How to use the versioneer.VCS function in versioneer

from distutils.command.build_ext import build_ext
from distutils.command.clean import clean
from distutils import log
from distutils.dir_util import remove_tree
from distutils.spawn import spawn
import os
import sys
import shutil

if os.environ.get('READTHEDOCS', None) == 'True':
    sys.exit("setup.py disabled on readthedocs: called with %s"
             % (sys.argv,))

import versioneer

versioneer.VCS = 'git'
versioneer.versionfile_source = 'llvmlite/_version.py'
versioneer.versionfile_build = 'llvmlite/_version.py'
versioneer.tag_prefix = 'v' # tags are like v1.2.0
versioneer.parentdir_prefix = 'llvmlite-' # dirname like 'myproject-1.2.0'


here_dir = os.path.dirname(os.path.abspath(__file__))

cmdclass = versioneer.get_cmdclass()
build = cmdclass.get('build', build)
build_ext = cmdclass.get('build_ext', build_ext)


def build_library_files(dry_run, pic=False):
    cmd = [sys.executable, os.path.join(here_dir, 'ffi', 'build.py')]
    if pic:

# also update setup.py
copyright = u'''2010-2014 Michael R. Crusoe, Greg Edvenson, Jordan
Fish, Adina Howe, Luiz Irber, Eric McDonald, Joshua Nahum, Kaben Nanlohy,
Humberto Ortiz-Zuazaga, Jason Pell, Jared Simpson, Camille Scott, Ramakrishnan
Rajaram Srinivasan, Qingpeng Zhang, and C. Titus Brown'''

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#

# The full version, including alpha/beta/rc tags.

sys.path.insert(0, '../')
import versioneer
versioneer.VCS = 'git'
versioneer.versionfile_source = '../khmer/_version.py'
versioneer.versionfile_build = '../khmer/_version.py'
versioneer.tag_prefix = 'v'  # tags are like v1.2.0
versioneer.parentdir_prefix = '..'
release = versioneer.get_version()
del versioneer
sys.path.remove('../')

# The short X.Y version.

version = '.'.join(release.split('.')[:2])


# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#language = None

from setuptools import setup, find_packages
import sys

with open('requirements.txt') as f:
    reqs = f.read().splitlines()

import versioneer
versioneer.VCS = 'git'
versioneer.versionfile_source = 'cifsdk/_version.py'
versioneer.versionfile_build = 'cifsdk/_version.py'
versioneer.tag_prefix = ''  # tags are like 1.2.0
versioneer.parentdir_prefix = 'py-cifsdk-'  # dirname like 'myproject-1.2.0'

cmds = [
    "cif=cifsdk.client:main",
]

try:
    import cgmail
    cmds.append('cgmail-cif=cifsdk.cifcgmail:main')
except ImportError:
    pass

try:

#!/usr/bin/env python

import versioneer
versioneer.VCS = 'git'
versioneer.versionfile_source = 'pg8000/_version.py'
versioneer.versionfile_build = 'pg8000/_version.py'
versioneer.tag_prefix = ''
versioneer.parentdir_prefix = 'pg8000-'
from distutils.core import setup

long_description = """\

pg8000
------

pg8000 is a Pure-Python interface to the PostgreSQL database engine.  It is \
one of many PostgreSQL interfaces for the Python programming language. pg8000 \
is somewhat distinctive in that it is written entirely in Python and does not \
rely on any external libraries (such as a compiled python module, or \
PostgreSQL's libpq library). pg8000 supports the standard Python DB-API \

print >> sys.stderr, (
        "WARNING\n"
        "Could not import setuptools.\n"
        "This might lead to an incomplete installation\n"
    )

import platform

from numpy.distutils.core import setup

from helpers.extensions import static_ext_modules

import versioneer

versioneer.VCS = 'git'
versioneer.versionfile_source = 'sherpa/_version.py'
versioneer.versionfile_build = 'sherpa/_version.py'
versioneer.tag_prefix = ''
versioneer.parentdir_prefix = 'sherpa-'

meta = dict(name='sherpa',
            version=versioneer.get_version(),
            author='Smithsonian Astrophysical Observatory / Chandra X-Ray Center',
            author_email='cxchelp@head.cfa.harvard.edu',
            url='http://cxc.harvard.edu/sherpa/',
            description='Modeling and fitting package for scientific data analysis',
            license='GNU GPL v3',
            long_description=open('README.md', 'rt').read(),
            platforms='Linux, Mac OS X',
            install_requires=['numpy', ],
            tests_require=['pytest', ],

"""
Build extension modules, package and install Fatiando.
"""
from __future__ import absolute_import
import sys
import os
from setuptools import setup, Extension, find_packages
import numpy
import versioneer

# VERSIONEER SETUP
# #############################################################################
versioneer.VCS = 'git'
versioneer.versionfile_source = 'fatiando/_version.py'
versioneer.versionfile_build = 'fatiando/_version.py'
versioneer.tag_prefix = 'v'
versioneer.parentdir_prefix = '.'

# PACKAGE METADATA
# #############################################################################
NAME = 'fatiando'
FULLNAME = 'Fatiando a Terra'
DESCRIPTION = "Modeling and inversion for geophysics"
AUTHOR = "Leonardo Uieda"
AUTHOR_EMAIL = 'leouieda@gmail.com'
MAINTAINER = AUTHOR
MAINTAINER_EMAIL = AUTHOR_EMAIL
VERSION = versioneer.get_version()
CMDCLASS = versioneer.get_cmdclass()

from setuptools import setup,  find_packages
import os
import versioneer

versioneer.VCS = 'git'
versioneer.versionfile_source = 'vmmaster/_version.py'
versioneer.versionfile_build = 'vmmaster/_version.py'
versioneer.tag_prefix = ''  # tags are like 0.1.0
versioneer.parentdir_prefix = 'vmmaster-'  # dirname like 'myproject-0.1.0'

home = []
for path, subdirs, files in os.walk('vmmaster/home'):
    path = path.replace('vmmaster/', '')
    for name in files:
        home.append(os.path.join(path, name))

alembic = []
for path, subdirs, files in os.walk('vmmaster/alembic'):
    path = path.replace('vmmaster/', '')
    for name in files:
        home.append(os.path.join(path, name))

# 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.

import os
from setuptools import setup, find_packages

import versioneer
versioneer.VCS = 'git'
versioneer.versionfile_source = 'optlang/_version.py'
versioneer.versionfile_build = 'optlang/_version.py'
versioneer.tag_prefix = '' # tags are like 1.2.0
versioneer.parentdir_prefix = 'optlang-' # dirname like 'myproject-1.2.0'

# Run
# pandoc --from=markdown --to=rst README.md -o README.rst
# from time to time, to keep README.rst updated
with open('README.rst', 'r') as f:
    description = f.read()

on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
if on_rtd:
    requirements = []
else:
    requirements = ['sympy>=0.7.5', 'six>=1.9.0']

from setuptools import setup, find_packages

import versioneer
versioneer.VCS = 'git'
versioneer.versionfile_source = 'frontera/_version.py'
versioneer.versionfile_build = 'frontera/_version.py'
versioneer.tag_prefix = 'v'  # tags are like v1.2.0
versioneer.parentdir_prefix = 'frontera-'


setup(
    name='frontera',
    version=versioneer.get_version(),
    cmdclass=versioneer.get_cmdclass(),
    packages=find_packages(exclude=('tests', 'tests.*', 'examples', 'examples.*')),
    url='https://github.com/scrapinghub/frontera',
    description='A scalable frontier for web crawlers',
    author='Frontera developers',
    maintainer='Alexander Sibiryakov',
    maintainer_email='sibiryakov@scrapinghub.com',

This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see .

    Contact information:
    Web - http://www.essolutions.se
    Email - essarch@essolutions.se
"""

from setuptools import find_packages, setup
import versioneer
versioneer.VCS = 'git'
versioneer.versionfile_source = 'ESSArch_PP/_version.py'
versioneer.versionfile_build = None
versioneer.tag_prefix = ''  # tags are like 1.2.0
versioneer.parentdir_prefix = 'ESSArch_PP-'

if __name__ == '__main__':
    setup(
        name='ESSArch_PP',
        version=versioneer.get_version(),
        description='ESSArch Preservation Platform',
        long_description=open("README.md").read(),
        long_description_content_type='text/markdown',
        author='Henrik Ek',
        author_email='henrik@essolutions.se',
        url='http://www.essolutions.se',
        project_urls={