diff --git a/buildout.cfg b/buildout.cfg
index 9041669..72f0e76 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -25,7 +25,7 @@ homepage = http://github.com/grzn/pypi_switcher
 
 [isolated-python]
 recipe = infi.recipe.python
-version = v2.7.2.5
+version = v2.7.8.5
 
 [setup.py]
 recipe = infi.recipe.template.version
@@ -35,17 +35,6 @@ output = setup.py
 [__version__.py]
 recipe = infi.recipe.template.version
 output = ${project:version_file}
-input = inline:
-	__version__ = "${infi.recipe.template.version:version}"
-	__git_commiter_name__ = "${infi.recipe.template.version:author}"
-	__git_commiter_email__ = "${infi.recipe.template.version:author_email}"
-	__git_branch__ = ${infi.recipe.template.version:git_local_branch}
-	__git_remote_tracking_branch__ = ${infi.recipe.template.version:git_remote_tracking_branch}
-	__git_remote_url__ = ${infi.recipe.template.version:git_remote_url}
-	__git_head_hash__ = ${infi.recipe.template.version:head_hash}
-	__git_head_subject__ = ${infi.recipe.template.version:head_subject}
-	__git_head_message__ = ${infi.recipe.template.version:head_message}
-	__git_dirty_diff__ = ${infi.recipe.template.version:dirty_diff}
 
 [development-scripts]
 dependent-scripts = true
@@ -55,22 +44,10 @@ eggs = ${project:name}
 	nose
 	mock
 	coverage
-	pylint
 	infi.unittest
 	infi.traceback
 interpreter = python
 
-[eclipse]
-recipe = rbco.recipe.pyeclipse
-project-name = ${project:name}
-project-directory = ${buildout:directory}
-python-version = 2.7
-source-resources = ${buildout:directory}/src
-
-[pydev]
-recipe = pb.recipes.pydev
-eggs = ${development-scripts:eggs}
-
 [pack]
 recipe = infi.recipe.application_packager
 
diff --git a/src/pypi_switcher/__init__.py b/src/pypi_switcher/__init__.py
index 3bf244d..46c63ed 100644
--- a/src/pypi_switcher/__init__.py
+++ b/src/pypi_switcher/__init__.py
@@ -10,6 +10,50 @@
     from configparser import ConfigParser
 
 
+def pars_args():
+    """return a valid url or exits"""
+    import argparse
+    parser = argparse.ArgumentParser(description='configure and apply pipi server on your local workstations', \
+                                     usage='usage: set_index_url [-h] --show / url')
+    parser.add_argument('url', help='set url to be your system pypi default server', nargs='?')
+    parser.add_argument('--show', help='show index url in the relevant config files', action='store_true')
+    options = parser.parse_args()
+    if options.show:
+        show_index_url()
+        sys.exit(0)
+    else:
+        if options.url:
+            return options.url
+        else:
+            parser.print_help()
+            print "ERROR:need to specify at list one argument !"
+            sys.exit(2)
+
+
+def verify_url(url):
+    from urllib import urlopen
+    try:
+        urlopen(url)
+    except IOError:
+        print '{} is not a valid url'.format(url)
+        sys.exit(2)
+
+def show_index_url():
+    from re import search
+    files_list = [item[0] for item in iter_tuples()]
+    for filename in files_list:
+        filename = os.path.expanduser(filename)
+        if os.path.isfile(filename):
+            print filename
+        else:
+            print "{} doesn't exists".format(filename)
+            continue
+        with open(filename, "r") as fd:
+            for line in fd.xreadlines():
+                if search("index", line):
+                    print line
+
+
 @contextmanager
 def open_configparser_file(filepath, write_on_exit=False):
     parser = ConfigParser()
@@ -33,12 +77,19 @@ def set_index_url_in_file(filepath, section_name, key, index_url):
         pydistutils.set(section_name, key, index_url)
 
 
-def set_index_url(argv=sys.argv[1:]):
-    [index_url] = argv
+def iter_tuples():
     if os.name == "nt":
-        set_index_url_in_file("~/pydistutils.cfg", "easy_install", "index-url", index_url)
-        set_index_url_in_file("~/pip/pip.ini", "global", "index-url", index_url)
+        yield ("~/pydistutils.cfg", "easy_install", "index-url")
+        yield ("~/pip/pip.ini", "global", "index-url")
     else:
-        set_index_url_in_file("~/.pydistutils.cfg", "easy_install", "index-url", index_url)
-        set_index_url_in_file("~/.pip/pip.conf", "global", "index-url", index_url)
-    set_index_url_in_file("~/.buildout/default.cfg", "buildout", "index", index_url)
+        yield ("~/.pydistutils.cfg", "easy_install", "index-url")
+        yield ("~/.pip/pip.conf", "global", "index-url")
+    yield("~/.buildout/default.cfg", "buildout", "index")
+
+
+def set_index_url():
+    index_url = pars_args()
+    verify_url(index_url)
+    for item in iter_tuples():
+        filename, section_name, key = item
+        set_index_url_in_file( filename, section_name, key, index_url )