1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
import platform
import sys
from collections.abc import Iterable
from typing import Any
from weakref import WeakValueDictionary
import pytest
from pydantic_core import SchemaSerializer, SchemaValidator, core_schema
from .conftest import assert_gc, is_free_threaded
GC_TEST_SCHEMA_INNER = core_schema.definitions_schema(
core_schema.definition_reference_schema(schema_ref='model'),
[
core_schema.typed_dict_schema(
{'x': core_schema.typed_dict_field(core_schema.definition_reference_schema(schema_ref='model'))},
ref='model',
)
],
)
@pytest.mark.xfail(is_free_threaded and sys.version_info < (3, 14), reason='GC leaks on free-threaded (<3.14)')
@pytest.mark.xfail(
condition=platform.python_implementation() == 'PyPy', reason='https://foss.heptapod.net/pypy/pypy/-/issues/3899'
)
@pytest.mark.skipif(platform.python_implementation() == 'GraalVM', reason='Cannot reliably trigger GC on GraalPy')
def test_gc_schema_serializer() -> None:
# test for https://github.com/pydantic/pydantic/issues/5136
class BaseModel:
__schema__: SchemaSerializer
def __init_subclass__(cls) -> None:
cls.__schema__ = SchemaSerializer(
core_schema.model_schema(cls, GC_TEST_SCHEMA_INNER), config={'ser_json_timedelta': 'float'}
)
cache: WeakValueDictionary[int, Any] = WeakValueDictionary()
for _ in range(10_000):
class MyModel(BaseModel):
pass
cache[id(MyModel)] = MyModel
del MyModel
assert_gc(lambda: len(cache) == 0)
@pytest.mark.xfail(is_free_threaded and sys.version_info < (3, 14), reason='GC leaks on free-threaded (<3.14)')
@pytest.mark.xfail(
condition=platform.python_implementation() == 'PyPy', reason='https://foss.heptapod.net/pypy/pypy/-/issues/3899'
)
@pytest.mark.skipif(platform.python_implementation() == 'GraalVM', reason='Cannot reliably trigger GC on GraalPy')
def test_gc_schema_validator() -> None:
# test for https://github.com/pydantic/pydantic/issues/5136
class BaseModel:
__validator__: SchemaValidator
def __init_subclass__(cls) -> None:
cls.__validator__ = SchemaValidator(
schema=core_schema.model_schema(cls, GC_TEST_SCHEMA_INNER),
config=core_schema.CoreConfig(extra_fields_behavior='allow'),
)
cache: WeakValueDictionary[int, Any] = WeakValueDictionary()
for _ in range(10_000):
class MyModel(BaseModel):
pass
cache[id(MyModel)] = MyModel
del MyModel
assert_gc(lambda: len(cache) == 0)
@pytest.mark.xfail(
condition=platform.python_implementation() == 'PyPy', reason='https://foss.heptapod.net/pypy/pypy/-/issues/3899'
)
@pytest.mark.skipif(platform.python_implementation() == 'GraalVM', reason='Cannot reliably trigger GC on GraalPy')
def test_gc_validator_iterator() -> None:
# test for https://github.com/pydantic/pydantic/issues/9243
class MyModel:
iter: Iterable[int]
v = SchemaValidator(
core_schema.model_schema(
MyModel,
core_schema.model_fields_schema(
{'iter': core_schema.model_field(core_schema.generator_schema(core_schema.int_schema()))}
),
)
)
class MyIterable:
def __iter__(self):
return self
def __next__(self):
raise StopIteration()
cache: WeakValueDictionary[int, Any] = WeakValueDictionary()
for _ in range(10_000):
iterable = MyIterable()
cache[id(iterable)] = iterable
v.validate_python({'iter': iterable})
del iterable
assert_gc(lambda: len(cache) == 0)
|
