spaCy/spacy/lang/tokenizer_exceptions.py

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# coding: utf8
from __future__ import unicode_literals
# The use of this module turns out to be important, to avoid pathological
# back-tracking. See Issue #957
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import regex as re
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from ..symbols import ORTH, POS, LEMMA, SPACE, PUNCT
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# URL validation regex courtesy of: https://mathiasbynens.be/demo/url-regex
# A few minor mods to this regex to account for use cases represented in test_urls
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URL_PATTERN = (
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r"^"
# in order to support the prefix tokenization (see prefix test cases in test_urls).
r"(?=[\w])"
# protocol identifier
r"(?:(?:https?|ftp|mailto)://)?"
# user:pass authentication
r"(?:\S+(?::\S*)?@)?"
r"(?:"
# IP address exclusion
# private & local networks
r"(?!(?:10|127)(?:\.\d{1,3}){3})"
r"(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})"
r"(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})"
# IP address dotted notation octets
# excludes loopback network 0.0.0.0
# excludes reserved space >= 224.0.0.0
# excludes network & broadcast addresses
# (first & last IP address of each class)
# MH: Do we really need this? Seems excessive, and seems to have caused
# Issue #957
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r"(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])"
r"(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}"
r"(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))"
r"|"
# host name
r"(?:(?:[a-z0-9\-]*)?[a-z0-9]+)"
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# domain name
r"(?:\.(?:[a-z0-9\-])*[a-z0-9]+)*"
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# TLD identifier
r"(?:\.(?:[a-z]{2,}))"
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r")"
# port number
r"(?::\d{2,5})?"
# resource path
r"(?:/\S*)?"
# query parameters
r"\??(:?\S*)?"
# in order to support the suffix tokenization (see suffix test cases in test_urls),
r"(?<=[\w/])"
r"$"
).strip()
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TOKEN_MATCH = re.compile(URL_PATTERN, re.UNICODE).match
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BASE_EXCEPTIONS = {}
for exc_data in [
{ORTH: " ", POS: SPACE},
{ORTH: "\t", POS: SPACE},
{ORTH: "\\t", POS: SPACE},
{ORTH: "\n", POS: SPACE},
{ORTH: "\\n", POS: SPACE},
{ORTH: "\u2014", POS: PUNCT, LEMMA: "--"},
{ORTH: "\u00a0", POS: SPACE, LEMMA: " "}]:
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BASE_EXCEPTIONS[exc_data[ORTH]] = [exc_data]
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for orth in [
"'", "\\\")", "<space>", "''", "C++", "a.", "b.", "c.", "d.", "e.", "f.",
"g.", "h.", "i.", "j.", "k.", "l.", "m.", "n.", "o.", "p.", "q.", "r.",
"s.", "t.", "u.", "v.", "w.", "x.", "y.", "z.", "ä.", "ö.", "ü."]:
BASE_EXCEPTIONS[orth] = [{ORTH: orth}]
emoticons = set("""
:)
:-)
:))
:-))
:)))
:-)))
(:
(-:
=)
(=
")
:]
:-]
[:
[-:
:o)
(o:
:}
:-}
8)
8-)
(-8
;)
;-)
(;
(-;
:(
:-(
:((
:-((
:(((
:-(((
):
)-:
=(
>:(
:')
:'-)
:'(
:'-(
:/
:-/
=/
=|
:|
:-|
:1
:P
:-P
:p
:-p
:O
:-O
:o
:-o
:0
:-0
:()
>:o
:*
:-*
:3
:-3
=3
:>
:->
:X
:-X
:x
:-x
:D
:-D
;D
;-D
=D
xD
XD
xDD
XDD
8D
8-D
^_^
^__^
^___^
>.<
>.>
<.<
._.
;_;
-_-
-__-
v.v
V.V
v_v
V_V
o_o
o_O
O_o
O_O
0_o
o_0
0_0
o.O
O.o
O.O
o.o
0.0
o.0
0.o
@_@
<3
<33
<333
</3
(^_^)
(-_-)
(._.)
(>_<)
(*_*)
(¬_¬)
ಠ_ಠ
(ಠ_ಠ)
¯\()/¯
(°°
><(((*>
""".split())
for orth in emoticons:
BASE_EXCEPTIONS[orth] = [{ORTH: orth}]