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coverage = "^6" zninit = "^0.1" attrs = "^22" +pydantic = "^2.6.2" [tool.poetry.group.notebook.dependencies] jupyterlab = "^3" diff --git a/tests/test_node.py b/tests/test_node.py index 4d9406c..b18b193 100644 --- a/tests/test_node.py +++ b/tests/test_node.py @@ -3,6 +3,7 @@ import attrs import pytest import zninit +import pydantic import znflow from znflow.node import _mark_init_in_construction @@ -57,6 +58,15 @@ def run(self): def output(self): return znflow.get_attribute(self, "value") +class PydanticNode(pydantic.BaseModel, znflow.Node): + value: pydantic.SkipValidation[int] + + def run(self): + self.value += 1 + + @property + def output(self): + return znflow.get_attribute(self, "value") @znflow.nodify def add(value): @@ -68,15 +78,16 @@ def compute_sum(*args): return sum(args) -@pytest.mark.parametrize("cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode]) +@pytest.mark.parametrize("cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode, PydanticNode]) def test_Node_init(cls): - with pytest.raises((TypeError, AttributeError)): + with pytest.raises((TypeError, AttributeError, pydantic.ValidationError)): # TODO only raise TypeError and not AttributeError when TypeError is expected. + # Pydantic does not raise TypeError, but ValidationError with znflow.DiGraph(): cls() -@pytest.mark.parametrize("cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode]) +@pytest.mark.parametrize("cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode, PydanticNode]) def test_Node(cls): with znflow.DiGraph() as graph: node = cls(value=42) @@ -94,8 +105,8 @@ def test_Node(cls): assert graph.nodes[node.uuid]["value"] is node -@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode]) -@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode]) +@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) +@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) def test_ConnectionNodeNode(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -132,7 +143,7 @@ def test_ConnectionNodifyNodify(cls1, cls2): @pytest.mark.parametrize("cls1", [add]) -@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode]) +@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) def test_ConnectionNodeNodify(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -151,7 +162,7 @@ def test_ConnectionNodeNodify(cls1, cls2): @pytest.mark.parametrize("cls2", [add]) -@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode]) +@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) def test_ConnectionNodifyNode(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -167,7 +178,7 @@ def test_ConnectionNodifyNode(cls1, cls2): @pytest.mark.parametrize("cls2", [compute_sum]) -@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode]) +@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) def test_ConnectionNodifyMultiNode(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -190,7 +201,7 @@ def test_ConnectionNodifyMultiNode(cls1, cls2): @pytest.mark.parametrize("cls1", [compute_sum]) -@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode]) +@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) def test_ConnectionNodeMultiNodify(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(42) diff --git a/znflow/base.py b/znflow/base.py index c30fff3..54ae8d3 100644 --- a/znflow/base.py +++ b/znflow/base.py @@ -113,7 +113,9 @@ class NodeBaseMixin: "_graph_", "uuid", "_uuid", - ] # TODO consider adding regex patterns + "model_fields", # pydantic + "model_computed_fields", # pydantic + ] @property def uuid(self): diff --git a/znflow/graph.py b/znflow/graph.py index e24a24e..86409a6 100644 --- a/znflow/graph.py +++ b/znflow/graph.py @@ -108,9 +108,11 @@ def _update_node_attributes(self, node_instance: Node, updater) -> None: value, node_instance=node_instance, attribute=attribute ) - def add_node(self, node_for_adding, **attr): + def add_node(self, node_for_adding, this_uuid = None, **attr): + if this_uuid is None: + this_uuid = node_for_adding.uuid if isinstance(node_for_adding, NodeBaseMixin): - super().add_node(node_for_adding.uuid, value=node_for_adding, **attr) + super().add_node(this_uuid, value=node_for_adding, **attr) else: raise ValueError(f"Only Nodes are supported, found '{node_for_adding}'.") diff --git a/znflow/node.py b/znflow/node.py index 7550a51..e7b4898 100644 --- a/znflow/node.py +++ b/znflow/node.py @@ -4,6 +4,8 @@ import inspect import uuid +from pytest import mark + from znflow.base import ( Connection, FunctionFuture, @@ -14,21 +16,23 @@ ) -def _mark_init_in_construction(cls): +def _mark_init_in_construction(cls, this_uuid=None): if "__init__" in dir(cls): def wrap_init(func): - if getattr(func, "_already_wrapped", False): - # if the function is already wrapped, return it - # TODO this is solving the error but not the root cause - return func + if hasattr(func, "_znflow_func"): + # we wrap the original function, thereby updating the + # uuid to be unique. + func = func._znflow_func @functools.wraps(cls.__init__) def wrapper(self, *args, **kwargs): func(self, *args, **kwargs) self._in_construction = False + if this_uuid is not None: + self._uuid = this_uuid - wrapper._already_wrapped = True + wrapper._znflow_func = func return wrapper @@ -46,6 +50,7 @@ def __matmul__(self, other): return Connection(self, other) def __new__(cls, *args, **kwargs): + this_uuid = uuid.uuid4() try: instance = super().__new__(cls, *args, **kwargs) except TypeError: @@ -53,13 +58,18 @@ def __new__(cls, *args, **kwargs): # but even dataclasses seem to have an __init__ afterwards. # print("TypeError: ...") instance = super().__new__(cls) - _mark_init_in_construction(cls) - instance.uuid = uuid.uuid4() + + try: + instance.uuid = this_uuid + _mark_init_in_construction(cls, None) + except AttributeError: + # pydantic edge case + _mark_init_in_construction(cls, this_uuid) # Connect the Node to the Graph graph = get_graph() if graph is not empty_graph: - graph.add_node(instance) + graph.add_node(instance, this_uuid=this_uuid) return instance def __getattribute__(self, item): From 2004260cdfc1f6ce148aa104d5057fed35b7fcc2 Mon Sep 17 00:00:00 2001 From: Fabian Zills Date: Mon, 26 Feb 2024 12:39:09 +0100 Subject: [PATCH 2/5] update README.md --- README.md | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/README.md b/README.md index cd88d1e..afde9a3 100644 --- a/README.md +++ b/README.md @@ -262,6 +262,4 @@ ZnFlow includes tests to ensure compatibility with: - `dataclasses` - `ZnInit` - `attrs` - -It is currently **not** compatible with pydantic. I don't know what pydantic -does internally and wasn't able to find a workaround. +- `pydantic` (experimental) From f7aaf4bc420715b5e2338bcd174bae13d3ba36fe Mon Sep 17 00:00:00 2001 From: "pre-commit-ci[bot]" <66853113+pre-commit-ci[bot]@users.noreply.github.com> Date: Mon, 26 Feb 2024 11:39:38 +0000 Subject: [PATCH 3/5] [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --- tests/test_node.py | 36 +++++++++++++++++++++++++++--------- znflow/base.py | 4 ++-- znflow/graph.py | 2 +- znflow/node.py | 3 +-- 4 files changed, 31 insertions(+), 14 deletions(-) diff --git a/tests/test_node.py b/tests/test_node.py index b18b193..f9c5236 100644 --- a/tests/test_node.py +++ b/tests/test_node.py @@ -1,9 +1,9 @@ import dataclasses import attrs +import pydantic import pytest import zninit -import pydantic import znflow from znflow.node import _mark_init_in_construction @@ -58,6 +58,7 @@ def run(self): def output(self): return znflow.get_attribute(self, "value") + class PydanticNode(pydantic.BaseModel, znflow.Node): value: pydantic.SkipValidation[int] @@ -68,6 +69,7 @@ def run(self): def output(self): return znflow.get_attribute(self, "value") + @znflow.nodify def add(value): return value @@ -78,7 +80,9 @@ def compute_sum(*args): return sum(args) -@pytest.mark.parametrize("cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode, PydanticNode]) +@pytest.mark.parametrize( + "cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode, PydanticNode] +) def test_Node_init(cls): with pytest.raises((TypeError, AttributeError, pydantic.ValidationError)): # TODO only raise TypeError and not AttributeError when TypeError is expected. @@ -87,7 +91,9 @@ def test_Node_init(cls): cls() -@pytest.mark.parametrize("cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode, PydanticNode]) +@pytest.mark.parametrize( + "cls", [PlainNode, DataclassNode, ZnInitNode, add, AttrsNode, PydanticNode] +) def test_Node(cls): with znflow.DiGraph() as graph: node = cls(value=42) @@ -105,8 +111,12 @@ def test_Node(cls): assert graph.nodes[node.uuid]["value"] is node -@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) -@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) +@pytest.mark.parametrize( + "cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode] +) +@pytest.mark.parametrize( + "cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode] +) def test_ConnectionNodeNode(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -143,7 +153,9 @@ def test_ConnectionNodifyNodify(cls1, cls2): @pytest.mark.parametrize("cls1", [add]) -@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) +@pytest.mark.parametrize( + "cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode] +) def test_ConnectionNodeNodify(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -162,7 +174,9 @@ def test_ConnectionNodeNodify(cls1, cls2): @pytest.mark.parametrize("cls2", [add]) -@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) +@pytest.mark.parametrize( + "cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode] +) def test_ConnectionNodifyNode(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -178,7 +192,9 @@ def test_ConnectionNodifyNode(cls1, cls2): @pytest.mark.parametrize("cls2", [compute_sum]) -@pytest.mark.parametrize("cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) +@pytest.mark.parametrize( + "cls1", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode] +) def test_ConnectionNodifyMultiNode(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(value=42) @@ -201,7 +217,9 @@ def test_ConnectionNodifyMultiNode(cls1, cls2): @pytest.mark.parametrize("cls1", [compute_sum]) -@pytest.mark.parametrize("cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode]) +@pytest.mark.parametrize( + "cls2", [PlainNode, DataclassNode, ZnInitNode, AttrsNode, PydanticNode] +) def test_ConnectionNodeMultiNodify(cls1, cls2): with znflow.DiGraph() as graph: node1 = cls1(42) diff --git a/znflow/base.py b/znflow/base.py index 54ae8d3..8497ce4 100644 --- a/znflow/base.py +++ b/znflow/base.py @@ -113,8 +113,8 @@ class NodeBaseMixin: "_graph_", "uuid", "_uuid", - "model_fields", # pydantic - "model_computed_fields", # pydantic + "model_fields", # pydantic + "model_computed_fields", # pydantic ] @property diff --git a/znflow/graph.py b/znflow/graph.py index 86409a6..f67968e 100644 --- a/znflow/graph.py +++ b/znflow/graph.py @@ -108,7 +108,7 @@ def _update_node_attributes(self, node_instance: Node, updater) -> None: value, node_instance=node_instance, attribute=attribute ) - def add_node(self, node_for_adding, this_uuid = None, **attr): + def add_node(self, node_for_adding, this_uuid=None, **attr): if this_uuid is None: this_uuid = node_for_adding.uuid if isinstance(node_for_adding, NodeBaseMixin): diff --git a/znflow/node.py b/znflow/node.py index e7b4898..2b0ecf2 100644 --- a/znflow/node.py +++ b/znflow/node.py @@ -4,7 +4,6 @@ import inspect import uuid -from pytest import mark from znflow.base import ( Connection, @@ -58,7 +57,7 @@ def __new__(cls, *args, **kwargs): # but even dataclasses seem to have an __init__ afterwards. # print("TypeError: ...") instance = super().__new__(cls) - + try: instance.uuid = this_uuid _mark_init_in_construction(cls, None) From 1548016c15292734e5ad497a3e0715e1ace7754f Mon Sep 17 00:00:00 2001 From: Fabian Zills Date: Mon, 26 Feb 2024 12:41:06 +0100 Subject: [PATCH 4/5] fix imports --- znflow/node.py | 1 - 1 file changed, 1 deletion(-) diff --git a/znflow/node.py b/znflow/node.py index 2b0ecf2..052991a 100644 --- a/znflow/node.py +++ b/znflow/node.py @@ -4,7 +4,6 @@ import inspect import uuid - from znflow.base import ( Connection, FunctionFuture, From af561e5b2247c913be10a25af2bf7bb95c164d88 Mon Sep 17 00:00:00 2001 From: Fabian Zills Date: Mon, 26 Feb 2024 12:42:35 +0100 Subject: [PATCH 5/5] update add_node to properly raise exception --- znflow/graph.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/znflow/graph.py b/znflow/graph.py index f67968e..2d89ade 100644 --- a/znflow/graph.py +++ b/znflow/graph.py @@ -109,9 +109,9 @@ def _update_node_attributes(self, node_instance: Node, updater) -> None: ) def add_node(self, node_for_adding, this_uuid=None, **attr): - if this_uuid is None: - this_uuid = node_for_adding.uuid if isinstance(node_for_adding, NodeBaseMixin): + if this_uuid is None: + this_uuid = node_for_adding.uuid super().add_node(this_uuid, value=node_for_adding, **attr) else: raise ValueError(f"Only Nodes are supported, found '{node_for_adding}'.")