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