From 1a479b6ecd958f6bc74d777922898a3d4fb544b2 Mon Sep 17 00:00:00 2001
From: Nan Zhang <nanzhang@google.com>
Date: Tue, 15 May 2018 17:13:38 -0700
Subject: [PATCH] Allow "-" to be part of Python file names

Test: m -j py-setuptools
Bug: b/79751992

Change-Id: I4cd0cf8671a9bb912a8ba819265274ab0c9e0074
---
 python/python.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/python.go b/python/python.go
index 65e3efd48..6d6ac27ba 100644
--- a/python/python.go
+++ b/python/python.go
@@ -206,7 +206,7 @@ type dependencyTag struct {
 var (
 	pythonLibTag       = dependencyTag{name: "pythonLib"}
 	launcherTag        = dependencyTag{name: "launcher"}
-	pyIdentifierRegexp = regexp.MustCompile(`^([a-z]|[A-Z]|_)([a-z]|[A-Z]|[0-9]|_)*$`)
+	pyIdentifierRegexp = regexp.MustCompile(`^[a-zA-Z_][a-zA-Z0-9_-]*$`)
 	pyExt              = ".py"
 	protoExt           = ".proto"
 	pyVersion2         = "PY2"