Fix regex strings in Python 3.12 (#8925)

awscli/compat.py

@@ -418,9 +418,9 @@ def _parse_release_file(firstline):
                 id = l[1]
         return '', version, id
 
-    _distributor_id_file_re = re.compile("(?:DISTRIB_ID\s*=)\s*(.*)", re.I)
-    _release_file_re = re.compile("(?:DISTRIB_RELEASE\s*=)\s*(.*)", re.I)
-    _codename_file_re = re.compile("(?:DISTRIB_CODENAME\s*=)\s*(.*)", re.I)
+    _distributor_id_file_re = re.compile(r"(?:DISTRIB_ID\s*=)\s*(.*)", re.I)
+    _release_file_re = re.compile(r"(?:DISTRIB_RELEASE\s*=)\s*(.*)", re.I)
+    _codename_file_re = re.compile(r"(?:DISTRIB_CODENAME\s*=)\s*(.*)", re.I)
 
     def linux_distribution(
         distname='',

awscli/customizations/cloudtrail/validation.py

@@ -73,16 +73,24 @@ def assert_cloudtrail_arn_is_valid(trail_arn):
     """Ensures that the arn looks correct.
 
     ARNs look like: arn:aws:cloudtrail:us-east-1:123456789012:trail/foo"""
-    pattern = re.compile('arn:.+:cloudtrail:.+:\d{12}:trail/.+')
+    pattern = re.compile(r'arn:.+:cloudtrail:.+:\d{12}:trail/.+')
     if not pattern.match(trail_arn):
         raise ValueError('Invalid trail ARN provided: %s' % trail_arn)
 
 
-def create_digest_traverser(cloudtrail_client, organization_client,
-                            s3_client_provider, trail_arn,
-                            trail_source_region=None, on_invalid=None,
-                            on_gap=None, on_missing=None, bucket=None,
-                            prefix=None, account_id=None):
+def create_digest_traverser(
+    cloudtrail_client,
+    organization_client,
+    s3_client_provider,
+    trail_arn,
+    trail_source_region=None,
+    on_invalid=None,
+    on_gap=None,
+    on_missing=None,
+    bucket=None,
+    prefix=None,
+    account_id=None,
+):
     """Creates a CloudTrail DigestTraverser and its object graph.
 
     :type cloudtrail_client: botocore.client.CloudTrail
@@ -244,9 +252,16 @@ class DigestProvider(object):
     dict. This class is not responsible for validation or iterating from
     one digest to the next.
     """
-    def __init__(self, s3_client_provider, account_id, trail_name,
-                 trail_home_region, trail_source_region=None,
-                 organization_id=None):
+
+    def __init__(
+        self,
+        s3_client_provider,
+        account_id,
+        trail_name,
+        trail_home_region,
+        trail_source_region=None,
+        organization_id=None,
+    ):
         self._client_provider = s3_client_provider
         self.trail_name = trail_name
         self.account_id = account_id

awscli/customizations/codedeploy/push.py

@@ -61,8 +61,8 @@ class Push(BasicCommand):
                 'revision to be uploaded to Amazon S3. You must specify both '
                 'a bucket and a key that represent the Amazon S3 bucket name '
                 'and the object key name. Content will be zipped before '
-                'uploading. Use the format s3://\<bucket\>/\<key\>'
-            )
+                'uploading. Use the format s3://<bucket>/<key>'
+            ),
         },
         {
             'name': 'ignore-hidden-files',

awscli/customizations/emr/createcluster.py

@@ -199,9 +199,11 @@ def _run_main_command(self, parsed_args, parsed_globals):
                     raise ValueError('aws: error: invalid json argument for '
                                      'option --configurations')
 
-        if (parsed_args.release_label is None and
-                parsed_args.ami_version is not None):
-            is_valid_ami_version = re.match('\d?\..*', parsed_args.ami_version)
+        if (
+            parsed_args.release_label is None
+            and parsed_args.ami_version is not None
+        ):
+            is_valid_ami_version = re.match(r'\d?\..*', parsed_args.ami_version)
             if is_valid_ami_version is None:
                 raise exceptions.InvalidAmiVersionError(
                     ami_version=parsed_args.ami_version)

awscli/shorthand.py

@@ -126,9 +126,9 @@ class ShorthandParser:
 
     _SINGLE_QUOTED = _NamedRegex('singled quoted', r'\'(?:\\\\|\\\'|[^\'])*\'')
     _DOUBLE_QUOTED = _NamedRegex('double quoted', r'"(?:\\\\|\\"|[^"])*"')
-    _START_WORD = '\!\#-&\(-\+\--\<\>-Z\\\\-z\u007c-\uffff'
-    _FIRST_FOLLOW_CHARS = '\s\!\#-&\(-\+\--\\\\\^-\|~-\uffff'
-    _SECOND_FOLLOW_CHARS = '\s\!\#-&\(-\+\--\<\>-\uffff'
+    _START_WORD = r'\!\#-&\(-\+\--\<\>-Z\\\\-z\u007c-\uffff'
+    _FIRST_FOLLOW_CHARS = r'\s\!\#-&\(-\+\--\\\\\^-\|~-\uffff'
+    _SECOND_FOLLOW_CHARS = r'\s\!\#-&\(-\+\--\<\>-\uffff'
     _ESCAPED_COMMA = '(\\\\,)'
     _FIRST_VALUE = _NamedRegex(
         'first',