Move encoding switch to before the unicode decision is made

cibuildwheel/__main__.py

@@ -54,11 +54,6 @@ def strtobool(val: str) -> bool:
 
 
 def main() -> None:
-    if sys.platform == 'win32' and hasattr(sys.stdout, 'reconfigure'):
-        # the encoding on Windows can be a 1-byte charmap, but all CIs support
-        # utf8, so we hardcode that
-        sys.stdout.reconfigure(encoding='utf8')
-
     parser = argparse.ArgumentParser(
         description='Build wheels for all the platforms.',
         epilog='''

cibuildwheel/logger.py

@@ -34,6 +34,11 @@ class Logger:
     active_fold_group_name: Optional[str] = None
 
     def __init__(self):
+        if sys.platform == 'win32' and hasattr(sys.stdout, 'reconfigure'):
+            # the encoding on Windows can be a 1-byte charmap, but all CIs
+            # support utf8, so we hardcode that
+            sys.stdout.reconfigure(encoding='utf8')
+
         self.unicode_enabled = file_supports_unicode(sys.stdout)
 
         if 'AZURE_HTTP_USER_AGENT' in os.environ: