Return the argument with the given name or at the given position, or `None` if no such argument exists. Used to retrieve arguments that can be provide

Returns the value as a primitive type.

Returns the message attached to this annotation, if one exists.

Returns the range of the class's "header". For static classes, this is the class name and any arguments passed to the `class` statement. For dynamic

Set whether or not the snippet on this annotation should be suppressed when rendering. Such annotations are only rendered with their file name and ra

Return `true` if the model is in a type definition.

Infer all types for a [`ScopeId`], including all definitions and expressions in that scope. Use when checking a scope, or needing to provide a type fo

Return true if `self` and `other` contain at least one shared `definition`. A symbol can resolve to multiple definitions (for example, overload group

Returns the protocol class if this is a protocol.

Returns `true` if a function definition is an abstract method based on its decorators.

Returns `true` if there are no deferred nodes.

https://github.com/astral-sh/ruff/pull/25614 TODO(brent) Remove ecosystem selector normalization when stabilizing human-readable rule names: https://g

Is the symbol `nonlocal` its containing scope?

Return `true` if this class is a subtype of (any specialization of) `class_literal`.

Return `true` if [`ast::StmtIf`] is a guard for a type-checking block.

Returns an `Iterator` over the AST nodes representing the dictionary's keys.

The `kind` of the section, e.g. [`SectionKind::Args`] or [`SectionKind::Returns`].

Extract the leading indentation from a line.

Retrieve the original key that describes this document query.

Returns the metaclass of this class.

Do not show the [`Level`]s name Useful for: - Another layer of the application will include the level (e.g. when rendering errors) - [`Message`]s tha

Parses the body of the given [`Clause`]. This could either be a single statement that's on the same line as the clause header or an indented block.

Parses an identifier. For an invalid identifier, the `id` field will be an empty string. See: <https://docs.python.org/3/reference/expressions.html#

Like [`ruff_python_parser::parse_unchecked_source`], but with an explicit [`PythonVersion`] and per-cell notebook parsing. Per-cell modules are merge

Returns an iterator over the [`StringLikePart`] contained in this string-like expression.

Promote (possibly nested) literals to types that these literals are instances of. Note that this function tries to promote literals to a more user-fr

Pushes a *trailing* part for `key`.

The range from the clause keyword up to and including the final colon.

Sets the indexed files of a package to `files`.

Set the `ctx` for `Expr::Id`, `Expr::Attribute`, `Expr::Subscript`, `Expr::Starred`, `Expr::Tuple` and `Expr::List`. If `expr` is either `Expr::Tuple`

Get the document settings associated with this query.

Returns the Python source code for this source kind.

Emits a text as it is written in the source document. Optimized to avoid allocations.

Returns a fresh [`TypeInferenceBuilder`] for the current scope that can be used to speculatively infer expressions during multi-inference. The infere

Returns a speculative builder that does not construct diagnostics. Note that this method may lead to lost diagnostics if the expression cache is enab

Remove `ty` from the collection. Returns `true` if `ty` was previously in the collection and has now been removed. Returns `false` if `ty` was never

Looks up a file by its `path`. For a non-existing file, creates a new salsa [`File`] ingredient and stores it for future lookups. The operation alwa

Takes the salsa events.

Return a new tuple-spec builder that reflects the union of this tuple and another tuple. For example, if `self` is a tuple-spec builder for `tuple[Li

Update the notebook with the given sourcemap and transformed content.

Get the path for the document selected by this query, ignoring whether the file exists on disk. Returns the URI's path if this is an unsaved (untitle

Inserts any dangling comments that should be placed immediately after the open parenthesis. For example: ```python [ # comment 1, 2, 3, ] ```

Returns a new bound typevar instance without any `ParamSpec` attribute set. This method will also remove any upper bound that was set by `with_params

Resolves the absolute path for `self` based on its origin.

Add a [`Definition`] associated with the `definition_node` AST node. ## Panics This method panics if `debug_assertions` are enabled and the `definit