Remove numpy<2 and setuptools<=75.8.2 pins

numpy 2.x is now supported;
Brian2 has fixed the distutils._msvccompiler import issue that required capping setuptools
(the setuptools constraint was added in commit 68324d3 to work around a Brian2 codegen crash on Windows).

Author: apdavison

.github/workflows/full-test.yml

@@ -19,10 +19,10 @@ jobs:
         python-version: ["3.9", "3.10", "3.12"]
         os: ["ubuntu-latest", "windows-latest"]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: mpi4py/setup-mpi@v1
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install Linux system dependencies
@@ -32,14 +32,14 @@ jobs:
     - name: Install basic Python dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install pytest pytest-cov coveralls flake8 "setuptools<=75.8.2" "numpy<2"
+        python -m pip install pytest pytest-cov coveralls flake8
     - name: Install Brian 2
       run: |
-        python -m pip install brian2 "numpy<2"
+        python -m pip install brian2
     - name: Install NEURON
       if: startsWith(matrix.os, 'ubuntu')
       run: |
-        python -m pip install "neuron>=9.0.0" "numpy<2"
+        python -m pip install "neuron>=9.0.0"
         python -m pip install "nrnutils>0.2.0"
     - name: Install NEST
       if: startsWith(matrix.os, 'ubuntu')
@@ -53,10 +53,10 @@ jobs:
     - name: Install Arbor
       if: startsWith(matrix.os, 'ubuntu')
       run: |
-        python -m pip install arbor==0.9.0 libNeuroML "numpy<2"
+        python -m pip install arbor==0.9.0 libNeuroML
     - name: Install PyNN itself
       run: |
-        python -m pip install -e ".[test]" "numpy<2"
+        python -m pip install -e ".[test]"
     - name: Test installation has worked (Ubuntu)
       # this is needed because the PyNN tests are just skipped if the simulator
       # fails to install, so we need to catch import failures separately

Makefile

@@ -97,7 +97,7 @@ $(NEST_STAMP): $(NEST_VENV_STAMP) $(NEST_SRC_UNPACKED)
 	    $(CURDIR)/pyNN/nest/extensions
 	cd $(NEST_BUILD_DIR)/pynn_extensions && make install
 	$(NEST_PIP) install \
-	    "numpy<2" "neuron>=9.0.0" nrnutils "arbor==0.9.0" \
+	    "neuron>=9.0.0" nrnutils "arbor==0.9.0" \
 	    brian2 libNeuroML scipy matplotlib Cheetah3 h5py Jinja2 \
 	    pytest pytest-xdist pytest-cov flake8
 	$(NEST_PIP) install -e .

pyNN/brian2/projections.py

@@ -49,7 +49,7 @@ def _set(self, attr_name, value):
             1,), schema=self.projection.synapse_type.get_schema())
         native_ps = self.projection.synapse_type.translate(ps)
         native_ps.evaluate()
-        getattr(self._syn_obj, attr_name)[self.index] = native_ps[attr_name]
+        getattr(self._syn_obj, attr_name)[self.index] = native_ps[attr_name][0]
 
     def _set_weight(self, w):
         self._set("weight", w)

test/environment-nest3.9.yml

@@ -22,7 +22,7 @@ dependencies:
   - python=3.12
   - nest-simulator=3.9
   - brian2
-  - numpy<2
+  - numpy
   - scipy
   - matplotlib
   - mpi4py