B
    CVvgd                 @   st   d dl mZ d dlmZmZ G dd dZG dd deeZG dd deeZG d	d
 d
eeZ	G dd deZdS )    )Feed)	Atom1FeedRss201rev2Feedc               @   s,   e Zd ZdZdd Zd
ddZdddZd	S )GeoFeedMixinz
    This mixin provides the necessary routines for SyndicationFeed subclasses
    to produce simple GeoRSS or W3C Geo elements.
    c             C   s   d dd |D S )z
        In GeoRSS coordinate pairs are ordered by lat/lon and separated by
        a single white space. Given a tuple of coordinates, return a string
        GeoRSS representation.
         c             s   s"   | ]}d |d |d f V  qdS )z%f %f   r   N ).0Zcoordr   r   </tmp/pip-install-o3oxmrkh/Django/django/contrib/gis/feeds.py	<genexpr>   s    z-GeoFeedMixin.georss_coords.<locals>.<genexpr>)join)selfcoordsr   r   r
   georss_coords   s    zGeoFeedMixin.georss_coordsFc             C   sN   |r6|dd \}}| dd|  | dd|  n| d| |f dS )z
        Adds a GeoRSS point with the given coords using the given handler.
        Handles the differences between simple GeoRSS and the more popular
        W3C Geo specification.
        N   zgeo:latz%fzgeo:lonzgeorss:point)addQuickElementr   )r   handlerr   w3c_geoZlonZlatr   r   r
   add_georss_point   s
    zGeoFeedMixin.add_georss_pointc             C   sT  | d}|dk	rPt|ttfrd}t|d ttfrTt|dkrJ|}qtdnLt|dkrr| j|||d n.t|dkr|dd |dd f}ntd|dk	r|rtd	|d
| | nt	|j
 }|dkr| j||j|d n^|rtd|dkr|d| |j n2|dkrB|d| |d j ntd|j
 dS )z:Add a GeoRSS XML element using the given item and handler.geometryNr   r   z'Only should be two sets of coordinates.)r      z'Only should be 2 or 4 numeric elements.z.Cannot use simple GeoRSS box in W3C Geo feeds.z
georss:boxZpointz'W3C Geo only supports Point geometries.)Z
linestringZ
linearringzgeorss:line)Zpolygonzgeorss:polygonz!Geometry type "%s" not supported.)get
isinstancelisttuplelen
ValueErrorr   r   r   strZ	geom_typelowerr   )r   r   itemr   ZgeomZ
box_coordsZgtyper   r   r
   add_georss_element    s6    




zGeoFeedMixin.add_georss_elementN)F)F)__name__
__module____qualname____doc__r   r   r    r   r   r   r
   r      s   
r   c                   s4   e Zd Z fddZ fddZ fddZ  ZS )
GeoRSSFeedc                s   t   }d|d< |S )Nzhttp://www.georss.org/georsszxmlns:georss)superrss_attributes)r   attrs)	__class__r   r
   r'   R   s    
zGeoRSSFeed.rss_attributesc                s   t  || | || d S )N)r&   add_item_elementsr    )r   r   r   )r)   r   r
   r*   W   s    zGeoRSSFeed.add_item_elementsc                s   t  | | || j d S )N)r&   add_root_elementsr    feed)r   r   )r)   r   r
   r+   [   s    zGeoRSSFeed.add_root_elements)r!   r"   r#   r'   r*   r+   __classcell__r   r   )r)   r
   r%   Q   s   r%   c                   s4   e Zd Z fddZ fddZ fddZ  ZS )GeoAtom1Feedc                s   t   }d|d< |S )Nzhttp://www.georss.org/georsszxmlns:georss)r&   root_attributes)r   r(   )r)   r   r
   r/   a   s    
zGeoAtom1Feed.root_attributesc                s   t  || | || d S )N)r&   r*   r    )r   r   r   )r)   r   r
   r*   f   s    zGeoAtom1Feed.add_item_elementsc                s   t  | | || j d S )N)r&   r+   r    r,   )r   r   )r)   r   r
   r+   j   s    zGeoAtom1Feed.add_root_elements)r!   r"   r#   r/   r*   r+   r-   r   r   )r)   r
   r.   `   s   r.   c                   s4   e Zd Z fddZ fddZ fddZ  ZS )
W3CGeoFeedc                s   t   }d|d< |S )Nz(http://www.w3.org/2003/01/geo/wgs84_pos#z	xmlns:geo)r&   r'   )r   r(   )r)   r   r
   r'   p   s    
zW3CGeoFeed.rss_attributesc                s"   t  || | j||dd d S )NT)r   )r&   r*   r    )r   r   r   )r)   r   r
   r*   u   s    zW3CGeoFeed.add_item_elementsc                s"   t  | | j|| jdd d S )NT)r   )r&   r+   r    r,   )r   r   )r)   r   r
   r+   y   s    zW3CGeoFeed.add_root_elements)r!   r"   r#   r'   r*   r+   r-   r   r   )r)   r
   r0   o   s   r0   c               @   s$   e Zd ZdZeZdd Zdd ZdS )r   z
    This is a subclass of the `Feed` from `django.contrib.syndication`.
    This allows users to define a `geometry(obj)` and/or `item_geometry(item)`
    methods on their own subclasses so that geo-referenced information may
    placed in the feed.
    c             C   s   d|  d|iS )Nr   )_get_dynamic_attr)r   objr   r   r
   feed_extra_kwargs   s    zFeed.feed_extra_kwargsc             C   s   d|  d|iS )Nr   Zitem_geometry)r1   )r   r   r   r   r
   item_extra_kwargs   s    zFeed.item_extra_kwargsN)r!   r"   r#   r$   r%   Z	feed_typer3   r4   r   r   r   r
   r      s   r   N)
Z django.contrib.syndication.viewsr   ZBaseFeedZdjango.utils.feedgeneratorr   r   r   r%   r.   r0   r   r   r   r
   <module>   s   L