Improve sys.path handling

git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@3785 e7d03fd6-7b0d-0410-9947-9c21f3af8025

setup.py

@@ -220,11 +220,12 @@ class MyBdistWininst (bdist_wininst, object):
 
         # avoid warning of 'install_lib' about installing
         # into a directory not in sys.path
+        oldpath = sys.path
         sys.path.insert(0, os.path.join(self.bdist_dir, 'PURELIB'))
 
         install.run()
 
-        del sys.path[0]
+        sys.path = oldpath
 
         # And make an archive relative to the root of the
         # pseudo-installation tree.

test.py

@@ -850,7 +850,7 @@ def main(argv):
         cfg.print_import_time = False
 
     # Set up the python path
-    sys.path[0] = cfg.basedir
+    sys.path.insert(0, cfg.basedir)
 
     # Set up tracing before we start importing things
     tracer = None