def concordance(text, word):
cindex = ConcordanceIndex(text, key=lambda x: x.lower())
offsetList = cindex.offsets(word)
contexts = []
for i in offsetList[:10]:
pre = i - 10
post = i + 10
contextStr = " ".join(text[pre:post])
contexts.append(contextStr)
return contexts
def concordance(text, word):
cindex = ConcordanceIndex(text, key=lambda x:x.lower())
offsetList = cindex.offsets(word)
contexts = []
for i in offsetList[:10]:
pre = i-10
post = i+10
contextStr = ' '.join(text[pre:post])
contexts.append(contextStr)
return contexts
def getContext(vocabTokenizado,
contextos=False): #Con ésta función puedo tokenizar al 100%.
#Es una imitación de la función .concordance() Aprovéchenla :D
contextoIzq = []
contextoDer = []
ci = ConcordanceIndex(vocabTokenizado) #Hashea todos los tokens
palabra = input("\n\nIntroduce la palabra a comparar: ")
palabra = palabra.replace('\n', '')
palabra = palabra.lower()
resultados = concordance(ci, palabra)
if contextos != False: #Si no se estipula que se desean regresar los contextos, no ejecuta el siguiente bloque y se salta hasta el return resultados
palAnt = 0
palSig = ""
for renglon in resultados:
palAnt = 0
renglon = renglon.split()
for w in renglon:
w = w.lower()
if w == palabra:
break #El ciclo se rompe cuando la palabra es igual
palAnt += 1 #El último valor que guardará es la posicion de w
#print("len(renglon)->"+str(len(renglon)))
#print("pal->"+str(palAnt))
contextoIzq.append(renglon[palAnt - 1])
contextoDer.append(renglon[palAnt + 1])
return [
contextoIzq, contextoDer, resultados
] #Descomentar si se desea obtener todo el contexto izq y derecho + el resultado.
return resultados
def concordanceFunction(data):
showedText2.delete('1.0', END)
arrCon = ConcordanceIndex(nltk.Text(dataAnalysisCorpus.words()))
arr = concordance(arrCon, data)
for i in arr:
showedText2.insert(END, i + '\n')
def _build_concordance(self, text_str):
"""
Inherit or mimic the logic of ConcordanceIndex() at http://www.nltk.org/_modules/nltk/text.html
and/or ConcordanceSearchView() & SearchCorpus() at https://github.com/nltk/nltk/blob/develop/nltk/app/concordance_app.py
:param text_string: Text to be turned into a concordance
:type text_string: str
:return: list
"""
p = PunktLanguageVars()
orig_tokens = p.word_tokenize(text_str)
c = ConcordanceIndex(orig_tokens)
#! rm dupes after index, before loop
tokens = set(orig_tokens)
tokens = [x for x in tokens if x not in [',', '.', ';', ':', '"', "'", '[', ']']] # this needs to be changed or rm'ed
return c.return_concordance_all(tokens)
def phrasesContenant_bkp(corpus, mots):
"""
:DEPRECATED utiliser phrasesContenant() à la place
"""
print("début phrasesContenant()")
phrasesContenant = []
index = ConcordanceIndex(corpus)
#Pour chaque mot
for mot in mots:
positions = index.offsets(mot)
print("positions:", positions)
for position in positions:
phrasesContenant.append(corpus[position])
print("nb tokens:", len(phrasesContenant))
# print("tokens:",phrasesContenant)
print("fin phrasesContenant()")
return phrasesContenant
def _build_concordance(self, text_str):
"""
Inherit or mimic the logic of ConcordanceIndex() at http://www.nltk.org/_modules/nltk/text.html
and/or ConcordanceSearchView() & SearchCorpus() at https://github.com/nltk/nltk/blob/develop/nltk/app/concordance_app.py
:param text_string: Text to be turned into a concordance
:type text_string: str
:return: list
"""
p = PunktLanguageVars()
orig_tokens = p.word_tokenize(text_str)
c = ConcordanceIndex(orig_tokens)
#! rm dupes after index, before loop
tokens = set(orig_tokens)
tokens = [
x for x in tokens
if x not in [',', '.', ';', ':', '"', "'", '[', ']']
] # this needs to be changed or rm'ed
return c.return_concordance_all(tokens)
def form_example():
if request.method == 'POST':
term = request.form.get('term')
ci = ConcordanceIndex(corpus.tokens)
results = concordance(ci, term)
return '''<h1>The concordance result is:</h1>
{}
<br>
Click <a href='/'>here</a> to try again'''.format(results)
return '''<form method="POST">
def context(request):
error = False
tokens = tokenize(request.session['raw'])
if 'list' not in request.session:
job = queue.fetch_job(request.session['jid'])
# tagged = tags_to_token(request.session['raw'])
# emoList = NewList(filter_words(negations(tagged)), EMOLEX)
emoList = job.result
job.delete()
request.session['list'] = emoList
else:
emoList = request.session['list']
text = convert_to_text(tokens)
filtered = filter_words(tokens)
max_token = max_dist(emoList)
ngrams = n_grams(text, max_token, 5)
colls = collocations(filtered)
context = concordance(ConcordanceIndex(tokens), max_token)
if request.method == 'POST':
tree = getDict(text, request.POST['word'])
if not tree['name']:
error = True
else:
tree = getDict(text, max_token)
return render(
request, 'text_mining/context.html', {
'max': max_token,
'ngrams': random.sample(ngrams, 10),
'collocations': colls,
'context': context,
'treeword': tree,
'error': error
})
#!/usr/bin/python
# -*- encoding: utf-8 -*-
from bamana import test, wl, wl_detone
from nltk.text import ConcordanceIndex
from orthograph import convertw, detone
from morphology import lemmatize, dict_disambiguate, print_gloss
import re
ci = ConcordanceIndex(test.words(), key=lambda s: s.lower())
types = list(set([s.lower() for s in set(test.words())]))
types.sort()
for word in types:
if not re.search(r'[0-9.,;:!?]', word):
ci.print_concordance(word, lines=15)
print
nw = convertw(word)
nwl = [w for w in nw if w in wl]
if nwl:
formlist = nwl
else:
formlist = nw
result = []
for form in formlist:
if form != detone(form):
stage, gl = lemmatize(form, wl)
else:
stage, gl = lemmatize(form, wl_detone)
result.extend(gl)
#!/usr/bin/python
# -*- encoding: utf-8 -*-
from bamana import test,wl,wl_detone
from nltk.text import ConcordanceIndex
from orthograph import convertw,detone
from morphology import lemmatize, dict_disambiguate, print_gloss
import re
ci = ConcordanceIndex(test.words(), key=lambda s:s.lower())
types = list(set([s.lower() for s in set(test.words())]))
types.sort()
for word in types:
if not re.search(r'[0-9.,;:!?]', word):
ci.print_concordance(word, lines=15)
print
nw = convertw(word)
nwl = [w for w in nw if w in wl]
if nwl:
formlist = nwl
else:
formlist = nw
result = []
for form in formlist:
if form != detone(form):
stage, gl = lemmatize(form, wl)
else:
stage, gl = lemmatize(form,wl_detone)
result.extend(gl)
from nltk.text import ConcordanceIndex
from tokenizer import tokenize_string
from util import scan_all_files
if __name__ == '__main__':
parser = ArgumentParser(description='Simple NLTK-based concordancer.')
parser.add_argument('root_dir', help='Root directory to scan for files.')
parser.add_argument('word_regex')
parser.add_argument('-w', '--width', type=int, default=80)
args = parser.parse_args()
print(args)
word_regex = re.compile(args.word_regex, flags=re.IGNORECASE)
file_paths = scan_all_files(args.root_dir)
for file_path in file_paths:
with open(file_path) as f:
tokens = tokenize_string(f.read())
concordance_index = ConcordanceIndex(tokens,
key=lambda s: s.lower())
for search_token in filter(word_regex.fullmatch,
concordance_index._offsets):
concordance_list = concordance_index.find_concordance(
search_token, width=args.width)
if concordance_list:
for concordance_line in concordance_list:
print(" ".join([
concordance_line.left_print,
concordance_line.query.upper(),
concordance_line.right_print
]))
print("Type: 'texts()' to list the materials.")
ptext1 = Text(machado.words('romance/marm05.txt'),
name="Memórias Póstumas de Brás Cubas (1881)")
ptext2 = Text(machado.words('romance/marm08.txt'), name="Dom Casmurro (1899)")
ptext3 = Text(genesis.words('portuguese.txt'), name="Gênesis")
ptext4 = Text(mac_morpho.words('mu94se01.txt'),
name="Folha de Sao Paulo (1994)")
machado_fileids = machado.fileids()
machado_words = machado.words(
['romance/marm05.txt', 'cronica/macr04.txt', 'critica/mact15.txt'])
#machado_words = machado.words(machado_fileids) + mac_morpho.words('mu94se01.txt') + genesis.words('portuguese.txt')
machado_text = Text(machado_words)
machado_ci = ConcordanceIndex(machado_text)
def texts():
print("ptext1:", ptext1.name)
print("ptext2:", ptext2.name)
print("ptext3:", ptext3.name)
print("ptext4:", ptext4.name)
def common_vocab(text, n=50):
words = [word.lower() for word in text if word.isalpha()]
fdist = FreqDist(words)
common = fdist.most_common(n)
word_list = [w for (w, n) in common]
return word_list
def __init__(self, tokens, cites, key=lambda x: x):
ConcordanceIndex.__init__(self, tokens, key)
if len(tokens) != len(cites):
raise ValueError("Tokens and citations do not seem to match")
self._cites = cites
