MOD: Apply standardizations and fix mypy warnings

Author: cjdsellers

databento/common/bento.py

@@ -35,7 +35,7 @@ def __init__(self) -> None:
         self._limit: Optional[int] = None
         self._encoding: Optional[Encoding] = None
         self._compression: Optional[Compression] = None
-        self._shape: Optional[Tuple] = None
+        self._shape: Optional[Tuple[int, ...]] = None
 
     def _check_metadata(self) -> None:
         if not self._metadata:
@@ -340,13 +340,13 @@ def compression(self) -> Compression:
         return self._compression
 
     @property
-    def shape(self) -> Tuple:
+    def shape(self) -> Tuple[int, ...]:
         """
         Return the shape of the data.
 
         Returns
         -------
-        Tuple
+        Tuple[int, ...]
             The data shape.
 
         """

databento/historical/api/metadata.py

@@ -124,7 +124,7 @@ def list_fields(
         dataset: Union[Dataset, str],
         schema: Optional[Union[Schema, str]] = None,
         encoding: Optional[Union[Encoding, str]] = None,
-    ) -> Dict[str, Dict]:
+    ) -> Dict[str, Dict[str, str]]:
         """
         Request all fields for a dataset, schema and encoding from Databento.
 
@@ -144,7 +144,7 @@ def list_fields(
 
         Returns
         -------
-        Dict[str, Any]
+        Dict[str, Dict[str, str]]
             A mapping of dataset to encoding to schema to field to data type.
 
         """
@@ -251,7 +251,7 @@ def get_shape(
         encoding: Union[Encoding, str] = "dbz",
         stype_in: Optional[Union[SType, str]] = "native",
         limit: Optional[int] = None,
-    ) -> Tuple:
+    ) -> Tuple[int, ...]:
         """
         Request the shape of the time series data from Databento.
 
@@ -282,7 +282,7 @@ def get_shape(
 
         Returns
         -------
-        Tuple
+        Tuple[int, ...]
             The shape of the data expressed as size per dimension.
 
         """
@@ -307,7 +307,7 @@ def get_shape(
             basic_auth=True,
         )
 
-        values = response.json()
+        values: List[int] = response.json()
         return tuple(values)
 
     def get_billable_size(

examples/historical_metadata_get_shape.py

@@ -9,7 +9,7 @@
     key = "YOUR_API_KEY"
     client = db.Historical(key=key)
 
-    shape: Tuple = client.metadata.get_shape(
+    shape: Tuple[int, ...] = client.metadata.get_shape(
         dataset="GLBX.MDP3",
         symbols=["ESM2"],
         schema="mbo",