removed __bytes_repr__ implementation from fileset and mock, pydra ca…

…n call byte_chunks directly

fileformats/core/fileset.py

@@ -887,30 +887,6 @@ def hash_files(
             file_hashes[str(path)] = crypto_obj.hexdigest()
         return file_hashes
 
-    def __bytes_repr__(
-        self, cache: ty.Dict[ty.Any, str]  # pylint: disable=unused-argument
-    ) -> ty.Iterable[bytes]:
-        """Provided for compatibility with Pydra's hashing function, return the contents
-        of all the files in the file-set in chunks
-
-        Parameters
-        ----------
-        cache : dict[Any, str]
-            an object passed around by Pydra's hashing function to store cached versions
-            of previously hashed objects, to allow recursive structures
-
-        Yields
-        ------
-        bytes
-            a chunk of bytes of length FILE_CHUNK_LEN_DEFAULT from the contents of all
-            files in the file-set.
-        """
-        cls = type(self)
-        yield f"{cls.__module__}.{cls.__name__}:".encode()
-        for key, chunk_iter in self.byte_chunks():
-            yield (",'" + key + "'=").encode()
-            yield from chunk_iter
-
     @classmethod
     def referenced_types(cls) -> ty.Set[ty.Type[Classifier]]:
         """Returns a flattened list of nested types referenced within the fileset type
@@ -1701,8 +1677,23 @@ def type_name(cls) -> str:
         assert class_name.endswith("Mock")
         return class_name[: -len("Mock")]
 
-    def __bytes_repr__(self, cache: ty.Dict[str, ty.Any]) -> ty.Iterable[bytes]:
-        yield from (str(fspath).encode() for fspath in self.fspaths)
+    def byte_chunks(
+        self,
+        mtime: bool = False,
+        chunk_len=FILE_CHUNK_LEN_DEFAULT,
+        relative_to: ty.Optional[os.PathLike] = None,
+        ignore_hidden_files: bool = False,
+        ignore_hidden_dirs: bool = False,
+    ):
+        if relative_to is None:
+            relative_to = os.path.commonpath(self.fspaths)
+        else:
+            relative_to = str(relative_to)
+        for key, fspath in sorted(
+            ((str(p)[len(relative_to) :], p) for p in self.fspaths),
+            key=itemgetter(0),
+        ):
+            yield (key, iter([key.encode()]))  # empty iterator as files don't exist
 
     @classproperty
     def namespace(cls) -> str:

fileformats/core/tests/test_utils.py

@@ -4,8 +4,9 @@
 import shutil
 import time
 import pytest
-from fileformats.core import FileSet
-from fileformats.generic import File, Directory, FsObject
+from fileformats.core import FileSet, MockMixin
+from fileformats.generic import File, Directory, FsObject, SetOf
+from fileformats.text import TextFile
 from fileformats.core.mixin import WithSeparateHeader
 from fileformats.core.exceptions import UnsatisfiableCopyModeError
 from fileformats.core.utils import mtime_cached_property
@@ -54,6 +55,11 @@ def fsobject(luigi_file, bowser_dir, request):
         assert False
 
 
+@pytest.fixture
+def mock_fileset():
+    return SetOf[TextFile].mock("/path/to/a/mock", "/path/to/another/mock")
+
+
 @pytest.fixture
 def dest_dir(work_dir):
     dest_dir = work_dir / "new-dir"
@@ -407,3 +413,10 @@ def test_mtime_cached_property_force_clear(tmp_path: Path):
     file.flag = 1
     MtimeTestFile.cached_prop.clear(file)
     assert file.cached_prop == 1
+
+
+def test_hash_mock_files(mock_fileset: MockMixin, work_dir: Path, dest_dir: Path):
+    file_hashes = mock_fileset.hash_files(relative_to="")
+    assert sorted(Path(p) for p in file_hashes) == sorted(
+        p for p in mock_fileset.fspaths
+    )