When using shell=True on Windows, don't display a shell window by default. Fixes #1057061.
diff --git a/PC/_subprocess.c b/PC/_subprocess.c
index 34073c6..61544c3 100644
--- a/PC/_subprocess.c
+++ b/PC/_subprocess.c
@@ -377,6 +377,7 @@
/* note: we only support a small subset of all SI attributes */
si.dwFlags = getint(startup_info, "dwFlags");
+ si.wShowWindow = getint(startup_info, "wShowWindow");
si.hStdInput = gethandle(startup_info, "hStdInput");
si.hStdOutput = gethandle(startup_info, "hStdOutput");
si.hStdError = gethandle(startup_info, "hStdError");
@@ -530,6 +531,8 @@
defint(d, "STD_ERROR_HANDLE", STD_ERROR_HANDLE);
defint(d, "DUPLICATE_SAME_ACCESS", DUPLICATE_SAME_ACCESS);
defint(d, "STARTF_USESTDHANDLES", STARTF_USESTDHANDLES);
+ defint(d, "STARTF_USESHOWWINDOW", STARTF_USESHOWWINDOW);
+ defint(d, "SW_HIDE", SW_HIDE);
defint(d, "INFINITE", INFINITE);
defint(d, "WAIT_OBJECT_0", WAIT_OBJECT_0);
defint(d, "CREATE_NEW_CONSOLE", CREATE_NEW_CONSOLE);