Refs #32355 -- Modernized subprocess.run() calls.

django/core/management/utils.py

@@ -1,7 +1,7 @@
 import fnmatch
 import os
 from pathlib import Path
-from subprocess import PIPE, run
+from subprocess import run
 
 from django.apps import apps as installed_apps
 from django.utils.crypto import get_random_string
@@ -17,7 +17,7 @@ def popen_wrapper(args, stdout_encoding='utf-8'):
     Return stdout output, stderr output, and OS status code.
     """
     try:
-        p = run(args, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt')
+        p = run(args, capture_output=True, close_fds=os.name != 'nt')
     except OSError as err:
         raise CommandError('Error executing %s' % args[0]) from err
     return (

django/utils/version.py

@@ -85,8 +85,7 @@ def get_git_changeset():
     repo_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
     git_log = subprocess.run(
         'git log --pretty=format:%ct --quiet -1 HEAD',
-        stdout=subprocess.PIPE, stderr=subprocess.PIPE,
-        shell=True, cwd=repo_dir, universal_newlines=True,
+        capture_output=True, shell=True, cwd=repo_dir, text=True,
     )
     timestamp = git_log.stdout
     tz = datetime.timezone.utc

scripts/manage_translations.py

@@ -20,7 +20,7 @@
 
 import os
 from argparse import ArgumentParser
-from subprocess import PIPE, run
+from subprocess import run
 
 import django
 from django.conf import settings
@@ -74,7 +74,7 @@ def _check_diff(cat_name, base_path):
     po_path = '%(path)s/en/LC_MESSAGES/django%(ext)s.po' % {
         'path': base_path, 'ext': 'js' if cat_name.endswith('-js') else ''}
     p = run("git diff -U0 %s | egrep '^[-+]msgid' | wc -l" % po_path,
-            stdout=PIPE, stderr=PIPE, shell=True)
+            capture_output=True, shell=True)
     num_changes = int(p.stdout.strip())
     print("%d changed/added messages in '%s' catalog." % (num_changes, cat_name))
 
@@ -123,7 +123,7 @@ def lang_stats(resources=None, languages=None):
             )
             p = run(
                 ['msgfmt', '-vc', '-o', '/dev/null', po_path],
-                stdout=PIPE, stderr=PIPE,
+                capture_output=True,
                 env={'LANG': 'C'},
                 encoding='utf-8',
             )

tests/admin_scripts/tests.py

@@ -120,9 +120,10 @@ def run_test(self, args, settings_file=None, apps=None):
 
         p = subprocess.run(
             [sys.executable, *args],
-            stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+            capture_output=True,
             cwd=self.test_dir,
-            env=test_environ, universal_newlines=True,
+            env=test_environ,
+            text=True,
         )
         return p.stdout, p.stderr