spaCy/website/api/_cython/_lexemec.jade

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//- 💫 DOCS > API > CYTHON > STRUCTS > LEXEMEC
p
| Struct holding information about a lexical type. #[code LexemeC]
| structs are usually owned by the #[code Vocab], and accessed through a
| read-only pointer on the #[code TokenC] struct.
+aside-code("Example").
lex = doc.c[3].lex
+table(["Name", "Type", "Description"])
+row
+cell #[code flags]
+cell #[+abbr("uint64_t") #[code flags_t]]
+cell Bit-field for binary lexical flag values.
+row
+cell #[code id]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell
| Usually used to map lexemes to rows in a matrix, e.g. for word
| vectors. Does not need to be unique, so currently misnamed.
+row
+cell #[code length]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell Number of unicode characters in the lexeme.
+row
+cell #[code orth]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell ID of the verbatim text content.
+row
+cell #[code lower]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell ID of the lowercase form of the lexeme.
+row
+cell #[code norm]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell ID of the lexeme's norm, i.e. a normalised form of the text.
+row
+cell #[code shape]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell Transform of the lexeme's string, to show orthographic features.
+row
+cell #[code prefix]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell
| Length-N substring from the start of the lexeme. Defaults to
| #[code N=1].
+row
+cell #[code suffix]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell
| Length-N substring from the end of the lexeme. Defaults to
| #[code N=3].
+row
+cell #[code cluster]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell Brown cluster ID.
+row
+cell #[code prob]
+cell #[code float]
+cell Smoothed log probability estimate of the lexeme's type.
+row
+cell #[code sentiment]
+cell #[code float]
+cell A scalar value indicating positivity or negativity.
+h(3, "lexeme_get_struct_attr", "spacy/lexeme.pxd") Lexeme.get_struct_attr
+tag staticmethod
+tag nogil
p Get the value of an attribute from the #[code LexemeC] struct by attribute ID.
+aside-code("Example").
from spacy.attrs cimport IS_ALPHA
from spacy.lexeme cimport Lexeme
lexeme = doc.c[3].lex
is_alpha = Lexeme.get_struct_attr(lexeme, IS_ALPHA)
+table(["Name", "Type", "Description"])
+row
+cell #[code lex]
+cell #[code const LexemeC*]
+cell A pointer to a #[code LexemeC] struct.
+row
+cell #[code feat_name]
+cell #[code attr_id_t]
+cell
| The ID of the attribute to look up. The attributes are
| enumerated in #[code spacy.typedefs].
+row("foot")
+cell returns
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell The value of the attribute.
+h(3, "lexeme_set_struct_attr", "spacy/lexeme.pxd") Lexeme.set_struct_attr
+tag staticmethod
+tag nogil
p Set the value of an attribute of the #[code LexemeC] struct by attribute ID.
+aside-code("Example").
from spacy.attrs cimport NORM
from spacy.lexeme cimport Lexeme
lexeme = doc.c[3].lex
Lexeme.set_struct_attr(lexeme, NORM, lexeme.lower)
+table(["Name", "Type", "Description"])
+row
+cell #[code lex]
+cell #[code const LexemeC*]
+cell A pointer to a #[code LexemeC] struct.
+row
+cell #[code feat_name]
+cell #[code attr_id_t]
+cell
| The ID of the attribute to look up. The attributes are
| enumerated in #[code spacy.typedefs].
+row
+cell #[code value]
+cell #[+abbr("uint64_t") #[code attr_t]]
+cell The value to set.
+h(3, "lexeme_c_check_flag", "spacy/lexeme.pxd") Lexeme.c_check_flag
+tag staticmethod
+tag nogil
p Check the value of a binary flag attribute.
+aside-code("Example").
from spacy.attrs cimport IS_STOP
from spacy.lexeme cimport Lexeme
lexeme = doc.c[3].lex
is_stop = Lexeme.c_check_flag(lexeme, IS_STOP)
+table(["Name", "Type", "Description"])
+row
+cell #[code lexeme]
+cell #[code const LexemeC*]
+cell A pointer to a #[code LexemeC] struct.
+row
+cell #[code flag_id]
+cell #[code attr_id_t]
+cell
| The ID of the flag to look up. The flag IDs are enumerated in
| #[code spacy.typedefs].
+row("foot")
+cell returns
+cell #[code bint]
+cell The boolean value of the flag.
+h(3, "lexeme_c_set_flag", "spacy/lexeme.pxd") Lexeme.c_set_flag
+tag staticmethod
+tag nogil
p Set the value of a binary flag attribute.
+aside-code("Example").
from spacy.attrs cimport IS_STOP
from spacy.lexeme cimport Lexeme
lexeme = doc.c[3].lex
Lexeme.c_set_flag(lexeme, IS_STOP, 0)
+table(["Name", "Type", "Description"])
+row
+cell #[code lexeme]
+cell #[code const LexemeC*]
+cell A pointer to a #[code LexemeC] struct.
+row
+cell #[code flag_id]
+cell #[code attr_id_t]
+cell
| The ID of the flag to look up. The flag IDs are enumerated in
| #[code spacy.typedefs].
+row
+cell #[code value]
+cell #[code bint]
+cell The value to set.