update setup remove unused code

setup.py

@@ -5,7 +5,7 @@
 # This file is part of Counter RNAseq Window (craw) package.              #
 #                                                                         #
 #    Authors: Bertrand Neron                                              #
-#    Copyright c 2017  Institut Pasteur (Paris).                          #
+#    Copyright (c) 2017-2019  Institut Pasteur (Paris).                   #
 #    see COPYRIGHT file for details.                                      #
 #                                                                         #
 #    craw is free software: you can redistribute it and/or modify         #
@@ -24,49 +24,13 @@
 #                                                                         #
 ###########################################################################
 
-
-import sys
-if sys.version_info[0] == 2:
-    sys.exit("Sorry, Python 2 is not supported")
-
 import os
-import time
 import sysconfig
 
-from distutils.errors import DistutilsFileError
-from distutils.util import subst_vars as distutils_subst_vars
-
-from setuptools import setup
+from setuptools import setup, find_packages
 from setuptools.dist import Distribution
-from setuptools.command.install_lib import install_lib as _install_lib
-
-
-class install_lib(_install_lib):
-
-    def finalize_options(self):
-        _install_lib.finalize_options(self)
 
-    def run(self):
-        def subst_file(_file, vars_2_subst):
-            input_file = os.path.join(self.build_dir, _file)
-            output_file = input_file + '.tmp'
-            try:
-                subst_vars(input_file, output_file, vars_2_subst)
-            except Exception as err:
-                print("Cannot substitute file {}: {}".format(input_file, err), file-sys.stderr)
-                raise err
-            os.unlink(input_file)
-            self.move_file(output_file, input_file)
-
-        inst = self.distribution.command_options.get('install')
-        if inst:
-            if self.distribution.fix_lib is not None:
-                vars_2_subst = {'PREFIX': inst['prefix'][1] if 'prefix' in inst else '',
-                                'VERSION': self.distribution.get_version()
-                                }
-                for _file in self.distribution.fix_lib:
-                    subst_file(_file, vars_2_subst)
-        _install_lib.run(self)
+from craw import __version__ as cr_vers
 
 
 class UsageDistribution(Distribution):
@@ -114,30 +78,6 @@ def get_install_data_dir(inst):
     return install_dir
 
 
-def subst_vars(src, dst, vars):
-    """
-    substitute variables (string starting with $) in file
-    :param src: the file containing variable to substitute
-    :type src: string
-    :param dst: the destination file
-    :type dst: string
-    :param vars: the variables to substitute in dict key are variable name
-    :type vars: dict
-    """
-    try:
-        src_file = open(src, "r")
-    except os.error as err:
-        raise DistutilsFileError("could not open '{0}': {1}".format(src, err))
-    try:
-        dest_file = open(dst, "w")
-    except os.error as err:
-        raise DistutilsFileError("could not create '{0}': {1}".format(dst, err))
-    with src_file, dest_file:
-        for line in src_file:
-            new_line = distutils_subst_vars(line, vars)
-            dest_file.write(new_line)
-
-
 def expand_data(data_to_expand):
     """
     From data structure like setup.py data_files (see http://)
@@ -180,7 +120,7 @@ def read_md(f): return open(f, 'r').read()
 
 
 setup(name="craw",
-      version='master-{}'.format(time.strftime('%Y%m%d')),
+      version=cr_vers,
       author='Bertrand Neron',
       author_email='bneron@pasteur.fr',
       url="https://gitlab.pasteur.fr/bneron/craw",
@@ -194,14 +134,15 @@ setup(name="craw",
         'Topic :: Scientific/Engineering :: Bio-Informatics',
         'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
         ],
-      description="Counter RNA seq Window is a package which aim to compute and visualize the coverage of RNA seq experiment.",
+      description="Counter RNA seq Window is a package which aim to compute and "
+                  "visualize the coverage of RNA seq experiment.",
       long_description=read_md('README.md'),
       long_description_content_type='text/markdown',
       platforms=["Unix"],
       python_requires='>=3.5',
       install_requires=open("requirements.txt").read().split(),
       extras_require={'dev': open("requirements_dev.txt").read().split()},
-      packages=['craw'],
+      packages=find_packages(),
       entry_points={
           'console_scripts': [
               'craw_coverage=craw.scripts.craw_coverage:main',
@@ -212,11 +153,5 @@ setup(name="craw",
       data_files=expand_data([('share/craw/doc/html', ['doc/build/html/']),
                               ('share/craw/doc/pdf/', ['doc/build/latex/CounterRNAseqWindow.pdf'])]),
 
-      # library file where some variable must be fix by install_lib
-      fix_lib=['craw/__init__.py'],
-      # scripts file where some variable must be fix by install_scripts
-      fix_scripts=['craw_coverage.py'],
-
-      cmdclass={'install_lib':  install_lib},
       distclass=UsageDistribution
       )