o

�a��@s8
dZd
dl
Z
d
dlZd
dlmZmZmZmZmZ
d
dl	m
Z

d
dlmZ
d
dl
mZmZ
d
dlmZ
e
�d�
Zd	d
�Zedee�Zdd�Zee�
Zedee�Zd
d�Zee�
ZGdd�de�ZGdd�de�ZGdd�de�ZGdd�de�Zee�
Zee�
Zee�
Zee�
Z ee�
Z!Gdd�d�Z"dd�Z#dd�Z$dS)a


 This module houses the ctypes initialization procedures, as well
 as the notice and error handler function callbacks (get called
 when an error occurs in GEOS).

 This module also houses GEOS Pointer utilities, including
 get_pointer_arr(), and GEOM_PTR.
�N)�CDLL�	CFUNCTYPE�POINTER�	Structure�c_char_p)
�find_library)
�ImproperlyConfigured)�SimpleLazyObject�cached_property)
�get_version_tuplezdjango.contrib.giscCs�zd
dlm
}
|j}
Wnttttfy


d}
Yn
w|
r d}ntjdkr*ddg}ntjdkr4ddg}ntdtj�
�
|rL|D]}t	|�
}
|
du
rK
n
q?|
durYtd	d
�
|�
�
�
t|
�
}t|j
_tg
|j_t|j_|S)Nr
)
�settings�nt�geos_czlibgeos_c-1�posix�GEOSzUnsupported OS "%s"z]Could not find the GEOS library (tried "%s"). Try setting GEOS_LIBRARY_PATH in your settings.z", ")�django.confr�GEOS_LIBRARY_PATH�AttributeError�ImportErrorr�OSError�os�namer�joinr�CONTEXT_PTR�
initGEOS_r�restype�finishGEOS_r�argtypesr�GEOSversion)r�lib_path�	lib_names�lib_name�_lgeos�r#�A/usr/lib/python3/dist-packages/django/contrib/gis/geos/libgeos.py�	load_geoss<




�










�

��	


r%cC�F|��|
��}}
z||
}Wnt
y


|}Yn
wt�d
|�
dS)NzGEOS_NOTICE: %s
)�decode�	TypeError�logger�warning)�fmt�lst�warn_msgr#r#r$�notice_hO�




�r.cCr&)NzGEOS_ERROR: %s
)r'r(r)�error)r+r,�err_msgr#r#r$�error_h]r/r2c
@�eZ
dZd
S)�
GEOSGeom_tN��__name__�
__module__�__qualname__r#r#r#r$r4l�
r4c
@r3)�GEOSPrepGeom_tNr5r#r#r#r$r:pr9r:c
@r3)�GEOSCoordSeq_tNr5r#r#r#r$r;tr9r;c
@r3)�GEOSContextHandle_tNr5r#r#r#r$r<xr9r<c@sBeZ
dZd
ZdZdZdZdddd�dd�Zdd�Ze	dd	��
Z
dS)
�GEOSFuncFactoryz)
    Lazy loading of GEOS functions.
    N)r�errcheckrcCs8|
|_|du
r
||_
|du
r||_|du
r||_dSdS�
N)�	func_namerr>r)�selfr@rr>rr#r#r$�__init__�s







�zGEOSFuncFactory.__init__c
Gs
|j|
�Sr?)
�func)rA�argsr#r#r$�__call__�s

zGEOSFuncFactory.__call__c
Cs<d
dlm
}

|
|j�
}|jpg|_|j|_|jr|j|_|S)Nr
)
�GEOSFunc)�-django.contrib.gis.geos.prototypes.threadsaferFr@rrr>)rArFrCr#r#r$rC�s






zGEOSFuncFactory.func)r6r7r8�__doc__rrr>rBrEr
rCr#r#r#r$r=�s


	
r=cCst�
�S)
z.Return the string version of the GEOS library.)�lgeosrr#r#r#r$�geos_version�srJcCstt
����
S)
z<Return the GEOS version as a tuple (major, minor, subminor).)rrJr'r#r#r#r$�geos_version_tuple�srK)%rH�loggingr�ctypesrrrrr�ctypes.utilr�django.core.exceptionsr�django.utils.functionalr	r
�django.utils.versionr�	getLoggerr)r%�
NOTICEFUNCr.�	ERRORFUNCr2r4r:r;r<�GEOM_PTR�PREPGEOM_PTR�CS_PTRrrIr=rJrKr#r#r#r$�<module>
s8





7