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o �h6 � @ sD d dl mZ d dlmZ d dlmZ d dlmZ G dd� de�Z dS )� )� prototypes)� GEOSGeometry)�GEOM_PTR)� LinearRingc s� e Zd ZdZ� fdd�Zdd� Zdd� Zedd � �Zd d � Z d d � Z d!dd�Z dd� Z dd� Z dd� ZejZejZedd� �Zdd� Zdd � Zeee�ZeZed d � �ZeZed d � �Z � Z S )"�Polygon� c s� |st � j| �dd�fi |�� dS |^}}t|�}|dkrAt|d ttf�rA|d s0d}d}nt|d d t�rA|d }t|�}| �|d |g|��}t � j|fi |�� dS )a� Initialize on an exterior ring and a sequence of holes (both instances may be either LinearRing instances, or a tuple/list that may be constructed into a LinearRing). Examples of initialization, where shell, hole1, and hole2 are valid LinearRing geometries: >>> from django.contrib.gis.geos import LinearRing, Polygon >>> shell = hole1 = hole2 = LinearRing() >>> poly = Polygon(shell, hole1, hole2) >>> poly = Polygon(shell, (hole1, hole2)) >>> # Example where a tuple parameters are used: >>> poly = Polygon(((0, 0), (0, 10), (10, 10), (10, 0), (0, 0)), ... ((4, 4), (4, 6), (6, 6), (6, 4), (4, 4))) r Nr � )�super�__init__�_create_polygon�len� isinstance�tuple�listr )�self�args�kwargs�ext_ring� init_holes�n_holes�polygon�� __class__r �U/usr/local/CyberPanel/lib/python3.10/site-packages/django/contrib/gis/geos/polygon.pyr s zPolygon.__init__c c s" � t t| ��D ]}| | V qdS )z&Iterate over each ring in the polygon.N)�ranger )r �ir r r �__iter__0 s � �zPolygon.__iter__c C s | j d S )z+Return the number of rings in this Polygon.r )�num_interior_rings�r r r r �__len__5 s zPolygon.__len__c C sn |\}}}}|D ]}t |ttf�s#td||||||||||f � S qt||f||f||f||f||ff�S )z2Construct a Polygon from a bounding box (4-tuple).z,POLYGON((%s %s, %s %s, %s %s, %s %s, %s %s)))r �float�intr r )�cls�bbox�x0�y0�x1�y1�zr r r � from_bbox9 s ���&zPolygon.from_bboxc s� |st �� S g }|D ]}t|t�r|�|� q |�� �|�� q � �|�d��}|d }|r<t| � fdd�|D �� }nd }t �|||�S )Nr r c s g | ]}� � |��qS r )�_clone)�.0�rr r r � <listcomp>Y s z+Polygon._create_polygon.<locals>.<listcomp>) �capi�create_empty_polygonr r �append�_construct_ringr* �pop�create_polygon)r �length�items�ringsr, �shellr � holes_paramr r r r F s zPolygon._create_polygonc C s t |t�r t�|�S t�|j�S �N)r r r. � geom_clone�ptr)r �gr r r r* _ s zPolygon._clone�YParameter must be a sequence of LinearRings or objects that can initialize to LinearRingsc C s0 t |t�r|S zt|�W S ty t|��w )z1Try to construct a ring from the given parameter.)r r � TypeError)r �param�msgr r r r1 e s �zPolygon._construct_ringc C s2 | j }| j}| �||�| _ |r|| _t�|� d S r9 )r; �sridr r. � destroy_geom)r r4 r5 �prev_ptrrA r r r � _set_listu s zPolygon._set_listc C s& |dkr t �| j�S t �| j|d �S )a7 Return the ring at the specified index. The first index, 0, will always return the exterior ring. Indices > 0 will return the interior ring at the given index (e.g., poly[1] and poly[2] would return the first and second interior ring, respectively). CAREFUL: Internal/External are not the same as Interior/Exterior! Return a pointer from the existing geometries for use internally by the object's methods. _get_single_external() returns a clone of the same geometry for use by external code. r r )r. � get_extringr; � get_intring�r �indexr r r �_get_single_internal s z Polygon._get_single_internalc C s t t�| �|��| jd�S )N)rA )r r. r: rI rA rG r r r �_get_single_external� s �z Polygon._get_single_externalc C s t �| j�S )z$Return the number of interior rings.)r. � get_nringsr; r r r r r � s zPolygon.num_interior_ringsc C s | d S )z%Get the exterior ring of the Polygon.r r r r r r � _get_ext_ring� s zPolygon._get_ext_ringc C s || d< dS )z%Set the exterior ring of the Polygon.r Nr )r �ringr r r � _set_ext_ring� s zPolygon._set_ext_ringc s t � fdd�tt� ��D ��S )z,Get the tuple for each ring in this Polygon.c 3 s � | ]}� | j V qd S r9 )r �r+ r r r r � <genexpr>� s � z Polygon.tuple.<locals>.<genexpr>)r r r r r r r r � s z Polygon.tuplec s0 d� � fdd�t� j�D ��}d� d j|f S )z.Return the KML representation of this Polygon.� c 3 s" � | ] }d � |d j V qdS )z%<innerBoundaryIs>%s</innerBoundaryIs>r N)�kmlrO r r r rP � s � � �z Polygon.kml.<locals>.<genexpr>z:<Polygon><outerBoundaryIs>%s</outerBoundaryIs>%s</Polygon>r )�joinr r rR )r � inner_kmlr r r rR � s ��z Polygon.kml)r= ) �__name__� __module__� __qualname__� _minlengthr r r � classmethodr) r r* r1 rD rI rJ r �_set_single_rebuild� _set_single� _assign_extended_slice_rebuild�_assign_extended_slice�propertyr rL rN � exterior_ringr7 r �coordsrR � __classcell__r r r r r s6 & � r N) �django.contrib.gis.geosr r. � django.contrib.gis.geos.geometryr � django.contrib.gis.geos.libgeosr �"django.contrib.gis.geos.linestringr r r r r r �<module> s
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