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Context

Context is a marker base class for typed request state. Subclass it with a dataclass or regular class. The executor injects the active context into resolver parameters annotated with that type.

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Info[ContextType, RootType]

Resolver information includes:
  • field_name, parent_type, and response path
  • schema, parsed operation, and variable values
  • context and root_value
ResolveInfo is an alias for Info.

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Dependencies

register_dependency(type_, provider) installs a provider in the default dependency registry. @provides(type_) is the decorator form. Providers receive context and can return values or awaitables. Values are cached per execution. Framework-injected parameters are excluded from the generated GraphQL argument map.