# {py:mod}`django_socio_grpc.grpc_actions.placeholders`

```{py:module} django_socio_grpc.grpc_actions.placeholders
```

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`Placeholder <django_socio_grpc.grpc_actions.placeholders.Placeholder>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.Placeholder
    :summary:
    ```
* - {py:obj}`AttrPlaceholder <django_socio_grpc.grpc_actions.placeholders.AttrPlaceholder>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.AttrPlaceholder
    :summary:
    ```
* - {py:obj}`FnPlaceholder <django_socio_grpc.grpc_actions.placeholders.FnPlaceholder>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.FnPlaceholder
    :summary:
    ```
* - {py:obj}`StrTemplatePlaceholder <django_socio_grpc.grpc_actions.placeholders.StrTemplatePlaceholder>`
  -
````

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`_get_lookup_fields <django_socio_grpc.grpc_actions.placeholders._get_lookup_fields>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders._get_lookup_fields
    :summary:
    ```
* - {py:obj}`_get_serializer_class <django_socio_grpc.grpc_actions.placeholders._get_serializer_class>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders._get_serializer_class
    :summary:
    ```
````

### Data

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`_T <django_socio_grpc.grpc_actions.placeholders._T>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders._T
    :summary:
    ```
* - {py:obj}`ServiceCallable <django_socio_grpc.grpc_actions.placeholders.ServiceCallable>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.ServiceCallable
    :summary:
    ```
* - {py:obj}`LookupField <django_socio_grpc.grpc_actions.placeholders.LookupField>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.LookupField
    :summary:
    ```
* - {py:obj}`SelfSerializer <django_socio_grpc.grpc_actions.placeholders.SelfSerializer>`
  - ```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.SelfSerializer
    :summary:
    ```
````

### API

````{py:data} _T
:canonical: django_socio_grpc.grpc_actions.placeholders._T
:value: >
   'TypeVar(...)'

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders._T
```

````

````{py:data} ServiceCallable
:canonical: django_socio_grpc.grpc_actions.placeholders.ServiceCallable
:value: >
   None

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.ServiceCallable
```

````

`````{py:class} Placeholder
:canonical: django_socio_grpc.grpc_actions.placeholders.Placeholder

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.Placeholder
```

````{py:method} resolve(service: django_socio_grpc.generics.GenericService)
:canonical: django_socio_grpc.grpc_actions.placeholders.Placeholder.resolve
:abstractmethod:

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.Placeholder.resolve
```

````

````{py:method} __call__(service: django_socio_grpc.generics.GenericService, action: django_socio_grpc.grpc_actions.actions.GRPCAction, field: str)
:canonical: django_socio_grpc.grpc_actions.placeholders.Placeholder.__call__

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.Placeholder.__call__
```

````

`````

`````{py:class} AttrPlaceholder(attr_name: str)
:canonical: django_socio_grpc.grpc_actions.placeholders.AttrPlaceholder

Bases: {py:obj}`django_socio_grpc.grpc_actions.placeholders.Placeholder`

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.AttrPlaceholder
```

```{rubric} Initialization
```

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.AttrPlaceholder.__init__
```

````{py:method} resolve(service: django_socio_grpc.generics.GenericService)
:canonical: django_socio_grpc.grpc_actions.placeholders.AttrPlaceholder.resolve

````

`````

`````{py:class} FnPlaceholder(fn: django_socio_grpc.grpc_actions.placeholders.ServiceCallable)
:canonical: django_socio_grpc.grpc_actions.placeholders.FnPlaceholder

Bases: {py:obj}`django_socio_grpc.grpc_actions.placeholders.Placeholder`

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.FnPlaceholder
```

```{rubric} Initialization
```

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.FnPlaceholder.__init__
```

````{py:method} resolve(service: django_socio_grpc.generics.GenericService)
:canonical: django_socio_grpc.grpc_actions.placeholders.FnPlaceholder.resolve

````

`````

`````{py:class} StrTemplatePlaceholder(string: str, *params: str | django_socio_grpc.grpc_actions.placeholders.ServiceCallable[str])
:canonical: django_socio_grpc.grpc_actions.placeholders.StrTemplatePlaceholder

Bases: {py:obj}`django_socio_grpc.grpc_actions.placeholders.Placeholder`

````{py:method} get_param_value(service, param: str | django_socio_grpc.grpc_actions.placeholders.ServiceCallable[str])
:canonical: django_socio_grpc.grpc_actions.placeholders.StrTemplatePlaceholder.get_param_value

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.StrTemplatePlaceholder.get_param_value
```

````

````{py:method} resolve(service: django_socio_grpc.generics.GenericService)
:canonical: django_socio_grpc.grpc_actions.placeholders.StrTemplatePlaceholder.resolve

````

`````

````{py:function} _get_lookup_fields(service)
:canonical: django_socio_grpc.grpc_actions.placeholders._get_lookup_fields

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders._get_lookup_fields
```
````

````{py:function} _get_serializer_class(service)
:canonical: django_socio_grpc.grpc_actions.placeholders._get_serializer_class

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders._get_serializer_class
```
````

````{py:data} LookupField
:canonical: django_socio_grpc.grpc_actions.placeholders.LookupField
:value: >
   'FnPlaceholder(...)'

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.LookupField
```

````

````{py:data} SelfSerializer
:canonical: django_socio_grpc.grpc_actions.placeholders.SelfSerializer
:value: >
   'FnPlaceholder(...)'

```{autodoc2-docstring} django_socio_grpc.grpc_actions.placeholders.SelfSerializer
```

````