1
2
3
4
5
6
7
8
|
# Very simple tokenizer
|
>
|
>
>
|
1
2
3
4
5
6
7
8
9
10
11
|
"""
Very simple tokenizer
using regular expressions
"""
import re
_PATTERNS = {
"default":
(
r'(?P<FOLDERUNIX>/(?:bin|boot|dev|etc|home|lib|mnt|opt|root|sbin|tmp|usr|var|Bureau|Documents|Images|Musique|Public|Téléchargements|Vidéos)(?:/[\w.()-]+)*)',
|
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
r'(?P<SIGN>[%‰+=*/<>⩾⩽-])',
r"(?P<WORD>\w+(?:[’'`-]\w+)*)"
)
}
class Tokenizer:
def __init__ (self, sLang):
self.sLang = sLang
if sLang not in _PATTERNS:
self.sLang = "default"
self.zToken = re.compile( "(?i)" + '|'.join(sRegex for sRegex in _PATTERNS[sLang]) )
def genTokens (self, sText, bStartEndToken=False):
i = 0
if bStartEndToken:
yield { "i": 0, "sType": "INFO", "sValue": "<start>", "nStart": 0, "nEnd": 0 }
for i, m in enumerate(self.zToken.finditer(sText), 1):
yield { "i": i, "sType": m.lastgroup, "sValue": m.group(), "nStart": m.start(), "nEnd": m.end() }
if bStartEndToken:
iEnd = len(sText)
yield { "i": i+1, "sType": "INFO", "sValue": "<end>", "nStart": iEnd, "nEnd": iEnd }
|
>
>
|
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
r'(?P<SIGN>[%‰+=*/<>⩾⩽-])',
r"(?P<WORD>\w+(?:[’'`-]\w+)*)"
)
}
class Tokenizer:
"Tokenizer: transforms a text in a list of tokens"
def __init__ (self, sLang):
self.sLang = sLang
if sLang not in _PATTERNS:
self.sLang = "default"
self.zToken = re.compile( "(?i)" + '|'.join(sRegex for sRegex in _PATTERNS[sLang]) )
def genTokens (self, sText, bStartEndToken=False):
"generator: tokenize <sText>"
i = 0
if bStartEndToken:
yield { "i": 0, "sType": "INFO", "sValue": "<start>", "nStart": 0, "nEnd": 0 }
for i, m in enumerate(self.zToken.finditer(sText), 1):
yield { "i": i, "sType": m.lastgroup, "sValue": m.group(), "nStart": m.start(), "nEnd": m.end() }
if bStartEndToken:
iEnd = len(sText)
yield { "i": i+1, "sType": "INFO", "sValue": "<end>", "nStart": iEnd, "nEnd": iEnd }
|