fix: Address (#648) Missing FileMode causes an AttributeError in py-r…

…attler and fix missing properties (#651)

py-rattler/rattler/package/paths_json.py

@@ -452,7 +452,7 @@ class FileMode:
     The file mode of the entry.
     """
 
-    _inner: PyFileMode
+    _inner: PyFileMode | None = None
 
     @property
     def binary(self) -> bool:
@@ -472,7 +472,7 @@ def binary(self) -> bool:
         >>>
         ```
         """
-        return self._inner.binary
+        return self._inner.binary if self._inner else False
 
     @property
     def text(self) -> bool:
@@ -492,7 +492,25 @@ def text(self) -> bool:
         >>>
         ```
         """
-        return self._inner.text
+        return self._inner.text if self._inner else False
+
+    @property
+    def unknown(self) -> bool:
+        """
+        The file mode is unknown/unspecified
+        Examples
+        --------
+        ```python
+        >>> paths_json = PathsJson.from_package_archive(
+        ...     "../test-data/conda-22.9.0-py38haa244fe_2.tar.bz2"
+        ... )
+        >>> entry = paths_json.paths[-1]
+        >>> file_mode = entry.prefix_placeholder.file_mode
+        >>> file_mode.unknown
+        False
+        >>>
+        """
+        return self._inner is None
 
     @classmethod
     def _from_py_file_mode(cls, py_file_mode: PyFileMode) -> FileMode:

py-rattler/tests/conftest.py

@@ -9,14 +9,17 @@
 def gateway() -> Gateway:
     return Gateway()
 
+
 @pytest.fixture
 def test_data_dir() -> str:
     return os.path.normpath(os.path.join(os.path.dirname(__file__), "../../test-data"))
 
+
 @pytest.fixture
 def conda_forge_channel(test_data_dir: str) -> Channel:
     return Channel(os.path.join(test_data_dir, "channels/conda-forge"))
 
+
 @pytest.fixture
 def pytorch_channel(test_data_dir: str) -> Channel:
     return Channel(os.path.join(test_data_dir, "channels/pytorch"))

py-rattler/tests/unit/test_fetch_repo_data.py

@@ -12,9 +12,7 @@
 def serve_repo_data(xprocess) -> None:
     port, repo_name = 8912, "test-repo"
 
-    test_data_dir = os.path.join(
-        os.path.dirname(__file__), "../../../test-data/test-server"
-    )
+    test_data_dir = os.path.join(os.path.dirname(__file__), "../../../test-data/test-server")
 
     class Starter(ProcessStarter):
         # startup pattern
@@ -70,7 +68,4 @@ async def test_fetch_repo_data(
     assert repodata_record.channel == f"http://localhost:{port}/{repo}/"
     assert repodata_record.file_name == "test-package-0.1-0.tar.bz2"
     assert repodata_record.name == PackageName("test-package")
-    assert (
-        repodata_record.url
-        == f"http://localhost:{port}/test-repo/noarch/test-package-0.1-0.tar.bz2"
-    )
+    assert repodata_record.url == f"http://localhost:{port}/test-repo/noarch/test-package-0.1-0.tar.bz2"

py-rattler/tests/unit/test_prefix_record.py

@@ -31,9 +31,13 @@ def test_load_prefix_record() -> None:
             paths_with_placeholder += 1
             assert isinstance(entry.file_mode, FileMode)
             assert entry.file_mode.text or entry.file_mode.binary
-            assert entry.sha256_in_prefix is not None
-        assert entry.sha256 is not None
+            assert entry.sha256_in_prefix.hex() is not None
+        else:
+            assert entry.file_mode.unknown
+            assert entry.sha256.hex() is not None
         assert entry.size_in_bytes > 0
 
         # check that it implements os.PathLike
         isinstance(entry, os.PathLike)
+
+    assert paths_with_placeholder == 3

py-rattler/tests/unit/test_solver.py

@@ -3,9 +3,12 @@
 from rattler import (
     solve,
     ChannelPriority,
-    RepoDataRecord, Channel, Gateway,
+    RepoDataRecord,
+    Channel,
+    Gateway,
 )
 
+
 @pytest.mark.asyncio
 async def test_solve(gateway: Gateway, conda_forge_channel: Channel) -> None:
     solved_data = await solve(
@@ -21,7 +24,9 @@ async def test_solve(gateway: Gateway, conda_forge_channel: Channel) -> None:
 
 
 @pytest.mark.asyncio
-async def test_solve_channel_priority_disabled(gateway: Gateway, pytorch_channel: Channel, conda_forge_channel: Channel) -> None:
+async def test_solve_channel_priority_disabled(
+    gateway: Gateway, pytorch_channel: Channel, conda_forge_channel: Channel
+) -> None:
     solved_data = await solve(
         [conda_forge_channel, pytorch_channel],
         ["linux-64"],
@@ -32,5 +37,8 @@ async def test_solve_channel_priority_disabled(gateway: Gateway, pytorch_channel
 
     assert isinstance(solved_data, list)
     assert isinstance(solved_data[0], RepoDataRecord)
-    assert list(filter(lambda r: r.file_name.startswith("pytorch-cpu-0.4.1-py36_cpu_1"), solved_data))[0].channel == pytorch_channel.base_url
+    assert (
+        list(filter(lambda r: r.file_name.startswith("pytorch-cpu-0.4.1-py36_cpu_1"), solved_data))[0].channel
+        == pytorch_channel.base_url
+    )
     assert len(solved_data) == 32