mirror of
https://github.com/explosion/spaCy.git
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214 lines
3.1 KiB
Python
214 lines
3.1 KiB
Python
# coding: utf8
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from __future__ import unicode_literals
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# The use of this module turns out to be important, to avoid pathological
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# back-tracking. See Issue #957
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import regex
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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
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# 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"^"
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# in order to support the prefix tokenization (see prefix test cases in test_urls).
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r"(?=[\w])"
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# protocol identifier
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r"(?:(?:https?|ftp|mailto)://)?"
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# user:pass authentication
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r"(?:\S+(?::\S*)?@)?"
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r"(?:"
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# IP address exclusion
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# private & local networks
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r"(?!(?:10|127)(?:\.\d{1,3}){3})"
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r"(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})"
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r"(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})"
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# IP address dotted notation octets
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# excludes loopback network 0.0.0.0
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# excludes reserved space >= 224.0.0.0
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# excludes network & broadcast addresses
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# (first & last IP address of each class)
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# MH: Do we really need this? Seems excessive, and seems to have caused
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# Issue #957
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r"(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])"
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r"(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}"
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r"(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))"
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r"|"
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# host name
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r"(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)"
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# domain name
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r"(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*"
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# TLD identifier
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r"(?:\.(?:[a-z\u00a1-\uffff]{2,}))"
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r")"
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# port number
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r"(?::\d{2,5})?"
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# resource path
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r"(?:/\S*)?"
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# query parameters
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r"\??(:?\S*)?"
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# in order to support the suffix tokenization (see suffix test cases in test_urls),
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r"(?<=[\w/])"
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r"$"
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).strip()
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TOKEN_MATCH = regex.compile(_URL_PATTERN, regex.UNICODE).match
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BASE_EXCEPTIONS = {}
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for exc_data in [
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{ORTH: " ", POS: SPACE},
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{ORTH: "\t", POS: SPACE},
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{ORTH: "\\t", POS: SPACE},
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{ORTH: "\n", POS: SPACE},
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{ORTH: "\\n", POS: SPACE},
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{ORTH: "\u2014", POS: PUNCT, LEMMA: "--"},
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{ORTH: "\u00a0", POS: SPACE, LEMMA: " "}]:
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BASE_EXCEPTIONS[exc_data[ORTH]] = [dict(exc_data)]
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for orth in [
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"'", "\\\")", "<space>", "''", "C++", "a.", "b.", "c.", "d.", "e.", "f.",
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"g.", "h.", "i.", "j.", "k.", "l.", "m.", "n.", "o.", "p.", "q.", "r.",
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"s.", "t.", "u.", "v.", "w.", "x.", "y.", "z.", "ä.", "ö.", "ü."]:
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BASE_EXCEPTIONS[orth] = [{ORTH: orth}]
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emoticons = set("""
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:)
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:-)
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:))
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:-))
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:)))
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:-)))
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(:
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(-:
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=)
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(=
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")
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:]
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:-]
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[:
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[-:
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:o)
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(o:
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:}
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:-}
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8)
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8-)
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(-8
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;)
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;-)
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(;
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(-;
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:(
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:-(
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:((
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:-((
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:(((
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:-(((
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):
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)-:
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=(
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>:(
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:')
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:'-)
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:'(
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:'-(
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:/
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:-/
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=/
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=|
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:|
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:-|
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:1
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:P
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:-P
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:p
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:-p
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:O
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:-O
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:o
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:-o
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:0
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:-0
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:()
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>:o
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:*
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:-*
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:3
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:-3
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=3
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:>
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:->
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:X
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:-X
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:x
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:-x
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:D
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:-D
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;D
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;-D
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=D
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xD
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XD
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xDD
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XDD
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8D
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8-D
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^_^
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^__^
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^___^
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>.<
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>.>
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<.<
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._.
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;_;
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-_-
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-__-
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v.v
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V.V
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v_v
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V_V
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o_o
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o_O
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O_o
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O_O
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0_o
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o_0
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0_0
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o.O
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O.o
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O.O
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o.o
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0.0
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o.0
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0.o
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@_@
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<3
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<33
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<333
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</3
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(^_^)
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(-_-)
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(._.)
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(>_<)
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(*_*)
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(¬_¬)
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ಠ_ಠ
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ಠ︵ಠ
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(ಠ_ಠ)
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¯\(ツ)/¯
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(╯°□°）╯︵┻━┻
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><(((*>
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""".split())
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for orth in emoticons:
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BASE_EXCEPTIONS[orth] = [{ORTH: orth}]
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