Index: Python-2.7.17/Lib/distutils/command/install.py

===================================================================

--- Python-2.7.17.orig/Lib/distutils/command/install.py

+++ Python-2.7.17/Lib/distutils/command/install.py

@@ -431,8 +431,18 @@ class install (Command):

                     raise DistutilsOptionError, \

                           "must not supply exec-prefix without prefix"

-                self.prefix = os.path.normpath(sys.prefix)

-                self.exec_prefix = os.path.normpath(sys.exec_prefix)

+                # self.prefix is set to sys.prefix + /local/

+                # if neither RPM build nor virtual environment is

+                # detected to make pip and distutils install packages

+                # into the separate location.

+                if (not hasattr(sys, 'real_prefix') and

+                    'RPM_BUILD_ROOT' not in os.environ):

+                    addition = "/local"

+                else:

+                    addition = ""

+

+                self.prefix = os.path.normpath(sys.prefix) + addition

+                self.exec_prefix = os.path.normpath(sys.exec_prefix) + addition

             else:

                 if self.exec_prefix is None:

Index: Python-2.7.17/Lib/site.py

===================================================================

--- Python-2.7.17.orig/Lib/site.py

+++ Python-2.7.17/Lib/site.py

@@ -291,6 +291,10 @@ def getsitepackages():

     sitepackages = []

     seen = set()

+    # '/usr/local' is included in PREFIXES if RPM build is not detected

+    # to make packages installed into this location visible.

+    if ENABLE_USER_SITE and 'RPM_BUILD_ROOT' not in os.environ:

+        PREFIXES.insert(0, "/usr/local")

     for prefix in PREFIXES:

         if not prefix or prefix in seen:

             continue

​