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"""Constant definitions"""
from rdflib import BNode, Literal, URIRef, Variable
COUNT_SELECT = 0
''' Return the count of the number of result tuples '''
CONTEXT_SELECT = 1
''' Return the matching contexts '''
TRIPLE_SELECT = 2
''' Return the matching triples '''
TRIPLE_SELECT_NO_ORDER = 3
''' Return the matching triples in any order '''
ASSERTED_NON_TYPE_PARTITION = 3
''' Table of non-type triples '''
ASSERTED_TYPE_PARTITION = 4
''' Table of type triples '''
QUOTED_PARTITION = 5
''' Table of `quoted`_ type triples
.. _quoted: https://rdflib.readthedocs.io/en/stable/univrdfstore.html#terminology
'''
ASSERTED_LITERAL_PARTITION = 6
''' Table of triples with literals '''
FULL_TRIPLE_PARTITIONS = [QUOTED_PARTITION, ASSERTED_LITERAL_PARTITION]
INTERNED_PREFIX = "kb_"
TERM_COMBINATIONS = dict([(term, index) for index, term in enumerate([
"UUUU", "UUUB", "UUUF", "UUVU", "UUVB", "UUVF", "UUBU", "UUBB", "UUBF",
"UULU", "UULB", "UULF", "UUFU", "UUFB", "UUFF",
#
"UVUU", "UVUB", "UVUF", "UVVU", "UVVB", "UVVF", "UVBU", "UVBB", "UVBF",
"UVLU", "UVLB", "UVLF", "UVFU", "UVFB", "UVFF",
#
"VUUU", "VUUB", "VUUF", "VUVU", "VUVB", "VUVF", "VUBU", "VUBB", "VUBF",
"VULU", "VULB", "VULF", "VUFU", "VUFB", "VUFF",
#
"VVUU", "VVUB", "VVUF", "VVVU", "VVVB", "VVVF", "VVBU", "VVBB", "VVBF",
"VVLU", "VVLB", "VVLF", "VVFU", "VVFB", "VVFF",
#
"BUUU", "BUUB", "BUUF", "BUVU", "BUVB", "BUVF", "BUBU", "BUBB", "BUBF",
"BULU", "BULB", "BULF", "BUFU", "BUFB", "BUFF",
#
"BVUU", "BVUB", "BVUF", "BVVU", "BVVB", "BVVF", "BVBU", "BVBB", "BVBF",
"BVLU", "BVLB", "BVLF", "BVFU", "BVFB", "BVFF",
#
"FUUU", "FUUB", "FUUF", "FUVU", "FUVB", "FUVF", "FUBU", "FUBB", "FUBF",
"FULU", "FULB", "FULF", "FUFU", "FUFB", "FUFF",
#
"FVUU", "FVUB", "FVUF", "FVVU", "FVVB", "FVVF", "FVBU", "FVBB", "FVBF",
"FVLU", "FVLB", "FVLF", "FVFU", "FVFB", "FVFF",
])])
REVERSE_TERM_COMBINATIONS = dict([
(value, key)
for key, value in TERM_COMBINATIONS.items()
])
TERM_INSTANTIATION_DICT = {
"U": URIRef,
"B": BNode,
"V": Variable,
"L": Literal
}
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