apacheGH-39006: [Python] Extract libparquet requirements out of libar…

…row_python.so to new libarrow_python_parquet_encryption.so

python/CMakeLists.txt

@@ -332,22 +332,6 @@ if(PYARROW_BUILD_PARQUET OR PYARROW_BUILD_PARQUET_ENCRYPTION)
  find_package(Parquet REQUIRED)
 endif()
 
-if(PYARROW_BUILD_PARQUET_ENCRYPTION)
- if(PARQUET_REQUIRE_ENCRYPTION)
- list(APPEND PYARROW_CPP_SRCS ${PYARROW_CPP_SOURCE_DIR}/parquet_encryption.cc)
- if(ARROW_BUILD_SHARED)
- list(APPEND PYARROW_CPP_LINK_LIBS Parquet::parquet_shared)
- else()
- list(APPEND PYARROW_CPP_LINK_LIBS Parquet::parquet_static)
- endif()
- message(STATUS "Parquet Encryption Enabled")
- else()
- message(FATAL_ERROR "You must build Arrow C++ with PARQUET_REQUIRE_ENCRYPTION=ON")
- endif()
-else()
- message(STATUS "Parquet Encryption is NOT Enabled")
-endif()
-
 if(PYARROW_BUILD_HDFS)
  if(NOT ARROW_HDFS)
  message(FATAL_ERROR "You must build Arrow C++ with ARROW_HDFS=ON")
@@ -391,6 +375,29 @@ install(TARGETS arrow_python
  LIBRARY DESTINATION .
  RUNTIME DESTINATION .)
 
+set(PYARROW_CPP_ENCRYPTION_SRCS ${PYARROW_CPP_SOURCE_DIR}/parquet_encryption.cc)
+if(NOT PYARROW_BUILD_PARQUET_ENCRYPTION)
+ message(STATUS "Parquet Encryption is NOT Enabled")
+else()
+ if(PARQUET_REQUIRE_ENCRYPTION)
+ if(ARROW_BUILD_SHARED)
+ set(PYARROW_CPP_ENCRYPTION_LINK_LIBS Parquet::parquet_shared)
+ else()
+ set(PYARROW_CPP_ENCRYPTION_LINK_LIBS Parquet::parquet_static)
+ endif()
+ add_library(arrow_python_parquet_encryption SHARED ${PYARROW_CPP_ENCRYPTION_SRCS})
+ target_link_libraries(arrow_python_parquet_encryption
+ PUBLIC arrow_python ${PYARROW_CPP_ENCRYPTION_LINK_LIBS})
+ install(TARGETS arrow_python_parquet_encryption
+ ARCHIVE DESTINATION .
+ LIBRARY DESTINATION .
+ RUNTIME DESTINATION .)
+ message(STATUS "Parquet Encryption Enabled")
+ else()
+ message(FATAL_ERROR "You must build Arrow C++ with PARQUET_REQUIRE_ENCRYPTION=ON")
+ endif()
+endif()
+
 set(PYARROW_CPP_FLIGHT_SRCS ${PYARROW_CPP_SOURCE_DIR}/flight.cc)
 if(PYARROW_BUILD_FLIGHT)
  if(NOT ARROW_FLIGHT)