Merge pull request #8562 from chrahunt/extract-direct-from-zip-refact…

…oring Install directly from wheels, without unpacking into an intermediate directory
pypa · Jul 11, 2020 · 8bf5731 · 8bf5731
2 parents 8307847 + d13ec25
commit 8bf5731
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Showing 6 changed files with 240 additions and 121 deletions.
diff --git a/news/6030.feature b/news/6030.feature
@@ -0,0 +1 @@
+Install wheel files directly instead of extracting them to a temp directory.
diff --git a/src/pip/_internal/models/scheme.py b/src/pip/_internal/models/scheme.py
@@ -6,12 +6,15 @@
 """
 
 
+SCHEME_KEYS = ['platlib', 'purelib', 'headers', 'scripts', 'data']
+
+
 class Scheme(object):
     """A Scheme holds paths which are used as the base directories for
     artifacts associated with a Python package.
     """
 
-    __slots__ = ['platlib', 'purelib', 'headers', 'scripts', 'data']
+    __slots__ = SCHEME_KEYS
 
     def __init__(
         self,