churchyard / rpms / python3

Forked from rpms/python3 2 years ago
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diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py
index 0258d3d..4ebf50a 100644
--- a/Lib/distutils/command/install.py
+++ b/Lib/distutils/command/install.py
@@ -418,8 +418,19 @@ 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') or
+                    sys.prefix != sys.base_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:
diff --git a/Lib/site.py b/Lib/site.py
index 0fc9200..c95202e 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -322,7 +322,14 @@ def getsitepackages(prefixes=None):
     return sitepackages

 def addsitepackages(known_paths, prefixes=None):
-    """Add site-packages to sys.path"""
+    """Add site-packages to sys.path
+
+    '/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 sitedir in getsitepackages(prefixes):
         if os.path.isdir(sitedir):
             addsitedir(sitedir, known_paths)