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ucto_wrapper.pyx
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ucto_wrapper.pyx
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#embedsignature=True
#*****************************
# Python-ucto
# by Maarten van Gompel
# Centre for Language Studies
# Radboud University Nijmegen
#
# Licensed under GPLv3
#****************************/
from libcpp.string cimport string
from libcpp cimport bool
from libcpp.vector cimport vector
from cython.operator cimport dereference as deref, preincrement as inc
from cython import address
from libc.stdint cimport *
from libcpp.utility cimport pair
import os.path
import sys
cimport libfolia_classes
cimport ucto_classes
UCTODATAVERSION = "0.11"
class TokenRole:
NOROLE = 0
NOSPACE = 1
BEGINOFSENTENCE = 2
ENDOFSENTENCE = 4
NEWPARAGRAPH = 8
BEGINQUOTE = 16
ENDQUOTE = 32
TEMPENDOFSENTENCE = 64
class Token:
def __init__(self, text, tokentype, role):
self.text = text
self.tokentype = tokentype
self.role = role
def __str__(self):
return self.text
def type(self):
return self.tokentype
def isendofsentence(self):
return self.role & TokenRole.ENDOFSENTENCE
def iseos(self): #for lazy people
return self.role & TokenRole.ENDOFSENTENCE
def isbeginofsentence(self):
return self.role & TokenRole.BEGINOFSENTENCE
def isnewparagraph(self):
return self.role & TokenRole.NEWPARAGRAPH
def isbeginofquote(self):
return self.role & TokenRole.BEGINQUOTE
def isendofquote(self):
return self.role & TokenRole.ENDQUOTE
def nospace(self):
return self.role & TokenRole.NOSPACE
cdef class Tokenizer:
cdef ucto_classes.TokenizerClass tok
def __init__(self, filename, **kwargs):
self.tok.init(filename.encode('utf-8'))
for arg, value in kwargs.items():
if arg == 'lowercase':
self.tok.setLowercase(value is True)
elif arg == 'uppercase':
self.tok.setUppercase(value is True)
elif arg == 'sentencedetection':
sys.stderr.write("[python-ucto] Argument 'sentencedetection' is deprecated and has no effect, it is always enabled.\n")
elif arg == 'paragraphdetection':
self.tok.setParagraphDetection(value is True)
elif arg == 'quotedetection':
self.tok.setQuoteDetection(value is True)
elif arg == 'sentenceperlineinput':
self.tok.setSentencePerLineInput(value is True)
elif arg == 'sentenceperlineoutput':
self.tok.setSentencePerLineOutput(value is True)
elif arg == 'xmlinput' or arg == 'foliainput':
self.tok.setXMLInput(value is True)
elif arg == 'xmloutput' or arg == 'foliaoutput':
if 'docid' in kwargs:
docid = kwargs['docid']
else:
docid = "untitled"
self.tok.setXMLOutput(value is True, docid.encode('utf-8'))
elif arg == 'debug':
self.tok.setDebug(int(value))
elif arg == 'docid':
pass
else:
raise ValueError("No such keyword argument: " + arg)
def tokenize(self, str inputfile, str outputfile):
"""Run ucto from inputfile to outputfile (like command line tool)"""
self.tok.tokenize(inputfile.encode('utf-8'), outputfile.encode('utf-8'))
def process(self, str line):
"""Feed text to the tokeniser. This needs not be a single line."""
self.tok.tokenizeLine(line.encode('utf-8'))
def sentences(self):
cdef vector[string] results = self.tok.getUTF8Sentences()
cdef vector[string].iterator it = results.begin()
cdef int sentencecount = len(results)
while it != results.end():
yield str(deref(it), 'utf-8').replace("<utt>",'')
inc(it)
def lowercase(self):
return self.tok.getLowercase()
def uppercase(self):
return self.tok.getLowercase()
def __iter__(self):
cdef vector[ucto_classes.Token] v
cdef vector[ucto_classes.Token].iterator it
while True:
v = self.tok.popSentence()
if v.empty():
break
it = v.begin()
while it != v.end():
tokentext = str(deref(it).texttostring(), 'utf-8')
tokentype = str(deref(it).typetostring(), 'utf-8')
role = deref(it).role
if self.lowercase():
tokentext = tokentext.lower()
elif self.uppercase():
tokentext = tokentext.upper()
yield Token(tokentext, tokentype, role)
inc(it)
def localpath():
xdg_config_dir = os.environ.get("XDG_CONFIG_HOME", os.path.join(os.environ.get("HOME",""), ".config"))
return os.environ.get("UCTODATAPATH", os.path.join(xdg_config_dir,"ucto") )
def installdata(targetdir=None, version=UCTODATAVERSION):
if targetdir is None:
targetdir = localpath()
else:
targetdir = os.path.join(targetdir,"ucto")
if os.path.exists(targetdir):
print(f"Uctodata configuration directory already exists: {targetdir}, refusing to overwrite, please remove it first if you want to install all data anew.", file=sys.stderr)
else:
tmpdir=os.environ.get("TMPDIR","/tmp")
if os.system(f"cd {tmpdir} && mkdir -p {targetdir} && wget -O uctodata.tar.gz https:/LanguageMachines/uctodata/releases/download/v{version}/uctodata-{version}.tar.gz && tar -xzf uctodata.tar.gz && cd uctodata-{version} && mv config/* {targetdir}/ && cd .. && rm -Rf uctodata-{version} && rm -Rf uctodata.tar.gz") != 0:
raise Exception("Installation failed")
print(f"Installation of uctodata {version} complete", file=sys.stderr)
if os.path.isdir("/usr/share/libexttextcat"):
if os.system(f"cd {targetdir} && wget -O textcat.cfg https://raw.githubusercontent.com/LanguageMachines/ucto/master/config/textcat.cfg") != 0:
raise Exception("Installation of textcat.cfg failed")
else:
print("Language detection will not be available unless you install libexttextcat and rerun installdata()", file=sys.stderr)