add support for PrivacyDeclaration.flexible_legal_basis_for_processin… (#177)

* add support for PrivacyDeclaration.flexible_legal_basis_for_processing attribute

* tweak description

Co-authored-by: Neville Samuell <[email protected]>

---------

Co-authored-by: Neville Samuell <[email protected]>

Author: adamsachs

src/fideslang/models.py

@@ -991,6 +991,10 @@ class PrivacyDeclaration(BaseModel):
     features: List[str] = Field(
         default_factory=list, description="The features of processing personal data."
     )
+    flexible_legal_basis_for_processing: bool = Field(
+        description="Whether the legal basis for processing is 'flexible' (i.e. can be overridden in a privacy notice) for this declaration.",
+        default=False,
+    )
     legal_basis_for_processing: Optional[LegalBasisForProcessingEnum] = Field(
         description="The legal basis under which personal data is processed for this purpose."
     )

tests/fideslang/test_models.py

@@ -419,7 +419,8 @@ def test_expanded_system(self):
             uses_cookies=True,
             cookie_refresh=True,
             uses_non_cookie_access=True,
-            legitimate_interest_disclosure_url="http://www.example.com/legitimate_interest_disclosure"
+            legitimate_interest_disclosure_url="http://www.example.com/legitimate_interest_disclosure",
+            flexible_legal_basis_for_processing=True,
         )
 
     @mark.parametrize(