  
      $ brew install libev
  
  ===============================================================================
      """
  
      def run(self):
          try:
              self._setup_extensions()
              build_ext.run(self)
          except DistutilsPlatformError as exc:
              sys.stderr.write('%s\n' % str(exc))
              warnings.warn(self.error_message % "C extensions.")
  
      def build_extensions(self):
          if build_concurrency > 1:
              self.check_extensions_list(self.extensions)
  
              import multiprocessing.pool
              multiprocessing.pool.ThreadPool(processes=build_concurrency).map(self.build_extension, self.extensions)
          else:
              build_ext.build_extensions(self)
  
      def build_extension(self, ext):
          try:
              build_ext.build_extension(self, ext)
          except (CCompilerError, DistutilsExecError,
                  DistutilsPlatformError, IOError) as exc:
              sys.stderr.write('%s\n' % str(exc))
              name = "The %s extension" % (ext.name,)
              warnings.warn(self.error_message % (name,))
  
      def _setup_extensions(self):
          # We defer extension setup until this command to leveraage 'setup_requires' pulling in Cython before we
          # attempt to import anything
          self.extensions = []
  
          if try_murmur3:
              self.extensions.append(murmur3_ext)
  
          if try_libev:
              self.extensions.append(libev_ext)
  
          if try_cython:
              try:
                  from Cython.Build import cythonize
                  cython_candidates = ['cluster', 'concurrent', 'connection', 'cqltypes', 'metadata',
                                       'pool', 'protocol', 'query', 'util']
                  compile_args = [] if is_windows else ['-Wno-unused-function']
                  self.extensions.extend(cythonize(
                      [Extension('cassandra.%s' % m, ['cassandra/%s.py' % m],
                                 extra_compile_args=compile_args)
                          for m in cython_candidates],
                      nthreads=build_concurrency,
                      exclude_failures=True))
  
                  self.extensions.extend(cythonize(NoPatchExtension("*", ["cassandra/*.pyx"], extra_compile_args=compile_args),
                                                   nthreads=build_concurrency))
              except Exception:
                  sys.stderr.write("Failed to cythonize one or more modules. These will not be compiled as extensions (optional).\n")
  
  
  def pre_build_check():
      """
      Try to verify build tools
      """
      if os.environ.get('CASS_DRIVER_NO_PRE_BUILD_CHECK'):
          return True
  
      try:
          from distutils.ccompiler import new_compiler
          from distutils.sysconfig import customize_compiler
          from distutils.dist import Distribution
  
          # base build_ext just to emulate compiler option setup
          be = build_ext(Distribution())
          be.initialize_options()
          be.finalize_options()
  
          # First, make sure we have a Python include directory
          have_python_include = any(os.path.isfile(os.path.join(p, 'Python.h')) for p in be.include_dirs)
          if not have_python_include:
              sys.stderr.write("Did not find 'Python.h' in %s.\n" % (be.include_dirs,))
              return False
  
          compiler = new_compiler(compiler=be.compiler)
          customize_compiler(compiler)
  
          try:
              # We must be able to initialize the compiler if it has that method
              if hasattr(compiler, "initialize"):
                  compiler.initialize()
          except:
              return False
  
          executables = []
          if compiler.compiler_type in ('unix', 'cygwin'):
              executables = [compiler.executables[exe][0] for exe in ('compiler_so', 'linker_so')]
          elif compiler.compiler_type == 'nt':
              executables = [getattr(compiler, exe) for exe in ('cc', 'linker')]
  
          if executables:
              from distutils.spawn import find_executable
              for exe in executables:
                  if not find_executable(exe):
                      sys.stderr.write("Failed to find %s for compiler type %s.\n" % (exe, compiler.compiler_type))
                      return False
  
      except Exception as exc:
          sys.stderr.write('%s\n' % str(exc))
          sys.stderr.write("Failed pre-build check. Attempting anyway.\n")
  
      # if we are unable to positively id the compiler type, or one of these assumptions fails,
      # just proceed as we would have without the check
      return True
  
  
  def run_setup(extensions):
  
      kw = {'cmdclass': {'doc': DocCommand}}
      if gevent_nosetests is not None:
          kw['cmdclass']['gevent_nosetests'] = gevent_nosetests
  
      if eventlet_nosetests is not None:
          kw['cmdclass']['eventlet_nosetests'] = eventlet_nosetests
  
      kw['cmdclass']['build_ext'] = build_extensions
      kw['ext_modules'] = [Extension('DUMMY', [])]  # dummy extension makes sure build_ext is called for install
  
      if try_cython:
          # precheck compiler before adding to setup_requires
          # we don't actually negate try_cython because:
          # 1.) build_ext eats errors at compile time, letting the install complete while producing useful feedback
          # 2.) there could be a case where the python environment has cython installed but the system doesn't have build tools
          if pre_build_check():
              cython_dep = 'Cython>=0.20,!=0.25,<0.30'
              user_specified_cython_version = os.environ.get('CASS_DRIVER_ALLOWED_CYTHON_VERSION')
              if user_specified_cython_version is not None:
                  cython_dep = 'Cython==%s' % (user_specified_cython_version,)
              kw['setup_requires'] = [cython_dep]
          else:
              sys.stderr.write("Bypassing Cython setup requirement\n")
  
      dependencies = ['six >=1.9']
  
      if not PY3:
          dependencies.append('futures')
  
      setup(
          name='cassandra-driver',
          version=__version__,
          description='Python driver for Cassandra',
          long_description=long_description,
          url='http://github.com/datastax/python-driver',
          author='Tyler Hobbs',
          author_email='tyler@datastax.com',
          packages=['cassandra', 'cassandra.io', 'cassandra.cqlengine'],
          keywords='cassandra,cql,orm',
          include_package_data=True,
          install_requires=dependencies,
          tests_require=['nose', 'mock>=2.0.0', 'PyYAML', 'pytz', 'sure'],
          classifiers=[
              'Development Status :: 5 - Production/Stable',
              'Intended Audience :: Developers',
              'License :: OSI Approved :: Apache Software License',
              'Natural Language :: English',
              'Operating System :: OS Independent',
              'Programming Language :: Python',
              'Programming Language :: Python :: 2.7',
              'Programming Language :: Python :: 3.4',
              'Programming Language :: Python :: 3.5',
              'Programming Language :: Python :: 3.6',
              'Programming Language :: Python :: Implementation :: CPython',
              'Programming Language :: Python :: Implementation :: PyPy',
              'Topic :: Software Development :: Libraries :: Python Modules'
          ],
          **kw)
  
  run_setup(None)
  
  if has_cqlengine:
      warnings.warn("\n#######\n'cqlengine' package is present on path: %s\n"
                    "cqlengine is now an integrated sub-package of this driver.\n"
                    "It is recommended to remove this package to reduce the chance for conflicting usage" % cqlengine.__file__)
  