old_contents: import re
  import sys
  
  from setuptools import setup, Command, find_packages
  
  
  INIT_FILE = 'bucketcache/__init__.py'
  init_data = open(INIT_FILE).read()
  
  metadata = dict(re.findall("__([a-z]+)__ = '([^']+)'", init_data))
  
  AUTHOR_EMAIL = metadata['author']
  VERSION = metadata['version']
  LICENSE = metadata['license']
  DESCRIPTION = metadata['description']
  
  AUTHOR, EMAIL = re.match(r'(.*) <(.*)>', AUTHOR_EMAIL).groups()
  
  requires = ['boltons', 'decorator', 'logbook', 'python-dateutil',
              'represent>=1.2.0', 'six']
  if sys.version_info[:2] < (3, 4):
      requires.append('pathlib')
  
  extras_require = {}
  extras_require.update(
      test=[
          'msgpack-python',
          'pytest',
          'pytest-benchmark',
          'pytest-cov',
          'pytest-xdist',
      ])
  
  if sys.version_info < (3, 3):
      extras_require['test'].append('mock')
  
  extras_require.update(
      dev=[
          'clint',
          'packaging',
          'shovel',
          'sphinx',
          'twine',
      ] + extras_require['test'])
  
  
  class PyTest(Command):
      """Allow 'python setup.py test' to run without first installing pytest"""
      user_options = []
  
      def initialize_options(self):
          pass
  
      def finalize_options(self):
          pass
  
      def run(self):
          import subprocess
          import sys
          errno = subprocess.call([sys.executable, 'runtests.py'])
          raise SystemExit(errno)
  
  setup(
      name='BucketCache',
      version=VERSION,
      description=DESCRIPTION,
      long_description=open('README').read(),
      author=AUTHOR,
      author_email=EMAIL,
      url='https://github.com/RazerM/bucketcache',
      packages=find_packages(),
      cmdclass={'test': PyTest},
      classifiers=[
          'Development Status :: 3 - Alpha',
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
      ],
      license=LICENSE,
      install_requires=requires,
      extras_require=extras_require)
  
new_contents: import re
  import sys
  
  from setuptools import setup, Command, find_packages
  
  
  INIT_FILE = 'bucketcache/__init__.py'
  init_data = open(INIT_FILE).read()
  
  metadata = dict(re.findall("__([a-z]+)__ = '([^']+)'", init_data))
  
  AUTHOR_EMAIL = metadata['author']
  VERSION = metadata['version']
  LICENSE = metadata['license']
  DESCRIPTION = metadata['description']
  
  AUTHOR, EMAIL = re.match(r'(.*) <(.*)>', AUTHOR_EMAIL).groups()
  
  requires = ['boltons', 'decorator', 'logbook', 'python-dateutil',
              'represent>=1.3.0', 'six>=1.9.0']
  if sys.version_info[:2] < (3, 4):
      requires.append('pathlib')
  
  extras_require = {}
  extras_require.update(
      test=[
          'msgpack-python',
          'pytest',
          'pytest-benchmark',
          'pytest-cov',
          'pytest-xdist',
      ])
  
  if sys.version_info < (3, 3):
      extras_require['test'].append('mock')
  
  extras_require.update(
      dev=[
          'clint',
          'packaging',
          'shovel',
          'sphinx',
          'twine',
      ] + extras_require['test'])
  
  
  class PyTest(Command):
      """Allow 'python setup.py test' to run without first installing pytest"""
      user_options = []
  
      def initialize_options(self):
          pass
  
      def finalize_options(self):
          pass
  
      def run(self):
          import subprocess
          import sys
          errno = subprocess.call([sys.executable, 'runtests.py'])
          raise SystemExit(errno)
  
  setup(
      name='BucketCache',
      version=VERSION,
      description=DESCRIPTION,
      long_description=open('README').read(),
      author=AUTHOR,
      author_email=EMAIL,
      url='https://github.com/RazerM/bucketcache',
      packages=find_packages(),
      cmdclass={'test': PyTest},
      classifiers=[
          'Development Status :: 3 - Alpha',
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
      ],
      license=LICENSE,
      install_requires=requires,
      extras_require=extras_require)
  
subject: Update dependencies.