delete redundant entities, fix description

Author: tanyshak

pyproject.toml

@@ -1,8 +1,7 @@
 [tool.poetry]
 name = "upsolver-sdk-python"
-
 version = "0.1.3"
-description = "Python API and SDK for Upsolver"
+description = "Python SDK for Upsolver"
 authors = ["Upsolver Team <info@upsolver.com>"]
 
 license = "MIT"

upsolver/client/entities.py

@@ -7,12 +7,6 @@
 class Error(Exception):
     """Base error outlined in PEP 249."""
 
-    def __str__(self) -> str:
-        # make an effort to extract a message
-        for msg in [m for m in self.args if type(m) == str]:
-            return msg
-
-        return self.__class__.__name__
 
 class InterfaceError(Error):
     """

upsolver/client/exceptions.py

@@ -1,7 +1,6 @@
 import time
 from typing import Callable, Optional
 from upsolver.client.exceptions import ApiError, PayloadError, PendingResultTimeout
-from upsolver.client.entities import ExecutionResult
 from upsolver.client.requester import Requester
 from upsolver.client.response import UpsolverResponse
 
@@ -15,8 +14,6 @@
 
 outputs:
 - ExecutionResult is the result for the initial response given in the inputs
-- an optional NextResultPath that can be queried for further results (e.g. when performing a
-  SELECT the response maybe have multiple parts).
 """
 ResponsePoller = Callable[
     [Requester, UpsolverResponse],
@@ -27,6 +24,7 @@
 """
 Build a ResponsePoller that will timeout after the provided interval.
 """
+ExecutionResult = list
 TimeoutSec = float
 ResponsePollerBuilder = Callable[[TimeoutSec], ResponsePoller]
 

upsolver/client/poller.py

@@ -1,9 +1,9 @@
 from typing import Iterator
-from upsolver.client.entities import ExecutionResult
 from upsolver.client.poller import ResponsePollerBuilder
 from upsolver.client.requester import Requester
 from upsolver.client.exceptions import NotSupportedError
 
+ExecutionResult = list
 
 class RestQueryApi():
     def __init__(self, requester: Requester, poller_builder: ResponsePollerBuilder):

upsolver/client/query.py

@@ -4,17 +4,11 @@
 
 """
 import logging
-
 from upsolver.client.query import RestQueryApi
 from upsolver.client.requester import Requester
 from upsolver.client.auth_filler import TokenAuthFiller
 from upsolver.client.exceptions import OperationalError, InterfaceError, NotSupportedError
-
-from upsolver.dbapi.utils import (
-    get_duration_in_seconds,
-    check_closed,
-    DBAPIResponsePoller
-)
+from upsolver.dbapi.utils import get_duration_in_seconds, check_closed, DBAPIResponsePoller
 from upsolver.dbapi.cursor import Cursor
 
 logger = logging.getLogger(__name__)

upsolver/dbapi/connection.py

@@ -43,7 +43,7 @@ def execute(self, operation: SQLQuery, parameters: Optional[QueryParameters] = N
             query_response = self._connection.query(operation)
             return self._prepare_query_results(query_response)
         except OperationalError as err:
-            raise OperationalError(err) from err
+            raise OperationalError(f'Wrong SQL query: {err}')
         except Exception as err:
             raise DatabaseError(err) from err
 

upsolver/dbapi/cursor.py

@@ -1,8 +1,6 @@
 import logging
 from logging import Logger
-from pathlib import Path
 from typing import Any, Dict, Optional, Protocol, Type, TypeVar
-from yarl import URL
 import upsolver.client.exceptions as exceptions
 
 seconds_per_unit = {'s': 1.0, 'm': 60.0}