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PyParameter

Extends Parameter for Python codebases.

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Inherits from

Parameter, HasValue, Expression, Typeable, Usable, Editable, Importable, HasName

Attributes

default

Returns the default value of a parameter if one exists.

extended

Returns a SymbolGroup of all extended nodes associated with this element.

extended_source

Returns the source text representation of all extended nodes.

file

The file object that this Editable instance belongs to.

filepath

The file path of the file that this Editable instance belongs to.

full_name

Returns the full name of the object, including the namespace path.

function_calls

Returns a list of all function calls contained within this expression.

index

Returns the 0-based index of this parameter within its parent function's parameter list.

is_optional

Determines if the parameter is optional in Python code.

is_typed

Indicates if a node has an explicit type annotation.

is_variadic

Determines if a parameter is a variadic parameter.

name

Retrieves the base name of the object without namespace prefixes.

parent

The parent node of this Editable instance.

parent_class

Find the class this node is contained in

parent_function

Find the function this node is contained in

parent_statement

Find the statement this node is contained in

resolved_value

Returns the resolved type of an Expression.

source

Text representation of the Editable instance.

type

The type annotation associated with this node

value

Gets the value node of the object.

variable_usages

Returns Editables for all TreeSitter node instances of variable usages within this node's

Methods

add_trailing_comment

Add a trailing comment to a parameter in a function signature.

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Parameters

commentrequired

The comment text to be added after the parameter.

Returns

ancestors

Find all ancestors of the node of the given type. Does not return itself

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Returns

dependencies

Returns a list of symbols that this symbol depends on.

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Parameters

usage_typesdefault: UsageType.DIRECT

The types of dependencies to search for. Defaults to UsageType.DIRECT.

max_depthdefault: None

Maximum depth to traverse in the dependency graph. If provided, will recursively collect

Returns

A list of symbols and imports that this symbol depends on, sorted by file location.

edit

Replace the source of this Editable with new_src.

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Parameters

new_srcrequired

The new source text to replace the current text with.

fix_indentationdefault: False

If True, adjusts the indentation of `new_src` to match the current text's indentation level. Defaults to False.

prioritydefault: 0

The priority of the edit transaction. Higher priority edits are applied first. Defaults to 0.

dedupedefault: True

If True, deduplicates identical transactions. Defaults to True.

Returns

find

Find and return matching nodes or substrings within an Editable instance.

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Parameters

strings_to_matchrequired

One or more strings to search for.

exactdefault: False

If True, only return nodes whose source exactly matches one of the strings_to_match.

Returns

A list of Editable instances that match the search criteria.

find_string_literals

Returns a list of string literals within this node's source that match any of the given

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Parameters

strings_to_matchrequired

A list of strings to search for in string literals.

fuzzy_matchdefault: False

If True, matches substrings within string literals. If False, only matches exact strings. Defaults to False.

Returns

A list of Editable objects representing the matching string literals.

flag

Adds a visual flag comment to the end of this Editable's source text.

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Returns

get_name

Returns the name node of the object.

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Returns

The name node of the object. Can be a Name node for simple names, a ChainedAttribute for names with namespaces (e.g., a.b), or None if the object has no name.

get_variable_usages

Returns Editables for all TreeSitter nodes corresponding to instances of variable usage

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Parameters

var_namerequired

The variable name to search for.

fuzzy_matchdefault: False

If True, matches variables where var_name is a substring. If False, requires exact match. Defaults to False.

Returns

List of Editable objects representing variable usage nodes matching the given name.

insert_after

Inserts code after this node.

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Parameters

new_srcrequired

The source code to insert after this node.

fix_indentationdefault: False

Whether to adjust the indentation of new_src to match the current node. Defaults to False.

newlinedefault: True

Whether to add a newline before the new_src. Defaults to True.

prioritydefault: 0

Priority of the insertion transaction. Defaults to 0.

dedupedefault: True

Whether to deduplicate identical transactions. Defaults to True.

Returns

insert_before

Inserts text before this node's source with optional indentation and newline handling.

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Parameters

new_srcrequired

The text to insert before this node.

fix_indentationdefault: False

Whether to fix the indentation of new_src to match the current node. Defaults to False.

newlinedefault: True

Whether to add a newline after new_src. Defaults to True.

prioritydefault: 0

Transaction priority for managing multiple edits. Defaults to 0.

dedupedefault: True

Whether to deduplicate identical transactions. Defaults to True.

Returns

is_child_of

Checks if this node is a descendant of the given editable instance in the AST.

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Returns

is_wrapped_in

Check if this node is contained another node of the given class

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Returns

parent_of_type

Find the first ancestor of the node of the given type. Does not return itself

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Returns

parent_of_types

Find the first ancestor of the node of the given type. Does not return itself

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Returns

reduce_condition

Reduces an editable to the following condition

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Returns

remove

Removes the parameter from the function definition and all its call sites.

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Parameters

delete_formattingdefault: True

Whether to delete formatting around the parameter. Defaults to True.

prioritydefault: 0

Priority level for the removal operation. Defaults to 0.

dedupedefault: True

Whether to deduplicate removal operations. Defaults to True.

Returns

rename

Renames a parameter in a function definition and updates all related references.

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Parameters

new_namerequired

The new name for the parameter.

prioritydefault: 0

The priority of the edit operation. Defaults to 0.

Returns

replace

Search and replace occurrences of text within this node's source and its extended nodes.

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Parameters

oldrequired

The text or pattern to search for.

newrequired

The text to replace matches with.

countdefault: -1

Maximum number of replacements to make. Defaults to -1 (replace all).

is_regexdefault: False

Whether to treat 'old' as a regex pattern. Defaults to False.

prioritydefault: 0

Priority of the replacement operation. Defaults to 0.

Returns

The total number of replacements made.

Returns a list of all regex match of regex_pattern, similar to python's re.search().

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Parameters

regex_patternrequired

The regular expression pattern to search for.

include_stringsdefault: True

When False, excludes the contents of string literals from the search. Defaults to True.

include_commentsdefault: True

When False, excludes the contents of comments from the search. Defaults to True.

Returns

A list of Editable objects corresponding to the matches found.

set_name

Sets the name of a code element.

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Parameters

namerequired

The new name to set for the object.

Returns

set_type_annotation

Sets the type annotation of a parameter.

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Parameters

type_annotationrequired

The type annotation to set for the parameter.

include_commentdefault: ""

A comment to include with the type annotation. Defaults to "".

Returns

Use `type.edit` instead.

set_value

Sets the value of the node's value Expression.

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Parameters

valuerequired

The new value to set.

Returns

symbol_usages

Returns a list of symbols that use or import the exportable object.

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Parameters

usage_typesdefault: None

The types of usages to search for. Defaults to any.

Returns

A list of symbols that use or import the exportable object.

usages

Returns a list of usages of the exportable object.

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Parameters

usage_typesdefault: None

Specifies which types of usages to include in the results. Default is any usages.

Returns

A sorted list of Usage objects representing where this exportable is used, ordered by source location in reverse.