chore: remove warnings from pydantic v2

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## \[Unreleased\]
 
+### Fixed
+
+- Update schemas and tests to remove Pydantic v2 warnings ([#183](https://github.com/Substra/substrafl/pull/183))
+
 ## [0.42.0](https://github.com/Substra/substrafl/releases/tag/0.42.0) - 2023-10-18
 
 ### Added

substrafl/dependency/schemas.py

@@ -10,8 +10,9 @@
 import substra
 import substratools
 from pydantic import BaseModel
+from pydantic import ConfigDict
 from pydantic import Field
-from pydantic import validator
+from pydantic import field_validator
 
 import substrafl
 from substrafl import exceptions
@@ -67,9 +68,7 @@ class Dependency(BaseModel):
     _wheels: List[Path] = []
     _local_paths: List[Path] = []
     _cache_directory: Optional[Path] = None
-
-    class Config:
-        arbitrary_types_allowed = True
+    model_config = ConfigDict(arbitrary_types_allowed=True)
 
     def __init__(self, *args, **kwargs):
         """Dependencies are computed at object initialization.
@@ -83,7 +82,7 @@ def __del__(self):
         """Delete the cache directory."""
         self._delete_cache_directory()
 
-    @validator("local_installable_dependencies", "local_code")
+    @field_validator("local_installable_dependencies", "local_code")
     def resolve_path(cls, v):  # noqa: N805
         """Resolve list of local code paths and check if they exist."""
         not_existing_paths = list()
@@ -101,7 +100,7 @@ def resolve_path(cls, v):  # noqa: N805
 
         return resolved_paths
 
-    @validator("local_installable_dependencies")
+    @field_validator("local_installable_dependencies")
     def check_setup(cls, v):  # noqa: N805
         """Check the presence of a setup.py file or a pyproject.toml in the provided paths."""
         not_installable = list()

substrafl/nodes/train_data_node.py

@@ -70,7 +70,7 @@ def init_states(
             },
             tag=TaskType.INITIALIZATION,
             worker=self.organization_id,
-        ).dict()
+        ).model_dump()
 
         init_task.pop("function_key")
         init_task["remote_operation"] = operation.remote_struct
@@ -181,7 +181,7 @@ def update_states(
             metadata=task_metadata,
             tag=TaskType.TRAIN,
             worker=self.organization_id,
-        ).dict()
+        ).model_dump()
 
         train_task.pop("function_key")
         train_task["remote_operation"] = operation.remote_struct

substrafl/strategies/schemas.py

@@ -18,8 +18,7 @@ class StrategyName(str, Enum):
 class _Model(pydantic.BaseModel):
     """Base model configuration"""
 
-    class Config:
-        arbitrary_types_allowed = True
+    model_config = pydantic.ConfigDict(arbitrary_types_allowed=True)
 
 
 class FedAvgAveragedState(_Model):

tests/settings.py

@@ -7,7 +7,8 @@
 import substra
 import yaml
 from pydantic import BaseModel
-from pydantic import validator
+from pydantic import ConfigDict
+from pydantic import field_validator
 
 CURRENT_DIR = Path(__file__).parent
 
@@ -44,7 +45,7 @@ class Configuration(BaseModel):
 
     organizations: List[OrganizationCfg]
 
-    @validator("organizations")
+    @field_validator("organizations")
     def minimal_number_of_organizations(cls, v):  # noqa: N805
         assert len(v) >= MIN_ORGANIZATIONS, (
             "Not enough organizations defined in your configuration. "
@@ -67,9 +68,8 @@ class Network(BaseModel):
     clients: List[substra.sdk.client.Client]
     msp_ids: Optional[List[str]] = None
 
-    class Config:
-        # Arbitrary type is used because substra Client is not pydantic compatible
-        arbitrary_types_allowed = True
+    # Arbitrary type is used because substra Client is not pydantic compatible
+    model_config = ConfigDict(arbitrary_types_allowed=True)
 
     @property
     def n_organizations(self) -> int: