fix: Backport build fixes to 0.7, test compilation on Windows

.appveyor.yml

@@ -0,0 +1,40 @@
+os: Visual Studio 2015
+platform: x64
+environment:
+  global:
+    MINICONDA: "C:\\Miniconda36-x64"
+  matrix:
+    - PYTHON_VERSION: 3.7
+
+install:
+  - set PATH=%MINICONDA%;%MINICONDA%\Scripts;%PATH%
+  - conda config --set always_yes yes --set changeps1 no
+  - conda update -q conda
+  - conda info -a
+  - conda create -q -n test-env python=%PYTHON_VERSION%
+  - activate test-env
+  - conda install numpy cython scipy matplotlib pandas setuptools libpython m2w64-toolchain -c msys2 -q
+  - gcc --version
+  - mingw32-make --version
+  # Install the build dependencies of the project.
+  - pip install -q -r requirements.txt
+  - pip install -q -r test-requirements.txt
+
+  - ECHO "Starting to build the wheel"
+  # generate required cpp files
+  - mingw32-make
+  # build the wheel and install it
+  - python setup.py --quiet bdist_wheel
+  - ps: "ls dist"
+
+  - ECHO "Install generated wheel to test it"
+  # Install the generated wheel package to test it
+  - pip install -q --pre --no-index --find-links dist/ httpstan
+
+# Not a .NET project, we build pystan in the install step instead
+build: false
+
+test_script:
+  - mkdir empty_folder
+  - cd empty_folder
+  - python -c "import httpstan"

.travis.yml

@@ -1,6 +1,7 @@
-dist: xenial
+dist: bionic
 language: python
-python: 3.6
+# NOTE: when `language: python` is set, using `compiler: clang` or
+# `compiler: gcc` does nothing. These only work when `language: cpp`.
 matrix:
   include:
     - python: 3.6
@@ -13,13 +14,10 @@ matrix:
     - env: TOXENV=coverage
 before_install:
   - python --version
+  - if [[ -n $CC ]]; then $CC --version; fi
 install:
-  - pip install cython
-  - pip install tox
-  - pip install coveralls
-before_script:
-  - pip install grpcio-tools
-  - make cython protos
+  - pip install cython tox coveralls grpcio-tools
+  - make  # generate required C++ files
 script:
   - travis_wait 60 tox
 after_success:

Makefile

@@ -1,19 +1,20 @@
 PYTHON ?= python
 CYTHON ?= cython
+PROTOBUF_FILES := httpstan/callbacks_writer_pb2.py
+CPP_FILES := httpstan/stan.cpp httpstan/compile.cpp
 
-default: protos cython
+default: $(PROTOBUF_FILES) $(CPP_FILES)
 
 %.cpp: %.pyx
 	$(CYTHON) -3 --cplus $<
 
-cython: httpstan/stan.cpp httpstan/compile.cpp
-
-openapi: doc/source/openapi.json
+httpstan/%_pb2.py: protos/%.proto
+	$(PYTHON) -m grpc_tools.protoc -Iprotos --python_out=httpstan $<
 
-protos: httpstan/callbacks_writer_pb2.py
+httpstan/%_pb.hpp: protos/%.proto
+	$(PYTHON) -m grpc_tools.protoc -Iprotos --cpp_out=httpstan $<
 
-httpstan/%_pb2.py: protos/%.proto
-	python3 -m grpc_tools.protoc -Iprotos --python_out=httpstan $<
+openapi: doc/source/openapi.json
 
 doc/source/openapi.json: httpstan/routes.py httpstan/views.py
 	@echo writing OpenAPI spec to $@

README.rst

@@ -56,8 +56,7 @@ A working copy of ``protoc`` is needed to build from source. One way to get this
 
 ::
 
-    $ make cython  # generate C++ code from Cython .pyx files
-    $ make protos  # generate Python modules for protocol buffer schemas
+    $ make  # generate required C++ code
     $ python3 setup.py install
 
 Usage

doc/source/installation.rst

@@ -15,6 +15,5 @@ A working copy of ``protoc`` is needed to build from source. An easy way to inst
 
 ::
 
-    $ make cython  # generate C++ code from Cython .pyx files
-    $ make protos  # generate Python modules for protocol buffer schemas
+    $ make  # generate required C++ code
     $ python3 setup.py install

requirements.txt

@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr<5,>=4.0 # Apache-2.0
+pbr<6,>=5 # Apache-2.0
 aiohttp<4,>=3.2.1
 appdirs<2,>=1.4.3
 webargs<6,>=5

setup.cfg

@@ -30,7 +30,9 @@ include_dirs =
 language = c++
 extra_compile_args =
     -O3
-    -std=c++11
+    -std=c++1y
+    # MinGW fix, https://github.com/python/cpython/pull/11283
+    -D_hypot=hypot
 
 [extension=httpstan.compile]
 sources =
@@ -50,9 +52,7 @@ sources =
     httpstan/lib/stan/src/stan/lang/grammars/whitespace_grammar_inst.cpp
 define_macros =
     BOOST_DISABLE_ASSERTS
-    BOOST_NO_DECLTYPE
     BOOST_PHOENIX_NO_VARIADIC_EXPRESSION
-    BOOST_RESULT_OF_USE_TR1
 include_dirs =
     httpstan
     httpstan/lib/stan/src
@@ -63,7 +63,9 @@ include_dirs =
 language = c++
 extra_compile_args =
     -O3
-    -std=c++11
+    -std=c++1y
+    # MinGW fix, https://github.com/python/cpython/pull/11283
+    -D_hypot=hypot
 
 [build_sphinx]
 all-files = 1

test-requirements.txt

@@ -4,8 +4,8 @@
 flake8<4,>=3.3
 flake8-bugbear<19,>=18.2.0
 
-pytest<4,>=3.0.7
-pytest-cov<3,>=2.6
+pytest<6,>=5
+pytest-cov<3,>=2.7
 sphinx<2,>=1.7 # BSD
 
 # type checking