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65 lines
2.5 KiB
Text
65 lines
2.5 KiB
Text
---
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title: settings
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sidebarTitle: settings
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---
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# `fastmcp.settings`
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## Classes
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### `ExtendedEnvSettingsSource` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L27" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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A special EnvSettingsSource that allows for multiple env var prefixes to be used.
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Raises a deprecation warning if the old `FASTMCP_SERVER_` prefix is used.
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**Methods:**
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#### `get_field_value` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L34" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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get_field_value(self, field: FieldInfo, field_name: str) -> tuple[Any, str, bool]
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```
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### `ExtendedSettingsConfigDict` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L54" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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### `Settings` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L58" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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FastMCP settings.
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**Methods:**
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#### `settings_customise_sources` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L70" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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settings_customise_sources(cls, settings_cls: type[BaseSettings], init_settings: PydanticBaseSettingsSource, env_settings: PydanticBaseSettingsSource, dotenv_settings: PydanticBaseSettingsSource, file_secret_settings: PydanticBaseSettingsSource) -> tuple[PydanticBaseSettingsSource, ...]
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```
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#### `settings` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L88" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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settings(self) -> Self
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```
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This property is for backwards compatibility with FastMCP < 2.8.0,
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which accessed fastmcp.settings.settings
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#### `normalize_log_level` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L107" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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normalize_log_level(cls, v)
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```
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#### `setup_logging` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/settings.py#L175" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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setup_logging(self) -> Self
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```
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Finalize the settings.
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