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# interfaces.matlab

## Module: `interfaces.matlab`

Inheritance diagram for `nipype.interfaces.matlab`:

General matlab interface code

## Classes

### `MatlabCommand`

class `nipype.interfaces.matlab.``MatlabCommand`(matlab_cmd=None, **inputs)

  Bases: `nipype.interfaces.base.CommandLine`

  Interface that runs matlab code

      >>> import nipype.interfaces.matlab as matlab
      >>> mlab = matlab.MatlabCommand()
      >>> mlab.inputs.script = "which('who')"
      >>> out = mlab.run()

  Attributes

  `output_spec` |

  Methods

  `aggregate_outputs`([runtime, needed_outputs]) | Collate expected outputs and check for existence
  `help`([returnhelp]) |
  `input_spec` |
  `raise_exception`(runtime) |
  `run`(**inputs) | Execute this interface.
  `set_default_matlab_cmd`(matlab_cmd) | Set the default MATLAB command line for MATLAB classes.
  `set_default_mfile`(mfile) | Set the default MATLAB script file format for MATLAB classes.
  `set_default_paths`(paths) | Set the default MATLAB paths for MATLAB classes.
  `set_default_terminal_output`(output_type) | Set the default output type for FSL classes.
  `version_from_command`([flag]) |

  `__init__`(matlab_cmd=None, **inputs)

    initializes interface to matlab (default ‘matlab -nodesktop -nosplash’)

  `aggregate_outputs`(runtime=None, needed_outputs=None)

    Collate expected outputs and check for existence

  `always_run` None
  `can_resume` None
  `cmd` None

    sets base command, immutable

  `cmdline` None

    command plus any arguments (args) validates arguments and generates command line

  classmethod `help`(returnhelp=False)
  `input_spec`

    alias of `MatlabInputSpec`

  `output_spec` = None
  `raise_exception`(runtime)
  `run`(**inputs)

    Execute this interface.

    This interface will not raise an exception if runtime.returncode is non-zero.

    Parameters: | inputs : allows the interface settings to be updated
    Returns: | results : an InterfaceResult object containing a copy of the instance that was executed, provenance information and, if successful, results :

  classmethod `set_default_matlab_cmd`(matlab_cmd)

    Set the default MATLAB command line for MATLAB classes.

    This method is used to set values for all MATLAB subclasses. However, setting this will not update the output type for any existing instances. For these, assign the <instance>.inputs.matlab_cmd.

  classmethod `set_default_mfile`(mfile)

    Set the default MATLAB script file format for MATLAB classes.

    This method is used to set values for all MATLAB subclasses. However, setting this will not update the output type for any existing instances. For these, assign the <instance>.inputs.mfile.

  classmethod `set_default_paths`(paths)

    Set the default MATLAB paths for MATLAB classes.

    This method is used to set values for all MATLAB subclasses. However, setting this will not update the output type for any existing instances. For these, assign the <instance>.inputs.paths.

  classmethod `set_default_terminal_output`(output_type)

    Set the default output type for FSL classes.

    This method is used to set the default output type for all fSL subclasses. However, setting this will not update the output type for any existing instances. For these, assign the <instance>.inputs.output_type.

  `version` None
  `version_from_command`(flag='-v')

### `MatlabInputSpec`

class `nipype.interfaces.matlab.``MatlabInputSpec`(**kwargs)

  Bases: `nipype.interfaces.base.CommandLineInputSpec`

  Basic expected inputs to Matlab interface

  Methods

  `add_class_trait`(name, *trait) | Adds a named trait attribute to this class.
  `add_trait`(name, *trait) | Adds a trait attribute to this object.
  `add_trait_category`(category) | Adds a trait category to a class.
  `add_trait_listener`(object[, prefix]) |
  `all_trait_names`() | Returns the list of all trait names, including implicitly defined
  `base_trait`(name) | Returns the base trait definition for a trait attribute.
  `class_default_traits_view`() | Returns the name of the default traits view for the class.
  `class_editable_traits`() | Returns an alphabetically sorted list of the names of non-event
  `class_trait_names`(**metadata) | Returns a list of the names of all trait attributes whose definitions match the set of metadata criteria specified.
  `class_trait_view`([name, view_element]) |
  `class_trait_view_elements`() | Returns the ViewElements object associated with the class.
  `class_traits`(**metadata) | Returns a dictionary containing the definitions of all of the trait attributes of the class that match the set of metadata criteria.
  `clone_traits`([traits, memo, copy]) | Clones a new object from this one, optionally copying only a specified set of traits.
  `configure_traits`([filename, view, kind, ...]) | Creates and displays a dialog box for editing values of trait
  `copy_traits`(other[, traits, memo, copy]) | Copies another object’s trait attributes into this one.
  `copyable_trait_names`(**metadata) | Returns the list of trait names to copy or clone by default.
  `default_traits_view`() | Returns the name of the default traits view for the object’s class.
  `edit_traits`([view, parent, kind, context, ...]) | Displays a user interface window for editing trait attribute values.
  `editable_traits`() | Returns an alphabetically sorted list of the names of non-event
  `get`(**kwargs) | Returns traited class as a dict
  `get_hashval`([hash_method]) | Return a dictionary of our items with hashes for each file.
  `get_traitsfree`(**kwargs) | Returns traited class as a dict
  `has_traits_interface`(*interfaces) | Returns whether the object implements a specified traits interface.
  `items`() | Name, trait generator for user modifiable traits
  `on_trait_change`(handler[, name, remove, ...]) | Causes the object to invoke a handler whenever a trait attribute matching a specified pattern is modified, or removes the association.
  `on_trait_event`(handler[, name, remove, ...]) | Causes the object to invoke a handler whenever a trait attribute matching a specified pattern is modified, or removes the association.
  `print_traits`([show_help]) | Prints the values of all explicitly-defined, non-event trait attributes on the current object, in an easily readable format.
  `remove_trait`(name) | Removes a trait attribute from this object.
  `remove_trait_listener`(object[, prefix]) |
  `reset_traits`([traits]) | Resets some or all of an object’s trait attributes to their default values.
  `set`([trait_change_notify]) | Shortcut for setting object trait attributes.
  `set_trait_dispatch_handler`(name, klass[, ...]) | Sets a trait notification dispatch handler.
  `sync_trait`(trait_name, object[, alias, ...]) | Synchronizes the value of a trait attribute on this object with a trait attribute on another object.
  `trait`(name[, force, copy]) | Returns the trait definition for the name trait attribute.
  `trait_context`() | Returns the default context to use for editing or configuring
  `trait_get`(*names, **metadata) | Shortcut for getting object trait attributes.
  `trait_items_event`(event_trait,name,items_event) |
  `trait_monitor`(handler[, remove]) | Adds or removes the specified handler from the list of active monitors.
  `trait_names`(**metadata) | Returns a list of the names of all trait attributes whose definitions match the set of metadata criteria specified.
  `trait_property_changed`(...) |
  `trait_set`([trait_change_notify]) | Shortcut for setting object trait attributes.
  `trait_setq`(**traits) | Shortcut for setting object trait attributes.
  `trait_subclasses`([all]) | Returns a list of the immediate (or all) subclasses of this class.
  `trait_view`([name, view_element]) | Gets or sets a ViewElement associated with an object’s class.
  `trait_view_elements`() | Returns the ViewElements object associated with the object’s
  `trait_views`([klass]) | Returns a list of the names of all view elements associated with the current object’s class.
  `traits`(**metadata) | Returns a dictionary containing the definitions of all of the trait attributes of this object that match the set of metadata criteria.
  `traits_init`() |
  `traits_inited`([True]) |
  `validate_trait`(name, value) | Validates whether a value is legal for a trait.

  `__init__`(**kwargs)

    Initialize handlers and inputs

  classmethod `add_class_trait`(name, *trait)

    Adds a named trait attribute to this class.

    Parameters: | name : str Name of the attribute to add. *trait : : A trait or a value that can be converted to a trait using Trait() Trait definition of the attribute. It can be a single value or a list equivalent to an argument list for the Trait() function.

  `add_trait`(name, *trait)

    Adds a trait attribute to this object.

    Parameters: | name : str Name of the attribute to add. *trait : : Trait or a value that can be converted to a trait by Trait(). Trait definition for name. If more than one value is specified, it is equivalent to passing the entire list of values to Trait().

  classmethod `add_trait_category`(category)

    Adds a trait category to a class.

  `add_trait_listener`(object, prefix='')
  `all_trait_names`()

    Returns the list of all trait names, including implicitly defined traits.

  `base_trait`(name)

    Returns the base trait definition for a trait attribute.

    Parameters: | name : str Name of the attribute whose trait definition is returned.

  classmethod `class_default_traits_view`()

    Returns the name of the default traits view for the class.

  classmethod `class_editable_traits`()

    Returns an alphabetically sorted list of the names of non-event trait attributes associated with the current class.

  classmethod `class_trait_names`(**metadata)

    Returns a list of the names of all trait attributes whose definitions match the set of metadata criteria specified.

    Parameters: | **metadata : : Criteria for selecting trait attributes.

  classmethod `class_trait_view`(name=None, view_element=None)
  classmethod `class_trait_view_elements`()

    Returns the ViewElements object associated with the class.

    The returned object can be used to access all the view elements associated with the class.

  classmethod `class_traits`(**metadata)

    Returns a dictionary containing the definitions of all of the trait attributes of the class that match the set of metadata criteria.

    Parameters: | **metadata : : Criteria for selecting trait attributes.

  `clone_traits`(traits=None, memo=None, copy=None, **metadata)

    Clones a new object from this one, optionally copying only a specified set of traits.

    Parameters: | traits : list of strings The list of names of the trait attributes to copy. memo : dict A dictionary of objects that have already been copied. copy : str The type of copy `deep` or `shallow` to perform on any trait that does not have explicit ‘copy’ metadata. A value of None means ‘copy reference’.
    Returns: | new : : The newly cloned object.

  `configure_traits`(filename=None, view=None, kind=None, edit=True, context=None, handler=None, id='', scrollable=None, **args)

    Creates and displays a dialog box for editing values of trait attributes, as if it were a complete, self-contained GUI application.

    Parameters: | filename : str The name (including path) of a file that contains a pickled representation of the current object. When this parameter is specified, the method reads the corresponding file (if it exists) to restore the saved values of the object’s traits before displaying them. If the user confirms the dialog box (by clicking OK), the new values are written to the file. If this parameter is not specified, the values are loaded from the in-memory object, and are not persisted when the dialog box is closed. view : View or str A View object (or its name) that defines a user interface for editing trait attribute values of the current object. If the view is defined as an attribute on this class, use the name of the attribute. Otherwise, use a reference to the view object. If this attribute is not specified, the View object returned by trait_view() is used. kind : str The type of user interface window to create. See the traitsui.view.kind_trait trait for values and their meanings. If kind is unspecified or None, the kind attribute of the View object is used. edit : bool Indicates whether to display a user interface. If filename specifies an existing file, setting edit to False loads the saved values from that file into the object without requiring user interaction. context : object or dictionary A single object or a dictionary of string/object pairs, whose trait attributes are to be edited. If not specified, the current object is used handler : Handler A handler object used for event handling in the dialog box. If None, the default handler for Traits UI is used. id : str A unique ID for persisting preferences about this user interface, such as size and position. If not specified, no user preferences are saved. scrollable : bool Indicates whether the dialog box should be scrollable. When set to True, scroll bars appear on the dialog box if it is not large enough to display all of the items in the view at one time.

  `copy_traits`(other, traits=None, memo=None, copy=None, **metadata)

    Copies another object’s trait attributes into this one.

    Parameters: | other : object The object whose trait attribute values should be copied. traits : list of strings A list of names of trait attributes to copy. If None or unspecified, the set of names returned by trait_names() is used. If ‘all’ or an empty list, the set of names returned by all_trait_names() is used. memo : dict A dictionary of objects that have already been copied. copy : None | ‘deep’ | ‘shallow’ The type of copy to perform on any trait that does not have explicit ‘copy’ metadata. A value of None means ‘copy reference’.
    Returns: | unassignable : list of strings A list of attributes that the method was unable to copy, which is empty if all the attributes were successfully copied.

  `copyable_trait_names`(**metadata)

    Returns the list of trait names to copy or clone by default.

  `default_traits_view`()

    Returns the name of the default traits view for the object’s class.

  `edit_traits`(view=None, parent=None, kind=None, context=None, handler=None, id='', scrollable=None, **args)

    Displays a user interface window for editing trait attribute values.

    Parameters: | view : View or string A View object (or its name) that defines a user interface for editing trait attribute values of the current object. If the view is defined as an attribute on this class, use the name of the attribute. Otherwise, use a reference to the view object. If this attribute is not specified, the View object returned by trait_view() is used. parent : toolkit control The reference to a user interface component to use as the parent window for the object’s UI window. kind : str The type of user interface window to create. See the traitsui.view.kind_trait trait for values and their meanings. If kind is unspecified or None, the kind attribute of the View object is used. context : object or dictionary A single object or a dictionary of string/object pairs, whose trait attributes are to be edited. If not specified, the current object is used. handler : Handler A handler object used for event handling in the dialog box. If None, the default handler for Traits UI is used. id : str A unique ID for persisting preferences about this user interface, such as size and position. If not specified, no user preferences are saved. scrollable : bool Indicates whether the dialog box should be scrollable. When set to True, scroll bars appear on the dialog box if it is not large enough to display all of the items in the view at one time.

  `editable_traits`()

    Returns an alphabetically sorted list of the names of non-event trait attributes associated with the current object.

  `get`(**kwargs)

    Returns traited class as a dict

    Augments the trait get function to return a dictionary without notification handles

  `get_hashval`(hash_method=None)

    Return a dictionary of our items with hashes for each file.

    Searches through dictionary items and if an item is a file, it calculates the md5 hash of the file contents and stores the file name and hash value as the new key value.

    However, the overall bunch hash is calculated only on the hash value of a file. The path and name of the file are not used in the overall hash calculation.

    Returns: | dict_withhash : dict Copy of our dictionary with the new file hashes included with each file. hashvalue : str The md5 hash value of the traited spec

  `get_traitsfree`(**kwargs)

    Returns traited class as a dict

    Augments the trait get function to return a dictionary without any traits. The dictionary does not contain any attributes that were Undefined

  `has_traits_interface`(*interfaces)

    Returns whether the object implements a specified traits interface.

    Parameters: | *interfaces : : One or more traits Interface (sub)classes.

  `items`()

    Name, trait generator for user modifiable traits

  `on_trait_change`(handler, name=None, remove=False, dispatch='same', priority=False, deferred=False, target=None)

    Causes the object to invoke a handler whenever a trait attribute matching a specified pattern is modified, or removes the association.

    > Parameters: | handler : function A trait notification function for the name trait attribute, with one of the signatures described below. name : str The name of the trait attribute whose value changes trigger the notification. The name can specify complex patterns of trait changes using an extended name syntax, which is described below. remove : bool If True, removes the previously-set association between handler and name; if False (the default), creates the association. dispatch : str A string indicating the thread on which notifications must be run. Possible values are:
    > value | dispatch
    > --- | ---
    > `same` | Run notifications on the same thread as this one.
    > `ui` | Run notifications on the UI thread, and allow them to be queued and deferred.
    > `fast_ui` | Run notifications on the UI thread, and process them immediately.
    > `new` | Run notifications in a new thread.

  `on_trait_event`(handler, name=None, remove=False, dispatch='same', priority=False, deferred=False, target=None)

    Causes the object to invoke a handler whenever a trait attribute matching a specified pattern is modified, or removes the association.

    > Parameters: | handler : function A trait notification function for the name trait attribute, with one of the signatures described below. name : str The name of the trait attribute whose value changes trigger the notification. The name can specify complex patterns of trait changes using an extended name syntax, which is described below. remove : bool If True, removes the previously-set association between handler and name; if False (the default), creates the association. dispatch : str A string indicating the thread on which notifications must be run. Possible values are:
    > value | dispatch
    > --- | ---
    > `same` | Run notifications on the same thread as this one.
    > `ui` | Run notifications on the UI thread, and allow them to be queued and deferred.
    > `fast_ui` | Run notifications on the UI thread, and process them immediately.
    > `new` | Run notifications in a new thread.

  `print_traits`(show_help=False, **metadata)

    Prints the values of all explicitly-defined, non-event trait attributes on the current object, in an easily readable format.

    Parameters: | show_help : bool Indicates whether to display additional descriptive information.

  `remove_trait`(name)

    Removes a trait attribute from this object.

    Parameters: | name : str Name of the attribute to remove.

  `remove_trait_listener`(object, prefix='')
  `reset_traits`(traits=None, **metadata)

    Resets some or all of an object’s trait attributes to their default values.

    Parameters: | traits : list of strings Names of trait attributes to reset.
    Returns: | unresetable : list of strings A list of attributes that the method was unable to reset, which is empty if all the attributes were successfully reset.

  `set`(trait_change_notify=True, **traits)

    Shortcut for setting object trait attributes.

    Parameters: | trait_change_notify : bool If True (the default), then each value assigned may generate a trait change notification. If False, then no trait change notifications will be generated. (see also: trait_setq) **traits : : Key/value pairs, the trait attributes and their values to be set
    Returns: | self : : The method returns this object, after setting attributes.

  classmethod `set_trait_dispatch_handler`(name, klass, override=False)

    Sets a trait notification dispatch handler.

  `sync_trait`(trait_name, object, alias=None, mutual=True, remove=False)

    Synchronizes the value of a trait attribute on this object with a trait attribute on another object.

    Parameters: | name : str Name of the trait attribute on this object. object : object The object with which to synchronize. alias : str Name of the trait attribute on other; if None or omitted, same as name. mutual : bool or int Indicates whether synchronization is mutual (True or non-zero) or one-way (False or zero) remove : bool or int Indicates whether synchronization is being added (False or zero) or removed (True or non-zero)

  `trait`(name, force=False, copy=False)

    Returns the trait definition for the name trait attribute.

    Parameters: | name : str Name of the attribute whose trait definition is to be returned. force : bool Indicates whether to return a trait definition if name is not explicitly defined. copy : bool Indicates whether to return the original trait definition or a copy.

  `trait_context`()

    Returns the default context to use for editing or configuring traits.

  `trait_get`(*names, **metadata)

    Shortcut for getting object trait attributes.

    Parameters: | names : list of strings A list of trait attribute names whose values are requested.
    Returns: | result : dict A dictionary whose keys are the names passed as arguments and whose values are the corresponding trait values.

  `trait_items_event`(event_trait, name, items_event)
  classmethod `trait_monitor`(handler, remove=False)

    Adds or removes the specified handler from the list of active monitors.

    Parameters: | handler : function The function to add or remove as a monitor. remove : bool Flag indicating whether to remove (True) or add the specified handler as a monitor for this class.

  `trait_names`(**metadata)

    Returns a list of the names of all trait attributes whose definitions match the set of metadata criteria specified.

    Parameters: | **metadata : : Criteria for selecting trait attributes.

  `trait_property_changed`(name, old_value[, new_value])
  `trait_set`(trait_change_notify=True, **traits)

    Shortcut for setting object trait attributes.

    Parameters: | trait_change_notify : bool If True (the default), then each value assigned may generate a trait change notification. If False, then no trait change notifications will be generated. (see also: trait_setq) **traits : : Key/value pairs, the trait attributes and their values to be set
    Returns: | self : : The method returns this object, after setting attributes.

  `trait_setq`(**traits)

    Shortcut for setting object trait attributes.

    Parameters: | **traits : : Key/value pairs, the trait attributes and their values to be set. No trait change notifications will be generated for any values assigned (see also: trait_set).
    Returns: | self : : The method returns this object, after setting attributes.

  classmethod `trait_subclasses`(all=False)

    Returns a list of the immediate (or all) subclasses of this class.

    Parameters: | all : bool Indicates whether to return all subclasses of this class. If False, only immediate subclasses are returned.

  `trait_view`(name=None, view_element=None)

    Gets or sets a ViewElement associated with an object’s class.

    Parameters: | name : str Name of a view element view_element : ViewElement View element to associate
    Returns: | A view element. :

  `trait_view_elements`()

    Returns the ViewElements object associated with the object’s class.

    The returned object can be used to access all the view elements associated with the class.

  `trait_views`(klass=None)

    Returns a list of the names of all view elements associated with the current object’s class.

    Parameters: | klass : class A class, such that all returned names must correspond to instances of this class. Possible values include: Group Item View ViewElement ViewSubElement

  `traits`(**metadata)

    Returns a dictionary containing the definitions of all of the trait attributes of this object that match the set of metadata criteria.

    Parameters: | **metadata : : Criteria for selecting trait attributes.

  `traits_init`()
  `traits_inited`([True])
  `validate_trait`(name, value)

    Validates whether a value is legal for a trait.

    Returns the validated value if it is valid.

  `wrappers` = {'new': <class traits.trait_notifiers.NewTraitChangeNotifyWrapper at 0x4b114c8>, 'ui': <class traits.trait_notifiers.FastUITraitChangeNotifyWrapper at 0x4b113f8>, 'extended': <class traits.trait_notifiers.ExtendedTraitChangeNotifyWrapper at 0x4b11390>, 'fast_ui': <class traits.trait_notifiers.FastUITraitChangeNotifyWrapper at 0x4b113f8>, 'same': <class traits.trait_notifiers.TraitChangeNotifyWrapper at 0x4b11328>}

## Function

`nipype.interfaces.matlab.``get_matlab_command`()