BLD: Start testing on ubuntu 20.04 LTS

.github/workflows/main.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-18.04, macos-10.15]
+        os: [ubuntu-20.04, ubuntu-18.04, macos-10.15]
         python-version: [3.5, 3.6, 3.8]
         compiler: [gcc, clang]
         exclude:
@@ -32,11 +32,15 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'recursive'
+    - name: Set release name env variable (ubuntu)
+      if: startsWith(matrix.os, 'ubuntu')
+      run: |
+        echo ::set-env name=UBUNTU_RELEASE::$(lsb_release -sc)
     - name: Install newer clang (ubuntu)
       if: startsWith(matrix.os, 'ubuntu') && matrix.compiler == 'clang'
       run: |
         wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key 2>/dev/null | sudo apt-key add -
-        sudo add-apt-repository 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-10 main' -y
+        sudo add-apt-repository "deb http://apt.llvm.org/$UBUNTU_RELEASE/ llvm-toolchain-$UBUNTU_RELEASE-10 main" -y
         sudo apt-get update -q
         sudo apt-get install -y clang-10 lld-10 libc++-10-dev libc++abi-10-dev clang-tools-10
         echo ::set-env name=AR::llvm-ar-10
@@ -78,14 +82,15 @@ jobs:
     - name: Set gcc envvars
       if: matrix.compiler == 'gcc'
       run: |
-        echo ::set-env name=CC::gcc-8
-        echo ::set-env name=CXX::g++-8
+        echo ::set-env name=CC::gcc-9
+        echo ::set-env name=CXX::g++-9
     - name: Run the tests
       run: |
         make -j2 test
-    - name: Check that we can still install
+    - name: Build and install from an sdist
       run: |
-        pip install .
+        python setup.py sdist
+        pip install dist/libpy-*.tar.gz
     - name: Check that docs can be built
       # note we don't build this on macOS because the GHA python is built with
       # the wrong version of macOS, confusing clang.

MANIFEST.in

@@ -4,6 +4,7 @@ include etc/detect-compiler.cc
 include etc/build-and-run
 include etc/ext_suffix.py
 include etc/asan-path
+include etc/ld_flags.py
 include etc/python_version.py
 include version
 recursive-include src/ *.cc

Makefile

@@ -62,10 +62,8 @@ CXXFLAGS = $(BASE_CXXFLAGS) $($(COMPILER)_FLAGS)
 
 # https://github.com/quantopian/libpy/pull/86/files#r309288697
 INCLUDE_DIRS := include/ \
-	$(shell $(PYTHON) -c "from distutils import sysconfig; \
-						  print(sysconfig.get_config_var('INCLUDEPY'))") \
-	$(shell $(PYTHON) -c "from distutils import sysconfig; \
-						  print(sysconfig.get_config_var('INCLUDEDIR'))") \
+	$(shell $(PYTHON) -c "import sysconfig; \
+						  print(sysconfig.get_config_var('INCLDIRSTOMAKE'))") \
 	$(shell $(PYTHON) -c 'import numpy as np;print(np.get_include())') \
 	$(EXTRA_INCLUDE_DIRS)
 INCLUDE := $(foreach d,$(INCLUDE_DIRS), -I$d)
@@ -92,7 +90,7 @@ else
 	CXXFLAGS += -fstack-protector-strong
 	SONAME_FLAG := soname
 	SONAME_PATH := $(SONAME)
-	LDFLAGS += $(shell $(PYTHON)-config --ldflags)
+	LDFLAGS += $(shell $(PYTHON) etc/ld_flags.py)
 	LDFLAGS += -lstdc++fs
 	LD_PRELOAD_VAR := LD_PRELOAD
 endif

README.rst

@@ -25,7 +25,7 @@ libpy supports:
 
 libpy requires:
 
-- gcc>=8 or clang>=10
+- gcc>=9 or clang>=10
 - numpy>=1.11.3
 
 Optional Requirements

docs/source/install.rst

@@ -11,7 +11,7 @@ lipy supports:
 
 lipy requires:
 
-- gcc>=8 or clang>=10
+- gcc>=9 or clang>=10
 - numpy>=1.11.3
 
 Optional Requirements

etc/ld_flags.py

@@ -0,0 +1,14 @@
+# via https://github.com/python/cpython/blob/deb016224cc506503fb05e821a60158c83918ed4/Misc/python-config.in#L50 # noqa
+
+import sysconfig
+
+libs = []
+libpl = sysconfig.get_config_vars('LIBPL')
+if libpl:
+    libs.append("-L"+libpl[0])
+
+libpython = sysconfig.get_config_var('LIBPYTHON')
+if libpython:
+    libs.append(libpython)
+libs.extend(sysconfig.get_config_vars("LIBS", "SYSLIBS"))
+print(' '.join(libs))

include/libpy/to_object.h

@@ -142,7 +142,7 @@ struct to_object<std::filesystem::path> {
     static py::owned_ref<> f(const std::filesystem::path& path) {
         py::owned_ref path_str{
             PyUnicode_FromStringAndSize(path.c_str(), path.native().length())};
-#if PY_VERSION_HEX >= 0x03040000
+
         py::owned_ref pathlib(PyImport_ImportModule("pathlib"));
         if (!pathlib) {
             throw py::exception();
@@ -158,9 +158,6 @@ struct to_object<std::filesystem::path> {
             throw py::exception();
         }
         return path_obj;
-#else
-        return path_str;
-#endif
     }
 };
 

tests/test_to_object.cc

@@ -138,19 +138,16 @@ TEST_F(to_object, filesystem_path) {
     std::filesystem::path test_path = "/tmp/";
     py::owned_ref ob = py::to_object(test_path);
     ASSERT_TRUE(ob);
-#if PY_VERSION_HEX >= 0x03040000
+
     py::owned_ref ns = RUN_PYTHON(R"(
         from pathlib import Path
         py_path = Path("/tmp/")
     )");
     ASSERT_TRUE(ns);
 
-    py::owned_ref py_path_ob{PyDict_GetItemString(ns.get(), "py_path")};
+    py::borrowed_ref py_path_ob = PyDict_GetItemString(ns.get(), "py_path");
     ASSERT_TRUE(py_path_ob);
-#else
-    py::owned_ref py_path_ob = py::to_object("/tmp/");
 
-#endif
     int eq = PyObject_RichCompareBool(ob.get(), py_path_ob.get(), Py_EQ);
     EXPECT_EQ(eq, 1);
 }