[IMP] added suppor for click

reqgen/reqgen.py

 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 
-import argparse
+import click
 import copy
 import fnmatch
 from six import iteritems
 import os
 import requirements
-import sys
 
 
 def gt(first, second):
@@ -95,15 +94,14 @@ def search_reqs_files(folder_name):
     return res
 
 
-def main(arguments):
-    parser = argparse.ArgumentParser(description='Process some integers.')
-    parser.add_argument('dest_file', type=str,
-                        help='The file where all requirements will be saved')
-    parser.add_argument('--path', default='.', help='Path where to search')
-    args = parser.parse_args(arguments)
-    generate_merged_file(args.dest_file, args.path)
+@click.command()
+@click.option('--path',
+              default='.',
+              type=click.Path(exists=True, readable=True),
+              help='Path where you what to search the requirements files'
+              )
+@click.argument('dest_file',
+                type=click.Path(file_okay=True, writable=True))
+def main(dest_file, path):
+    generate_merged_file(dest_file, path)
     return 0
-
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv[1:]))

requirements.txt

+click==6.6
 requirements-parser==0.1.0

setup.py

@@ -51,5 +51,9 @@ setup(
         'Programming Language :: Python :: 3.5',
     ],
     test_suite='tests',
-    tests_require=test_requirements
+    tests_require=test_requirements,
+    entry_points='''
+    [console_scripts]
+    reqgenv=reqgen.reqgen:main
+    '''
 )