def fast_ngram_counter_x(input):
x = input[0]
size_seq = input[1]
Nb_rows=input[2]
sample = input[3]
nb_sequences=input[4]
concept_list=input[5]
name_bdd = input[6]
dictionnaire_gramme_x={}
lim_d = str(size_seq*x)
if x<nb_sequences:
duration = str(size_seq)
else:
duration = str(min(Nb_rows - size_seq*x,sample))
where=1
contenu = fonctions_bdd.select_bdd_table_where_limite(name_bdd,'billets','content_lemmatise',sample,requete,where,lim_d+','+duration,Nb_rows)
billetprocessed_after_requete=0
for billetlemm in contenu:
billetprocessed_after_requete=1+billetprocessed_after_requete
if not billetprocessed_after_requete%500 or billetprocessed_after_requete == len(contenu) :
print '---------'+str(billetprocessed_after_requete)+ ' traités (export ngrammes sur '+str(Nb_rows)+ ' billets)'
billet_lemmatise = billetlemm[0]
if concept_list=='':
dictionnaire_gramme_x = text_processing.ngramme_build(billet_lemmatise.split(),maxTermLength,dictionnaire_gramme_x,language,'billet')
else:
dictionnaire_gramme_x = text_processing.ngramme_find(billet_lemmatise,dictionnaire_gramme_x,concept_list)
return dictionnaire_gramme_x
def do_calculation(year):
print str(year) + ' being processed '
where = " jours IN ('" + "','".join(list(map(str,year))) + "') "
contenu = fonctions_bdd.select_bdd_table_champ_simple(name_bdd,'billets','jours',where)
Nb_rows=len(contenu)
#il faut découper ici car ça prend trop de RAM
if sample<Nb_rows:
size_seq = sample
nb_sequences=0
else:
size_seq = 10000
nb_sequences = Nb_rows/size_seq
dictionnaire_gramme = {}#initialisation du dictionnaire de lemmes
billetprocessed_after_requete=0 #counts the number of processed posts
for x in range(nb_sequences+1):
dictionnaire_gramme_x={}
# billetprocessed_after_requete=1+billetprocessed_after_requete
lim_d = str(size_seq*x)
if x<nb_sequences:
duration = str(size_seq)
else:
duration = str(min(Nb_rows - size_seq*x,sample))
where = " jours IN ('" + "','".join(list(map(str,year))) + "') "
where=''
for ii,ystr in enumerate(list(map(str,year))):
if ii>0:
where = where + ' or '
where = where + ' jours = ' +"'"+ ystr+"'"
#print where
contenu = fonctions_bdd.select_bdd_table_where_limite(name_bdd,'billets','content_lemmatise',sample,requete,where,lim_d+','+duration,Nb_rows)
for billetlemm in contenu:
billetprocessed_after_requete=1+billetprocessed_after_requete
if not billetprocessed_after_requete%500 or billetprocessed_after_requete == Nb_rows :
print '---------'+str(billetprocessed_after_requete)+ ' traités (export ngrammes sur '+str(Nb_rows)+ ' billets)'
billet_lemmatise = billetlemm[0]
dictionnaire_gramme_x = text_processing.ngramme_build(billet_lemmatise.split(),maxTermLength,dictionnaire_gramme_x,language,'absolu')
dictionnaire_gramme=fonctions_lib.merge(dictionnaire_gramme, dictionnaire_gramme_x, lambda x,y:x+y)
return dictionnaire_gramme
for x in range(nb_sequences+1):
dictionnaire_gramme_x={}
# billetprocessed_after_requete=1+billetprocessed_after_requete
lim_d = str(size_seq*x)
if x<nb_sequences:
duration = str(size_seq)
else:
duration = str(min(Nb_rows - size_seq*x,sample))
contenu = fonctions_bdd.select_bdd_table_where_limite(name_bdd,'billets','content_lemmatise',sample,requete,where,lim_d+','+duration,Nb_rows)
for billetlemm in contenu:
billetprocessed_after_requete=1+billetprocessed_after_requete
if not billetprocessed_after_requete%500 or billetprocessed_after_requete == len(contenu) :
print '---------'+str(billetprocessed_after_requete)+ ' traités (export ngrammes sur '+str(Nb_rows)+ ' billets)'
billet_lemmatise = billetlemm[0]
dictionnaire_gramme_x = text_processing.ngramme_build(billet_lemmatise.split(),maxTermLength,dictionnaire_gramme_x,language,'absolu')
dictionnaire_gramme=fonctions_lib.merge(dictionnaire_gramme, dictionnaire_gramme_x, lambda x,y:x+y)
fonctions_lib.dumpingin(dictionnaire_gramme,name_export_pkl,requete)
#on trie par fréquence et on exporte le lexique final avec les occurrences
print '\n'
dico_final = misc.freq_tri(dictionnaire_gramme,freqmin,int(math.floor(top*1.1)),language,ng_filter)#on effectue le tri de notre dictionnaire
#print dico_final
# redondance=0#pas otimise le machin, attention!!! revoir avant d'activer la fonctionnalite
# #redondance = 0, on n'utilise pas l'algo qui calcule avec la redondance !
# if redondance == 1:
# print "\n--- beginning processing redundant nlemmes "
