Drop python 3.7 support

.github/workflows/python-test.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v2
@@ -58,7 +58,6 @@ jobs:
 
       - name: Check dependencies
         run: poetry run deptry .
-        if: ${{ matrix.python-version != '3.7' }}
 
       - name: Upload coverage
         uses: codecov/codecov-action@v1

.travis.yml

@@ -2,7 +2,6 @@ language: python
 sudo: false
 matrix:
   include:
-  - python: 3.7
   - python: 3.8
   - python: 3.9
   - python: 3.10

openapi_core/contrib/requests/protocols.py

@@ -1,11 +1,5 @@
-import sys
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-    from typing import runtime_checkable
-else:
-    from typing_extensions import Protocol
-    from typing_extensions import runtime_checkable
+from typing import Protocol
+from typing import runtime_checkable
 
 from requests.cookies import RequestsCookieJar
 

openapi_core/protocols.py

@@ -1,15 +1,9 @@
 """OpenAPI core protocols module"""
-import sys
 from typing import Any
 from typing import Mapping
 from typing import Optional
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-    from typing import runtime_checkable
-else:
-    from typing_extensions import Protocol
-    from typing_extensions import runtime_checkable
+from typing import Protocol
+from typing import runtime_checkable
 
 from openapi_core.datatypes import RequestParameters
 

openapi_core/schema/protocols.py

@@ -1,13 +1,7 @@
-import sys
 from typing import Any
 from typing import List
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-    from typing import runtime_checkable
-else:
-    from typing_extensions import Protocol
-    from typing_extensions import runtime_checkable
+from typing import Protocol
+from typing import runtime_checkable
 
 
 @runtime_checkable

openapi_core/unmarshalling/request/protocols.py

@@ -1,13 +1,7 @@
 """OpenAPI core validation request protocols module"""
-import sys
 from typing import Optional
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-    from typing import runtime_checkable
-else:
-    from typing_extensions import Protocol
-    from typing_extensions import runtime_checkable
+from typing import Protocol
+from typing import runtime_checkable
 
 from openapi_core.protocols import Request
 from openapi_core.protocols import WebhookRequest

openapi_core/unmarshalling/response/protocols.py

@@ -1,15 +1,9 @@
 """OpenAPI core validation response protocols module"""
-import sys
 from typing import Any
 from typing import Mapping
 from typing import Optional
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-    from typing import runtime_checkable
-else:
-    from typing_extensions import Protocol
-    from typing_extensions import runtime_checkable
+from typing import Protocol
+from typing import runtime_checkable
 
 from openapi_core.protocols import Request
 from openapi_core.protocols import Response

openapi_core/validation/request/protocols.py

@@ -1,14 +1,8 @@
 """OpenAPI core validation request protocols module"""
-import sys
 from typing import Iterator
 from typing import Optional
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-    from typing import runtime_checkable
-else:
-    from typing_extensions import Protocol
-    from typing_extensions import runtime_checkable
+from typing import Protocol
+from typing import runtime_checkable
 
 from openapi_core.protocols import Request
 from openapi_core.protocols import WebhookRequest

openapi_core/validation/response/protocols.py

@@ -1,14 +1,8 @@
 """OpenAPI core validation response protocols module"""
-import sys
 from typing import Iterator
 from typing import Optional
-
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-    from typing import runtime_checkable
-else:
-    from typing_extensions import Protocol
-    from typing_extensions import runtime_checkable
+from typing import Protocol
+from typing import runtime_checkable
 
 from openapi_core.protocols import Request
 from openapi_core.protocols import Response

openapi_core/validation/schemas/validators.py

@@ -1,5 +1,5 @@
 import logging
-import sys
+from functools import cached_property
 from functools import partial
 from typing import Any
 from typing import Iterator
@@ -8,11 +8,6 @@
 from jsonschema.exceptions import FormatError
 from jsonschema.protocols import Validator
 
-if sys.version_info >= (3, 8):
-    from functools import cached_property
-else:
-    from backports.cached_property import cached_property
-
 from openapi_core.spec import Spec
 from openapi_core.validation.schemas.datatypes import FormatValidator
 from openapi_core.validation.schemas.exceptions import InvalidSchemaValue

openapi_core/validation/validators.py

@@ -1,15 +1,11 @@
 """OpenAPI core validation validators module"""
-import sys
+from functools import cached_property
 from typing import Any
 from typing import Mapping
 from typing import Optional
 from typing import Tuple
 from urllib.parse import urljoin
 
-if sys.version_info >= (3, 8):
-    from functools import cached_property
-else:
-    from backports.cached_property import cached_property
 from openapi_core.casting.schemas import schema_casters_factory
 from openapi_core.casting.schemas.factories import SchemaCastersFactory
 from openapi_core.deserializing.media_types import (