From ac98e8a623014232f325a8bc2111319fdaef69c4 Mon Sep 17 00:00:00 2001
From: Pavel Minaev <int19h@gmail.com>
Date: Thu, 12 Mar 2020 19:05:58 -0700
Subject: [PATCH] Fix #69: "Couldn't spawn debuggee" with non-ASCII filename on
 Python 2.7

Prevent implicit filename conversion from bytes to unicode with incorrect encoding.
---
 src/debugpy/server/cli.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/debugpy/server/cli.py b/src/debugpy/server/cli.py
index a035cbb5..87846650 100644
--- a/src/debugpy/server/cli.py
+++ b/src/debugpy/server/cli.py
@@ -190,7 +190,9 @@ def parse_argv():
         except StopIteration:
             raise ValueError("missing target: " + TARGET)
 
-        switch = arg if arg.startswith("-") else ""
+        switch = compat.filename(arg)
+        if not switch.startswith("-"):
+            switch = ""
         for pattern, placeholder, action in switches:
             if re.match("^(" + pattern + ")$", switch):
                 break