B
    ¥0H[W  ã               @   sh   d dl mZ d dlmZ d dlmZ d dlmZmZ d dl	m
ZmZ d dlmZmZ G dd„ deƒZd	S )
é    )ÚGDALBase)ÚGDALException)ÚField)ÚOGRGeometryÚOGRGeomType)ÚdsÚgeom)Úforce_bytesÚ
force_textc               @   s¢   e Zd ZdZejZdd„ Zdd„ Zdd„ Z	dd	„ Z
d
d„ Zedd„ ƒZedd„ ƒZedd„ ƒZedd„ ƒZedd„ ƒZedd„ ƒZedd„ ƒZdd„ Zdd„ ZdS )ÚFeatureza
    This class that wraps an OGR Feature, needs to be instantiated
    from a Layer object.
    c             C   s   |st dƒ‚|| _|| _dS )zI
        Initialize Feature from a pointer and its Layer object.
        z1Cannot create OGR Feature, invalid pointer given.N)r   ÚptrÚ_layer)ÚselfZfeatZlayer© r   úcC:\Users\HIRONO~1\AppData\Local\Temp\pip-install-6bm3nxem\django\django\contrib\gis\gdal\feature.pyÚ__init__   s    zFeature.__init__c             C   sL   t |tƒr|  |¡}n,d|  kr,| jk r6n n|}ntd| ƒ‚t| |ƒS )a.  
        Get the Field object at the specified index, which may be either
        an integer or the Field's string label.  Note that the Field object
        is not the field's _value_ -- use the `get` method instead to
        retrieve the value (e.g. an integer) instead of a Field instance.
        r   z9Index out of range when accessing field in a feature: %s.)Ú
isinstanceÚstrÚindexÚ
num_fieldsÚ
IndexErrorr   )r   r   Úir   r   r   Ú__getitem__   s    
zFeature.__getitem__c             C   s   | j S )z+Return the count of fields in this feature.)r   )r   r   r   r   Ú__len__,   s    zFeature.__len__c             C   s   d| j | jf S )zThe string name of the feature.zFeature FID %d in Layer<%s>)ÚfidÚ
layer_name)r   r   r   r   Ú__str__0   s    zFeature.__str__c             C   s   t t | j|j¡ƒS )z'Do equivalence testing on the features.)ÚboolÚcapiZfeature_equalr   Z_ptr)r   Úotherr   r   r   Ú__eq__4   s    zFeature.__eq__c             C   s
   | j jjS )N)r   Z_dsÚencoding)r   r   r   r   r!   9   s    zFeature.encodingc             C   s   t  | j¡S )zReturn the feature identifier.)r   Zget_fidr   )r   r   r   r   r   =   s    zFeature.fidc             C   s   t  | jj¡}t|| jdd�S )z-Return the name of the layer for the feature.T)Ústrings_only)r   Zget_feat_namer   Ú_ldefnr
   r!   )r   Únamer   r   r   r   B   s    zFeature.layer_namec             C   s   t  | j¡S )z+Return the number of fields in the Feature.)r   Zget_feat_field_countr   )r   r   r   r   r   H   s    zFeature.num_fieldsc                s   ‡ fdd„t ˆ jƒD ƒS )z'Return a list of fields in the Feature.c          	      s.   g | ]&}t t t ˆ jj|¡¡ˆ jd d�‘qS )T)r"   )r
   r   Zget_field_nameZget_field_defnr   r#   r!   )Ú.0r   )r   r   r   ú
<listcomp>Q   s   z"Feature.fields.<locals>.<listcomp>)Úranger   )r   r   )r   r   ÚfieldsM   s    
zFeature.fieldsc             C   s   t  | j¡}tt |¡ƒS )z)Return the OGR Geometry for this Feature.)r   Zget_feat_geom_refr   r   Úgeom_apiZ
clone_geom)r   Zgeom_ptrr   r   r   r   X   s    zFeature.geomc             C   s   t t | jj¡ƒS )z-Return the OGR Geometry Type for this Feture.)r   r   Zget_fd_geom_typer   r#   )r   r   r   r   Ú	geom_type_   s    zFeature.geom_typec             C   s   t |d|ƒ}| | jS )z²
        Return the value of the field, instead of an instance of the Field
        object.  May take a string of the field name or a Field object as
        parameters.
        r$   )ÚgetattrÚvalue)r   ÚfieldÚ
field_namer   r   r   Úgete   s    zFeature.getc             C   s*   t  | jt|ƒ¡}|dk r&td| ƒ‚|S )z)Return the index of the given field name.r   z!Invalid OFT field name given: %s.)r   Zget_field_indexr   r	   r   )r   r.   r   r   r   r   r   n   s    zFeature.indexN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   Zdestroy_featureZ
destructorr   r   r   r   r    Úpropertyr!   r   r   r   r(   r   r*   r/   r   r   r   r   r   r      s    		r   N)Zdjango.contrib.gis.gdal.baser   Zdjango.contrib.gis.gdal.errorr   Zdjango.contrib.gis.gdal.fieldr   Z"django.contrib.gis.gdal.geometriesr   r   Z"django.contrib.gis.gdal.prototypesr   r   r   r)   Zdjango.utils.encodingr	   r
   r   r   r   r   r   Ú<module>   s   