[CustomDevice] fix custom cpu unittests failure when multiple python exist in CI (#52923)

* [CustomDevice] fix custom cpu unittests failure when multiple python exist in CI

* Update test_custom_op_setup.py

test/custom_runtime/CMakeLists.txt

@@ -19,10 +19,12 @@ if(WITH_CUSTOM_DEVICE AND NOT WITH_GPU)
     START_BASH
     test_fleet_launch_custom_device.sh
     ENVS
+    PYTHONPATH=""
     FLAGS_allocator_strategy=naive_best_fit
     PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR}
     PLUGIN_URL=${PLUGIN_URL}
-    PLUGIN_TAG=${PLUGIN_TAG})
+    PLUGIN_TAG=${PLUGIN_TAG}
+    PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE})
 
   set_tests_properties(test_custom_cpu_plugin PROPERTIES TIMEOUT 120)
   set_tests_properties(test_custom_cpu_profiler_plugin PROPERTIES TIMEOUT 120)

test/custom_runtime/test_collective_process_group_xccl.py

@@ -15,6 +15,7 @@
 import copy
 import os
 import subprocess
+import sys
 import tempfile
 import time
 import unittest
@@ -154,8 +155,11 @@ class TestProcessGroup(TestMultipleCustomCPU):
             && git fetch origin \
             && git checkout {} -b dev \
             && cd backends/custom_cpu \
-            && mkdir build && cd build && cmake .. && make -j8'.format(
-            self.temp_dir.name, os.getenv('PLUGIN_URL'), os.getenv('PLUGIN_TAG')
+            && mkdir build && cd build && cmake .. -DPython_EXECUTABLE={} && make -j8'.format(
+            self.temp_dir.name,
+            os.getenv('PLUGIN_URL'),
+            os.getenv('PLUGIN_TAG'),
+            sys.executable,
         )
         os.system(cmd)
 

test/custom_runtime/test_custom_cpu_plugin.py

@@ -31,8 +31,11 @@ class TestCustomCPUPlugin(unittest.TestCase):
             && git fetch origin \
             && git checkout {} -b dev \
             && cd backends/custom_cpu \
-            && mkdir build && cd build && cmake .. && make -j8'.format(
-            self.temp_dir.name, os.getenv('PLUGIN_URL'), os.getenv('PLUGIN_TAG')
+            && mkdir build && cd build && cmake .. -DPython_EXECUTABLE={} && make -j8'.format(
+            self.temp_dir.name,
+            os.getenv('PLUGIN_URL'),
+            os.getenv('PLUGIN_TAG'),
+            sys.executable,
         )
         os.system(cmd)
 

test/custom_runtime/test_custom_cpu_profiler_plugin.py

@@ -29,8 +29,11 @@ class TestCustomCPUProfilerPlugin(unittest.TestCase):
             && git fetch origin \
             && git checkout {} -b dev \
             && cd backends/custom_cpu \
-            && mkdir build && cd build && cmake .. && make -j8'.format(
-            self.temp_dir.name, os.getenv('PLUGIN_URL'), os.getenv('PLUGIN_TAG')
+            && mkdir build && cd build && cmake .. -DPython_EXECUTABLE={} && make -j8'.format(
+            self.temp_dir.name,
+            os.getenv('PLUGIN_URL'),
+            os.getenv('PLUGIN_TAG'),
+            sys.executable,
         )
         os.system(cmd)
 

test/custom_runtime/test_custom_cpu_to_static.py

@@ -112,8 +112,11 @@ class TestCustomCPUPlugin(unittest.TestCase):
             && git fetch origin \
             && git checkout {} -b dev \
             && cd backends/custom_cpu \
-            && mkdir build && cd build && cmake .. && make -j8'.format(
-            self.temp_dir.name, os.getenv('PLUGIN_URL'), os.getenv('PLUGIN_TAG')
+            && mkdir build && cd build && cmake .. -DPython_EXECUTABLE={} && make -j8'.format(
+            self.temp_dir.name,
+            os.getenv('PLUGIN_URL'),
+            os.getenv('PLUGIN_TAG'),
+            sys.executable,
         )
         os.system(cmd)
 

test/custom_runtime/test_custom_op_setup.py

@@ -109,11 +109,12 @@ class TestNewCustomOpSetUpInstall(unittest.TestCase):
             && git fetch origin \
             && git checkout {} -b dev \
             && cd backends/custom_cpu \
-            && mkdir build && cd build && cmake .. && make -j8 \
+            && mkdir build && cd build && cmake .. -DPython_EXECUTABLE={} && make -j8 \
             && cd {}'.format(
             self.temp_dir.name,
             os.getenv('PLUGIN_URL'),
             os.getenv('PLUGIN_TAG'),
+            sys.executable,
             self.cur_dir,
         )
         os.system(cmd)

test/custom_runtime/test_fleet_launch_custom_device.sh

@@ -23,7 +23,7 @@ pushd ${temp_dir} \
 && git fetch origin \
 && git checkout ${PLUGIN_TAG} -b dev \
 && pushd backends/custom_cpu \
-&& mkdir build && pushd build && cmake .. && make -j8 && popd && popd && popd && popd
+&& mkdir build && pushd build && cmake .. -DPython_EXECUTABLE=${PYTHON_EXECUTABLE} && make -j8 && popd && popd && popd && popd
 
 echo "begin test use custom_cpu"