split platform

lib/python3.5/site-packages/wheel/paths.py

@@ -0,0 +1,41 @@
+"""
+Installation paths.
+
+Map the .data/ subdirectory names to install paths.
+"""
+
+import os.path
+import sys
+import distutils.dist as dist
+import distutils.command.install as install
+
+def get_install_command(name):
+    # late binding due to potential monkeypatching
+    d = dist.Distribution({'name':name})
+    i = install.install(d)
+    i.finalize_options()
+    return i
+
+def get_install_paths(name):
+    """
+    Return the (distutils) install paths for the named dist.
+    
+    A dict with ('purelib', 'platlib', 'headers', 'scripts', 'data') keys.
+    """
+    paths = {}
+
+    i = get_install_command(name)
+
+    for key in install.SCHEME_KEYS:
+        paths[key] = getattr(i, 'install_' + key)
+
+    # pip uses a similar path as an alternative to the system's (read-only)
+    # include directory:
+    if hasattr(sys, 'real_prefix'):  # virtualenv
+        paths['headers'] = os.path.join(sys.prefix,
+                                        'include',
+                                        'site',
+                                        'python' + sys.version[:3],
+                                        name)
+
+    return paths