Require argparse on Python < 2.7 and < 3.2

pkgs/fedora/pyrasite.spec

@@ -17,6 +17,11 @@ BuildRequires:    python-nose
 
 Requires:         gdb >= 7.3
 
+%if 0%{?rhel} <= 6
+BuildRequires:    python-argparse
+Requires:         python-argparse
+%endif
+
 %description
 Pyrasite uses the GNU debugger to inject code into a running Python process.
 It is comprised of a command-line tool, and a Python API. This package

setup.py

+import sys
 from setuptools import setup, find_packages
 
 version = '2.0beta9'
@@ -6,6 +7,14 @@ f = open('README.rst')
 long_description = f.read().split('split here')[1]
 f.close()
 
+requirements = []
+if sys.version_info.major == 3:
+    if sys.version_info.minor < 2:
+        requirements.append('argparse')
+elif sys.version_info.major == 2:
+    if sys.version_info.minor < 7:
+        requirements.append('argparse')
+
 setup(name='pyrasite',
       version=version,
       description="Inject code into a running Python process",
@@ -18,7 +27,7 @@ setup(name='pyrasite',
       packages=find_packages(exclude=['ez_setup', 'examples', 'tests']),
       include_package_data=True,
       zip_safe=False,
-      install_requires=[],
+      install_requires=requirements,
       tests_require=['nose'],
       test_suite='nose.collector',
       entry_points="""