File size: 2,765 Bytes
2c3c408 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | import io
import numpy as np
import tiledb.cc as lt
from .ctx import CtxMixin
from .data_order import DataOrder
from .datatypes import DataType
class DimLabel(CtxMixin, lt.DimensionLabel):
"""
Represents a TileDB dimension label.
"""
def __repr__(self) -> str:
dtype = "ascii" if self.isascii else self.dtype
return (
f"DimLabel(name={self.name}, dtype='{dtype!s}', "
f"var={self.isvar!s}, order={self.order!s})"
)
def _repr_html_(self):
output = io.StringIO()
output.write("<table>")
output.write("<tr>")
output.write("<th>Name</th>")
output.write("<th>Data Type</th>")
output.write("<th>Is Var-Len</th>")
output.write("<th>Data Order</th>")
output.write("</tr>")
output.write(f"{self._repr_html_row_only_()}")
output.write("</table>")
return output.getvalue()
def _repr_html_row_only_(self):
output = io.StringIO()
output.write("<tr>")
output.write(f"<td>{self.name}</td>")
output.write(f"<td>{'ascii' if self.isascii else self.dtype}</td>")
output.write(f"<td>{self.isvar}</td>")
output.write(f"<td>{self.order}</td>")
output.write("</tr>")
return output.getvalue()
@property
def dim_index(self) -> int:
"""Index of the dimension the labels are for.
:rtype: int
"""
return self._dim_index
@property
def dtype(self) -> np.dtype:
"""Numpy dtype representation of the label type.
:rtype: numpy.dtype
"""
return DataType.from_tiledb(self._tiledb_label_dtype).np_dtype
@property
def isvar(self) -> bool:
"""True if the labels are variable length.
:rtype: bool
"""
return self._label_ncell == lt.TILEDB_VAR_NUM()
@property
def isascii(self) -> bool:
"""True if the labels are variable length.
:rtype: bool
"""
return self._tiledb_label_dtype == lt.DataType.STRING_ASCII
@property
def label_attr_name(self) -> str:
"""Name of the attribute storing the label data.
:rtype: str
"""
return self._label_attr_name
@property
def name(self) -> str:
"""The name of the dimension label.
:rtype: str
"""
return self._name
@property
def order(self) -> str:
"""The order of the label data in the dimension label.
:rtype: str
"""
return DataOrder(self._tiledb_label_order).name
@property
def uri(self) -> str:
"""The URI of the array containing the dimension label data.
:rtype: str
"""
return self._uri
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