[core] chore: update types for support python 3.9

libs/core/garf_core/__init__.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = '0.1.4'
+__version__ = '0.1.4.post1'

libs/core/garf_core/api_clients.py

@@ -155,7 +155,7 @@ def from_csv(cls, file_location: str | os.PathLike[str]) -> FakeApiClient:
             {key: _field_converter(value) for key, value in row.items()}
           )
         return FakeApiClient(data)
-    except FileNotFoundError as e:
+    except (AttributeError, FileNotFoundError) as e:
       raise GarfApiError(f'Failed to open {file_location}') from e
 
 

libs/core/garf_core/query_editor.py

@@ -25,24 +25,18 @@
 import jinja2
 import pydantic
 from dateutil import relativedelta
-from typing_extensions import Self
+from typing_extensions import Self, TypeAlias
 
 from garf_core import exceptions
 
-QueryParameters = dict[str, Union[str | float | int]]
+QueryParameters: TypeAlias = dict[str, Union[str, float, int]]
 
 
 class GarfQueryParameters(pydantic.BaseModel):
   """Parameters for dynamically changing text of a query."""
 
-  macro: QueryParameters | None = None
-  template: QueryParameters | None = None
-
-  def model_post_init(self, __context__) -> None:
-    if self.macro is None:
-      self.macro = {}
-    if self.template is None:
-      self.template = {}
+  macro: QueryParameters = pydantic.Field(default_factory=dict)
+  template: QueryParameters = pydantic.Field(default_factory=dict)
 
 
 class GarfQueryError(exceptions.GarfError):

libs/core/pyproject.toml

@@ -11,18 +11,18 @@ dependencies = [
     "requests",
     "pyyaml",
     "pydantic",
+    "eval_type_backport",
 ]
 authors = [
   {name = "Google Inc. (gTech gPS CSE team)", email = "no-reply@google.com"},
   {name = "Andrei Markin", email = "andrey.markin.ppc@gmail.com"},
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 description = "Abstracts fetching data from API based on provided SQL-like query."
 readme = "README.md"
 license = {text = "Apache 2.0"}
 classifiers = [
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",