Made sysconfig a script that displays useful information - #8770

2 files changed, 29 insertions, 2 deletions

diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index a95ea8d..007d82b 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -686,3 +686,22 @@ def get_platform():
 
 def get_python_version():
     return _PY_VERSION_SHORT
+
+def _print_dict(title, data):
+    for index, (key, value) in enumerate(sorted(data.items())):
+        if index == 0:
+            print('{0}: '.format(title))
+        print('\t{0} = "{1}"'.format(key, value))
+
+def _main():
+    """Displays all information sysconfig detains."""
+    print('Platform: "{0}"'.format(get_platform()))
+    print('Python version: "{0}"'.format(get_python_version()))
+    print('Current installation scheme: "{0}"'.format(_get_default_scheme()))
+    print('')
+    _print_dict('Paths', get_paths())
+    print('')
+    _print_dict('Variables', get_config_vars())
+
+if __name__ == '__main__':
+    _main()
diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 968f3de..f4a3c8e 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -11,13 +11,14 @@ import subprocess
 import shutil
 from copy import copy, deepcopy
 
-from test.support import run_unittest, TESTFN, unlink, get_attribute
+from test.support import (run_unittest, TESTFN, unlink, get_attribute,
+                          captured_stdout)
 
 import sysconfig
 from sysconfig import (get_paths, get_platform, get_config_vars,
                        get_path, get_path_names, _INSTALL_SCHEMES,
                        _get_default_scheme, _expand_vars,
-                       get_scheme_names, get_config_var)
+                       get_scheme_names, get_config_var, _main)
 
 class TestSysConfig(unittest.TestCase):
 
@@ -264,6 +265,13 @@ class TestSysConfig(unittest.TestCase):
             user_path = get_path(name, 'posix_user')
             self.assertEquals(user_path, global_path.replace(base, user))
 
+    def test_main(self):
+        # just making sure _main() runs and returns things in the stdout
+        with captured_stdout() as output:
+            _main()
+        self.assertTrue(len(output.getvalue().split('\n')) > 0)
+
+
 def test_main():
     run_unittest(TestSysConfig)