1 files changed, 32 insertions, 0 deletions
diff --git a/bitsandbytes/utils.py b/bitsandbytes/utils.py
new file mode 100644
index 0000000..4256a87
--- /dev/null
+++ b/bitsandbytes/utils.py
@@ -0,0 +1,32 @@
+import shlex
+import subprocess
+import sys
+from typing import Tuple
+
+
+def execute_and_return(command_string: str) -> Tuple[str, str]:
+    def _decode(subprocess_err_out_tuple):
+        return tuple(
+            to_decode.decode("UTF-8").strip()
+            for to_decode in subprocess_err_out_tuple
+        )
+
+    def execute_and_return_decoded_std_streams(command_string):
+        return _decode(
+            subprocess.Popen(
+                shlex.split(command_string),
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE,
+            ).communicate()
+        )
+
+    std_out, std_err = execute_and_return_decoded_std_streams(command_string)
+    return std_out, std_err
+
+
+def print_stderr(s: str) -> None:
+    print(s, file=sys.stderr)
+
+
+def warn_of_missing_prerequisite(s: str) -> None:
+    print_stderr("WARNING, missing pre-requisite: " + s)