migrated dune-alugrid from corepy to here

CMakeLists.txt

@@ -27,7 +27,7 @@ list(APPEND CMAKE_MODULE_PATH ${dune-grid_MODULE_PATH}
 
 #include the dune macros
 include(DuneMacros)
-include(GridType) 
+include(GridType)
 
 # start a dune project with information from dune.module
 dune_project()
@@ -43,5 +43,7 @@ add_subdirectory(lib)
 add_subdirectory(examples EXCLUDE_FROM_ALL)
 add_subdirectory(utils)
 
+add_subdirectory(python)
+
 # finalize the dune project, e.g., generate config.h etc.
 finalize_dune_project(GENERATE_CONFIG_H_CMAKE)

dune.module

@@ -3,3 +3,4 @@ Version: 3.0.0
 Maintainer: alugrid@mathematik.uni-freiburg.de
 Whitespace-Hook: Yes
 Depends: dune-grid (>= 2.4)
+Suggests: dune-corepy

python/CMakeLists.txt

+add_subdirectory(dune)
+
+configure_file(setup.py.in setup.py)

python/dune/CMakeLists.txt

+add_subdirectory(alugrid)
+
+add_python_targets(dune
+  __init__
+)

python/dune/__init__.py

+__import__('pkg_resources').declare_namespace(__name__)

python/dune/alugrid/CMakeLists.txt

+add_python_targets(alugrid
+  __init__
+  _create
+  _grids
+)

python/dune/alugrid/__init__.py

+from ._grids import *

python/dune/alugrid/_create.py

+from ._grids import *
+
+registry = dict()
+registry["grid"] = {
+        "ALU"        : aluGrid,
+        "ALUConform" : aluConformGrid,
+        "ALUCube" :    aluCubeGrid,
+        "ALUSimplex" : aluSimplexGrid,
+    }

python/dune/alugrid/_grids.py

+from __future__ import absolute_import, division, print_function, unicode_literals
+
+def aluGrid(constructor, dimgrid, dimworld=None, elementType=None, **parameters):
+    from dune.grid.grid_generator import module
+
+    if dimworld is None:
+        dimworld = dimgrid
+    if elementType is None:
+        elementType = parameters.pop("type")
+    refinement = parameters["refinement"]
+
+    if refinement == "conforming":
+        refinement="Dune::conforming"
+    elif refinement == "nonconforming":
+        refinement="Dune::nonconforming"
+
+    if not (2 <= dimworld and dimworld <= 3):
+        raise KeyError("Parameter error in ALUGrid with dimworld=" + str(dimworld) + ": dimworld has to be either 2 or 3")
+    if not (2 <= dimgrid and dimgrid <= dimworld):
+        raise KeyError("Parameter error in ALUGrid with dimgrid=" + str(dimgrid) + ": dimgrid has to be either 2 or 3")
+    if refinement=="Dune::conforming" and elementType=="Dune::cube":
+        raise KeyError("Parameter error in ALUGrid with refinement=" + refinement + " and type=" + elementType + ": conforming refinement is only available with simplex element type")
+
+    typeName = "Dune::ALUGrid< " + str(dimgrid) + ", " + str(dimworld) + ", " + elementType + ", " + refinement + " >"
+    includes = ["dune/alugrid/grid.hh", "dune/alugrid/dgf.hh"]
+    gridModule = module(includes, typeName)
+
+    return gridModule.LeafGrid(gridModule.reader(constructor))
+
+
+def aluConformGrid(constructor, dimgrid, dimworld=None, **parameters):
+    return aluGrid(constructor, dimgrid, dimworld, elementType="Dune::simplex", refinement="Dune::conforming")
+
+
+def aluCubeGrid(constructor, dimgrid, dimworld=None, **parameters):
+    return aluGrid(constructor, dimgrid, dimworld, elementType="Dune::cube", refinement="Dune::nonconforming")
+
+
+def aluSimplexGrid(constructor, dimgrid, dimworld=None):
+    return aluGrid(constructor, dimgrid, dimworld, elementType="Dune::simplex", refinement="Dune::nonconforming")
+
+
+if __name__ == "__main__":
+    import doctest
+    doctest.testmod(optionflags=doctest.ELLIPSIS)

python/setup.py.in

+from setuptools import setup, find_packages
+
+setup(name="dune.alugrid",
+    namespace_packages=['dune'],
+    description="Python lib for dune: dune-alugrid library",
+    version="2.4",
+    author="Andreas Dedner and Martin Nolte",
+    packages = find_packages(),
+    zip_safe = 0,
+    package_data = {'': ['*.so']}
+  )