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    b                     @   s   d Z ddlmZ 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 ddlmZ dd	lmZ dd
lmZ ddlmZ ddlmZ G dd deZG dd deeZdS )z\
SQL functions reference lists:
https://www.gaia-gis.it/gaia-sins/spatialite-sql-4.3.0.html
    )models)BaseSpatialOperations)SpatiaLiteAdapter)SpatialOperator)GEOSGeometryGEOSGeometryBase)wkb_r)Distance)ImproperlyConfigured)DatabaseOperations)cached_property)get_version_tuplec                       s   e Zd Z fddZ  ZS )SpatialiteNullCheckOperatorc                    s"   t  ||||\}}d| |fS )Nz%s > 0)superas_sql)self
connectionlookupZtemplate_paramsZ
sql_paramssqlparams	__class__ s/var/www/secure340b-portal/env/lib/python3.10/site-packages/django/contrib/gis/db/backends/spatialite/operations.pyr      s   z"SpatialiteNullCheckOperator.as_sql)__name__
__module____qualname__r   __classcell__r   r   r   r   r      s    r   c                
   @   s  e Zd ZdZdZeZdZdZdZ	dZ
dZi ded	d
dedd
dedd
dedd
dedd
dedd
dedd
dedd
dedd
dedd
dedd
ded d
d!ed"d
d#ed$d
d%ed	d
d&ed	d
d'ed(d
ZejfZd)Zd*d+d,d-d.d/d0d1d2d3	Zed4d5 Zed6d7 Zd8d9 Zd:d; Zd<d= Zd>d? Zd@dA ZdBdC ZdDdE ZdFdG ZdHdI ZdJdK Z dLdM Z!dNdO Z"dPdQ Z#dRS )SSpatiaLiteOperations
spatialiteTZCollectZExtentZMakeLineZGUnionZGeomFromTextequalsZEquals)funcZdisjointZDisjointZtouchesZTouchesZcrossesZCrossesZwithinZWithinoverlapsZOverlapscontainsZContainsZ
intersectsZ
IntersectsZrelateZRelateZ	coveredbyZ	CoveredByZcoversZCovers	containedZ	MbrWithinZ
bbcontainsZMbrContainsZ
bboverlapsZMbrOverlapsZsame_asexactdwithinZPtDistWithinzCAST (AsEWKB(%s) AS BLOB)ZSt_AsBinaryZST_ForceLHRZ	ST_LengthZST_Line_Locate_PointZ
ST_NPointsZ
ST_ReverseZScaleCoordsZST_TranslateZST_Union)	ZAsWKBZForcePolygonCWZLengthZLineLocatePointZ	NumPointsZReverseZScaleZ	TranslateUnionc                 C   s    h d}|   s|h dO }|S )N>   MemSizeBoundingCircleGeometryDistance>   AzimuthGeoHashIsValid	MakeValid)lwgeom_version)r   unsupportedr   r   r   unsupported_functionsQ   s   z*SpatiaLiteOperations.unsupported_functionsc              
   C   sZ   z
|   dd }W n ty" } ztd| jjd f |d}~ww |dk r+td|S )z0Determine the version of the SpatiaLite library.   Nz}Cannot determine the SpatiaLite version for the "%s" database. Was the SpatiaLite initialization SQL loaded on this database?NAME)      r   z.GeoDjango supports SpatiaLite 4.3.0 and above.)spatialite_version_tuple	Exceptionr
   r   Zsettings_dict)r   versionexcr   r   r   spatial_versionX   s    
z$SpatiaLiteOperations.spatial_versionc                 C   sJ   |du rdS t |j}|d dd \}}|d dd \}}||||fS )zV
        Convert the polygon data received from SpatiaLite to min/max values.
        Nr      )r   shell)r   boxr<   ZxminZyminZxmaxZymaxr   r   r   convert_extenth   s   
z#SpatiaLiteOperations.convert_extentc                 C   s   dS )z
        Return None because geometry columns are added via the
        `AddGeometryColumn` stored procedure on SpatiaLite.
        Nr   )r   fr   r   r   geo_db_types   s   z SpatiaLiteOperations.geo_db_typec                 C   sj   |sg S |d }t |tr0|| jr!|dkrtd|j}|gS t|t|| j}|gS |}|gS )zu
        Return the distance parameters for the given geometry field,
        lookup value, and lookup type.
        r   r&   zNOnly numeric values of degree units are allowed on geographic DWithin queries.)	
isinstancer	   Zgeodeticr   
ValueErrormgetattrZunit_attnameZ
units_name)r   r?   valueZlookup_typeZ
dist_paramr   r   r   get_distancez   s   
z!SpatiaLiteOperations.get_distancec                 C   s>   | j  }z|d|  | }W |  |d S |  w )z
        Helper routine for calling SpatiaLite functions and returning
        their result.
        Any error occurring in this method should be handled by the caller.
        z	SELECT %sr   )r   Z_cursorexecuteZfetchoneclose)r   r!   cursorrowr   r   r   _get_spatialite_func   s   


z)SpatiaLiteOperations._get_spatialite_funcc                 C   
   |  dS )z:Return the version of GEOS used by SpatiaLite as a string.zgeos_version()rK   r   r   r   r   geos_version      
z!SpatiaLiteOperations.geos_versionc                 C   rL   )z:Return the version of the PROJ library used by SpatiaLite.zproj4_version()rM   rN   r   r   r   proj_version   rP   z!SpatiaLiteOperations.proj_versionc                 C   rL   )z8Return the version of LWGEOM library used by SpatiaLite.zlwgeom_version()rM   rN   r   r   r   r/      rP   z#SpatiaLiteOperations.lwgeom_versionc                 C   rL   )z2Return the SpatiaLite library version as a string.zspatialite_version()rM   rN   r   r   r   spatialite_version   rP   z'SpatiaLiteOperations.spatialite_versionc                 C   s   |   }|ft| S )zl
        Return the SpatiaLite version as a tuple (version string, major,
        minor, subminor).
        )rR   r   )r   r8   r   r   r   r6      s   z-SpatiaLiteOperations.spatialite_version_tuplec                 C   s"   |  dkrdn|  }t| |S )zr
        Return the spatial aggregate SQL template and function for the
        given Aggregate instance.
        unionunionagg)lowerrD   )r   Zagg_namer   r   r   spatial_aggregate_name   s   
z+SpatiaLiteOperations.spatial_aggregate_namec                 C      ddl m} |S )Nr   )SpatialiteGeometryColumns)0django.contrib.gis.db.backends.spatialite.modelsrX   )r   rX   r   r   r   geometry_columns      z%SpatiaLiteOperations.geometry_columnsc                 C   rW   )Nr   )SpatialiteSpatialRefSys)rY   r\   )r   r\   r   r   r   spatial_ref_sys   r[   z$SpatiaLiteOperations.spatial_ref_sysc                    s"   |j j t j fdd}|S )Nc                    s   | d u rd S t |  S )N)r   )rE   
expressionr   
geom_classreadr   r   	converter   s   z>SpatiaLiteOperations.get_geometry_converter.<locals>.converter)Zoutput_fieldr`   r   ra   )r   r^   rb   r   r_   r   get_geometry_converter   s   z+SpatiaLiteOperations.get_geometry_converterN)$r   r   r   namer   r   ZAdapterZcollectZextentZmakelinerT   Z	from_textr   r   Zgis_operatorsr   ZExtent3DZdisallowed_aggregatesselectZfunction_namesr   r1   r:   r>   r@   rF   rK   rO   rQ   r/   rR   r6   rV   rZ   r]   rc   r   r   r   r   r      s    






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	





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

	r   N)__doc__Zdjango.contrib.gis.dbr   Z.django.contrib.gis.db.backends.base.operationsr   Z1django.contrib.gis.db.backends.spatialite.adapterr   Z$django.contrib.gis.db.backends.utilsr   Z django.contrib.gis.geos.geometryr   r   Z%django.contrib.gis.geos.prototypes.ior   Zdjango.contrib.gis.measurer	   Zdjango.core.exceptionsr
   Z%django.db.backends.sqlite3.operationsr   Zdjango.utils.functionalr   Zdjango.utils.versionr   r   r   r   r   r   r   <module>   s    