Release/v0.58.0

tests/test_prebuild_kernels.py

@@ -1,14 +1,13 @@
 # copyright ################################# #
-# This file is part of the Xobjects Package.  #
-# Copyright (c) CERN, 2022.                   #
+# This file is part of the Xtrack Package.    #
+# Copyright (c) CERN, 2024.                   #
 # ########################################### #
-import json
 
 import cffi
 
 import xobjects as xo
 import xtrack as xt
-from xtrack.prebuild_kernels import regenerate_kernels
+from xsuite.prebuild_kernels import regenerate_kernels
 
 
 def test_prebuild_kernels(mocker, tmp_path, temp_context_default_func, capsys):
@@ -43,15 +42,17 @@ def test_prebuild_kernels(mocker, tmp_path, temp_context_default_func, capsys):
         }),
     ]
 
-    patch_defs = 'xtrack.prebuilt_kernels.kernel_definitions.kernel_definitions'
+    # Override the definitions with the temporary ones
+    patch_defs = 'xsuite.kernel_definitions.kernel_definitions'
     mocker.patch(patch_defs, kernel_definitions)
-
-    mocker.patch('xtrack.prebuild_kernels.XT_PREBUILT_KERNELS_LOCATION',
+    # We need to change the default location so that loading the kernels works
+    mocker.patch('xsuite.prebuild_kernels.XSK_PREBUILT_KERNELS_LOCATION',
+                 tmp_path)
+    mocker.patch('xsuite.XSK_PREBUILT_KERNELS_LOCATION',
                  tmp_path)
-    mocker.patch('xtrack.tracker.XT_PREBUILT_KERNELS_LOCATION', tmp_path)
 
     # Try regenerating the kernels
-    regenerate_kernels()
+    regenerate_kernels(location=tmp_path)
 
     # Check if the expected files were created
     so_file0, = tmp_path.glob('000_test_module.*.so')
@@ -103,17 +104,17 @@ def test_per_element_prebuild_kernels(mocker, tmp_path, temp_context_default_fun
         }),
     ]
 
-    patch_defs = 'xtrack.prebuilt_kernels.kernel_definitions.kernel_definitions'
+    # Override the definitions with the temporary ones
+    patch_defs = 'xsuite.kernel_definitions.kernel_definitions'
     mocker.patch(patch_defs, kernel_definitions)
-
-    mocker.patch('xtrack.prebuild_kernels.XT_PREBUILT_KERNELS_LOCATION',
+    # We need to change the default location so that loading the kernels works
+    mocker.patch('xsuite.prebuild_kernels.XSK_PREBUILT_KERNELS_LOCATION',
+                 tmp_path)
+    mocker.patch('xsuite.XSK_PREBUILT_KERNELS_LOCATION',
                  tmp_path)
-    mocker.patch('xtrack.tracker.XT_PREBUILT_KERNELS_LOCATION', tmp_path)
-    mocker.patch('xtrack.base_element.XT_PREBUILT_KERNELS_LOCATION', tmp_path)
-    mocker.patch('xtrack.particles.particles.XT_PREBUILT_KERNELS_LOCATION', tmp_path)
 
     # Try regenerating the kernels
-    regenerate_kernels()
+    regenerate_kernels(location=tmp_path)
 
     # Check if the expected files were created
     so_file_exists = False

xtrack/base_element.py

@@ -11,7 +11,6 @@
 from xobjects.general import Print
 
 from xobjects.hybrid_class import _build_xofields_dict
-from xtrack.prebuild_kernels import XT_PREBUILT_KERNELS_LOCATION
 
 from .general import _pkg_root
 from .internal_record import RecordIdentifier, RecordIndex, generate_get_record
@@ -455,23 +454,31 @@ def compile_kernels(self, extra_classes=(), *args, **kwargs):
         cls = type(self)
 
         if context.allow_prebuilt_kernels:
-            from xtrack.prebuild_kernels import get_suitable_kernel
             # Default config is empty (all flags default to not defined, which
             # enables most behaviours). In the future this has to be looked at
             # whenever a new flag is needed.
             _default_config = {}
             _print_state = Print.suppress
             Print.suppress = True
             classes = (cls._XoStruct,) + tuple(extra_classes)
-            kernel_info = get_suitable_kernel(
-                _default_config, classes
-            )
+            try:
+                from xsuite import (
+                    get_suitable_kernel,
+                    XSK_PREBUILT_KERNELS_LOCATION,
+                )
+            except ImportError:
+                kernel_info = None
+            else:
+                kernel_info = get_suitable_kernel(
+                    _default_config, classes
+                )
+
             Print.suppress = _print_state
             if kernel_info:
                 module_name, _ = kernel_info
                 kernels = context.kernels_from_file(
                     module_name=module_name,
-                    containing_dir=XT_PREBUILT_KERNELS_LOCATION,
+                    containing_dir=XSK_PREBUILT_KERNELS_LOCATION,
                     kernel_descriptions=self._kernels,
                 )
                 context.kernels.update(kernels)

xtrack/monitors/__init__.py

@@ -4,3 +4,5 @@
 from .beam_position_monitor import *
 from .beam_size_monitor import *
 from .beam_profile_monitor import *
+
+monitor_classes = tuple(v for v in globals().values() if isinstance(v, type) and issubclass(v, BeamElement))

xtrack/multisetter/multisetter.py

@@ -221,6 +221,29 @@ def set_values(self, values):
         self._set_kernel(data=self, buffer=self._tracker_buffer.buffer,
                input=xt.BeamElement._arr2ctx(self, values))
 
+    def compile_kernels(self, only_if_needed=True):
+        context = self._buffer.context
+        if context.allow_prebuilt_kernels and only_if_needed:
+            try:
+                from xsuite import (
+                    get_suitable_kernel,
+                    XSK_PREBUILT_KERNELS_LOCATION,
+                )
+                kernel_info = get_suitable_kernel({}, ())
+            except ImportError:
+                kernel_info = None
+
+            if kernel_info:
+                module_name, _ = kernel_info
+                kernels = context.kernels_from_file(
+                    module_name=module_name,
+                    containing_dir=XSK_PREBUILT_KERNELS_LOCATION,
+                    kernel_descriptions=self._kernels,
+                )
+                context.kernels.update(kernels)
+
+        super().compile_kernels(only_if_needed=only_if_needed)
+
 
 def _extract_offset(obj, field_name, index, dtype, xodtype):
 

xtrack/particles/particles.py

@@ -13,7 +13,6 @@
 import xobjects as xo
 from xobjects.general import Print
 from xobjects import BypassLinked
-from xtrack.prebuild_kernels import XT_PREBUILT_KERNELS_LOCATION
 
 from .constants import PROTON_MASS_EV
 
@@ -1006,16 +1005,23 @@ def _init_random_number_generator(self, seeds=None):
         """
         context = self._buffer.context
         if context.allow_prebuilt_kernels:
-            from xtrack.prebuild_kernels import get_suitable_kernel
             _print_state = Print.suppress
             Print.suppress = True
-            kernel_info = get_suitable_kernel({}, (self.__class__._XoStruct,))
+            try:
+                from xsuite import (
+                    get_suitable_kernel,
+                    XSK_PREBUILT_KERNELS_LOCATION,
+                )
+                kernel_info = get_suitable_kernel({}, ())
+            except ImportError:
+                kernel_info = None
+
             Print.suppress = _print_state
             if kernel_info:
                 module_name, _ = kernel_info
                 kernels = context.kernels_from_file(
                     module_name=module_name,
-                    containing_dir=XT_PREBUILT_KERNELS_LOCATION,
+                    containing_dir=XSK_PREBUILT_KERNELS_LOCATION,
                     kernel_descriptions=self._kernels,
                 )
                 context.kernels.update(kernels)