Filter blockers in the iterable

537c1656 · Jason R. Coombs · f922da30 · 537c1656
Commit 537c1656 authored Mar 06, 2015 by Jason R. Coombs
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Showing with 5 additions and 2 deletions

setuptools/command/easy_install.py setuptools/command/easy_install.py +5 -2

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--- a/setuptools/command/easy_install.py
+++ b/setuptools/command/easy_install.py
@@ -200,8 +200,11 @@ class easy_install(Command):
        )

    def delete_blockers(self, blockers):
-        for filename in blockers:
-            if os.path.exists(filename) or os.path.islink(filename):
+        extant_blockers = (
+            filename for filename in blockers
+            if os.path.exists(filename) or os.path.islink(filename)
+        )
+        for filename in extant_blockers:
                log.info("Deleting %s", filename)
                if not self.dry_run:
                    if (os.path.isdir(filename) and