Merge pull request #83 from ArcanaFramework/set-repr

Truncates TypedSet and SetOf repr to only show 3 paths followed by ellipsis

.github/workflows/ci-cd.yml

@@ -47,7 +47,7 @@ jobs:
     - name: Install Extras Package
       run: python3 -m pip install -e ./extras[test]
     - name: MyPy
-      run: mypy --install-types --non-interactive .
+      run: mypy --install-types --non-interactive --no-warn-unused-ignores .
     - name: Pytest
       run: pytest -vvs --cov fileformats --cov-config .coveragerc --cov-report xml .
     - name: Upload coverage to Codecov

extras/fileformats/extras/application/tests/test_application_serialization.py

@@ -1,5 +1,5 @@
-import sys
-import pytest
+# import sys
+# import pytest
 from fileformats.application import Json, Yaml
 
 
@@ -28,10 +28,10 @@
 """
 
 
-@pytest.mark.xfail(
-    sys.version_info.minor <= 9,
-    reason="upstream Pydra issue with type-checking 'type' objects",
-)
+# @pytest.mark.xfail(
+#     sys.version_info.minor <= 9,
+#     reason="upstream Pydra issue with type-checking 'type' objects",
+# )
 def test_json_to_yaml(work_dir):
     in_file = work_dir / "test.json"
     with open(in_file, "w") as f:
@@ -41,10 +41,10 @@ def test_json_to_yaml(work_dir):
     assert yml.contents == SAMPLE_YAML
 
 
-@pytest.mark.xfail(
-    sys.version_info.minor <= 9,
-    reason="upstream Pydra issue with type-checking 'type' objects",
-)
+# @pytest.mark.xfail(
+#     sys.version_info.minor <= 9,
+#     reason="upstream Pydra issue with type-checking 'type' objects",
+# )
 def test_yaml_to_json(work_dir):
     in_file = work_dir / "test.yaml"
     with open(in_file, "w") as f:

extras/fileformats/extras/image/tests/test_image_converters.py

@@ -1,4 +1,4 @@
-import sys
+# import sys
 import pytest
 from imageio.core.fetching import get_remote_file
 from fileformats.image import Bitmap, Gif, Jpeg, Png, Tiff
@@ -15,25 +15,25 @@ def png() -> Png:
     return Png(get_remote_file("images/chelsea.png"))
 
 
-@pytest.mark.xfail(
-    sys.version_info.minor <= 9,
-    reason="upstream Pydra issue with type-checking 'type' objects",
-)
+# @pytest.mark.xfail(
+#     sys.version_info.minor <= 9,
+#     reason="upstream Pydra issue with type-checking 'type' objects",
+# )
 def test_jpg_to_gif(jpg):
     Gif.convert(jpg)
 
 
-@pytest.mark.xfail(
-    sys.version_info.minor <= 9,
-    reason="upstream Pydra issue with type-checking 'type' objects",
-)
+# @pytest.mark.xfail(
+#     sys.version_info.minor <= 9,
+#     reason="upstream Pydra issue with type-checking 'type' objects",
+# )
 def test_png_to_tiff(png):
     Tiff.convert(png)
 
 
-@pytest.mark.xfail(
-    sys.version_info.minor <= 9,
-    reason="upstream Pydra issue with type-checking 'type' objects",
-)
+# @pytest.mark.xfail(
+#     sys.version_info.minor <= 9,
+#     reason="upstream Pydra issue with type-checking 'type' objects",
+# )
 def test_png_to_bitmap(png):
     Bitmap.convert(png)

fileformats/core/fileset.py

@@ -1737,13 +1737,16 @@ def __init__(
 
     @classproperty
     def type_name(cls) -> str:
-        class_name: str = cls.__name__  # type: ignore
-        assert class_name.endswith("Mock")
-        return class_name[: -len("Mock")]
+        return cls.mocked.type_name
 
     def __bytes_repr__(self, cache: ty.Dict[str, ty.Any]) -> ty.Iterable[bytes]:
         yield from (str(fspath).encode() for fspath in self.fspaths)
 
+    @classproperty
+    def mocked(cls) -> FileSet:
+        """The "true" class that the mocked class is based on"""
+        return next(c for c in cls.__mro__ if not issubclass(c, MockMixin))  # type: ignore[no-any-return, attr-defined]
+
     @classproperty
     def namespace(cls) -> str:
         """The "namespace" the format belongs to under the "fileformats" umbrella

fileformats/core/tests/test_identification.py

@@ -1,6 +1,7 @@
 from collections import Counter
 import itertools
 import typing as ty
+from pathlib import Path
 import pytest
 from fileformats.core import (
     find_matching,
@@ -9,6 +10,7 @@
     from_paths,
     FileSet,
 )
+from fileformats.generic import File, SetOf
 from fileformats.core.exceptions import FormatRecognitionError
 from fileformats.testing import Foo, Bar
 from fileformats.application import Json, Yaml, Zip
@@ -64,6 +66,16 @@ def test_repr():
         assert repr(frmt.mock("/a/path")).startswith(f"{frmt.__name__}(")
 
 
+def test_set_repr_trunc():
+    a = Path("/a/path").absolute()
+    b = Path("/b/path").absolute()
+    c = Path("/c/path").absolute()
+    d = Path("/d/path").absolute()
+    assert (
+        repr(SetOf[File].mock(a, b, c, d)) == f"SetOf[File]('{a}', '{b}', '{c}', ...)"
+    )
+
+
 def test_from_paths(tmp_path):
     filesets = []
     filesets.append(Json.sample(tmp_path, seed=1))

fileformats/generic/set.py

@@ -13,6 +13,18 @@ class TypedSet(FileSet):
 
     content_types: ty.Tuple[ty.Type[FileSet], ...] = ()
 
+    MAX_REPR_PATHS = 3
+
+    def __repr__(self) -> str:
+        paths_repr = (
+            "'"
+            + "', '".join(str(p) for p in sorted(self.fspaths)[: self.MAX_REPR_PATHS])
+            + "'"
+        )
+        if len(self.fspaths) > self.MAX_REPR_PATHS:
+            paths_repr += ", ..."
+        return f"{self.type_name}({paths_repr})"
+
     @cached_property
     def contents(self) -> ty.List[FileSet]:
         contnts = []

fileformats/generic/tests/test_file.py

@@ -1,6 +1,6 @@
 import pytest
 from fileformats.generic import FsObject, File
-from fileformats.testing import Magic, Foo, MyFormatX
+from fileformats.testing import Magic, MagicVersion, Foo, MyFormatX
 
 
 def test_sample_fsobject():
@@ -27,4 +27,4 @@ def test_sample_magic():
     reason="generate_sample_data for WithMagicVersion file types is not implemented yet"
 )
 def test_sample_magic_version():
-    assert isinstance(Magic.sample(), Magic)
+    assert isinstance(MagicVersion.sample(), MagicVersion)