Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/lldb/packages/Python/lldbsuite/support/seven.py

@@ -0,0 +1,25 @@
+import six
+
+if six.PY2:
+    import commands
+    get_command_output = commands.getoutput
+    get_command_status_output = commands.getstatusoutput
+
+    cmp_ = cmp
+else:
+    def get_command_status_output(command):
+        try:
+            import subprocess
+            return (
+                0,
+                subprocess.check_output(
+                    command,
+                    shell=True,
+                    universal_newlines=True))
+        except subprocess.CalledProcessError as e:
+            return (e.returncode, e.output)
+
+    def get_command_output(command):
+        return get_command_status_output(command)[1]
+
+    cmp_ = lambda x, y: (x > y) - (x < y)