U
    ‹HaÏ  ã                   @   s4   d dl mZ d dlZd dlmZ G dd„ deƒZdS )é    )Úunicode_literalsN)Ú
to_mappingc                       s|   e Zd ZdZd‡ fdd„	Zdd„ ZeZdd„ Zd	d
„ Zdd„ Z	e
dd„ ƒZeddd„ƒZe
dd„ ƒZdd„ Zdd„ Z‡  ZS )ÚGeoJSONz0
    A class representing a GeoJSON object.
    © c                    s4   t t| ƒ |¡ t| dt| ƒjƒ| d< |  |¡ dS )zô
        Initialises a GeoJSON object

        :param iterable: iterable from which to draw the content of the GeoJSON
        object.
        :type iterable: dict, array, tuple
        :return: a GeoJSON object
        :rtype: GeoJSON
        ÚtypeN)Úsuperr   Ú__init__Úgetattrr   Ú__name__Úupdate)ÚselfÚiterableÚextra©Ú	__class__r   ú0/tmp/pip-unpacked-wheel-kunv6awc/geojson/base.pyr      s    
zGeoJSON.__init__c                 C   s   t j| ddS )NT)Ú	sort_keys)ÚgeojsonÚdumps©r   r   r   r   Ú__repr__   s    zGeoJSON.__repr__c                 C   s,   z
| | W S  t k
r&   t|ƒ‚Y nX dS )z´
        Permit dictionary items to be retrieved like object attributes

        :param name: attribute name
        :type name: str, int
        :return: dictionary value
        N)ÚKeyErrorÚAttributeError©r   Únamer   r   r   Ú__getattr__   s    
zGeoJSON.__getattr__c                 C   s   || |< dS )zº
        Permit dictionary items to be set like object attributes.

        :param name: key of item to be set
        :type name: str
        :param value: value to set item to
        Nr   )r   r   Úvaluer   r   r   Ú__setattr__,   s    	zGeoJSON.__setattr__c                 C   s
   | |= dS )z–
        Permit dictionary items to be deleted like object attributes

        :param name: key of item to be deleted
        :type name: str
        Nr   r   r   r   r   Ú__delattr__7   s    zGeoJSON.__delattr__c                 C   s   | j dkr| S d S )Nr   )r   r   r   r   r   Ú__geo_interface__A   s    
zGeoJSON.__geo_interface__NFc              
   C   sê   |dkr|dk	r|ƒ }nÎt |tƒr(|}n¾t|ƒ}i }|D ]}|| ||< q8zT| d¡}zt|ƒ}W n" tk
r„   tdƒ |¡‚Y nX tt	j
|ƒ}	|	f |Ž}W nF ttfk
rä }
 z$|rÐd}|||
f; }t|ƒ‚|}W 5 d}
~
X Y nX |S )aE  Encode a GeoJSON dict into an GeoJSON object.
        Assumes the caller knows that the dict should satisfy a GeoJSON type.

        :param cls: Dict containing the elements to be encoded into a GeoJSON
        object.
        :type cls: dict
        :param ob: GeoJSON object into which to encode the dict provided in
        `cls`.
        :type ob: GeoJSON
        :param default: A default instance to append the content of the dict
        to if none is provided.
        :type default: GeoJSON
        :param strict: Raise error if unable to coerce particular keys or
        attributes to a valid GeoJSON structure.
        :type strict: bool
        :return: A GeoJSON object with the dict's elements as its constituents.
        :rtype: GeoJSON
        :raises TypeError: If the input dict contains items that are not valid
        GeoJSON types.
        :raises UnicodeEncodeError: If the input dict contains items of a type
        that contain non-ASCII characters.
        :raises AttributeError: If the input dict contains items that are not
        valid GeoJSON types.
        Nr   z{0} is not a GeoJSON typez3Cannot coerce %r into a valid GeoJSON structure: %s)Ú
isinstancer   r   ÚpopÚstrÚUnicodeEncodeErrorr   Úformatr	   r   Úfactoryr   Ú
ValueError)ÚclsÚobÚdefaultÚstrictÚinstanceÚmappingÚdÚkÚtype_Zgeojson_factoryÚinvalidÚmsgr   r   r   Úto_instanceF   s6    

ÿÿ
zGeoJSON.to_instancec                 C   s
   |   ¡  S ©N)Úerrorsr   r   r   r   Úis_valid|   s    zGeoJSON.is_validc                    s    ‡ fdd„|D ƒ}dd„ |D ƒS )zValidation helper function.c                 3   s   | ]}ˆ |ƒV  qd S r3   r   )Ú.0Úi©Ú	checkFuncr   r   Ú	<genexpr>ƒ   s     z,GeoJSON.check_list_errors.<locals>.<genexpr>c                 S   s   g | ]}|r|‘qS r   r   )r6   Úerrr   r   r   Ú
<listcomp>„   s      z-GeoJSON.check_list_errors.<locals>.<listcomp>r   )r   r9   ÚlstÚresultsr   r8   r   Úcheck_list_errors€   s    zGeoJSON.check_list_errorsc                 C   s   | j tkrt| j ƒ‚dS )zOReturn validation errors (if any).
        Implement in each subclass.
        N)r   r   ÚNotImplementedErrorr   r   r   r   r4   †   s    
zGeoJSON.errors)r   )NF)r
   Ú
__module__Ú__qualname__Ú__doc__r   r   Ú__str__r   r   r   Úpropertyr   Úclassmethodr2   r5   r?   r4   Ú__classcell__r   r   r   r   r      s   

5
r   )Ú
__future__r   r   Zgeojson.mappingr   Údictr   r   r   r   r   Ú<module>   s   