Merge pull request pypa#8504 from McSinyx/list-speed-up-nw

Parallelize pip list --outdated and --uptodate
pradyunsg · Jul 3, 2020 · 0acdbf8 · 0acdbf8
2 parents e2bcc56 + dd3a3b5
commit 0acdbf8
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diff --git a/news/8504.feature b/news/8504.feature
@@ -0,0 +1 @@
+Parallelize network operations in ``pip list``.
diff --git a/src/pip/_internal/commands/list.py b/src/pip/_internal/commands/list.py
@@ -19,6 +19,7 @@
     write_output,
 )
 from pip._internal.utils.packaging import get_installer
+from pip._internal.utils.parallel import map_multithread
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
 if MYPY_CHECK_RUNNING:
@@ -223,7 +224,7 @@ def latest_info(dist):
                 dist.latest_filetype = typ
                 return dist
 
-            for dist in map(latest_info, packages):
+            for dist in map_multithread(latest_info, packages):
                 if dist is not None:
                     yield dist