Bind to Python with pybind11

.ci/cmake.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -eu -o pipefail
+
+echo "-- Installing CMake"
+CMAKE_VERSION="3.11.4"
+target_path=$HOME/Deps/cmake/$CMAKE_VERSION
+cmake_url="https://cmake.org/files/v${CMAKE_VERSION%.*}/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz"
+mkdir -p "$target_path"
+curl -Ls "$cmake_url" | tar -xz -C "$target_path" --strip-components=1
+echo "-- Done installing CMake"

.ci/pybind11.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -eu -o pipefail
+
+pybind11_VERSION="2.4.3"
+echo "-- Installing pybind11 $pybind11_VERSION"
+cd "$HOME"/Downloads
+mkdir -p pybind11
+curl -Ls https://github.com/pybind/pybind11/archive/v${pybind11_VERSION}.tar.gz | tar -xz -C pybind11 --strip-components=1
+cd pybind11
+cmake -H. -Bbuild_pybind11 -DCMAKE_INSTALL_PREFIX="$HOME"/Deps/pybind11 -DPYTHON_EXECUTABLE=$(which python) -DPYBIND11_TEST=OFF #&> /dev/null
+cmake --build build_pybind11 -- install #&> /dev/null
+cd "$TRAVIS_BUILD_DIR"
+rm -rf "$HOME"/Downloads/pybind11
+echo "-- Done with pybind11 $pybind11_VERSION"

.gitignore

@@ -40,3 +40,5 @@ cmake/lib/*.pyc
 
 # Emacs backup files
 *~
+/.ccls-cache/
+/.mypy_cache/

.travis.yml

@@ -1,6 +1,6 @@
 language: cpp
 sudo: false
-dist: trusty
+dist: xenial
 
 matrix:
   include:
@@ -11,25 +11,22 @@ matrix:
         apt:
           packages:
             - clang
-            - cmake3
             - gfortran
-            - swig
       env:
         - CXX_COMPILER='clang++'
         - C_COMPILER='clang'
         - Fortran_COMPILER='gfortran'
         - BUILD_TYPE='Release'
         - PYTHON='--three'
         - COVERAGE=OFF
+        - PYBIND11='-Dpybind11_DIR=$HOME/Deps/pybind11/share/cmake/pybind11'
     - os: linux
       compiler: clang
       addons: &clang35
         apt:
           packages:
             - clang-3.5
-            - cmake3
             - gfortran
-            - swig
       env:
         - CXX_COMPILER='clang++-3.5'
         - C_COMPILER='clang-3.5'
@@ -43,9 +40,7 @@ matrix:
         apt:
           packages:
             - clang-3.8
-            - cmake3
             - gfortran
-            - swig
       env:
         - CXX_COMPILER='clang++-3.8'
         - C_COMPILER='clang-3.8'
@@ -59,18 +54,17 @@ matrix:
       addons: &gcc48
         apt:
           packages:
-            - cmake3
-            - g++
-            - gcc
-            - gfortran
-            - swig
+            - g++-4.8
+            - gcc-4.8
+            - gfortran-4.8
       env:
-        - CXX_COMPILER='g++'
-        - C_COMPILER='gcc'
-        - Fortran_COMPILER='gfortran'
+        - CXX_COMPILER='g++-4.8'
+        - C_COMPILER='gcc-4.8'
+        - Fortran_COMPILER='gfortran-4.8'
         - BUILD_TYPE='Release'
         - PYTHON='--two'
         - COVERAGE=OFF
+        - PYBIND11='-Dpybind11_DIR=$HOME/Deps/pybind11/share/cmake/pybind11'
     - os: linux
       python: 3.6
       compiler: gcc
@@ -79,11 +73,9 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
-            - cmake3
             - g++-5
             - gcc-5
             - gfortran-5
-            - swig
       env:
         - CXX_COMPILER='g++-5'
         - C_COMPILER='gcc-5'
@@ -98,11 +90,9 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
-            - cmake3
             - g++-6
             - gcc-6
             - gfortran-6
-            - swig
       env:
         - CXX_COMPILER='g++-6'
         - C_COMPILER='gcc-6'
@@ -117,11 +107,9 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
-            - cmake3
             - g++-7
             - gcc-7
             - gfortran-7
-            - swig
       env:
         - CXX_COMPILER='g++-7'
         - C_COMPILER='gcc-7'
@@ -132,16 +120,32 @@ matrix:
     # 3/ OSX Clang Builds
     - os: osx
       compiler: clang
+      addons:
+        homebrew:
+          packages:
+            - cmake
+            - python
+            - pipenv
+          update: true
       env:
         - CXX_COMPILER='clang++'
         - C_COMPILER='clang'
         - Fortran_COMPILER='gfortran'
         - BUILD_TYPE='Release'
         - PYTHON='--two'
         - COVERAGE=OFF
+        - PYBIND11='-Dpybind11_DIR=$HOME/Deps/pybind11/share/cmake/pybind11'
     # 4/ OSX GCC Builds
     - os: osx
       compiler: gcc
+      addons:
+        homebrew:
+          packages:
+            - gcc
+            - cmake
+            - python
+            - pipenv
+          update: true
       env:
         - CXX_COMPILER='g++'
         - C_COMPILER='gcc'
@@ -157,12 +161,10 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
-            - cmake3
             - g++-7
             - gcc-7
             - gfortran-7
             - lcov
-            - swig
       env:
         - CXX_COMPILER='g++-7'
         - C_COMPILER='gcc-7'
@@ -175,25 +177,19 @@ before_install:
   - test -n $CC && unset CC
   - test -n $CXX && unset CXX
   - test -n $FC && unset FC
+  - mkdir -p "$HOME"/Deps "$HOME"/Downloads
 
 install:
-  - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
-  - mkdir -p ${DEPS_DIR} && cd ${DEPS_DIR}
   - |
-    if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
-      brew update &> /dev/null
-      brew cask uninstall --force oclint
-      brew upgrade cmake python
-      brew install gcc pipenv swig
-    elif [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
-      # pip install --user pipenv --upgrade
-      # https://github.com/pypa/pipenv/issues/3224
-      pip install --user --upgrade -e git+https://github.com/pypa/pipenv.git#egg=pipenv
+    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
+      pip install --user pipenv --upgrade
     fi
   - pipenv $PYTHON install --dev
+  - source $(pipenv --venv)/bin/activate
+  - ./.ci/cmake.sh
+  - ./.ci/pybind11.sh
 
 before_script:
-  - source $(pipenv --venv)/bin/activate
   - python --version
   - cd ${TRAVIS_BUILD_DIR}
   - >
@@ -206,6 +202,7 @@ before_script:
      -DENABLE_PYTHON_INTERFACE=ON
      -DPYTHON_EXECUTABLE=$(which python)
      -DCMAKE_INSTALL_PREFIX=$HOME/Software/xcfun
+     ${PYBIND11}
 
 script:
   # Build and install

CMakeLists.txt

@@ -2,7 +2,7 @@
 # Copyright (c) 2015-2019 by Radovan Bast, Roberto Di Remigio, Jonas Juselius, and contributors.
 
 # set minimum cmake version
-cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.11 FATAL_ERROR)
 
 # project name
 project(XCFun LANGUAGES CXX C)
@@ -61,5 +61,4 @@ include(${PROJECT_SOURCE_DIR}/cmake/custom/compilers/CXXFlags.cmake)
 include(${PROJECT_SOURCE_DIR}/cmake/custom/compilers/CFlags.cmake)
 include(${PROJECT_SOURCE_DIR}/cmake/custom/static_library.cmake)
 include(${PROJECT_SOURCE_DIR}/cmake/custom/xcfun.cmake)
-include(${PROJECT_SOURCE_DIR}/cmake/downloaded/autocmake_src.cmake)
 include(${PROJECT_SOURCE_DIR}/cmake/custom/test.cmake)

Pipfile

@@ -7,14 +7,13 @@ name = "pypi"
 
 [packages]
 
-numpy = "*"
-
 [dev-packages]
 
 Sphinx = "*"
-sphinx_rtd_theme = "*"
 fprettify = "*"
-pathlib2 = {version = "*", markers="python_version < '3'"} 
-pyyaml = "*"
+numpy = "*"
+pathlib2 = {version = "*", markers="python_version < '3'"}
 pytest = "*"
+pyyaml = "*"
+sphinx_rtd_theme = "*"
 yapf = "*"

api/CMakeLists.txt

@@ -1,6 +1,7 @@
-file(
-  COPY ${CMAKE_CURRENT_LIST_DIR}/xcfun.h
-  DESTINATION ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
+configure_file(
+  ${CMAKE_CURRENT_LIST_DIR}/xcfun.h
+  ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}/xcfun.h
+  COPYONLY
   )
 
 install(
@@ -10,9 +11,10 @@ install(
     ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
   )
 
-file(
-  COPY ${CMAKE_CURRENT_LIST_DIR}/xcfun.F90
-  DESTINATION ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
+configure_file(
+  ${CMAKE_CURRENT_LIST_DIR}/xcfun.F90
+  ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}/xcfun.F90
+  COPYONLY
   )
 
 install(

cmake/autocmake.yml

@@ -3,7 +3,7 @@
 # adapt the following lines and expand
 
 name: XCFun
-min_cmake_version: 3.5
+min_cmake_version: 3.11
 setup_script: setup
 url_root: https://github.com/coderefinery/autocmake/raw/master/
 default_build_type: Debug
@@ -30,7 +30,6 @@ modules:
   - src:
     - source:
       - 'custom/xcfun.cmake'
-      - '%(url_root)modules/src.cmake'
   - testing:
     - source:
       - 'custom/test.cmake'