feat(pyproject.toml): add mypy-boto3-cognito-idp dependency for type …

…checking support

feat(auth.py, user.py): add has_cached_credentials method to check for cached credentials

Add a static method in OtfAuth and a class method in OtfUser to verify
the presence of cached credentials, enhancing the authentication
process by allowing pre-checks for cached data.

pyproject.toml

@@ -30,6 +30,7 @@ pint = "0.24.*"
 pycognito = "2024.5.1"
 pydantic = "2.7.3"
 yarl = "^1.18.3"
+mypy-boto3-cognito-idp = "^1.35.93"
 
 [tool.poetry.group.dev.dependencies]
 build = "1.2.1"

src/otf_api/auth/auth.py

@@ -30,6 +30,19 @@ def __attrs_post_init__(self) -> None:
         if not hasattr(self, "config"):
             self.config = OtfAuthConfig()
 
+    @staticmethod
+    def has_cached_credentials(config: OtfAuthConfig | None = None) -> bool:
+        """Check if there are cached credentials.
+
+        Args:
+            config (OtfAuthConfig, optional): The configuration. Defaults to None.
+
+        Returns:
+            bool: True if there are cached credentials, False otherwise.
+        """
+        config = config or OtfAuthConfig()
+        return config.token_cache.get_cached_data() is not None
+
     @staticmethod
     def from_cache(config: OtfAuthConfig | None = None) -> "OtfTokenAuth":
         """Attempt to get an authentication object from the cache. If no tokens are found, raise a ValueError.

src/otf_api/auth/user.py

@@ -130,3 +130,15 @@ def from_cache(cls, config: OtfAuthConfig | None = None) -> "OtfUser":
         """
         auth = OtfAuth.from_cache(config)
         return cls(auth)
+
+    @classmethod
+    def has_cached_credentials(cls, config: OtfAuthConfig | None = None) -> bool:
+        """Check if there are cached credentials.
+
+        Args:
+            config (OtfAuthConfig, optional): The configuration. Defaults to None.
+
+        Returns:
+            bool: True if there are cached credentials, False otherwise.
+        """
+        return OtfAuth.has_cached_credentials(config)