Address a handful of mypy warnings.

src/hipscat/catalog/association_catalog/association_catalog.py

@@ -53,7 +53,9 @@ def _get_partition_join_info_from_pixels(
         raise TypeError("join_pixels must be of type PartitionJoinInfo or DataFrame")
 
     @classmethod
-    def _read_args(cls, catalog_base_dir: FilePointer) -> Tuple[CatalogInfoClass, JoinPixelInputTypes]:
+    def _read_args(
+        cls, catalog_base_dir: FilePointer
+    ) -> Tuple[CatalogInfoClass, JoinPixelInputTypes]:  # type: ignore[override]
         args = super()._read_args(catalog_base_dir)
         partition_join_info_file = paths.get_partition_join_info_pointer(catalog_base_dir)
         partition_join_info = PartitionJoinInfo.read_from_file(partition_join_info_file)

src/hipscat/catalog/association_catalog/association_catalog_info.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from dataclasses import dataclass
 
 from hipscat.catalog.catalog_type import CatalogType
@@ -8,16 +10,16 @@
 class AssociationCatalogInfo(BaseCatalogInfo):
     """Catalog Info for a HiPSCat Association Catalog"""
 
-    primary_catalog: str = None
+    primary_catalog: str | None = None
     """Catalog name for the primary (left) side of association"""
 
-    primary_column: str = None
+    primary_column: str | None = None
     """Column name in the primary (left) side of join"""
 
-    join_catalog: str = None
+    join_catalog: str | None = None
     """Catalog name for the joining (right) side of association"""
 
-    join_column: str = None
+    join_column: str | None = None
     """Column name in the joining (right) side of join"""
 
     required_fields = BaseCatalogInfo.required_fields + [

src/hipscat/inspection/almanac.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import glob
 import os
 import warnings
@@ -178,7 +180,7 @@ def _init_catalog_links(self):
             else:  # pragma: no cover
                 warnings.warn(f"Unknown catalog type {catalog_entry.catalog_type}")
 
-    def _get_linked_catalog(self, linked_text, namespace) -> AlmanacInfo:
+    def _get_linked_catalog(self, linked_text, namespace) -> AlmanacInfo | None:
         """Find a catalog to be used for linking catalogs within the almanac.
 
         e.g. for an association table, we will have a primary and join catalog.
@@ -214,7 +216,7 @@ def _get_linked_catalog(self, linked_text, namespace) -> AlmanacInfo:
                 return None
         return self.entries[resolved_name]
 
-    def catalogs(self, include_deprecated=False, types: List[str] = None):
+    def catalogs(self, include_deprecated=False, types: List[str] | None = None):
         """Get names of catalogs in the almanac, matching the provided conditions.
 
         Catalogs must meet all criteria provided in order to be returned (e.g.

src/hipscat/inspection/almanac_info.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import dataclasses
 import os
 from dataclasses import dataclass, field
@@ -20,10 +22,10 @@ class AlmanacInfo:
     catalog_path: str = ""
     catalog_name: str = ""
     catalog_type: str = ""
-    primary: str = None
-    join: str = None
-    primary_link: Self = None
-    join_link: Self = None
+    primary: str | None = None
+    join: str | None = None
+    primary_link: Self | None = None
+    join_link: Self | None = None
     sources: List[Self] = field(default_factory=list)
     objects: List[Self] = field(default_factory=list)
     margins: List[Self] = field(default_factory=list)
@@ -38,7 +40,7 @@ class AlmanacInfo:
 
     catalog_info: dict = field(default_factory=dict)
 
-    catalog_info_object: BaseCatalogInfo = None
+    catalog_info_object: BaseCatalogInfo | None = None
 
     def __post_init__(self):
         if len(self.catalog_info):
@@ -74,7 +76,9 @@ def get_default_dir() -> str:
     @classmethod
     def from_catalog_dir(cls, catalog_base_dir: str) -> Self:
         """Create almanac information from the catalog information found at the target directory"""
-        catalog_info = catalog_info_factory.from_catalog_dir(catalog_base_dir=catalog_base_dir)
+        catalog_info = catalog_info_factory.from_catalog_dir(
+            catalog_base_dir=file_io.get_file_pointer_from_path(catalog_base_dir)
+        )
         args = {
             "catalog_path": catalog_base_dir,
             "catalog_name": catalog_info.catalog_name,

src/hipscat/io/file_io/file_io.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import json
 import os
 import shutil
@@ -98,7 +100,9 @@ def read_parquet_metadata(file_pointer: FilePointer, **kwargs) -> pq.FileMetaDat
     return pq.read_metadata(file_pointer, **kwargs)
 
 
-def write_parquet_metadata(schema: Any, file_pointer: FilePointer, metadata_collector: list = None, **kwargs):
+def write_parquet_metadata(
+    schema: Any, file_pointer: FilePointer, metadata_collector: list | None = None, **kwargs
+):
     """Write a metadata only parquet file from a schema
 
     Args:

src/hipscat/io/file_io/file_pointer.py

@@ -49,7 +49,7 @@ def is_regular_file(pointer: FilePointer) -> bool:
     return os.path.isfile(pointer)
 
 
-def find_files_matching_path(*paths: str) -> List[FilePointer]:
+def find_files_matching_path(pointer: FilePointer, *paths: str) -> List[FilePointer]:
     """Find files or directories matching the provided path parts.
 
     Args:
@@ -58,7 +58,7 @@ def find_files_matching_path(*paths: str) -> List[FilePointer]:
     Returns:
         New file pointers to files found matching the path
     """
-    matcher = append_paths_to_pointer(*paths)
+    matcher = append_paths_to_pointer(pointer, *paths)
     return [get_file_pointer_from_path(x) for x in glob.glob(matcher)]
 
 

src/hipscat/io/paths.py

@@ -45,13 +45,13 @@ def pixel_directory(
         FilePointer directory name
     """
     norder = int(pixel_order)
-    if pixel_number is None and directory_number is None:
-        raise ValueError("One of pixel_number or directory_number is required to create pixel directory")
     if directory_number is not None:
         ndir = directory_number
-    else:
+    elif pixel_number is not None:
         npix = int(pixel_number)
         ndir = int(npix / 10_000) * 10_000
+    else:
+        raise ValueError("One of pixel_number or directory_number is required to create pixel directory")
     return create_hive_directory_name(
         catalog_base_dir,
         [ORDER_DIRECTORY_PREFIX, DIR_DIRECTORY_PREFIX],