refactored subshell execution code for greater readability and moved it to utils

1 files changed, 22 insertions, 0 deletions

diff --git a/bitsandbytes/utils.py b/bitsandbytes/utils.py
index 29b9c90..6797407 100644
--- a/bitsandbytes/utils.py
+++ b/bitsandbytes/utils.py
@@ -1,6 +1,28 @@
+import shlex
+import subprocess
 import sys
 
 
+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()
+    return std_out, std_err
+
+
 def print_err(s: str) -> None:
     print(s, file=sys.stderr)