B ð\Ó ã@sPdZddlmZddlZddlmZdd„Zdd „ZGd d „d e ƒZ d d „Z dS)z7 Implements a portion of the selection operations. é)Úabsolute_importNé)Úh5scsŠt|ƒdkrˆ}nLˆjdkr&tdƒ‚n8t‡fdd„|DƒƒrFtdƒ‚nt ‡fdd„|Dƒ¡}t|ƒd kr~|j|dd}n|}||fS) z„ Returns a 2-tuple containing: 1. Output dataset dtype 2. Dtype containing HDF5-appropriate description of destination rNz+Field names only allowed for compound typesc3s|]}|ˆjkVqdS)N)Únames)Ú.0Úx)Ú dataset_dtype©ú3lib/python3.7/site-packages/h5py/_hl/selections2.pyú szread_dtypes..z#Field does not appear in this type.csg|]}|ˆj|df‘qS)r)Úfields)rÚname)rr r ú $szread_dtypes..é)ÚlenrÚ ValueErrorÚanyÚnpZdtyper )rrZ format_dtypeZ output_dtyper )rr Ú read_dtypess     rcCsP|jdkrtdƒ‚|dkr d}n|tfkr0d}ntdƒ‚| ¡}| ¡||fS)z“ Returns a 2-tuple containing: 1. Output dataset shape 2. HDF5 dataspace containing source selection. Works for scalar datasets. r z1Illegal selection function for non-scalar datasetNz-Illegal slicing argument for scalar dataspace)ÚshapeÚ RuntimeErrorÚEllipsisrZ get_spaceÚ select_all)ZdsidÚargsZ out_shapeZ source_spacer r r Úread_selections_scalar0s  rc@s eZdZdZdd„Zdd„ZdS)ÚScalarReadSelectionz5 Implements slicing for scalar datasets. cCsB|dkrd|_n|tfkr"d|_ntdƒ‚t tj¡|_||_dS)Nr z-Illegal slicing argument for scalar dataspace)ZmshaperrrZcreateZSCALARÚmspaceÚfspace)Úselfrrr r r Ú__init__Rs zScalarReadSelection.__init__ccs|j ¡|j|jfVdS)N)rrr)rr r r Ú__iter__]s zScalarReadSelection.__iter__N)Ú__name__Ú __module__Ú __qualname__Ú__doc__rr r r r r rLs rcCs|jdkrt||ƒStƒ‚dS)zn Top-level dispatch function for reading. At the moment, only supports reading from scalar datasets. r N)rrÚNotImplementedError)rrr r r Ú select_readas  r&) r$Z __future__rZnumpyrÚrrrÚobjectrr&r r r r Ú s