Refs #34233 -- Used str.removeprefix()/removesuffix().

7 files changed, 9 insertions, 10 deletions

diff --git a/django/core/cache/backends/memcached.py b/django/core/cache/backends/memcached.py
index c970505b48..6e2c761511 100644
--- a/django/core/cache/backends/memcached.py
+++ b/django/core/cache/backends/memcached.py
@@ -155,7 +155,7 @@ class PyLibMCCache(BaseMemcachedCache):
     def client_servers(self):
         output = []
         for server in self._servers:
-            output.append(server[5:] if server.startswith("unix:") else server)
+            output.append(server.removeprefix("unix:"))
         return output
 
     def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
diff --git a/django/core/handlers/asgi.py b/django/core/handlers/asgi.py
index 2aede079b9..39e2abe5a9 100644
--- a/django/core/handlers/asgi.py
+++ b/django/core/handlers/asgi.py
@@ -41,9 +41,9 @@ class ASGIRequest(HttpRequest):
         self._read_started = False
         self.resolver_match = None
         self.script_name = self.scope.get("root_path", "")
-        if self.script_name and scope["path"].startswith(self.script_name):
+        if self.script_name:
             # TODO: Better is-prefix checking, slash handling?
-            self.path_info = scope["path"][len(self.script_name) :]
+            self.path_info = scope["path"].removeprefix(self.script_name)
         else:
             self.path_info = scope["path"]
         # The Django path is different from ASGI scope path args, it should
diff --git a/django/core/handlers/wsgi.py b/django/core/handlers/wsgi.py
index c071b5ca8c..c2b7cc2b6f 100644
--- a/django/core/handlers/wsgi.py
+++ b/django/core/handlers/wsgi.py
@@ -187,7 +187,7 @@ def get_script_name(environ):
             # do the same with script_url before manipulating paths (#17133).
             script_url = _slashes_re.sub(b"/", script_url)
         path_info = get_bytes_from_wsgi(environ, "PATH_INFO", "")
-        script_name = script_url[: -len(path_info)] if path_info else script_url
+        script_name = script_url.removesuffix(path_info)
     else:
         script_name = get_bytes_from_wsgi(environ, "SCRIPT_NAME", "")
 
diff --git a/django/core/management/commands/inspectdb.py b/django/core/management/commands/inspectdb.py
index 992c523a8e..3194aecacb 100644
--- a/django/core/management/commands/inspectdb.py
+++ b/django/core/management/commands/inspectdb.py
@@ -275,7 +275,7 @@ class Command(BaseCommand):
 
         if is_relation:
             if new_name.endswith("_id"):
-                new_name = new_name[:-3]
+                new_name = new_name.removesuffix("_id")
             else:
                 field_params["db_column"] = col_name
 
diff --git a/django/core/management/templates.py b/django/core/management/templates.py
index dd83668bca..16f3b4442c 100644
--- a/django/core/management/templates.py
+++ b/django/core/management/templates.py
@@ -182,7 +182,7 @@ class TemplateCommand(BaseCommand):
                 )
                 for old_suffix, new_suffix in self.rewrite_template_suffixes:
                     if new_path.endswith(old_suffix):
-                        new_path = new_path[: -len(old_suffix)] + new_suffix
+                        new_path = new_path.removesuffix(old_suffix) + new_suffix
                         break  # Only rewrite once
 
                 if os.path.exists(new_path):
@@ -241,8 +241,7 @@ class TemplateCommand(BaseCommand):
         if template is None:
             return os.path.join(django.__path__[0], "conf", subdir)
         else:
-            if template.startswith("file://"):
-                template = template[7:]
+            template = template.removeprefix("file://")
             expanded_template = os.path.expanduser(template)
             expanded_template = os.path.normpath(expanded_template)
             if os.path.isdir(expanded_template):
diff --git a/django/core/management/utils.py b/django/core/management/utils.py
index a308763d9d..fca61f2c23 100644
--- a/django/core/management/utils.py
+++ b/django/core/management/utils.py
@@ -135,7 +135,7 @@ def normalize_path_patterns(patterns):
     for pattern in patterns:
         for dir_suffix in dir_suffixes:
             if pattern.endswith(dir_suffix):
-                norm_patterns.append(pattern[: -len(dir_suffix)])
+                norm_patterns.append(pattern.removesuffix(dir_suffix))
                 break
         else:
             norm_patterns.append(pattern)
diff --git a/django/core/serializers/json.py b/django/core/serializers/json.py
index 59d7318409..afac821465 100644
--- a/django/core/serializers/json.py
+++ b/django/core/serializers/json.py
@@ -87,7 +87,7 @@ class DjangoJSONEncoder(json.JSONEncoder):
             if o.microsecond:
                 r = r[:23] + r[26:]
             if r.endswith("+00:00"):
-                r = r[:-6] + "Z"
+                r = r.removesuffix("+00:00") + "Z"
             return r
         elif isinstance(o, datetime.date):
             return o.isoformat()