MOD: Expose BentoError in client library

Author: Zach Banks

databento/__init__.py

@@ -3,12 +3,22 @@
 from databento.common.bento import Bento, FileBento, MemoryBento
 from databento.historical.api import API_VERSION
 from databento.historical.client import Historical
+from databento.historical.error import (
+    BentoClientError,
+    BentoError,
+    BentoHttpError,
+    BentoServerError,
+)
 from databento.version import __version__  # noqa
 
 
 __all__ = [
     "API_VERSION",
     "Bento",
+    "BentoClientError",
+    "BentoError",
+    "BentoHttpError",
+    "BentoServerError",
     "FileBento",
     "Historical",
     "MemoryBento",

databento/historical/error.py

@@ -33,12 +33,12 @@ def __init__(
         self.http_status = http_status
         self.http_body = http_body
         self.json_body = json_body
-        self._message = message
+        self.message = message
         self.headers = headers or {}
         self.request_id = self.headers.get("request-id", None)
 
     def __str__(self):
-        msg = self._message or "<empty message>"
+        msg = self.message or "<empty message>"
         msg = f"{self.http_status} {msg}"
         if self.request_id is not None:
             return f"Request {self.request_id}: {msg}"
@@ -50,7 +50,7 @@ def __repr__(self):
             f"{type(self).__name__}("
             f"request_id={self.request_id}, "
             f"http_status={self.http_status}, "
-            f"message={self._message})"
+            f"message={self.message})"
         )