Ksagiyam/merge upstream partial

.github/workflows/build-wheels.yml

@@ -50,7 +50,7 @@ jobs:
       - name: Build sdist and wheel
         run: python -m build .
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: dist/*
 
@@ -59,7 +59,7 @@ jobs:
     needs: [build]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: artifact
           path: dist

.github/workflows/fenicsx-tests.yml

@@ -18,9 +18,9 @@ jobs:
       PETSC_ARCH: linux-gnu-real-64
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: 3.9
 

.github/workflows/pythonapp.yml

@@ -20,12 +20,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Lint with flake8
@@ -53,7 +53,7 @@ jobs:
           make html
 
       - name: Upload documentation artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: doc-${{ matrix.os }}-${{ matrix.python-version }}
           path: doc/sphinx/build/html/
@@ -62,7 +62,7 @@ jobs:
 
       - name: Checkout FEniCS/docs
         if: ${{ github.repository == 'FEniCS/ufl' && ( github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/') ) && runner.os == 'Linux' && matrix.python-version == 3.8 }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: "FEniCS/docs"
           path: "docs"

pyproject.toml

@@ -5,8 +5,8 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "fenics-ufl"
 version = "2023.3.0.dev0"
-authors = [{email="[email protected]"}, {name="FEniCS Project"}]
-maintainers = [{email="fenics-dev@googlegroups.com"}, {name="FEniCS Project Steering Council"}]
+authors = [{name="UFL contributors"}]
+maintainers = [{email="fenics-steering-council@googlegroups.com"}, {name="FEniCS Steering Council"}]
 description = "Unified Form Language"
 readme = "README.rst"
 license = {file = "COPYING.lesser"}

ufl/action.py

@@ -7,6 +7,8 @@
 #
 # Modified by Nacime Bouziani, 2021-2022.
 
+from itertools import chain
+
 from ufl.algebra import Sum
 from ufl.argument import Argument, Coargument
 from ufl.coefficient import BaseCoefficient, Coefficient, Cofunction
@@ -16,7 +18,6 @@
 from ufl.differentiation import CoefficientDerivative
 from ufl.form import BaseForm, Form, FormSum, ZeroBaseForm
 from ufl.matrix import Matrix
-from itertools import chain
 
 # --- The Action class represents the action of a numerical object that needs
 #     to be computed at assembly time ---

ufl/functionspace.py

@@ -36,7 +36,7 @@ def ufl_sub_spaces(self):
 class BaseFunctionSpace(AbstractFunctionSpace, UFLObject):
     """Base function space."""
 
-    def __init__(self, domain, element):
+    def __init__(self, domain, element, label=""):
         """Initialise."""
         if domain is None:
             # DOLFIN hack
@@ -50,11 +50,15 @@ def __init__(self, domain, element):
             else:
                 if element.cell != domain_cell:
                     raise ValueError("Non-matching cell of finite element and domain.")
-
         AbstractFunctionSpace.__init__(self)
+        self._label = label
         self._ufl_domain = domain
         self._ufl_element = element
 
+    def label(self):
+        """Return label of boundary domains to differentiate restricted and unrestricted."""
+        return self._label
+
     def ufl_sub_spaces(self):
         """Return ufl sub spaces."""
         return ()
@@ -88,7 +92,7 @@ def _ufl_hash_data_(self, name=None):
             edata = None
         else:
             edata = element._ufl_hash_data_()
-        return (name, ddata, edata)
+        return (name, ddata, edata, self.label())
 
     def _ufl_signature_data_(self, renumbering, name=None):
         """UFL signature data."""
@@ -103,7 +107,7 @@ def _ufl_signature_data_(self, renumbering, name=None):
             edata = None
         else:
             edata = element._ufl_signature_data_()
-        return (name, ddata, edata)
+        return (name, ddata, edata, self.label())
 
     def __repr__(self):
         """Representation."""
@@ -118,7 +122,7 @@ class FunctionSpace(BaseFunctionSpace, UFLObject):
 
     def dual(self):
         """Get the dual of the space."""
-        return DualSpace(self._ufl_domain, self._ufl_element)
+        return DualSpace(self._ufl_domain, self._ufl_element, label=self.label())
 
     def _ufl_hash_data_(self):
         """UFL hash data."""
@@ -143,13 +147,13 @@ class DualSpace(BaseFunctionSpace, UFLObject):
     _primal = False
     _dual = True
 
-    def __init__(self, domain, element):
+    def __init__(self, domain, element, label=""):
         """Initialise."""
-        BaseFunctionSpace.__init__(self, domain, element)
+        BaseFunctionSpace.__init__(self, domain, element, label)
 
     def dual(self):
         """Get the dual of the space."""
-        return FunctionSpace(self._ufl_domain, self._ufl_element)
+        return FunctionSpace(self._ufl_domain, self._ufl_element, label=self.label())
 
     def _ufl_hash_data_(self):
         """UFL hash data."""

ufl/operators.py

@@ -693,7 +693,7 @@ def exterior_derivative(f):
         except Exception:
             raise ValueError(f"Unable to determine element from {f}")
 
-    gdim = element.cell().geometric_dimension()
+    gdim = element.cell.geometric_dimension()
     space = element.sobolev_space
 
     if space == sobolevspace.L2: