ets-labs/python-dependency-injector
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Merge branch 'release/4.26.0' into master

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This commit is contained in:
Roman Mogylatov 2021-02-21 10:35:42 -05:00
commit d3720bd6dd
18 changed files with 1040 additions and 94 deletions
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5
docs/main/changelog.rst
View File

@ -7,6 +7,11 @@ that were made in every particular version.
From version 0.7.6 *Dependency Injector* framework strictly From version 0.7.6 *Dependency Injector* framework strictly
follows `Semantic versioning`_ follows `Semantic versioning`_
4.26.0
------
- Add wiring by string id.
- Improve error message for ``Dependency`` provider missing attribute.
4.25.1 4.25.1
------ ------
- Amend docs and add another example for ``@containers.copy()`` decorator. - Amend docs and add another example for ``@containers.copy()`` decorator.

76
docs/wiring.rst
View File

@ -88,6 +88,82 @@ Also you can use ``Provide`` marker to inject a container.
:emphasize-lines: 16-19 :emphasize-lines: 16-19
:lines: 3- :lines: 3-
Strings identifiers
-------------------
You can use wiring with string identifiers. String identifier should match provider name in the container:
.. literalinclude:: ../examples/wiring/example_string_id.py
:language: python
:emphasize-lines: 17
:lines: 3-
With string identifiers you don't need to use a container to specify an injection.
To specify an injection from a nested container use point ``.`` as a separator:
.. code-block:: python
@inject
def foo(service: UserService = Provide['services.user']) -> None:
...
You can also use injection modifiers:
.. code-block:: python
from dependency_injector.wiring import (
inject,
Provide,
as_int,
as_float,
as_,
required,
invariant,
provided,
)
@inject
def foo(value: int = Provide['config.option', as_int()]) -> None:
...
@inject
def foo(value: float = Provide['config.option', as_float()]) -> None:
...
@inject
def foo(value: Decimal = Provide['config.option', as_(Decimal)]) -> None:
...
@inject
def foo(value: str = Provide['config.option', required()]) -> None:
...
@inject
def foo(value: int = Provide['config.option', required().as_int()]) -> None:
...
@inject
def foo(value: int = Provide['config.option', invariant('config.switch')]) -> None:
...
@inject
def foo(value: int = Provide['service', provided().foo['bar'].call()]) -> None:
...
To inject a container use special identifier ``<container>``:
.. code-block:: python
@inject
def foo(container: Container = Provide['<container>']) -> None:
...
Wiring with modules and packages Wiring with modules and packages
-------------------------------- --------------------------------

27
examples/wiring/example_string_id.py Normal file
View File

@ -0,0 +1,27 @@
"""Wiring string id example."""
import sys
from dependency_injector import containers, providers
from dependency_injector.wiring import inject, Provide
class Service:
...
class Container(containers.DeclarativeContainer):
service = providers.Factory(Service)
@inject
def main(service: Service = Provide['service']) -> None:
...
if __name__ == '__main__':
container = Container()
container.wire(modules=[sys.modules[__name__]])
main()

2
src/dependency_injector/__init__.py
View File

@ -1,6 +1,6 @@
"""Top-level package.""" """Top-level package."""
__version__ = '4.25.1' __version__ = '4.26.0'
"""Version number. """Version number.
:type: str :type: str

183
src/dependency_injector/providers.c
View File

@ -3561,18 +3561,18 @@ static PyObject *__pyx_builtin_IndexError;
static PyObject *__pyx_builtin_DeprecationWarning; static PyObject *__pyx_builtin_DeprecationWarning;
static PyObject *__pyx_builtin_NotImplementedError; static PyObject *__pyx_builtin_NotImplementedError;
static PyObject *__pyx_builtin_TypeError; static PyObject *__pyx_builtin_TypeError;
static PyObject *__pyx_builtin_hex;
static PyObject *__pyx_builtin_AttributeError; static PyObject *__pyx_builtin_AttributeError;
static PyObject *__pyx_builtin_hex;
static PyObject *__pyx_builtin_filter; static PyObject *__pyx_builtin_filter;
static PyObject *__pyx_builtin_IOError; static PyObject *__pyx_builtin_IOError;
static PyObject *__pyx_builtin_ValueError; static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_KeyError; static PyObject *__pyx_builtin_KeyError;
static PyObject *__pyx_builtin_StopIteration; static PyObject *__pyx_builtin_StopIteration;
static const char __pyx_k__2[] = "_"; static const char __pyx_k__2[] = "_";
static const char __pyx_k__5[] = "<"; static const char __pyx_k__5[] = "\"";
static const char __pyx_k__6[] = "."; static const char __pyx_k__6[] = "<";
static const char __pyx_k__7[] = "("; static const char __pyx_k__7[] = ".";
static const char __pyx_k__8[] = "\""; static const char __pyx_k__8[] = "(";
static const char __pyx_k__9[] = ">"; static const char __pyx_k__9[] = ">";
static const char __pyx_k_at[] = ") at "; static const char __pyx_k_at[] = ") at ";
static const char __pyx_k_id[] = "id"; static const char __pyx_k_id[] = "id";
@ -3694,7 +3694,6 @@ static const char __pyx_k_default[] = "default";
static const char __pyx_k_environ[] = "environ"; static const char __pyx_k_environ[] = "environ";
static const char __pyx_k_factory[] = "factory"; static const char __pyx_k_factory[] = "factory";
static const char __pyx_k_genexpr[] = "genexpr"; static const char __pyx_k_genexpr[] = "genexpr";
static const char __pyx_k_getattr[] = "__getattr__";
static const char __pyx_k_im_func[] = "im_func"; static const char __pyx_k_im_func[] = "im_func";
static const char __pyx_k_im_self[] = "im_self"; static const char __pyx_k_im_self[] = "im_self";
static const char __pyx_k_inspect[] = "inspect"; static const char __pyx_k_inspect[] = "inspect";
@ -3708,7 +3707,7 @@ static const char __pyx_k_visited[] = "visited";
static const char __pyx_k_Callable[] = "Callable"; static const char __pyx_k_Callable[] = "Callable";
static const char __pyx_k_Delegate[] = "Delegate"; static const char __pyx_k_Delegate[] = "Delegate";
static const char __pyx_k_KeyError[] = "KeyError"; static const char __pyx_k_KeyError[] = "KeyError";
static const char __pyx_k_Provider[] = "Provider"; static const char __pyx_k_Provider[] = "Provider \"";
static const char __pyx_k_Resource[] = "Resource"; static const char __pyx_k_Resource[] = "Resource";
static const char __pyx_k_Selector[] = "Selector"; static const char __pyx_k_Selector[] = "Selector";
static const char __pyx_k_StringIO[] = "StringIO"; static const char __pyx_k_StringIO[] = "StringIO";
@ -3771,6 +3770,7 @@ static const char __pyx_k_IndexError[] = "IndexError";
static const char __pyx_k_ItemGetter[] = "ItemGetter"; static const char __pyx_k_ItemGetter[] = "ItemGetter";
static const char __pyx_k_List___get[] = "List.__get__"; static const char __pyx_k_List___get[] = "List.__get__";
static const char __pyx_k_MethodType[] = "MethodType"; static const char __pyx_k_MethodType[] = "MethodType";
static const char __pyx_k_Provider_2[] = "Provider";
static const char __pyx_k_SafeLoader[] = "SafeLoader"; static const char __pyx_k_SafeLoader[] = "SafeLoader";
static const char __pyx_k_ValueError[] = "ValueError"; static const char __pyx_k_ValueError[] = "ValueError";
static const char __pyx_k_YamlLoader[] = "YamlLoader"; static const char __pyx_k_YamlLoader[] = "YamlLoader";
@ -3878,6 +3878,7 @@ static const char __pyx_k_ProvidedInstance[] = "ProvidedInstance";
static const char __pyx_k_Providers_module[] = "Providers module."; static const char __pyx_k_Providers_module[] = "Providers module.";
static const char __pyx_k_clear_attributes[] = "clear_attributes"; static const char __pyx_k_clear_attributes[] = "clear_attributes";
static const char __pyx_k_copy_overridings[] = "_copy_overridings"; static const char __pyx_k_copy_overridings[] = "_copy_overridings";
static const char __pyx_k_has_no_attribute[] = "\" has no attribute \"";
static const char __pyx_k_AbstractCoroutine[] = "AbstractCoroutine"; static const char __pyx_k_AbstractCoroutine[] = "AbstractCoroutine";
static const char __pyx_k_AbstractSingleton[] = "AbstractSingleton"; static const char __pyx_k_AbstractSingleton[] = "AbstractSingleton";
static const char __pyx_k_CoroutineDelegate[] = "CoroutineDelegate"; static const char __pyx_k_CoroutineDelegate[] = "CoroutineDelegate";
@ -4192,11 +4193,12 @@ static PyObject *__pyx_n_s_PickleError;
static PyObject *__pyx_n_s_PositionalInjection; static PyObject *__pyx_n_s_PositionalInjection;
static PyObject *__pyx_n_s_ProvidedInstance; static PyObject *__pyx_n_s_ProvidedInstance;
static PyObject *__pyx_n_s_ProvidedInstance___get; static PyObject *__pyx_n_s_ProvidedInstance___get;
static PyObject *__pyx_n_s_Provider; static PyObject *__pyx_kp_u_Provider;
static PyObject *__pyx_kp_s_Provider_0_could_not_be_overridd; static PyObject *__pyx_kp_s_Provider_0_could_not_be_overridd;
static PyObject *__pyx_kp_s_Provider_0_expected_to_get_calla; static PyObject *__pyx_kp_s_Provider_0_expected_to_get_calla;
static PyObject *__pyx_kp_s_Provider_0_expected_to_get_corou; static PyObject *__pyx_kp_s_Provider_0_expected_to_get_corou;
static PyObject *__pyx_kp_s_Provider_0_is_not_overridden; static PyObject *__pyx_kp_s_Provider_0_is_not_overridden;
static PyObject *__pyx_n_s_Provider_2;
static PyObject *__pyx_n_s_Provider___get; static PyObject *__pyx_n_s_Provider___get;
static PyObject *__pyx_n_s_Pyx_CFunc_object____object; static PyObject *__pyx_n_s_Pyx_CFunc_object____object;
static PyObject *__pyx_n_s_Pyx_CFunc_void____object____ob; static PyObject *__pyx_n_s_Pyx_CFunc_void____object____ob;
@ -4237,8 +4239,8 @@ static PyObject *__pyx_kp_u__31;
static PyObject *__pyx_kp_u__32; static PyObject *__pyx_kp_u__32;
static PyObject *__pyx_kp_s__49; static PyObject *__pyx_kp_s__49;
static PyObject *__pyx_kp_u__5; static PyObject *__pyx_kp_u__5;
static PyObject *__pyx_kp_s__6;
static PyObject *__pyx_kp_u__6; static PyObject *__pyx_kp_u__6;
static PyObject *__pyx_kp_s__7;
static PyObject *__pyx_kp_u__7; static PyObject *__pyx_kp_u__7;
static PyObject *__pyx_kp_u__8; static PyObject *__pyx_kp_u__8;
static PyObject *__pyx_kp_u__9; static PyObject *__pyx_kp_u__9;
@ -4344,8 +4346,8 @@ static PyObject *__pyx_n_s_get_2;
static PyObject *__pyx_n_s_get_name; static PyObject *__pyx_n_s_get_name;
static PyObject *__pyx_n_s_get_self_name; static PyObject *__pyx_n_s_get_self_name;
static PyObject *__pyx_n_s_get_self_name_locals_genexpr; static PyObject *__pyx_n_s_get_self_name_locals_genexpr;
static PyObject *__pyx_n_s_getattr;
static PyObject *__pyx_n_s_getstate; static PyObject *__pyx_n_s_getstate;
static PyObject *__pyx_kp_u_has_no_attribute;
static PyObject *__pyx_n_s_hex; static PyObject *__pyx_n_s_hex;
static PyObject *__pyx_n_s_id; static PyObject *__pyx_n_s_id;
static PyObject *__pyx_n_s_im_class; static PyObject *__pyx_n_s_im_class;
@ -15698,7 +15700,9 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_10Dependency_6__getat
PyObject *__pyx_t_2 = NULL; PyObject *__pyx_t_2 = NULL;
PyObject *__pyx_t_3 = NULL; PyObject *__pyx_t_3 = NULL;
int __pyx_t_4; int __pyx_t_4;
PyObject *__pyx_t_5 = NULL; Py_ssize_t __pyx_t_5;
Py_UCS4 __pyx_t_6;
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const char *__pyx_filename = NULL; const char *__pyx_filename = NULL;
int __pyx_clineno = 0; int __pyx_clineno = 0;
@ -15745,7 +15749,7 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_10Dependency_6__getat
* return getattr(self.__last_overriding, name) * return getattr(self.__last_overriding, name)
* elif self.__default is not UNDEFINED: # <<<<<<<<<<<<<< * elif self.__default is not UNDEFINED: # <<<<<<<<<<<<<<
* return getattr(self.__default, name) * return getattr(self.__default, name)
* return super().__getattr__(name) * raise AttributeError(f'Provider "{self.__class__.__name__}" has no attribute "{name}"')
*/ */
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@ -15758,7 +15762,7 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_10Dependency_6__getat
* return getattr(self.__last_overriding, name) * return getattr(self.__last_overriding, name)
* elif self.__default is not UNDEFINED: * elif self.__default is not UNDEFINED:
* return getattr(self.__default, name) # <<<<<<<<<<<<<< * return getattr(self.__default, name) # <<<<<<<<<<<<<<
* return super().__getattr__(name) * raise AttributeError(f'Provider "{self.__class__.__name__}" has no attribute "{name}"')
* *
*/ */
__Pyx_XDECREF(__pyx_r); __Pyx_XDECREF(__pyx_r);
@ -15776,50 +15780,62 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_10Dependency_6__getat
* return getattr(self.__last_overriding, name) * return getattr(self.__last_overriding, name)
* elif self.__default is not UNDEFINED: # <<<<<<<<<<<<<< * elif self.__default is not UNDEFINED: # <<<<<<<<<<<<<<
* return getattr(self.__default, name) * return getattr(self.__default, name)
* return super().__getattr__(name) * raise AttributeError(f'Provider "{self.__class__.__name__}" has no attribute "{name}"')
*/ */
} }
/* "dependency_injector/providers.pyx":688 /* "dependency_injector/providers.pyx":688
* elif self.__default is not UNDEFINED: * elif self.__default is not UNDEFINED:
* return getattr(self.__default, name) * return getattr(self.__default, name)
* return super().__getattr__(name) # <<<<<<<<<<<<<< * raise AttributeError(f'Provider "{self.__class__.__name__}" has no attribute "{name}"') # <<<<<<<<<<<<<<
* *
* def __str__(self): * def __str__(self):
*/ */
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* return result * return result
@ -15833,7 +15849,7 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_10Dependency_6__getat
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@ -15843,7 +15859,7 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_10Dependency_6__getat
} }
/* "dependency_injector/providers.pyx":690 /* "dependency_injector/providers.pyx":690
* return super().__getattr__(name) * raise AttributeError(f'Provider "{self.__class__.__name__}" has no attribute "{name}"')
* *
* def __str__(self): # <<<<<<<<<<<<<< * def __str__(self): # <<<<<<<<<<<<<<
* """Return string representation of provider. * """Return string representation of provider.
@ -15893,10 +15909,10 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_10Dependency_8__str__
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__pyx_t_4 = __Pyx_PyObject_FormatSimple(((PyObject *)__pyx_v_self->__pyx___provider), __pyx_empty_unicode); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 3991, __pyx_L1_error) __pyx_t_4 = __Pyx_PyObject_FormatSimple(((PyObject *)__pyx_v_self->__pyx___provider), __pyx_empty_unicode); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 3991, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4); __Pyx_GOTREF(__pyx_t_4);
__pyx_t_3 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_4) > __pyx_t_3) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_4) : __pyx_t_3; __pyx_t_3 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_4) > __pyx_t_3) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_4) : __pyx_t_3;
@ -83721,7 +83737,7 @@ static PyObject *__pyx_f_19dependency_injector_9providers_represent_provider(PyO
PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_5); PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_5);
__pyx_t_4 = 0; __pyx_t_4 = 0;
__pyx_t_5 = 0; __pyx_t_5 = 0;
__pyx_t_5 = __Pyx_PyString_Join(__pyx_kp_s__6, __pyx_t_3); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 4248, __pyx_L1_error) __pyx_t_5 = __Pyx_PyString_Join(__pyx_kp_s__7, __pyx_t_3); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 4248, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5); __Pyx_GOTREF(__pyx_t_5);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
if (PyDict_SetItem(__pyx_t_2, __pyx_n_s_provider, __pyx_t_5) < 0) __PYX_ERR(1, 4248, __pyx_L1_error) if (PyDict_SetItem(__pyx_t_2, __pyx_n_s_provider, __pyx_t_5) < 0) __PYX_ERR(1, 4248, __pyx_L1_error)
@ -121363,11 +121379,12 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
{&__pyx_n_s_PositionalInjection, __pyx_k_PositionalInjection, sizeof(__pyx_k_PositionalInjection), 0, 0, 1, 1}, {&__pyx_n_s_PositionalInjection, __pyx_k_PositionalInjection, sizeof(__pyx_k_PositionalInjection), 0, 0, 1, 1},
{&__pyx_n_s_ProvidedInstance, __pyx_k_ProvidedInstance, sizeof(__pyx_k_ProvidedInstance), 0, 0, 1, 1}, {&__pyx_n_s_ProvidedInstance, __pyx_k_ProvidedInstance, sizeof(__pyx_k_ProvidedInstance), 0, 0, 1, 1},
{&__pyx_n_s_ProvidedInstance___get, __pyx_k_ProvidedInstance___get, sizeof(__pyx_k_ProvidedInstance___get), 0, 0, 1, 1}, {&__pyx_n_s_ProvidedInstance___get, __pyx_k_ProvidedInstance___get, sizeof(__pyx_k_ProvidedInstance___get), 0, 0, 1, 1},
{&__pyx_n_s_Provider, __pyx_k_Provider, sizeof(__pyx_k_Provider), 0, 0, 1, 1}, {&__pyx_kp_u_Provider, __pyx_k_Provider, sizeof(__pyx_k_Provider), 0, 1, 0, 0},
{&__pyx_kp_s_Provider_0_could_not_be_overridd, __pyx_k_Provider_0_could_not_be_overridd, sizeof(__pyx_k_Provider_0_could_not_be_overridd), 0, 0, 1, 0}, {&__pyx_kp_s_Provider_0_could_not_be_overridd, __pyx_k_Provider_0_could_not_be_overridd, sizeof(__pyx_k_Provider_0_could_not_be_overridd), 0, 0, 1, 0},
{&__pyx_kp_s_Provider_0_expected_to_get_calla, __pyx_k_Provider_0_expected_to_get_calla, sizeof(__pyx_k_Provider_0_expected_to_get_calla), 0, 0, 1, 0}, {&__pyx_kp_s_Provider_0_expected_to_get_calla, __pyx_k_Provider_0_expected_to_get_calla, sizeof(__pyx_k_Provider_0_expected_to_get_calla), 0, 0, 1, 0},
{&__pyx_kp_s_Provider_0_expected_to_get_corou, __pyx_k_Provider_0_expected_to_get_corou, sizeof(__pyx_k_Provider_0_expected_to_get_corou), 0, 0, 1, 0}, {&__pyx_kp_s_Provider_0_expected_to_get_corou, __pyx_k_Provider_0_expected_to_get_corou, sizeof(__pyx_k_Provider_0_expected_to_get_corou), 0, 0, 1, 0},
{&__pyx_kp_s_Provider_0_is_not_overridden, __pyx_k_Provider_0_is_not_overridden, sizeof(__pyx_k_Provider_0_is_not_overridden), 0, 0, 1, 0}, {&__pyx_kp_s_Provider_0_is_not_overridden, __pyx_k_Provider_0_is_not_overridden, sizeof(__pyx_k_Provider_0_is_not_overridden), 0, 0, 1, 0},
{&__pyx_n_s_Provider_2, __pyx_k_Provider_2, sizeof(__pyx_k_Provider_2), 0, 0, 1, 1},
{&__pyx_n_s_Provider___get, __pyx_k_Provider___get, sizeof(__pyx_k_Provider___get), 0, 0, 1, 1}, {&__pyx_n_s_Provider___get, __pyx_k_Provider___get, sizeof(__pyx_k_Provider___get), 0, 0, 1, 1},
{&__pyx_n_s_Pyx_CFunc_object____object, __pyx_k_Pyx_CFunc_object____object, sizeof(__pyx_k_Pyx_CFunc_object____object), 0, 0, 1, 1}, {&__pyx_n_s_Pyx_CFunc_object____object, __pyx_k_Pyx_CFunc_object____object, sizeof(__pyx_k_Pyx_CFunc_object____object), 0, 0, 1, 1},
{&__pyx_n_s_Pyx_CFunc_void____object____ob, __pyx_k_Pyx_CFunc_void____object____ob, sizeof(__pyx_k_Pyx_CFunc_void____object____ob), 0, 0, 1, 1}, {&__pyx_n_s_Pyx_CFunc_void____object____ob, __pyx_k_Pyx_CFunc_void____object____ob, sizeof(__pyx_k_Pyx_CFunc_void____object____ob), 0, 0, 1, 1},
@ -121408,8 +121425,8 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
{&__pyx_kp_u__32, __pyx_k__32, sizeof(__pyx_k__32), 0, 1, 0, 0}, {&__pyx_kp_u__32, __pyx_k__32, sizeof(__pyx_k__32), 0, 1, 0, 0},
{&__pyx_kp_s__49, __pyx_k__49, sizeof(__pyx_k__49), 0, 0, 1, 0}, {&__pyx_kp_s__49, __pyx_k__49, sizeof(__pyx_k__49), 0, 0, 1, 0},
{&__pyx_kp_u__5, __pyx_k__5, sizeof(__pyx_k__5), 0, 1, 0, 0}, {&__pyx_kp_u__5, __pyx_k__5, sizeof(__pyx_k__5), 0, 1, 0, 0},
{&__pyx_kp_s__6, __pyx_k__6, sizeof(__pyx_k__6), 0, 0, 1, 0},
{&__pyx_kp_u__6, __pyx_k__6, sizeof(__pyx_k__6), 0, 1, 0, 0}, {&__pyx_kp_u__6, __pyx_k__6, sizeof(__pyx_k__6), 0, 1, 0, 0},
{&__pyx_kp_s__7, __pyx_k__7, sizeof(__pyx_k__7), 0, 0, 1, 0},
{&__pyx_kp_u__7, __pyx_k__7, sizeof(__pyx_k__7), 0, 1, 0, 0}, {&__pyx_kp_u__7, __pyx_k__7, sizeof(__pyx_k__7), 0, 1, 0, 0},
{&__pyx_kp_u__8, __pyx_k__8, sizeof(__pyx_k__8), 0, 1, 0, 0}, {&__pyx_kp_u__8, __pyx_k__8, sizeof(__pyx_k__8), 0, 1, 0, 0},
{&__pyx_kp_u__9, __pyx_k__9, sizeof(__pyx_k__9), 0, 1, 0, 0}, {&__pyx_kp_u__9, __pyx_k__9, sizeof(__pyx_k__9), 0, 1, 0, 0},
@ -121515,8 +121532,8 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
{&__pyx_n_s_get_name, __pyx_k_get_name, sizeof(__pyx_k_get_name), 0, 0, 1, 1}, {&__pyx_n_s_get_name, __pyx_k_get_name, sizeof(__pyx_k_get_name), 0, 0, 1, 1},
{&__pyx_n_s_get_self_name, __pyx_k_get_self_name, sizeof(__pyx_k_get_self_name), 0, 0, 1, 1}, {&__pyx_n_s_get_self_name, __pyx_k_get_self_name, sizeof(__pyx_k_get_self_name), 0, 0, 1, 1},
{&__pyx_n_s_get_self_name_locals_genexpr, __pyx_k_get_self_name_locals_genexpr, sizeof(__pyx_k_get_self_name_locals_genexpr), 0, 0, 1, 1}, {&__pyx_n_s_get_self_name_locals_genexpr, __pyx_k_get_self_name_locals_genexpr, sizeof(__pyx_k_get_self_name_locals_genexpr), 0, 0, 1, 1},
{&__pyx_n_s_getattr, __pyx_k_getattr, sizeof(__pyx_k_getattr), 0, 0, 1, 1},
{&__pyx_n_s_getstate, __pyx_k_getstate, sizeof(__pyx_k_getstate), 0, 0, 1, 1}, {&__pyx_n_s_getstate, __pyx_k_getstate, sizeof(__pyx_k_getstate), 0, 0, 1, 1},
{&__pyx_kp_u_has_no_attribute, __pyx_k_has_no_attribute, sizeof(__pyx_k_has_no_attribute), 0, 1, 0, 0},
{&__pyx_n_s_hex, __pyx_k_hex, sizeof(__pyx_k_hex), 0, 0, 1, 1}, {&__pyx_n_s_hex, __pyx_k_hex, sizeof(__pyx_k_hex), 0, 0, 1, 1},
{&__pyx_n_s_id, __pyx_k_id, sizeof(__pyx_k_id), 0, 0, 1, 1}, {&__pyx_n_s_id, __pyx_k_id, sizeof(__pyx_k_id), 0, 0, 1, 1},
{&__pyx_n_s_im_class, __pyx_k_im_class, sizeof(__pyx_k_im_class), 0, 0, 1, 1}, {&__pyx_n_s_im_class, __pyx_k_im_class, sizeof(__pyx_k_im_class), 0, 0, 1, 1},
@ -121740,8 +121757,8 @@ static CYTHON_SMALL_CODE int __Pyx_InitCachedBuiltins(void) {
__pyx_builtin_DeprecationWarning = __Pyx_GetBuiltinName(__pyx_n_s_DeprecationWarning); if (!__pyx_builtin_DeprecationWarning) __PYX_ERR(1, 325, __pyx_L1_error) __pyx_builtin_DeprecationWarning = __Pyx_GetBuiltinName(__pyx_n_s_DeprecationWarning); if (!__pyx_builtin_DeprecationWarning) __PYX_ERR(1, 325, __pyx_L1_error)
__pyx_builtin_NotImplementedError = __Pyx_GetBuiltinName(__pyx_n_s_NotImplementedError); if (!__pyx_builtin_NotImplementedError) __PYX_ERR(1, 385, __pyx_L1_error) __pyx_builtin_NotImplementedError = __Pyx_GetBuiltinName(__pyx_n_s_NotImplementedError); if (!__pyx_builtin_NotImplementedError) __PYX_ERR(1, 385, __pyx_L1_error)
__pyx_builtin_TypeError = __Pyx_GetBuiltinName(__pyx_n_s_TypeError); if (!__pyx_builtin_TypeError) __PYX_ERR(1, 608, __pyx_L1_error) __pyx_builtin_TypeError = __Pyx_GetBuiltinName(__pyx_n_s_TypeError); if (!__pyx_builtin_TypeError) __PYX_ERR(1, 608, __pyx_L1_error)
__pyx_builtin_AttributeError = __Pyx_GetBuiltinName(__pyx_n_s_AttributeError); if (!__pyx_builtin_AttributeError) __PYX_ERR(1, 688, __pyx_L1_error)
__pyx_builtin_hex = __Pyx_GetBuiltinName(__pyx_n_s_hex); if (!__pyx_builtin_hex) __PYX_ERR(1, 696, __pyx_L1_error) __pyx_builtin_hex = __Pyx_GetBuiltinName(__pyx_n_s_hex); if (!__pyx_builtin_hex) __PYX_ERR(1, 696, __pyx_L1_error)
__pyx_builtin_AttributeError = __Pyx_GetBuiltinName(__pyx_n_s_AttributeError); if (!__pyx_builtin_AttributeError) __PYX_ERR(1, 880, __pyx_L1_error)
__pyx_builtin_filter = __Pyx_GetBuiltinName(__pyx_n_s_filter); if (!__pyx_builtin_filter) __PYX_ERR(1, 1193, __pyx_L1_error) __pyx_builtin_filter = __Pyx_GetBuiltinName(__pyx_n_s_filter); if (!__pyx_builtin_filter) __PYX_ERR(1, 1193, __pyx_L1_error)
__pyx_builtin_IOError = __Pyx_GetBuiltinName(__pyx_n_s_IOError); if (!__pyx_builtin_IOError) __PYX_ERR(1, 1536, __pyx_L1_error) __pyx_builtin_IOError = __Pyx_GetBuiltinName(__pyx_n_s_IOError); if (!__pyx_builtin_IOError) __PYX_ERR(1, 1536, __pyx_L1_error)
__pyx_builtin_ValueError = __Pyx_GetBuiltinName(__pyx_n_s_ValueError); if (!__pyx_builtin_ValueError) __PYX_ERR(1, 1648, __pyx_L1_error) __pyx_builtin_ValueError = __Pyx_GetBuiltinName(__pyx_n_s_ValueError); if (!__pyx_builtin_ValueError) __PYX_ERR(1, 1648, __pyx_L1_error)
@ -122356,7 +122373,7 @@ static int __Pyx_modinit_type_init_code(void) {
} }
#endif #endif
if (__Pyx_SetVtable(__pyx_type_19dependency_injector_9providers_Provider.tp_dict, __pyx_vtabptr_19dependency_injector_9providers_Provider) < 0) __PYX_ERR(1, 119, __pyx_L1_error) if (__Pyx_SetVtable(__pyx_type_19dependency_injector_9providers_Provider.tp_dict, __pyx_vtabptr_19dependency_injector_9providers_Provider) < 0) __PYX_ERR(1, 119, __pyx_L1_error)
if (PyObject_SetAttr(__pyx_m, __pyx_n_s_Provider, (PyObject *)&__pyx_type_19dependency_injector_9providers_Provider) < 0) __PYX_ERR(1, 119, __pyx_L1_error) if (PyObject_SetAttr(__pyx_m, __pyx_n_s_Provider_2, (PyObject *)&__pyx_type_19dependency_injector_9providers_Provider) < 0) __PYX_ERR(1, 119, __pyx_L1_error)
if (__Pyx_setup_reduce((PyObject*)&__pyx_type_19dependency_injector_9providers_Provider) < 0) __PYX_ERR(1, 119, __pyx_L1_error) if (__Pyx_setup_reduce((PyObject*)&__pyx_type_19dependency_injector_9providers_Provider) < 0) __PYX_ERR(1, 119, __pyx_L1_error)
__pyx_ptype_19dependency_injector_9providers_Provider = &__pyx_type_19dependency_injector_9providers_Provider; __pyx_ptype_19dependency_injector_9providers_Provider = &__pyx_type_19dependency_injector_9providers_Provider;
__pyx_vtabptr_19dependency_injector_9providers_Object = &__pyx_vtable_19dependency_injector_9providers_Object; __pyx_vtabptr_19dependency_injector_9providers_Object = &__pyx_vtable_19dependency_injector_9providers_Object;

2
src/dependency_injector/providers.pyx
View File

@ -685,7 +685,7 @@ cdef class Dependency(Provider):
return getattr(self.__last_overriding, name) return getattr(self.__last_overriding, name)
elif self.__default is not UNDEFINED: elif self.__default is not UNDEFINED:
return getattr(self.__default, name) return getattr(self.__default, name)
return super().__getattr__(name) raise AttributeError(f'Provider "{self.__class__.__name__}" has no attribute "{name}"')
def __str__(self): def __str__(self):
"""Return string representation of provider. """Return string representation of provider.

193
src/dependency_injector/wiring.py
View File

@ -50,6 +50,12 @@ __all__ = (
'wire', 'wire',
'unwire', 'unwire',
'inject', 'inject',
'as_int',
'as_float',
'as_',
'required',
'invariant',
'provided',
'Provide', 'Provide',
'Provider', 'Provider',
'Closing', 'Closing',
@ -85,16 +91,23 @@ _patched_registry = Registry()
class ProvidersMap: class ProvidersMap:
CONTAINER_STRING_ID = '<container>'
def __init__(self, container): def __init__(self, container):
self._container = container self._container = container
self._map = self._create_providers_map( self._map = self._create_providers_map(
current_container=container, current_container=container,
original_container=container.declarative_parent, original_container=(
container.declarative_parent
if container.declarative_parent
else container
),
) )
def resolve_provider( def resolve_provider(
self, self,
provider: providers.Provider, provider: Union[providers.Provider, str],
modifier: Optional['Modifier'] = None,
) -> Optional[providers.Provider]: ) -> Optional[providers.Provider]:
if isinstance(provider, providers.Delegate): if isinstance(provider, providers.Delegate):
return self._resolve_delegate(provider) return self._resolve_delegate(provider)
@ -109,14 +122,29 @@ class ProvidersMap:
return self._resolve_config_option(provider) return self._resolve_config_option(provider)
elif isinstance(provider, providers.TypedConfigurationOption): elif isinstance(provider, providers.TypedConfigurationOption):
return self._resolve_config_option(provider.option, as_=provider.provides) return self._resolve_config_option(provider.option, as_=provider.provides)
elif isinstance(provider, str):
return self._resolve_string_id(provider, modifier)
else: else:
return self._resolve_provider(provider) return self._resolve_provider(provider)
def _resolve_delegate( def _resolve_string_id(
self, self,
original: providers.Delegate, id: str,
modifier: Optional['Modifier'] = None,
) -> Optional[providers.Provider]: ) -> Optional[providers.Provider]:
return self._resolve_provider(original.provides) if id == self.CONTAINER_STRING_ID:
return self._container.__self__
provider = self._container
for segment in id.split('.'):
try:
provider = getattr(provider, segment)
except AttributeError:
return None
if modifier:
provider = modifier.modify(provider, providers_map=self)
return provider
def _resolve_provided_instance( def _resolve_provided_instance(
self, self,
@ -151,6 +179,12 @@ class ProvidersMap:
return new return new
def _resolve_delegate(
self,
original: providers.Delegate,
) -> Optional[providers.Provider]:
return self._resolve_provider(original.provides)
def _resolve_config_option( def _resolve_config_option(
self, self,
original: providers.ConfigurationOption, original: providers.ConfigurationOption,
@ -184,7 +218,7 @@ class ProvidersMap:
try: try:
return self._map[original] return self._map[original]
except KeyError: except KeyError:
pass return None
@classmethod @classmethod
def _create_providers_map( def _create_providers_map(
@ -381,7 +415,7 @@ def _fetch_reference_injections(
def _bind_injections(fn: Callable[..., Any], providers_map: ProvidersMap) -> None: def _bind_injections(fn: Callable[..., Any], providers_map: ProvidersMap) -> None:
for injection, marker in fn.__reference_injections__.items(): for injection, marker in fn.__reference_injections__.items():
provider = providers_map.resolve_provider(marker.provider) provider = providers_map.resolve_provider(marker.provider, marker.modifier)
if provider is None: if provider is None:
continue continue
@ -516,20 +550,161 @@ def _is_declarative_container(instance: Any) -> bool:
and getattr(instance, 'declarative_parent', None) is None) and getattr(instance, 'declarative_parent', None) is None)
class Modifier:
def modify(
self,
provider: providers.ConfigurationOption,
providers_map: ProvidersMap,
) -> providers.Provider:
...
class TypeModifier(Modifier):
def __init__(self, type_: Type):
self.type_ = type_
def modify(
self,
provider: providers.ConfigurationOption,
providers_map: ProvidersMap,
) -> providers.Provider:
return provider.as_(self.type_)
def as_int() -> TypeModifier:
"""Return int type modifier."""
return TypeModifier(int)
def as_float() -> TypeModifier:
"""Return float type modifier."""
return TypeModifier(float)
def as_(type_: Type) -> TypeModifier:
"""Return custom type modifier."""
return TypeModifier(type_)
class RequiredModifier(Modifier):
def __init__(self):
self.type_modifier = None
def as_int(self) -> 'RequiredModifier':
self.type_modifier = TypeModifier(int)
return self
def as_float(self) -> 'RequiredModifier':
self.type_modifier = TypeModifier(float)
return self
def as_(self, type_: Type) -> 'RequiredModifier':
self.type_modifier = TypeModifier(type_)
return self
def modify(
self,
provider: providers.ConfigurationOption,
providers_map: ProvidersMap,
) -> providers.Provider:
provider = provider.required()
if self.type_modifier:
provider = provider.as_(self.type_modifier.type_)
return provider
def required() -> RequiredModifier:
"""Return required modifier."""
return RequiredModifier()
class InvariantModifier(Modifier):
def __init__(self, id: str) -> None:
self.id = id
def modify(
self,
provider: providers.ConfigurationOption,
providers_map: ProvidersMap,
) -> providers.Provider:
invariant_segment = providers_map.resolve_provider(self.id)
return provider[invariant_segment]
def invariant(id: str) -> InvariantModifier:
"""Return invariant modifier."""
return InvariantModifier(id)
class ProvidedInstance(Modifier):
TYPE_ATTRIBUTE = 'attr'
TYPE_ITEM = 'item'
TYPE_CALL = 'call'
def __init__(self):
self.segments = []
def __getattr__(self, item):
self.segments.append((self.TYPE_ATTRIBUTE, item))
return self
def __getitem__(self, item):
self.segments.append((self.TYPE_ITEM, item))
return self
def call(self):
self.segments.append((self.TYPE_CALL, None))
return self
def modify(
self,
provider: providers.ConfigurationOption,
providers_map: ProvidersMap,
) -> providers.Provider:
provider = provider.provided
for type_, value in self.segments:
if type_ == ProvidedInstance.TYPE_ATTRIBUTE:
provider = getattr(provider, value)
elif type_ == ProvidedInstance.TYPE_ITEM:
provider = provider[value]
elif type_ == ProvidedInstance.TYPE_CALL:
provider = provider.call()
return provider
def provided() -> ProvidedInstance:
"""Return provided instance modifier."""
return ProvidedInstance()
class ClassGetItemMeta(GenericMeta): class ClassGetItemMeta(GenericMeta):
def __getitem__(cls, item): def __getitem__(cls, item):
# Spike for Python 3.6 # Spike for Python 3.6
if isinstance(item, tuple):
return cls(*item)
return cls(item) return cls(item)
class _Marker(Generic[T], metaclass=ClassGetItemMeta): class _Marker(Generic[T], metaclass=ClassGetItemMeta):
def __init__(self, provider: Union[providers.Provider, Container]) -> None: def __init__(
self,
provider: Union[providers.Provider, Container, str],
modifier: Optional[Modifier] = None,
) -> None:
if _is_declarative_container(provider): if _is_declarative_container(provider):
provider = provider.__self__ provider = provider.__self__
self.provider: providers.Provider = provider self.provider = provider
self.modifier = modifier
def __class_getitem__(cls, item) -> T: def __class_getitem__(cls, item) -> T:
if isinstance(item, tuple):
return cls(*item)
return cls(item) return cls(item)
def __call__(self) -> T: def __call__(self) -> T:

0
tests/unit/samples/wiringstringidssamples/__init__.py Normal file
View File

50
tests/unit/samples/wiringstringidssamples/asyncinjections.py Normal file
View File

@ -0,0 +1,50 @@
import asyncio
from dependency_injector import containers, providers
from dependency_injector.wiring import inject, Provide, Closing
class TestResource:
def __init__(self):
self.init_counter = 0
self.shutdown_counter = 0
def reset_counters(self):
self.init_counter = 0
self.shutdown_counter = 0
resource1 = TestResource()
resource2 = TestResource()
async def async_resource(resource):
await asyncio.sleep(0.001)
resource.init_counter += 1
yield resource
await asyncio.sleep(0.001)
resource.shutdown_counter += 1
class Container(containers.DeclarativeContainer):
resource1 = providers.Resource(async_resource, providers.Object(resource1))
resource2 = providers.Resource(async_resource, providers.Object(resource2))
@inject
async def async_injection(
resource1: object = Provide['resource1'],
resource2: object = Provide['resource2'],
):
return resource1, resource2
@inject
async def async_injection_with_closing(
resource1: object = Closing[Provide['resource1']],
resource2: object = Closing[Provide['resource2']],
):
return resource1, resource2

17
tests/unit/samples/wiringstringidssamples/container.py Normal file
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from dependency_injector import containers, providers
from .service import Service
class SubContainer(containers.DeclarativeContainer):
int_object = providers.Object(1)
class Container(containers.DeclarativeContainer):
config = providers.Configuration()
service = providers.Factory(Service)
sub = providers.Container(SubContainer)

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"""Test module for wiring."""
from decimal import Decimal
from typing import Callable
from dependency_injector.wiring import inject, Provide, Provider, as_int, as_, required, invariant, provided
from .container import Container
from .service import Service
class TestClass:
@inject
def __init__(self, service: Service = Provide['service']):
self.service = service
@inject
def method(self, service: Service = Provide['service']):
return service
@classmethod
@inject
def class_method(cls, service: Service = Provide['service']):
return service
@staticmethod
@inject
def static_method(service: Service = Provide['service']):
return service
@inject
def test_function(service: Service = Provide['service']):
return service
@inject
def test_function_provider(service_provider: Callable[..., Service] = Provider['service']):
service = service_provider()
return service
@inject
def test_config_value(
value_int: int = Provide['config.a.b.c', as_int()],
value_str: str = Provide['config.a.b.c', as_(str)],
value_decimal: Decimal = Provide['config.a.b.c', as_(Decimal)],
value_required: str = Provide['config.a.b.c', required()],
value_required_int: int = Provide['config.a.b.c', required().as_int()],
value_required_str: str = Provide['config.a.b.c', required().as_(str)],
value_required_decimal: str = Provide['config.a.b.c', required().as_(Decimal)],
):
return (
value_int,
value_str,
value_decimal,
value_required,
value_required_int,
value_required_str,
value_required_decimal,
)
@inject
def test_config_value_required_undefined(
value_required: int = Provide['config.a.b.c', required()],
):
return value_required
@inject
def test_provide_provider(service_provider: Callable[..., Service] = Provide['service.provider']):
service = service_provider()
return service
@inject
def test_provided_instance(some_value: int = Provide['service', provided().foo['bar'].call()]):
return some_value
@inject
def test_subcontainer_provider(some_value: int = Provide['sub.int_object']):
return some_value
@inject
def test_config_invariant(some_value: int = Provide['config.option', invariant('config.switch')]):
return some_value
@inject
def test_provide_from_different_containers(
service: Service = Provide['service'],
some_value: int = Provide['int_object'],
):
return service, some_value
class ClassDecorator:
def __init__(self, fn):
self._fn = fn
def __call__(self, *args, **kwargs):
return self._fn(*args, **kwargs)
@ClassDecorator
@inject
def test_class_decorator(service: Service = Provide['service']):
return service
def test_container(container: Container = Provide['<container>']):
return container.service()

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import sys
if sys.version_info >= (3, 6):
from dependency_injector.wiring import Provide
from ..container import Container
from ..service import Service
def test_package_function(service: Service = Provide[Container.service]):
return service

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import sys
if sys.version_info >= (3, 6):
from dependency_injector.wiring import Provide
from ...container import Container
from ...service import Service
def test_package_function(service: Service = Provide[Container.service]):
return service

8
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from dependency_injector.wiring import inject, Provide
from ...service import Service
@inject
def test_function(service: Service = Provide['service']):
return service

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tests/unit/samples/wiringstringidssamples/resourceclosing.py Normal file
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from dependency_injector import containers, providers
from dependency_injector.wiring import inject, Provide, Closing
class Service:
init_counter: int = 0
shutdown_counter: int = 0
@classmethod
def reset_counter(cls):
cls.init_counter = 0
cls.shutdown_counter = 0
@classmethod
def init(cls):
cls.init_counter += 1
@classmethod
def shutdown(cls):
cls.shutdown_counter += 1
def init_service():
service = Service()
service.init()
yield service
service.shutdown()
class Container(containers.DeclarativeContainer):
service = providers.Resource(init_service)
@inject
def test_function(service: Service = Closing[Provide['service']]):
return service

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class Service:
service_attr: int

3
tests/unit/wiring/test_wiring_py36.py
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@ -169,6 +169,9 @@ class WiringTest(unittest.TestCase):
} }
self.container.config.from_dict(config) self.container.config.from_dict(config)
value_default = module.test_config_invariant()
self.assertEqual(value_default, 1)
with self.container.config.switch.override('a'): with self.container.config.switch.override('a'):
value_a = module.test_config_invariant() value_a = module.test_config_invariant()
self.assertEqual(value_a, 1) self.assertEqual(value_a, 1)

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import contextlib
from decimal import Decimal
import importlib
import unittest
from dependency_injector.wiring import (
wire,
Provide,
Closing,
register_loader_containers,
unregister_loader_containers,
)
from dependency_injector import errors
# Runtime import to avoid syntax errors in samples on Python < 3.5
import os
_TOP_DIR = os.path.abspath(
os.path.sep.join((
os.path.dirname(__file__),
'../',
)),
)
_SAMPLES_DIR = os.path.abspath(
os.path.sep.join((
os.path.dirname(__file__),
'../samples/',
)),
)
import sys
sys.path.append(_TOP_DIR)
sys.path.append(_SAMPLES_DIR)
from asyncutils import AsyncTestCase
from wiringstringidssamples import module, package
from wiringstringidssamples.service import Service
from wiringstringidssamples.container import Container, SubContainer
class WiringTest(unittest.TestCase):
container: Container
def setUp(self) -> None:
self.container = Container(config={'a': {'b': {'c': 10}}})
self.container.wire(
modules=[module],
packages=[package],
)
self.addCleanup(self.container.unwire)
def test_package_lookup(self):
from wiringstringidssamples.package import test_package_function
service = test_package_function()
self.assertIsInstance(service, Service)
def test_package_subpackage_lookup(self):
from wiringstringidssamples.package.subpackage import test_package_function
service = test_package_function()
self.assertIsInstance(service, Service)
def test_package_submodule_lookup(self):
from wiringstringidssamples.package.subpackage.submodule import test_function
service = test_function()
self.assertIsInstance(service, Service)
def test_class_wiring(self):
test_class_object = module.TestClass()
self.assertIsInstance(test_class_object.service, Service)
def test_class_wiring_context_arg(self):
test_service = self.container.service()
test_class_object = module.TestClass(service=test_service)
self.assertIs(test_class_object.service, test_service)
def test_class_method_wiring(self):
test_class_object = module.TestClass()
service = test_class_object.method()
self.assertIsInstance(service, Service)
def test_class_classmethod_wiring(self):
service = module.TestClass.class_method()
self.assertIsInstance(service, Service)
def test_instance_classmethod_wiring(self):
instance = module.TestClass()
service = instance.class_method()
self.assertIsInstance(service, Service)
def test_class_staticmethod_wiring(self):
service = module.TestClass.static_method()
self.assertIsInstance(service, Service)
def test_instance_staticmethod_wiring(self):
instance = module.TestClass()
service = instance.static_method()
self.assertIsInstance(service, Service)
def test_function_wiring(self):
service = module.test_function()
self.assertIsInstance(service, Service)
def test_function_wiring_context_arg(self):
test_service = self.container.service()
service = module.test_function(service=test_service)
self.assertIs(service, test_service)
def test_function_wiring_provider(self):
service = module.test_function_provider()
self.assertIsInstance(service, Service)
def test_function_wiring_provider_context_arg(self):
test_service = self.container.service()
service = module.test_function_provider(service_provider=lambda: test_service)
self.assertIs(service, test_service)
def test_configuration_option(self):
(
value_int,
value_str,
value_decimal,
value_required,
value_required_int,
value_required_str,
value_required_decimal,
) = module.test_config_value()
self.assertEqual(value_int, 10)
self.assertEqual(value_str, '10')
self.assertEqual(value_decimal, Decimal(10))
self.assertEqual(value_required, 10)
self.assertEqual(value_required_int, 10)
self.assertEqual(value_required_str, '10')
self.assertEqual(value_required_decimal, Decimal(10))
def test_configuration_option_required_undefined(self):
self.container.config.reset_override()
with self.assertRaisesRegex(errors.Error, 'Undefined configuration option "config.a.b.c"'):
module.test_config_value_required_undefined()
def test_provide_provider(self):
service = module.test_provide_provider()
self.assertIsInstance(service, Service)
def test_provided_instance(self):
class TestService:
foo = {
'bar': lambda: 10,
}
with self.container.service.override(TestService()):
some_value = module.test_provided_instance()
self.assertEqual(some_value, 10)
def test_subcontainer(self):
some_value = module.test_subcontainer_provider()
self.assertEqual(some_value, 1)
def test_config_invariant(self):
config = {
'option': {
'a': 1,
'b': 2,
},
'switch': 'a',
}
self.container.config.from_dict(config)
value_default = module.test_config_invariant()
self.assertEqual(value_default, 1)
with self.container.config.switch.override('a'):
value_a = module.test_config_invariant()
self.assertEqual(value_a, 1)
with self.container.config.switch.override('b'):
value_b = module.test_config_invariant()
self.assertEqual(value_b, 2)
def test_wire_with_class_error(self):
with self.assertRaises(Exception):
wire(
container=Container,
modules=[module],
)
def test_unwire_function(self):
self.container.unwire()
self.assertIsInstance(module.test_function(), Provide)
def test_unwire_class(self):
self.container.unwire()
test_class_object = module.TestClass()
self.assertIsInstance(test_class_object.service, Provide)
def test_unwire_class_method(self):
self.container.unwire()
test_class_object = module.TestClass()
self.assertIsInstance(test_class_object.method(), Provide)
def test_unwire_package_function(self):
self.container.unwire()
from wiringstringidssamples.package.subpackage.submodule import test_function
self.assertIsInstance(test_function(), Provide)
def test_unwire_package_function_by_reference(self):
from wiringstringidssamples.package.subpackage import submodule
self.container.unwire()
self.assertIsInstance(submodule.test_function(), Provide)
def test_wire_multiple_containers(self):
sub_container = SubContainer()
sub_container.wire(
modules=[module],
packages=[package],
)
self.addCleanup(sub_container.unwire)
service, some_value = module.test_provide_from_different_containers()
self.assertIsInstance(service, Service)
self.assertEqual(some_value, 1)
def test_closing_resource(self):
from wiringstringidssamples import resourceclosing
resourceclosing.Service.reset_counter()
container = resourceclosing.Container()
container.wire(modules=[resourceclosing])
self.addCleanup(container.unwire)
result_1 = resourceclosing.test_function()
self.assertIsInstance(result_1, resourceclosing.Service)
self.assertEqual(result_1.init_counter, 1)
self.assertEqual(result_1.shutdown_counter, 1)
result_2 = resourceclosing.test_function()
self.assertIsInstance(result_2, resourceclosing.Service)
self.assertEqual(result_2.init_counter, 2)
self.assertEqual(result_2.shutdown_counter, 2)
self.assertIsNot(result_1, result_2)
def test_closing_resource_context(self):
from wiringstringidssamples import resourceclosing
resourceclosing.Service.reset_counter()
service = resourceclosing.Service()
container = resourceclosing.Container()
container.wire(modules=[resourceclosing])
self.addCleanup(container.unwire)
result_1 = resourceclosing.test_function(service=service)
self.assertIs(result_1, service)
self.assertEqual(result_1.init_counter, 0)
self.assertEqual(result_1.shutdown_counter, 0)
result_2 = resourceclosing.test_function(service=service)
self.assertIs(result_2, service)
self.assertEqual(result_2.init_counter, 0)
self.assertEqual(result_2.shutdown_counter, 0)
def test_class_decorator(self):
service = module.test_class_decorator()
self.assertIsInstance(service, Service)
def test_container(self):
service = module.test_container()
self.assertIsInstance(service, Service)
class WiringAndFastAPITest(unittest.TestCase):
container: Container
def test_bypass_marker_injection(self):
container = Container()
container.wire(modules=[module])
self.addCleanup(container.unwire)
service = module.test_function(service=Provide[Container.service])
self.assertIsInstance(service, Service)
def test_closing_resource_bypass_marker_injection(self):
from wiringstringidssamples import resourceclosing
resourceclosing.Service.reset_counter()
container = resourceclosing.Container()
container.wire(modules=[resourceclosing])
self.addCleanup(container.unwire)
result_1 = resourceclosing.test_function(
service=Closing[Provide[resourceclosing.Container.service]],
)
self.assertIsInstance(result_1, resourceclosing.Service)
self.assertEqual(result_1.init_counter, 1)
self.assertEqual(result_1.shutdown_counter, 1)
result_2 = resourceclosing.test_function(
service=Closing[Provide[resourceclosing.Container.service]],
)
self.assertIsInstance(result_2, resourceclosing.Service)
self.assertEqual(result_2.init_counter, 2)
self.assertEqual(result_2.shutdown_counter, 2)
self.assertIsNot(result_1, result_2)
class WiringAsyncInjectionsTest(AsyncTestCase):
def test_async_injections(self):
from wiringstringidssamples import asyncinjections
container = asyncinjections.Container()
container.wire(modules=[asyncinjections])
self.addCleanup(container.unwire)
asyncinjections.resource1.reset_counters()
asyncinjections.resource2.reset_counters()
resource1, resource2 = self._run(asyncinjections.async_injection())
self.assertIs(resource1, asyncinjections.resource1)
self.assertEqual(asyncinjections.resource1.init_counter, 1)
self.assertEqual(asyncinjections.resource1.shutdown_counter, 0)
self.assertIs(resource2, asyncinjections.resource2)
self.assertEqual(asyncinjections.resource2.init_counter, 1)
self.assertEqual(asyncinjections.resource2.shutdown_counter, 0)
def test_async_injections_with_closing(self):
from wiringstringidssamples import asyncinjections
container = asyncinjections.Container()
container.wire(modules=[asyncinjections])
self.addCleanup(container.unwire)
asyncinjections.resource1.reset_counters()
asyncinjections.resource2.reset_counters()
resource1, resource2 = self._run(asyncinjections.async_injection_with_closing())
self.assertIs(resource1, asyncinjections.resource1)
self.assertEqual(asyncinjections.resource1.init_counter, 1)
self.assertEqual(asyncinjections.resource1.shutdown_counter, 1)
self.assertIs(resource2, asyncinjections.resource2)
self.assertEqual(asyncinjections.resource2.init_counter, 1)
self.assertEqual(asyncinjections.resource2.shutdown_counter, 1)
resource1, resource2 = self._run(asyncinjections.async_injection_with_closing())
self.assertIs(resource1, asyncinjections.resource1)
self.assertEqual(asyncinjections.resource1.init_counter, 2)
self.assertEqual(asyncinjections.resource1.shutdown_counter, 2)
self.assertIs(resource2, asyncinjections.resource2)
self.assertEqual(asyncinjections.resource2.init_counter, 2)
self.assertEqual(asyncinjections.resource2.shutdown_counter, 2)
# class AutoLoaderTest(unittest.TestCase):
#
# container: Container
#
# def setUp(self) -> None:
# self.container = Container(config={'a': {'b': {'c': 10}}})
# importlib.reload(module)
#
# def tearDown(self) -> None:
# with contextlib.suppress(ValueError):
# unregister_loader_containers(self.container)
#
# self.container.unwire()
#
# @classmethod
# def tearDownClass(cls) -> None:
# importlib.reload(module)
#
# def test_register_container(self):
# register_loader_containers(self.container)
# importlib.reload(module)
#
# service = module.test_function()
# self.assertIsInstance(service, Service)