CDK: rev mutableMapping -> Mapping

Signed-off-by: Artem Inzhyyants <artem.inzhyyants@gmail.com>

Author: artem1205

airbyte_cdk/sources/declarative/partition_routers/substream_partition_router.py

@@ -4,7 +4,7 @@
 import copy
 import logging
 from dataclasses import InitVar, dataclass
-from typing import TYPE_CHECKING, Any, Iterable, List, Mapping, MutableMapping, Optional, Union
+from typing import TYPE_CHECKING, Any, Iterable, List, Mapping, Optional, Union
 
 import dpath
 
@@ -215,7 +215,7 @@ def _extract_extra_fields(
         self,
         parent_record: Mapping[str, Any] | AirbyteMessage,
         extra_fields: Optional[List[List[str]]] = None,
-    ) -> MutableMapping[str, Any]:
+    ) -> Mapping[str, Any]:
         """
         Extracts additional fields specified by their paths from the parent record.
 

airbyte_cdk/sources/declarative/requesters/http_job_repository.py

@@ -189,8 +189,12 @@ def fetch_records(self, job: AsyncJob) -> Iterable[Mapping[str, Any]]:
         for url in self.urls_extractor.extract_records(
             self._polling_job_response_by_id[job.api_job_id()]
         ):
-            stream_slice = job.job_parameters()
-            stream_slice.extra_fields.update({"url": url})
+            job_slice = job.job_parameters()
+            stream_slice = StreamSlice(
+                partition=job_slice.partition,
+                cursor_slice=job_slice.cursor_slice,
+                extra_fields={**job_slice.extra_fields, "url": url},
+            )
             for message in self.download_retriever.read_records({}, stream_slice):
                 if isinstance(message, Record):
                     yield message.data

airbyte_cdk/sources/types.py

@@ -4,17 +4,7 @@
 
 from __future__ import annotations
 
-from typing import (
-    Any,
-    ItemsView,
-    Iterator,
-    KeysView,
-    List,
-    Mapping,
-    MutableMapping,
-    Optional,
-    ValuesView,
-)
+from typing import Any, ItemsView, Iterator, KeysView, List, Mapping, Optional, ValuesView
 
 import orjson
 
@@ -78,7 +68,7 @@ def __init__(
         *,
         partition: Mapping[str, Any],
         cursor_slice: Mapping[str, Any],
-        extra_fields: Optional[MutableMapping[str, Any]] = None,
+        extra_fields: Optional[Mapping[str, Any]] = None,
     ) -> None:
         """
         :param partition: The partition keys representing a unique partition in the stream.
@@ -112,7 +102,7 @@ def cursor_slice(self) -> Mapping[str, Any]:
         return c
 
     @property
-    def extra_fields(self) -> MutableMapping[str, Any]:
+    def extra_fields(self) -> Mapping[str, Any]:
         """Returns the extra fields that are not part of the partition."""
         return self._extra_fields