fix: regex

Author: tswast

pandas_gbq/core/biglake.py

@@ -14,9 +14,7 @@
 import dataclasses
 from typing import Sequence
 
-import google.auth.transport.requests
 import google.cloud.bigquery
-import google.oauth2.credentials
 
 import pandas_gbq.core.resource_references
 

pandas_gbq/core/resource_references.py

@@ -11,10 +11,14 @@
     # name. Such projects still exist, especially at Google.
     r"^(?P<legacy_project_domain>[^:]+:)?"
     r"(?P<project>[^.]+)\."
-    # Dataset for native BigQuery tables, catalog + namespace(s) for  BigLake.
-    r"(?P<inner_parts>([^.\s]+\.?)+)\."
+    # Match dataset or catalog + namespace.
+    #
+    # Namespace could be arbitrarily deeply nested in Iceberg/BigLake. Support
+    # this without catastrophic backtracking by moving the trailing "." to the
+    # table group.
+    r"(?P<inner_parts>.*)"
     # Table names can't contain ".", as that's used as the separator.
-    r"(?P<table>[^.]+)$"
+    r"\.(?P<table>[^.]+)$"
 )
 
 

setup.py

@@ -40,7 +40,6 @@
     # allow pandas-gbq to detect invalid package versions at runtime.
     "google-cloud-bigquery >=3.20.0,<4.0.0",
     "packaging >=22.0.0",
-    "requests >= 2.20.0, < 3.0.0",
 ]
 extras = {
     "bqstorage": [

testing/constraints-3.9.txt

@@ -16,7 +16,6 @@ google-auth==2.14.1
 google-auth-oauthlib==0.7.0
 google-cloud-bigquery==3.20.0
 packaging==22.0.0
-requests==2.20.0
 # Extras
 google-cloud-bigquery-storage==2.16.2
 tqdm==4.23.0

tests/unit/core/test_core_resource_references.py

@@ -0,0 +1,4 @@
+# Copyright (c) 2026 pandas-gbq Authors All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+

tests/unit/test_core_sample.py tests/unit/core/test_core_sample.pytests/unit/test_core_sample.py renamed to tests/unit/core/test_core_sample.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2025 pandas-gbq Authors All rights reserved.
+# Copyright (c) 2026 pandas-gbq Authors All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.