remove make pylib-copy command (#249)

Fix #216
Remove `make pylib-copy`

.azure-pipelines/multi-nodes-test.yml

@@ -28,7 +28,6 @@ jobs:
         mkdir build && cd build
         cmake -DCMAKE_BUILD_TYPE=Release -DBYPASS_GPU_CHECK=ON -DUSE_CUDA=ON ..
         make -j
-        make pylib-copy
       workingDirectory: '$(System.DefaultWorkingDirectory)'
 
   - task: DownloadSecureFile@1

.azure-pipelines/ut.yml

@@ -77,6 +77,5 @@ jobs:
       script: |
         set -e
         export PATH=/usr/local/mpi/bin:$PATH
-        cd build && make pylib-copy
-        mpirun -tag-output -x MSCCLPP_HOME=$(System.DefaultWorkingDirectory) -np 8 python3 -m pytest ../python/test/test_mscclpp.py -x
+        mpirun -tag-output -x MSCCLPP_HOME=$(System.DefaultWorkingDirectory) -np 8 python3 -m pytest ./python/test/test_mscclpp.py -x
       workingDirectory: '$(System.DefaultWorkingDirectory)'

.github/workflows/ut-backup.yml

@@ -49,5 +49,4 @@ jobs:
       - name: PyTests
         run: |
           set -e
-          cd build && make pylib-copy
-          mpirun --allow-run-as-root -tag-output -np 8 $(which pytest) ../python/test/test_mscclpp.py -x
+          mpirun --allow-run-as-root -tag-output -np 8 $(which pytest) ./python/test/test_mscclpp.py -x

python/CMakeLists.txt

@@ -4,13 +4,12 @@
 add_subdirectory(mscclpp)
 add_subdirectory(test)
 
-add_custom_target(pylib-copy)
-add_custom_command(TARGET pylib-copy POST_BUILD
+add_custom_target(pytest_lib_copy ALL
     COMMAND ${CMAKE_COMMAND} -E copy_if_different
         ${CMAKE_CURRENT_BINARY_DIR}/mscclpp/_mscclpp.*.so
         ${CMAKE_CURRENT_SOURCE_DIR}/mscclpp
     COMMAND ${CMAKE_COMMAND} -E copy_if_different
         ${CMAKE_CURRENT_BINARY_DIR}/test/_ext.*.so
         ${CMAKE_CURRENT_SOURCE_DIR}/test/_cpp
-    COMMAND ${CMAKE_COMMAND} -E echo "Copy python libraries"
+    DEPENDS mscclpp_py mscclpp_py_test
 )