a È[Ùféã@s<ddlmZddlmZddlmZmZGdd„deƒZdS)é)ÚCLOB)Ú WKTAdapter)ÚGeometryCollectionÚPolygonc@s>eZdZeZdd„Zedd„ƒZeddd„ƒZ edd „ƒZ d S)ÚOracleSpatialAdaptercs^t|tƒr ˆ |¡rJˆ |¡}n*t|tƒrJt‡fdd„|DƒƒrJˆ |¡}|jˆ_|jˆ_dS)a Oracle requires that polygon rings are in proper orientation. This affects spatial operations and an invalid orientation may cause failures. Correct orientations are: * Outer ring - counter clockwise * Inner ring(s) - clockwise c3s"|]}t|tƒoˆ |¡VqdS©N)Ú isinstancerÚ_polygon_must_be_fixed)Ú.0Úg©Úself©úC:\Users\91910\OneDrive\Desktop\vts_admin_rebuild-master\vts\Lib\site-packages\django/contrib/gis/db/backends/oracle/adapter.pyÚ sz0OracleSpatialAdapter.__init__..N) rrr Ú_fix_polygonrÚanyÚ_fix_geometry_collectionZwktZsrid)r ÚgeomrrrÚ__init__ s ÿ zOracleSpatialAdapter.__init__cCs$|jo"|jjp"tdd„|DƒƒS)Ncss|]}|jVqdSr)Úis_counterclockwise)r Úxrrrr"óz>OracleSpatialAdapter._polygon_must_be_fixed..)ÚemptyÚ exterior_ringrr)Úpolyrrrr s þz+OracleSpatialAdapter._polygon_must_be_fixedTcCsZ|r| ¡}|jjs$tt|jƒƒ|_tdt|ƒƒD]"}||jr2tt||ƒƒ||<q2|S)z:Fix single polygon orientation as described in __init__().é)ÚclonerrÚlistÚreversedÚrangeÚlen)ÚclsrrÚirrrr%s z!OracleSpatialAdapter._fix_polygoncCs:| ¡}t|ƒD]$\}}t|tƒr|j|dd||<q|S)zf Fix polygon orientations in geometry collections as described in __init__(). F)r)rÚ enumeraterrr)r"Zcollr#rrrrr4s z-OracleSpatialAdapter._fix_geometry_collectionN)T)Ú__name__Ú __module__Ú__qualname__rZ input_sizerÚstaticmethodr Úclassmethodrrrrrrrs rN)Z cx_OraclerZ+django.contrib.gis.db.backends.base.adapterrZdjango.contrib.gis.geosrrrrrrrÚs