hooks: update triton hook for compatibility with triton >= 3.0.0

Update `triton` hook to collect backend-specific modules and data
files from `triton.backends` sub-package that was introduced in
triton v3.0.0.

_pyinstaller_hooks_contrib/stdhooks/hook-triton.py

@@ -10,7 +10,10 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # ---------------------------------------------------
 
-from PyInstaller.utils.hooks import collect_data_files, collect_dynamic_libs
+from PyInstaller.utils.hooks import collect_data_files, collect_dynamic_libs, collect_submodules, is_module_satisfies
+
+hiddenimports = []
+datas = []
 
 # Ensure that triton/_C/libtriton.so is collected
 binaries = collect_dynamic_libs('triton')
@@ -26,7 +29,19 @@
     'triton.language': 'py',
 }
 
-# Collect ptxas compiler files from triton/third_party/cuda directory. Strictly speaking, the ptxas executable from bin
-# directory should be collected as a binary, but in this case, it makes no difference (plus, PyInstaller >= 6.0 has
-# automatic binary-vs-data reclassification).
-datas = collect_data_files('triton.third_party.cuda')
+# triton 3.0.0 introduced `triton.backends` sub-package with backend-specific files.
+if is_module_satisfies('triton >= 3.0.0'):
+    # Collect backend sub-modules/packages.
+    hiddenimports += collect_submodules('triton.backends')
+
+    # At the time of writing (triton v3.1.0), `triton.backends.amd` is a namespace package, and is not captured by the
+    # above `collect_submodules` call.
+    hiddenimports += collect_submodules('triton.backends.amd')
+
+    # Collect ptxas compiler files from `triton/backends/nvidia`, and the HIP/ROCm files from `triton/backends/amd`.
+    datas += collect_data_files('triton.backends')
+else:
+    # Collect ptxas compiler files from triton/third_party/cuda directory. Strictly speaking, the ptxas executable from
+    # bin directory should be collected as a binary, but in this case, it makes no difference (plus, PyInstaller >= 6.0
+    # has automatic binary-vs-data reclassification).
+    datas += collect_data_files('triton.third_party.cuda')

news/848.update.rst

@@ -0,0 +1,3 @@
+Update ``triton`` hook for compatibility with ``triton`` >= 3.0.0; the
+hook should now collect backend-specific modules and data files from
+``triton.backends``.

tests/test_deep_learning.py

@@ -12,7 +12,8 @@
 
 import pytest
 
-from PyInstaller.utils.tests import importorskip
+from PyInstaller import isolated
+from PyInstaller.utils.tests import importorskip, requires
 
 
 # Run the tests in onedir mode only
@@ -490,3 +491,34 @@ def test_sam2(pyi_builder):
 
         print(predictor)
     """)
+
+
+# Check that backends are properly collected with triton >= 3.0.0
+@requires('triton >= 3.0.0')
+def test_triton_backends(pyi_builder, tmp_path):
+    # Get the list of backends in unfrozen python
+    @isolated.decorate
+    def _get_triton_backends():
+        import triton.backends
+        return sorted(list(triton.backends.backends.keys()))
+
+    backends_unfrozen = _get_triton_backends()
+    print(f"Unfrozen backends: {backends_unfrozen}")
+
+    # Obtain list of backends in frozen application.
+    output_file = tmp_path / "output.txt"
+
+    pyi_builder.test_source("""
+        import sys
+        import triton.backends
+
+        with open(sys.argv[1], 'w') as fp:
+            for backend_name in triton.backends.backends.keys():
+                print(f"{backend_name}", file=fp)
+    """, app_args=[str(output_file)])
+
+    with open(output_file, "r") as fp:
+        backends_frozen = sorted(line.strip() for line in fp)
+    print(f"Frozen backends: {backends_frozen}")
+
+    assert backends_frozen == backends_unfrozen