jy"ddlmZmZddlmZddlmZmZddlm Z m Z ddl m Z ddl mZddlmZddlmZdd lmZdd lmZdd lmZdd lmZdd lmZmZGddeZdS))byrefc_double)GDALBase)Envelope OGREnvelope) GDALException SRSException)Feature) OGRFieldTypes) OGRGeometry) OGRGeomType)dsgeom)srs)SpatialReference) force_bytes force_strcLeZdZdZdZdZdZdZdZdZ e dZ e d Z e dd Z e d Ze d Ze dZe dZe dZe dZe dZdZdZe eeZdZddZdZdS)Layerza A class that wraps an OGR Layer, needs to be instantiated from a DataSource object. c|std||_||_tj|j|_|d|_dS)a7 Initialize on an OGR C pointer to the Layer and the `DataSource` object that owns this layer. The `DataSource` object is required so that a reference to it is kept with this Layer. This prevents garbage collection of the `DataSource` while this Layer is still active. z*Cannot create Layer, invalid pointer givens RandomReadN) rptr_dscapiget_layer_defn_ptr_ldefntest_capability _random_read)self layer_ptrrs l/var/www/finuniver-perm.ru/html/portfolio/venv/lib/python3.11/site-packages/django/contrib/gis/gdal/layer.py__init__zLayer.__init__sZ N LMM M)$)44  00??c@t|tr*|dkrtd|St|tr;|j\}}}fdt|||DStd)z'Get the Feature at the specified index.rz/Negative indices are not allowed on OGR Layers.c:g|]}|S) _make_feature).0fidr s r" z%Layer.__getitem__..6s'RRRD&&s++RRRr$z>Integers and slices may only be used when indexing OGR Layers.) isinstanceint IndexErrorr(sliceindicesnum_featrange TypeError)r indexstartstopstrides` r" __getitem__zLayer.__getitem__*s eS ! ! qyy !RSSS%%e,, , u % % "'-- ">"> E4RRRRuUD&7Q7QRRR RP r$c#Ktj|jt|jD]+}t tj|j|V,dS)z'Iterate over each Feature in the Layer.N)r reset_readingrr2r1r get_next_feature)r is r"__iter__zLayer.__iter__<sh 49%%%t}%% B BA$/ ::DAA A A A A B Br$c|jS)z%The length is the number of features.)r1r s r"__len__z Layer.__len__Cs }r$c|jS)zThe string name of the layer.)namer?s r"__str__z Layer.__str__Gs yr$c|jr9 ttj|j||S#t $rYnwxYw|D]}|j|kr|cStd|z)a. 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If the OGR Layer does not support random-access reading, then each feature of the layer will be incremented through until the a Feature is found matching the given feature ID. zInvalid feature id: %s.)rr r get_featurerrr*r.)r feat_idfeats r"r(zLayer._make_featureKs    t/'BBDIII        8w&&KKK'2W<===s '1 >>ct}tj|jt |dt |S)z.Return the extent (an Envelope) of this layer.)rr get_extentrrr)r envs r"extentz Layer.extentbs5mm %**a000}}r$cltj|j}t||jjdS)z1Return the name of this layer in the Data Source.T strings_only)r get_fd_namerrrencoding)r rBs r"rBz Layer.nameis0 ,,tx0tDDDDr$rIc6tj|j|S)z+Return the number of features in the Layer.)rget_feature_countr)r forces r"r1zLayer.num_featos%dh666r$c4tj|jS)z)Return the number of fields in the Layer.)rget_field_countrr?s r" num_fieldszLayer.num_fieldsts#DK000r$cNttj|jS)z4Return the geometry type (OGRGeomType) of the Layer.)r rget_fd_geom_typerr?s r" geom_typezLayer.geom_typeys40==>>>r$c tj|j}tt j|S#t $rYdSwxYw)z0Return the Spatial Reference used in this Layer.N)r get_layer_srsrrsrs_api clone_srsr )r rs r"rz Layer.srs~sT $TX..C#G$5c$:$:;; ;   44 s9< A  A cDfdtjDS)zt Return a list of string names corresponding to each of the Fields available in this Layer. c g|]H}ttjtjj|jjdIS)TrN)rrget_field_nameget_field_defnrrrQr)r<r s r"r+z Layer.fields..sb    #D$7 Q$G$GHH!!      r$r2rWr?s`r"fieldsz Layer.fieldss:     4?++     r$cDfdtjDS)z Return a list of the types of fields in this Layer. 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Valid capability strings include: 'RandomRead', 'SequentialWrite', 'RandomWrite', 'FastSpatialFilter', 'FastFeatureCount', 'FastGetExtent', 'CreateField', 'Transactions', 'DeleteFeature', and 'FastSetNextByIndex'. )boolrrrr)r capabilitys r"rzLayer.test_capabilitys)D(;z3J3JKKLLLr$N)rI)F)__name__ __module__ __qualname____doc__r#r8r=r@rCr(propertyrLrBr1rWrZrrerirmrrrwrspatial_filterrrrr'r$r"rrs @ @ @$BBB>>>.X EEXE 777X711X1??X?X   X     X    X   X  $X13FGGN777 0 0 0 0MMMMMr$rN) ctypesrrdjango.contrib.gis.gdal.baser django.contrib.gis.gdal.enveloperrdjango.contrib.gis.gdal.errorrr django.contrib.gis.gdal.featurer django.contrib.gis.gdal.fieldr "django.contrib.gis.gdal.geometriesr django.contrib.gis.gdal.geomtyper "django.contrib.gis.gdal.prototypesrrrrtrr]django.contrib.gis.gdal.srsrdjango.utils.encodingrrrr'r$r"rsO""""""""111111BBBBBBBBEEEEEEEE333333777777::::::888888999999??????======88888888888888UMUMUMUMUMHUMUMUMUMUMr$