old_contents: from setuptools import setup, find_packages
  import re
  import io
  import os
  import sys
  
  
  def read_version():
      with io.open('./glud/version.py', encoding='utf8') as version_file:
          version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]", version_file.read(), re.M)
          if version_match:
              version = version_match.group(1)
          else:
              raise runtimeerror("unable to find version string.")
      return version
  
  
  def read(filename):
      path = os.path.join(os.path.dirname(__file__), filename)
      with io.open(path, encoding='utf8') as fh:
          return fh.read()
  
  
  def requires():
      req = ['asciitree']
      if sys.version_info.major == 2:
          return req + ['clang']
      else:
          return req + ['libclang-py3']
  
  
  setup(
      name="glud",
      install_requires=requires(),
      description="Functional tools for matching nodes in the clang AST",
      long_description=read('README.rst'),
      version=read_version(),
      author="Andrew Walker",
      author_email="walker.ab@gmail.com",
      url="http://github.com/AndrewWalker/glud",
      license="MIT",
      keywords=['libclang', 'clang', 'AST'],
      packages=find_packages(),
      classifiers=[
          'Topic :: Software Development :: Compilers',
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Natural Language :: English',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Operating System :: POSIX :: Linux',
      ],
      test_suite='tests',
      zip_safe=False
  )
  
new_contents: from setuptools import setup, find_packages
  import re
  import io
  import os
  import sys
  
  
  def read_version():
      with io.open('./glud/version.py', encoding='utf8') as version_file:
          version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]", version_file.read(), re.M)
          if version_match:
              version = version_match.group(1)
          else:
              raise runtimeerror("unable to find version string.")
      return version
  
  
  def read(filename):
      path = os.path.join(os.path.dirname(__file__), filename)
      with io.open(path, encoding='utf8') as fh:
          return fh.read()
  
  
  def requires():
      req = ['asciitree']
      if sys.version_info.major == 2:
          return req + ['clang']
      else:
          return req + ['libclang-py3']
  
  
  setup(
      name="glud",
      install_requires=requires(),
      description="Functional tools for matching nodes in the clang AST",
      long_description=read('README.rst'),
      version=read_version(),
      author="Andrew Walker",
      author_email="walker.ab@gmail.com",
      url="http://github.com/AndrewWalker/glud",
      license="MIT",
      keywords=['libclang', 'clang', 'AST'],
      packages=find_packages(exclude=['tests']),
      classifiers=[
          'Topic :: Software Development :: Compilers',
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Natural Language :: English',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Operating System :: POSIX :: Linux',
      ],
      test_suite='tests',
      zip_safe=False
  )
  
subject: exclude tests from packages