fix formatting

.flake8

@@ -7,3 +7,6 @@ ignore =
     E712,
     # line break before binary operator
     W503
+per-file-ignores =
+    # flake8 is just plain wrong here, contradicting black
+    .github/generate-job-matrix.py:E225,E231

.github/generate-job-matrix.py

@@ -1,13 +1,11 @@
 import argparse
 import json
-import typing
-import itertools
 import random
-import dataclasses
+import typing
 from types import SimpleNamespace
-from dataclasses import dataclass
 
-from job_matrix import Configuration, Compiler, MatrixElement, CombinationCollector, dataclass_to_json
+from job_matrix import CombinationCollector, Compiler, Configuration, dataclass_to_json
+
 
 def make_gcc_config(version: int) -> Configuration:
     return Configuration(
@@ -24,7 +22,9 @@ def make_gcc_config(version: int) -> Configuration:
     )
 
 
-def make_clang_config(version: int, platform: typing.Literal["x86-64", "arm64"] = "x86-64") -> Configuration:
+def make_clang_config(
+    version: int, platform: typing.Literal["x86-64", "arm64"] = "x86-64"
+) -> Configuration:
     ret = SimpleNamespace(
         name=f"Clang-{version} ({platform})",
         os=None,  # replaced below
@@ -84,10 +84,17 @@ def make_msvc_config(release: str, version: int) -> Configuration:
     return ret
 
 
-configs = {c.name: c for c in [make_gcc_config(ver) for ver in [12, 13, 14]]
-           + [make_clang_config(ver, platform) for ver in [16, 17, 18, 19] for platform in ["x86-64", "arm64"]]
-           + [make_apple_clang_config(ver) for ver in [15]]
-           + [make_msvc_config(release="14.4", version=194)]}
+configs = {
+    c.name: c
+    for c in [make_gcc_config(ver) for ver in [12, 13, 14]]
+    + [
+        make_clang_config(ver, platform)
+        for ver in [16, 17, 18, 19]
+        for platform in ["x86-64", "arm64"]
+    ]
+    + [make_apple_clang_config(ver) for ver in [15]]
+    + [make_msvc_config(release="14.4", version=194)]
+}
 
 full_matrix = dict(
     config=list(configs.values()),
@@ -118,10 +125,18 @@ def main():
         case "all":
             collector.all_combinations()
         case "conan" | "cmake":
-            collector.all_combinations(formatting="std::format", contracts="gsl-lite", build_type="Debug", std=20)
+            collector.all_combinations(
+                formatting="std::format",
+                contracts="gsl-lite",
+                build_type="Debug",
+                std=20,
+            )
             collector.all_combinations(
                 filter=lambda me: not me.config.std_format_support,
-                formatting="fmtlib", contracts="gsl-lite", build_type="Debug", std=20,
+                formatting="fmtlib",
+                contracts="gsl-lite",
+                build_type="Debug",
+                std=20,
             )
             collector.sample_combinations(rgen=rgen, min_samples_per_value=2)
         case "clang-tidy":
@@ -136,24 +151,29 @@ def main():
             raise KeyError(f"Unsupported preset {args.preset!r}")
 
     if not collector.combinations:
-        raise ValueError(f"No combination has been produced")
+        raise ValueError("No combination has been produced")
 
     data = sorted(collector.combinations)
 
     if not args.suppress_output:
-        print(f"::set-output name=matrix::{json.dumps(data, default=dataclass_to_json)}")
+        print(
+            f"::set-output name=matrix::{json.dumps(data, default=dataclass_to_json)}"
+        )
 
     for dbg in args.debug:
         match dbg:
             case "yaml":
                 import yaml
+
                 json_data = json.loads(json.dumps(data, default=dataclass_to_json))
                 print(yaml.safe_dump(json_data))
             case "json":
                 print(json.dumps(data, default=dataclass_to_json, indent=4))
             case "combinations":
                 for e in data:
-                    print(f"{e.config!s:17s}  c++{e.std:2d}  {e.formatting:11s}  {e.contracts:8s}  {e.build_type:8s}")
+                    print(
+                        f"{e.config!s:17s}  c++{e.std:2d}  {e.formatting:11s}  {e.contracts:8s}  {e.build_type:8s}"
+                    )
             case "counts":
                 print(f"Total combinations {len(data)}")
                 for (k, v), n in sorted(collector.per_value_counts.items()):

.github/job_matrix.py

@@ -1,10 +1,7 @@
-import argparse
-import json
-import typing
+import dataclasses
 import itertools
 import random
-import dataclasses
-from types import SimpleNamespace
+import typing
 from dataclasses import dataclass
 
 
@@ -29,6 +26,7 @@ class Configuration:
     def __str__(self):
         return self.name
 
+
 @dataclass(frozen=True, order=True)
 class MatrixElement:
     config: Configuration
@@ -39,21 +37,21 @@ class MatrixElement:
 
 
 def dataclass_to_json(obj):
-    """ Convert dataclasses to something json-serialisable """
+    """Convert dataclasses to something json-serialisable"""
     if dataclasses.is_dataclass(obj):
         return dataclasses.asdict(obj)
     raise TypeError(f"Unknown object of type {type(obj).__name__}")
 
 
 class CombinationCollector:
-    """ Incremental builder of MatrixElements, allowing successive selection of entries.
-    """
+    """Incremental builder of MatrixElements, allowing successive selection of entries."""
 
     def __init__(self, full_matrix: dict[str, list[typing.Any]]):
         self.full_matrix = full_matrix
         self.combinations: set[MatrixElement] = set()
-        self.per_value_counts: dict[tuple[str, typing.Any], int] = {(k, v): 0 for k, options in full_matrix.items() for
-                                                                    v in options}
+        self.per_value_counts: dict[tuple[str, typing.Any], int] = {
+            (k, v): 0 for k, options in full_matrix.items() for v in options
+        }
 
     def _make_submatrix(self, **overrides):
         new_matrix = dict(self.full_matrix)
@@ -64,7 +62,9 @@ class CombinationCollector:
         return new_matrix
 
     def _add_combination(self, e: MatrixElement):
-        if e in self.combinations or (e.formatting == "std::format" and not e.config.std_format_support):
+        if e in self.combinations or (
+            e.formatting == "std::format" and not e.config.std_format_support
+        ):
             return
         self.combinations.add(e)
         # update per_value_counts
@@ -72,8 +72,13 @@ class CombinationCollector:
             idx = (k, v)
             self.per_value_counts[idx] = self.per_value_counts.get(idx, 0) + 1
 
-    def all_combinations(self, *, filter: typing.Callable[[MatrixElement], bool] | None = None, **overrides):
-        """ Adds all combinations in the submatrix defined by `overrides`. """
+    def all_combinations(
+        self,
+        *,
+        filter: typing.Callable[[MatrixElement], bool] | None = None,
+        **overrides,
+    ):
+        """Adds all combinations in the submatrix defined by `overrides`."""
         matrix = self._make_submatrix(**overrides)
         keys = tuple(matrix.keys())
         for combination in itertools.product(*matrix.values()):
@@ -82,9 +87,17 @@ class CombinationCollector:
                 continue
             self._add_combination(cand)
 
-    def sample_combinations(self, *, rgen: random.Random, min_samples_per_value: int = 1,
-                            filter: typing.Callable[[MatrixElement], bool] | None = None, **overrides):
-        """ Adds samples from the submatrix defined by `overrides`, ensuring each individual value appears at least n times. """
+    def sample_combinations(
+        self,
+        *,
+        rgen: random.Random,
+        min_samples_per_value: int = 1,
+        filter: typing.Callable[[MatrixElement], bool] | None = None,
+        **overrides,
+    ):
+        """Adds samples from the submatrix defined by `overrides`,
+        ensuring each individual value appears at least n times.
+        """
         matrix = self._make_submatrix(**overrides)
         missing: dict[tuple[str, typing.Any], int] = {}
         for key, options in matrix.items():
@@ -109,5 +122,3 @@ class CombinationCollector:
                 remaining = min_samples_per_value - self.per_value_counts.get(idx, 0)
                 if remaining > 0:
                     missing[idx] = remaining
-
-

.github/workflows/ci-clang-tidy.yml

@@ -39,6 +39,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
       cancel-in-progress: true
+    runs-on: ubuntu-24.04
     steps:
       - run: echo "Cancelling all previous runs of ${{ github.workflow }}-${{ github.ref }}"
   generate-matrix:

.github/workflows/ci-conan.yml

@@ -38,6 +38,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
       cancel-in-progress: true
+    runs-on: ubuntu-24.04
     steps:
       - run: echo "Cancelling all previous runs of ${{ github.workflow }}-${{ github.ref }}"
   generate-matrix:

.github/workflows/ci-freestanding.yml

@@ -39,6 +39,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
       cancel-in-progress: true
+    runs-on: ubuntu-24.04
     steps:
       - run: echo "Cancelling all previous runs of ${{ github.workflow }}-${{ github.ref }}"
   generate-matrix:

.github/workflows/ci-test-package-cmake.yml

@@ -43,6 +43,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
       cancel-in-progress: true
+    runs-on: ubuntu-24.04
     steps:
       - run: echo "Cancelling all previous runs of ${{ github.workflow }}-${{ github.ref }}"
   generate-matrix: