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Ensure that global Py_UnbufferedStdioFlag is set when PYTHONUNBUFFERED=1

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This commit is contained in:
Richard Berger
2021-03-23 19:57:45 -04:00
parent 6b24006d43
commit 359a369573
2 changed files with 11 additions and 1 deletions
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10
src/PYTHON/python_impl.cpp
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@ -55,6 +55,16 @@ PythonImpl::PythonImpl(LAMMPS *lmp) : Pointers(lmp)
nfunc = 0; nfunc = 0;
pfuncs = nullptr; pfuncs = nullptr;
// check for PYTHONUNBUFFERED environment variable
const char * PYTHONUNBUFFERED = getenv("PYTHONUNBUFFERED");
if (PYTHONUNBUFFERED != nullptr && strcmp(PYTHONUNBUFFERED, "1") == 0) {
// Python Global configuration variable
// Force the stdout and stderr streams to be unbuffered.
Py_UnbufferedStdioFlag = 1;
}
// one-time initialization of Python interpreter // one-time initialization of Python interpreter
// pyMain stores pointer to main module // pyMain stores pointer to main module
external_interpreter = Py_IsInitialized(); external_interpreter = Py_IsInitialized();

2
unittest/python/CMakeLists.txt
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@ -8,7 +8,7 @@ add_executable(test_python_package test_python_package.cpp)
target_link_libraries(test_python_package PRIVATE lammps GTest::GMock GTest::GTest) target_link_libraries(test_python_package PRIVATE lammps GTest::GMock GTest::GTest)
target_compile_definitions(test_python_package PRIVATE -DTEST_INPUT_FOLDER=${TEST_INPUT_FOLDER}) target_compile_definitions(test_python_package PRIVATE -DTEST_INPUT_FOLDER=${TEST_INPUT_FOLDER})
add_test(NAME PythonPackage COMMAND test_python_package WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) add_test(NAME PythonPackage COMMAND test_python_package WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
set_tests_properties(PythonPackage PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}:${LAMMPS_PYTHON_DIR}:$ENV{PYTHONPATH}") set_tests_properties(PythonPackage PROPERTIES ENVIRONMENT "LAMMPS_POTENTIALS=${LAMMPS_POTENTIALS_DIR};PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}:${LAMMPS_PYTHON_DIR}:$ENV{PYTHONPATH};PYTHONUNBUFFERED=1")
# we must have shared libraries enabled for testing the python module # we must have shared libraries enabled for testing the python module
if(NOT BUILD_SHARED_LIBS) if(NOT BUILD_SHARED_LIBS)