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Edit File: _propertyhelper.cpython-38.pyc
U �� ^�7 � @ s� d dl mZ d dlmZmZ d dlmZmZmZm Z m Z m Z m Z m Z mZmZmZmZmZmZmZmZmZmZmZmZmZmZm Z m Z ej Z ej Z ej Z ej!Z!ej"Z"ej#Z#ej$Z$ej%Z%G dd� de&�Z'dd� Z(dS ) � )�_gi)� string_types�long_)� TYPE_NONE�TYPE_INTERFACE� TYPE_CHAR� TYPE_UCHAR� TYPE_BOOLEAN�TYPE_INT� TYPE_UINT� TYPE_LONG� TYPE_ULONG� TYPE_INT64� TYPE_UINT64� TYPE_ENUM� TYPE_FLAGS� TYPE_FLOAT� TYPE_DOUBLE� TYPE_STRING� TYPE_POINTER� TYPE_BOXED� TYPE_PARAM� TYPE_OBJECT� TYPE_PYOBJECT� TYPE_GTYPE� TYPE_STRV� TYPE_VARIANTc @ sN e Zd ZdZeeeeee e e e e eeiZedededee e e eeeeediZeeee ededeee eee ee iZ edededededede dede di Z G dd � d e!�Z"d d d d dde#j$d d f d d �Z%d d� Z&dd� Z'dd� Z(dd� Z)dd� Z*dd� Z+dd� Z,dd � Z-d d � Z.d d � Z/d!d"� Z0d#d$� Z1d%d&� Z2d'd(� Z3d)d*� Z4d+d,� Z5d S )-�Propertya� Creates a new Property which when used in conjunction with GObject subclass will create a Python property accessor for the GObject ParamSpec. :param callable getter: getter to get the value of the property :param callable setter: setter to set the value of the property :param type type: type of property :param default: default value, must match the property type. :param str nick: short description :param str blurb: long description :param GObject.ParamFlags flags: parameter flags :keyword minimum: minimum allowed value (int, float, long only) :keyword maximum: maximum allowed value (int, float, long only) .. code-block:: python class MyObject(GObject.Object): prop = GObject.Property(type=str) obj = MyObject() obj.prop = 'value' obj.prop # now is 'value' The API is similar to the builtin :py:func:`property`: .. code-block:: python class AnotherObject(GObject.Object): value = 0 @GObject.Property def prop(self): 'Read only property.' return 1 @GObject.Property(type=int) def propInt(self): 'Read-write integer property.' return self.value @propInt.setter def propInt(self, value): self.value = value � l���� l ���� l ���� � g c @ s e Zd Zdd� ZdS )zProperty.__metaclass__c C s dS )Nz<class 'GObject.Property'>� ��selfr r �4/usr/lib/python3/dist-packages/gi/_propertyhelper.py�__repr__� s z Property.__metaclass__.__repr__N)�__name__� __module__� __qualname__r$ r r r r# � __metaclass__� s r( Nc C s4 d | _ |d krt}| �|�| _| �|�| _| �� t|t�sDt d��|| _ t|t�s\t d��|| _ || _ || _ |r~|s~| j}n$|r�|s�| j}n|s�|s�| j}| j}| �|� || _|d k r�|| �� k r�t d| j| �� f ��n| �� }|| _| d k �r | | �� k�r$t d| j| �� f ��n| �� } | | _d | _d S )Nznick must be a stringzblurb must be a stringz+Minimum for type %s cannot be lower than %dz,Maximum for type %s cannot be higher than %d)�name�object�_type_from_python�type� _get_default�default�_check_default� isinstancer � TypeError�nick�blurb�__doc__�flags�_readonly_setter�_writeonly_getter�_default_getter�_default_setter�getter�fset� _get_minimum�minimum� _get_maximum�maximum�_exc) r" r: �setterr, r. r2 r3 r5 r= r? r r r# �__init__� sT �� ��zProperty.__init__c C s d| j p d| jj f S )Nz<GObject Property %s (%s)>z(uninitialized))r) r, r! r r r# r$ � s �zProperty.__repr__c C s6 |d kr | S d | _ | �|�}| j r2| j }d | _ |�|S �N)r@ �fget)r" �instance�klass�value�excr r r# �__get__� s zProperty.__get__c C s: |d kr t �d | _|�| j|� | jr6| j}d | _|�d S rC )r1 r@ Z set_propertyr) )r" rE rG rH r r r# �__set__� s zProperty.__set__c C s | � |�S )z;Allows application of the getter along with init arguments.)r: �r" rD r r r# �__call__� s zProperty.__call__c C s |j r|j | _|j | _ || _| S )z8Set the getter function to fget. For use as a decorator.)r4 r3 rD rK r r r# r: � s zProperty.getterc C s || _ | js| jj| _| S )z8Set the setter function to fset. For use as a decorator.)r; r) rD r% )r" r; r r r# rA � s zProperty.setterc C s� || j kr| j | S t|t�rBt|tjtjtjtjtj f�rB|j S |t t t ttttttttttttttt t t t t fkrz|S t!d|f ��d S )NzUnsupported type: %r)"�_type_from_pytype_lookupr0 r, � issubclassr ZGObjectZGEnumZGFlagsZGBoxedZ GInterface� __gtype__r r r r r r r r r r r r r r r r r r r r r r r1 )r" Ztype_r r r# r+ � sB �� �zProperty._type_from_pythonc C s |d k r |S | j �| jd �S rC )�_default_lookup�getr, )r" r. r r r# r- s zProperty._get_defaultc C sz | j }| j}|tkr.|dkr.td|f ���nH|tkrJ|d k rFtd���n,|tkrf|d k rbtd���n|�t�r�|d kr�td��n t� |��|�s�td||f ��n�|�t �r�t� |��|�s�td||f ��n�|�t ��r2|d k �r2t |t ��stdt|� ��|D ](}t |�ttfk�rtd t|� ���qnD|�t��rv|d k �rvt|d ��rft� |��t��svtd ||f ��d S ) N)TFz%default must be True or False, not %rz)object types does not have default valuesz(GType types does not have default valuesz%enum properties needs a default valuez'enum value %s must be an instance of %rz(flags value %s must be an instance of %rz Strv value %s must be a listz'Strv value %s must contain only stringsrO z*variant value %s must be an instance of %r)r, r. r r1 r r �is_ar r ZGTyper r r0 �list�repr�str�bytesr �hasattr)r" �ptyper. �valr r r# r/ sF � � � �zProperty._check_defaultc C s | j �| jd �S rC )�_min_value_lookuprQ r, r! r r r# r< 6 s zProperty._get_minimumc C s | j �| jd �S rC )�_max_value_lookuprQ r, r! r r r# r> 9 s zProperty._get_maximumc C s t |d| j |� d S �NZ_property_helper_)�setattrr) �r" rE rG r r r# r9 @ s zProperty._default_setterc C s t |d| j | j�S r\ )�getattrr) r. �r" rE r r r# r8 C s zProperty._default_getterc C s t d| jt|�jf �| _d S )Nz %s property of %s is read-only�r1 r) r, r% r@ r^ r r r# r6 F s �zProperty._readonly_setterc C s t d| jt|�jf �| _d S )Nz %s property of %s is write-onlyra r` r r r# r7 J s �zProperty._writeonly_getterc C s� | j }|ttttttttfkr0| j | j | j f}nl|t ks^|t ks^|�t�s^|�t�s^|�t�rh| j f}n4|ttfkrzd}n"|�t�s�|�t�r�d}nt|��| j | j| jf| | jf S )Nr )r, r r r r r r r r r= r? r. r r rR r r r r r r r �NotImplementedErrorr2 r3 r5 )r" rX �argsr r r# �get_pspec_argsR s, ���� zProperty.get_pspec_args)6r% r& r' r4 r r �intr �boolr �floatr rU r r* r rM r r r r � G_MAXFLOAT� G_MAXDOUBLE�G_MININT� G_MINLONGr rZ � G_MAXUINT� G_MAXULONG�G_MAXINT� G_MAXLONGr[ rP r, r( r ZPARAM_READWRITErB r$ rI rJ rL r: rA r+ r- r/ r< r> r9 r8 r6 r7 rd r r r r# r ( s� 8 � � � � � 8 !r c s� � j �di �}g }� j �� D ]b\}}t|t�r |js:||_|j|krf||j |�� krXq td|j ��|�� ||j< |�|� q |s�dS |� _ d� j ks�d� j kr�|D ],}|j |j ks�|j |j kr�td� jf ��q�dd� }|� _� fd d �}|� _dS ) z� Scans the given class for instances of Property and merges them into the classes __gproperties__ dict if it exists or adds it if not. �__gproperties__z0Property %s was already found in __gproperties__N�do_get_property�do_set_propertyzGObject subclass %r defines do_get/set_property and it also uses a property with a custom setter or getter. This is not allowedc S s |j �dd�}t| |d �S �N�-�_)r) �replacer_ )r" �pspecr) r r r# �obj_get_property� s z,install_properties.<locals>.obj_get_propertyc s. |j �dd�}t� |d �}|r*|�| |� d S rs )r) rv r_ r; )r" rw rG r) �prop��clsr r# �obj_set_property� s z,install_properties.<locals>.obj_set_property)�__dict__rQ �itemsr0 r r) rd � ValueError�appendrp rD r8 r; r9 r1 r% rq rr )r{ Z gpropertiesZpropsr) ry rx r| r rz r# �install_propertiese s6 �� r� N))r r Z_compatr r Z _constantsr r r r r r r r r r r r r r r r r r r r r r r r rh ri rj rn rl rk ro rm r* r r� r r r r# �<module> s h ?