U
    g7                     @   s   d Z ddlmZmZmZ ddlmZ ddlm	Z	m
Z
 ddlmZ ddlmZmZ ddlmZ ddlmZ G d	d
 d
e	ZG dd deZG dd de
eZG dd deZeeeeeeefe_dS )zy
 This module houses the Geometry Collection objects:
 GeometryCollection, MultiPoint, MultiLineString, and MultiPolygon
    )byrefc_intc_uint)
prototypes)GEOSGeometryLinearGeometryMixin)GEOM_PTR)
LinearRing
LineString)Point)Polygonc                       sx   e Zd ZdZ fddZdd Zdd Zdd	 Zd
d Zdd Z	dd Z
ejZejZedd Zedd ZeZ  ZS )GeometryCollection   c                    s`   t |dkr.t|d ttfr(|d }q2|}n|}| | | t ||}t j|f| dS )zEInitialize a Geometry Collection from a sequence of Geometry objects.   r   N)len
isinstancetuplelistZ_check_allowed_create_collectionsuper__init__)selfargskwargsZ
init_geomsZ
collection	__class__ G/tmp/pip-unpacked-wheel-ye1bytdm/django/contrib/gis/geos/collections.pyr      s    

zGeometryCollection.__init__c                 c   s    t t| D ]}| | V  qdS )z-Iterate over each Geometry in the Collection.N)ranger   )r   ir   r   r   __iter__'   s    zGeometryCollection.__iter__c                 C   s   | j S )z3Return the number of geometries in this Collection.)Znum_geomr   r   r   r   __len__,   s    zGeometryCollection.__len__c                 C   s2   t | dd |D  }tt| jt|t|S )Nc                 S   s   g | ]}t t|d |qS )ptr)capi
geom_clonegetattr.0gr   r   r   
<listcomp>3   s    z9GeometryCollection._create_collection.<locals>.<listcomp>)r   r$   Zcreate_collectionr   _typeidr   r   )r   lengthitemsZgeomsr   r   r   r   1   s    z%GeometryCollection._create_collectionc                 C   s   t | j|S N)r$   Z	get_geomnr#   r   indexr   r   r   _get_single_internal:   s    z'GeometryCollection._get_single_internalc                 C   s   t t| || jdS )zFReturn the Geometry from this Collection at the given index (0-based).)srid)r   r$   r%   r1   r2   r/   r   r   r   _get_single_external=   s    z'GeometryCollection._get_single_externalc                 C   s2   | j }| j}| ||| _ |r$|| _t| dS )zJCreate a new collection, and destroy the contents of the previous pointer.N)r#   r2   r   r$   Zdestroy_geom)r   r,   r-   Zprev_ptrr2   r   r   r   	_set_listB   s    zGeometryCollection._set_listc                 C   s   dd dd | D  S )z,Return the KML for this Geometry Collection.z!<MultiGeometry>%s</MultiGeometry> c                 s   s   | ]}|j V  qd S r.   )kmlr'   r   r   r   	<genexpr>Q   s     z)GeometryCollection.kml.<locals>.<genexpr>)joinr!   r   r   r   r6   N   s    zGeometryCollection.kmlc                 C   s   t dd | D S )zAReturn a tuple of all the coordinates in this Geometry Collectionc                 s   s   | ]}|j V  qd S r.   r   r'   r   r   r   r7   V   s     z+GeometryCollection.tuple.<locals>.<genexpr>r9   r!   r   r   r   r   S   s    zGeometryCollection.tuple)__name__
__module____qualname__r+   r   r    r"   r   r1   r3   r4   r   Z_set_single_rebuildZ_set_singleZ_assign_extended_slice_rebuildZ_assign_extended_slicepropertyr6   r   Zcoords__classcell__r   r   r   r   r      s   		

r   c                   @   s   e Zd ZeZdZdS )
MultiPoint   N)r:   r;   r<   r   _allowedr+   r   r   r   r   r?   [   s   r?   c                   @   s   e Zd ZeefZdZdS )MultiLineString   N)r:   r;   r<   r
   r	   rA   r+   r   r   r   r   rB   `   s   rB   c                   @   s   e Zd ZeZdZdS )MultiPolygon   N)r:   r;   r<   r   rA   r+   r   r   r   r   rD   e   s   rD   N)__doc__ctypesr   r   r   Zdjango.contrib.gis.geosr   r$   Z django.contrib.gis.geos.geometryr   r   Zdjango.contrib.gis.geos.libgeosr   Z"django.contrib.gis.geos.linestringr	   r
   Zdjango.contrib.gis.geos.pointr   Zdjango.contrib.gis.geos.polygonr   r   r?   rB   rD   rA   r   r   r   r   <module>   s   L