Allow null matrix entries.

src/rapids_dependency_file_generator/_rapids_dependency_file_generator.py

@@ -243,7 +243,7 @@ def get_filename(file_type: _config.Output, file_key: str, matrix_combo: dict[st
     file_type_prefix = ""
     file_ext = ""
     file_name_prefix = file_key
-    suffix = "_".join([f"{k}-{v}" for k, v in matrix_combo.items()])
+    suffix = "_".join([f"{k}-{v}" for k, v in matrix_combo.items() if v])
     if file_type == _config.Output.CONDA:
         file_ext = ".yaml"
     elif file_type == _config.Output.REQUIREMENTS:
@@ -322,7 +322,7 @@ def should_use_specific_entry(matrix_combo: dict[str, str], specific_entry_matri
         `matrix_combo` and False otherwise.
     """
     return all(
-        specific_key in matrix_combo and fnmatch.fnmatch(matrix_combo[specific_key], specific_value)
+        matrix_combo.get(specific_key) and fnmatch.fnmatch(matrix_combo[specific_key], specific_value)
         for specific_key, specific_value in specific_entry_matrix.items()
     )
 

src/rapids_dependency_file_generator/schema.json

@@ -87,7 +87,10 @@
             "patternProperties": {
                 ".*": {
                     "type": "array",
-                    "items": {"type": "string"}
+                    "items": {"oneOf": [
+                        {"type": "string"},
+                        {"type": "null"}
+                    ]}
                 }
             }
         },

tests/examples/matrix-null-item/dependencies.yaml

@@ -0,0 +1,59 @@
+files:
+  dev:
+    output: conda
+    conda_dir: output/actual
+    matrix:
+      cuda: ["11.5"]
+      arch: [x86_64, arm64]
+      py: ["3.8", null]
+    includes:
+      - build
+channels:
+  - rapidsai
+  - conda-forge
+dependencies:
+  build:
+    common:
+      - output_types: [conda]
+        packages:
+          - clang-tools=11.1.0
+          - spdlog>=1.8.5,<1.9
+    specific:
+      - output_types: [conda]
+        matrices:
+          - matrix:
+              cuda: "11.5"
+            packages:
+              - cudatoolkit=11.5
+          - matrix:
+              cuda: "11.6"
+            packages:
+              - cudatoolkit=11.6
+      - output_types: [conda]
+        matrices:
+          - matrix:
+              arch: x86_64
+              py: "3.9"
+            packages:
+              - some_amd64_39_build_dep
+          - matrix:
+            packages:
+      - output_types: [conda]
+        matrices:
+          - matrix:
+              arch: arm64
+              cuda: "11.5"
+              py: "3.8"
+            packages:
+              - super_specific_dep
+          - matrix:
+            packages:
+      - output_types: [conda]
+        matrices:
+          - matrix:
+              cuda: "11.5"
+              py: "3.8"
+            packages:
+              - some_115_38_build_dep
+          - matrix:
+            packages:

tests/examples/matrix-null-item/output/expected/dev_cuda-115_arch-arm64.yaml

@@ -0,0 +1,10 @@
+# This file is generated by `rapids-dependency-file-generator`.
+# To make changes, edit ../../dependencies.yaml and run `rapids-dependency-file-generator`.
+channels:
+- rapidsai
+- conda-forge
+dependencies:
+- clang-tools=11.1.0
+- cudatoolkit=11.5
+- spdlog>=1.8.5,<1.9
+name: dev_cuda-115_arch-arm64

tests/examples/matrix-null-item/output/expected/dev_cuda-115_arch-arm64_py-38.yaml

@@ -0,0 +1,12 @@
+# This file is generated by `rapids-dependency-file-generator`.
+# To make changes, edit ../../dependencies.yaml and run `rapids-dependency-file-generator`.
+channels:
+- rapidsai
+- conda-forge
+dependencies:
+- clang-tools=11.1.0
+- cudatoolkit=11.5
+- some_115_38_build_dep
+- spdlog>=1.8.5,<1.9
+- super_specific_dep
+name: dev_cuda-115_arch-arm64_py-38

tests/examples/matrix-null-item/output/expected/dev_cuda-115_arch-x86_64.yaml

@@ -0,0 +1,10 @@
+# This file is generated by `rapids-dependency-file-generator`.
+# To make changes, edit ../../dependencies.yaml and run `rapids-dependency-file-generator`.
+channels:
+- rapidsai
+- conda-forge
+dependencies:
+- clang-tools=11.1.0
+- cudatoolkit=11.5
+- spdlog>=1.8.5,<1.9
+name: dev_cuda-115_arch-x86_64

tests/examples/matrix-null-item/output/expected/dev_cuda-115_arch-x86_64_py-38.yaml

@@ -0,0 +1,11 @@
+# This file is generated by `rapids-dependency-file-generator`.
+# To make changes, edit ../../dependencies.yaml and run `rapids-dependency-file-generator`.
+channels:
+- rapidsai
+- conda-forge
+dependencies:
+- clang-tools=11.1.0
+- cudatoolkit=11.5
+- some_115_38_build_dep
+- spdlog>=1.8.5,<1.9
+name: dev_cuda-115_arch-x86_64_py-38