feat: add brainpy_state module and update dependencies

Author: chaoming0625

brainpy/__init__.py

@@ -146,7 +146,7 @@
 
 optimizers = optim
 
-try:
-    import brainpy.state as state
-except:
-    pass
+
+# New package
+from brainpy import state
+

brainpy/state/README.md

@@ -0,0 +1,3 @@
+# ``brainpy.state`` README
+
+This module is being maintained by [brainpy_state](https://github.com/chaobrain/brainpy.state). 

brainpy/state/__init__.py

@@ -0,0 +1,20 @@
+# Copyright 2025 BrainX Ecosystem Limited. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+
+from brainpy_state import *
+from brainpy_state import __all__
+
+
+

pyproject.toml

@@ -43,7 +43,7 @@ dependencies = [
     "brainunit",
     "brainevent>=0.0.4",
     "braintools>=0.0.9",
-    'brainpy-state',
+    'brainpy_state>=0.0.2',
 ]
 
 dynamic = ['version']

requirements.txt

@@ -3,6 +3,6 @@ brainunit
 brainevent>=0.0.4
 braintools>=0.1.0
 brainstate>=0.2.7
-brainpy-state
+brainpy_state>=0.0.2
 jax
 tqdm