def main():
# Parameters
use_stopwords = True
character_level = False # 是否为单字级别的token
raw_set_name = 'THUCNews'
stopwords_name = 'cn_stopwords_punctuations.csv'
new_set_name = 'THUCNews.txt'
cut_set_name = 'THUCNews_jieba.txt'
# Paths
init_path = os.getcwd()
data_dir = os.path.join(init_path, 'datasets')
stopwords_path = os.path.join(data_dir, stopwords_name)
raw_set_path = os.path.join(data_dir, raw_set_name)
new_set_path = os.path.join(data_dir, new_set_name)
cut_set_path = os.path.join(data_dir, cut_set_name)
# Transforming and Dumping
x_texts, y_labels = get_texts_from_source(raw_set_path)
pd.DataFrame({'label': y_labels, 'text': x_texts})\
.to_csv(new_set_path, sep='\t', index=False, header=True)
if use_stopwords:
stopwords = pp.get_stopwords(stopwords_path)
x_texts = pp.tokenize_texts(x_texts, stopwords, character_level)
else:
x_texts = pp.tokenize_texts(x_texts, character_level=character_level)
pd.DataFrame({'label': y_labels, 'text': x_texts})\
.to_csv(cut_set_path, sep='\t', index=False, header=True)
def titile_tokens():
cnt = 0
try:
sw_path = os.path.join(cwd, "text/news_stopwords.txt")
sw_list = prep.get_stopwords(sw_path)
conn = MongoClient("127.0.0.1", 27017)
db = conn.netease
target = db.token_war.find({})
for i in target:
if "title_keywords" not in i.keys() or not i['title_keywords']:
cnt += 1
title_keywords = []
if len(i['keywords']) > 1: # article have keywords
title_keywords = i['title'] + '\t\t' + ' '.join(
i['keywords'])
else:
title_keywords = i['title']
tokens_string = ' '.join(
prep.tokenize(title_keywords,
sw_list=sw_list,
language='CN'))
db.token_war.update_one(
{'number': i['number']},
{'$set': {
'title_keywords': tokens_string
}})
print "%d title tokenize completed!" % cnt
conn.close()
except Exception as e:
print "From:art_tokenize:\t\nUnexpect Error: {}".format(e)
def testwebhook():
if request.method == 'GET':
return verify_webhook(request)
elif request.method == 'POST':
return do_conversational_flow(bot, request, utterances, model, encoder,
vector, stemmer, get_stopwords())
else:
return 'Error de solicitud'
def get_new_vec(model, docs, sw_path=default_sw_path, language="CN"):
sw_list = get_stopwords(sw_path)
new_doc_vec = []
try:
for doc in docs:
tokens = tokenize(doc, sw_list, language=language)
doc_vec = model.infer_vector(tokens)
new_doc_vec.append(doc_vec)
return new_doc_vec
except Exception as e:
print "From get_new_vec:\n\tUnexpect Error:{}".format(e)
def __iter__(self):
sw_list = get_stopwords(self.sw_path)
f = open(self.file_path)
csv_reader = csv.reader(f, delimiter='\t')
for i, line in enumerate(csv_reader):
if i + 1 > self.lines:
self.lines = i + 1
self.label_list.append(line[0]) # get the doc label
tag = "%s_%s" % (self.file_name, str(i))
# print '---1'
yield doc2vec.TaggedDocument(tokenize(line[1], sw_list, self.t),
tags=[tag])
def main():
crawl_state = crawl.main()
sp = os.path.join(cwd, "text/news_stopwords.txt")
sw_list = prep.get_stopwords(sp)
a = art_tokenize()
b = rm_sp_tokens(sw_list)
c = pos_clean_tokens()
titile_tokens()
title_clean_tokens()
crawl_state = crawl_state + '\n' + a + '\n' + b + '\n' + c
print "From the mongodb_io.py:"
print crawl_state
return crawl_state
def extract_bag_of_words(df, use_cached=True):
if use_cached and os.path.isfile('./cache/_cached_bag_of_words.pkl'):
with open('./cache/_cached_bag_of_words.pkl', 'rb') as infile:
tokens = pickle.load(infile)
return tokens
stopwords = get_stopwords()
tokens = {}
for n in range(df.shape[0]):
if not n % 1000:
print(n)
tokens[df.iloc[n]['status_id']] = pipe(df.iloc[n]['message'], stopwords)
with open('./cache/_cached_bag_of_words.pkl', 'wb') as outfile:
pickle.dump(tokens, outfile)
return tokens
def get_word_count(x):
"""
return normal word count, stop word count, unusual word count
"""
wc = x.apply(lambda text: len(word_tokenize(text)))
unique_wc = x.apply(lambda text: len(np.unique(tokenizer(text))))
stop_wc = x.apply(lambda text: len(get_stopwords(tokenizer(text))))
unusual_wc = x.apply(lambda text: len(get_unusual_words(tokenizer(text))))
return pd.DataFrame(
{
'{}_word_count'.format(x.name): wc,
'{}_unique_word_count'.format(x.name): unique_wc,
'{}_stopword_count'.format(x.name): stop_wc,
'{}_unusual_word_count'.format(x.name): unusual_wc,
'{}_total_word_count'.format(x.name): wc + stop_wc + unusual_wc
}
)
def tokenize():
content = request.args.get('content', None, type=str)
print "From view.py tokenize:%s" % content
sw_list = prep.get_stopwords(
"/home/skipper/study/python/project/text/news_stopwords.txt")
tokens = prep.tokenize(content, sw_list, language="CN")
for i in tokens:
print i
tokens_string = '/'.join(tokens)
print tokens_string
pos_tag, pos_string = prep.pos_test(tokens)
print "From view.py tokenize: %s\n%s\n%s\n" % (tokens_string, pos_tag,
pos_string)
detail = {}
detail['tokens_string'] = tokens_string
detail['pos_tag'] = pos_tag
detail['pos_string'] = pos_string
return jsonify(detail)
# Paths
init_path = os.getcwd()
data_dir = os.path.join(init_path, 'datasets')
stopwords_path = os.path.join(data_dir, stopwords_name)
save_dir = os.path.join(init_path, 'saved_models')
model_path = os.path.join(save_dir, model_name)
tokenizer_path = os.path.join(save_dir, tokenizer_name)
labels_path = os.path.join(save_dir, labels_index)
graph = get_default_graph()
# stopwords, label names
stopwords = pp.get_stopwords(stopwords_path)
with open(labels_path) as f:
labels_name = f.readlines()
labels_name = [x.split('\t') for x in labels_name]
labels_name = {int(x[0]): x[1] for x in labels_name}
# model, tokenizer
model = load_model(model_path, compile=True)
with open(tokenizer_path, 'rb') as f:
tokenizer = pickle.load(f)
def get_pred(texts):
"""预测文本类别。
Parameters
def main(date_start=None,
date_end=None,
n_clusters=0,
days=5,
saving=0,
show=0):
if saving == 1:
import myvisual as visual
else:
import myvisual_show as visual
sw_path = os.path.join(cwd, "text/news_stopwords.txt")
sw_list = prep.get_stopwords(sw_path)
if date_start and date_end:
s_eles = date_start.split('/')
s_eles = [int(i) for i in s_eles]
s_eles = [str(i) for i in s_eles]
d_st = datetime(int(s_eles[0]), int(s_eles[1]), int(s_eles[2]))
e_eles = date_end.split('/')
e_eles = [int(i) for i in e_eles]
e_eles = [str(i) for i in e_eles]
d_end = datetime(int(e_eles[0]), int(e_eles[1]), int(e_eles[2]), 23,
59, 59)
if n_clusters == 0:
base_path = '_'.join(s_eles) + '-' + '_'.join(e_eles) + '-orign'
else:
base_path = '_'.join(s_eles) + '-' + '_'.join(
e_eles) + '-Clusters_%s' % str(n_clusters)
print "The store paht: %s" % base_path
else:
c_t = time.localtime(time.time())
tag_time = crawl.get_point_time(
days) # 0 present today 0:0 -1 present tommorow
b = str(tag_time).split()[0].split('-')
b = [int(i) for i in b]
b = [str(i) for i in b]
# modify 9/19/2017
# add
date_start = '/'.join(i for i in b)
date_end = '/'.join([str(c_t[0]), str(c_t[1]), str(c_t[2])])
# print "-------"
# print "%s---%s"%(date_start, date_end)
d_st = tag_time
d_end = datetime(c_t[0], c_t[1], c_t[2], c_t[3], c_t[4], c_t[5])
# print d_st, d_end
# add done
if n_clusters == 0:
base_path = '_'.join(b) + '-' + '_'.join(
[str(c_t[0]), str(c_t[1]),
str(c_t[2])]) + '-orign'
else:
base_path = '_'.join(b) + '-' + '_'.join(
[str(c_t[0]), str(c_t[1]),
str(c_t[2])]) + '-Clusters_%s' % str(n_clusters)
print "The store path: %s" % base_path
flask_path = '/static/img/' + base_path
print flask_path
if os.path.exists(os.path.join(cwd, 'app') + flask_path) and show == 0:
p_list = ['mds.jpg', 'pca.jpg', 'bar.jpg', 'pie.jpg']
p_list = [flask_path + '/' + i for i in p_list]
p_list.append(base_path)
print "The main function return file path list:"
print p_list
return p_list
else:
path = os.path.join(cwd, 'app') + flask_path
if saving == 1:
os.mkdir(path)
# changing
print "Loading data from the MongoDB......"
# if date_start and date_end:
# target = mgio.get_target_1(d_st, d_end)
# else:
# target = mgio.get_target(tag_time)
target = mgio.get_target_1(d_st, d_end)
# changed
# modify 9/19/2017
# Maybe the mongodb no news during specified time period
# add
if not target.count():
print "Oh Oh Oh No news between %s and %s" % (d_st, d_end)
print "Crawling the news form the website..."
# crawl.main()
mgio.main()
target = mgio.get_target_1(d_st, d_end)
# return
# From the first execute when every test, so using jupyter, but you need recreate jupyter file
# add done
data = prep.convert_to_dataframe(target)
cnt = len(data)
doc_id = list(data.id)
print "The number of article: %d" % cnt
print "Detail as follows:"
df = pd.DataFrame(data, columns=['id', 'date', 'title', 'url'])
print df
tokens_string = list(data.im_tokens)
d = {'id': data['id'], 'date': data['date'], 'keywords': tokens_string}
df = pd.DataFrame(d)
print df
if cnt > 0:
print "Creating TF TDM......"
tf_matrix, dictionary = mycluster.get_tf_matrix(tokens_string)
print "The length of dictionary: %d" % len(dictionary)
print "Creating TF-IDF TDM......"
tfidf_matrix = mycluster.get_tfidf_matrix(tf_matrix)
print "Creating the words and weight of every doc......"
docs_keywords_string, docs_words_weight = mycluster.get_first_n_words(
tfidf_matrix, 10, dictionary)
k_w = {}
for i, ele in enumerate(docs_words_weight):
keys = ele.keys()
weight = ele.values()
k_w['%d_word' % i] = pd.Series(keys)
k_w['%d_weight' % i] = pd.Series(weight)
df = pd.DataFrame(k_w)
print df
if n_clusters == 0:
n_clusters = int(sqrt(cnt / 2))
print "The n_clusters is: %d" % n_clusters
print "Clustering......"
labels = mycluster.get_label_list(n_clusters, tfidf_matrix)
data['cluster'] = labels
index_list = list(data['cluster'].value_counts().index)
hot_sort = data['cluster'].value_counts()
df = pd.DataFrame.from_dict({
'Cluster Label': hot_sort.index,
'Article Count': hot_sort.values
})
df = pd.DataFrame(df, columns=['Cluster Label', 'Article Count'])
print df
for i in index_list:
print "Cluster Lable: %d" % index_list[i]
print "# The count of article: %d" % hot_sort[i]
df = pd.DataFrame.from_dict({'id': list(pd.DataFrame(data.loc[data['cluster'] == i])['id']),\
'title':list(pd.DataFrame(data.loc[data['cluster'] == i])['title']),\
'url': list(pd.DataFrame(data.loc[data['cluster'] == i])['url'])})
df = pd.DataFrame(df, columns=['id', 'title', 'url'])
print df
clusters_topic_dict = {}
clusters_art_number = {}
clusters_title_keywords = mycluster.get_clusters_detail(
n_clusters, data, 'im_title')
for i, art_list in enumerate(clusters_title_keywords):
texts = [ele.split() for ele in art_list]
t = topic.get_topic_string(
texts) # get topic according im_tokens through lda model
clusters_topic_dict[index_list[i]] = t
clusters_art_number[index_list[i]] = len(art_list)
topic_list = []
art_number_list = []
c_classes_keywords_sort = []
for idx in index_list:
topic_list.append(clusters_topic_dict[idx])
art_number_list.append(clusters_art_number[idx])
df = pd.DataFrame.from_dict({'Cluster Label': index_list, 'Article Count': art_number_list,\
'Topic Based on Title': topic_list})
df = pd.DataFrame(df,
columns=[
'Cluster Label', 'Article Count',
'Topic Based on Title'
])
print df
visual.mds_show(tfidf_matrix, clusters_topic_dict, n_clusters,
data, path, saving)
visual.pca_show(tfidf_matrix, clusters_topic_dict, n_clusters,
data, path, saving)
clusters_cmt_number = {}
clusters_cmt_detail = []
clusters_id_list = mycluster.get_clusters_detail(
n_clusters, data, 'id')
for i, cluster_id_list in enumerate(clusters_id_list):
cmt_detail = mgio.id_get_cmts(
cluster_id_list) # return DataFrame format
clusters_cmt_detail.append(cmt_detail)
clusters_cmt_number[index_list[i]] = len(cmt_detail)
visual.cluster_barh_new(n_clusters, index_list, clusters_topic_dict,\
clusters_art_number, clusters_cmt_number, path, saving)
cmt_number_list = []
for idx in index_list:
cmt_number_list.append(clusters_cmt_number[idx])
hot_sort = data['cluster'].value_counts()
df = pd.DataFrame.from_dict({
'Cluster Label': hot_sort.index,
'Comment Count': cmt_number_list
})
df = pd.DataFrame(df, columns=['Cluster Label', 'Comment Count'])
print df
file_path = os.path.join(cwd, 'cmt_stit.txt')
# file_path = '/home/skipper/study/python/project_v2/cmt_stit.txt'
stopwords_path = os.path.join(cwd, "text/stopsign.txt")
# stopwords_path = "/home/skipper/nltk_data/Other_data/stopwords/stopsign.txt"
d_stit_prop_dict = {}
s_stit_prop_dict = {}
for i, cmt_detail in enumerate(clusters_cmt_detail):
cmt_list = list(cmt_detail['content'])
svm_label = sentiment.get_stit_label(cmt_list, file_path = file_path, \
sw_path = stopwords_path, name = "svm", language = "CN")
snow_label = sentiment.get_snow_label(cmt_list)
# Add to DataFrame
cmt_detail['d_label'] = svm_label
cmt_detail['s_label'] = snow_label
d_stit_prop_dict[index_list[i]] = sentiment.get_stit_prop(
svm_label)
s_stit_prop_dict[index_list[i]] = sentiment.get_stit_prop(
snow_label)
for i, cmt_detail in enumerate(clusters_cmt_detail):
print "# The Cluster label: %d" % index_list[i]
print "# The count of article: %d" % cmt_number_list[i]
df = pd.DataFrame(
cmt_detail,
columns=['vote', 'against', 'd_label', 'content'])
print df
visual.cluster_stit_pie(n_clusters, index_list, d_stit_prop_dict,
clusters_topic_dict, path, saving)
print "Creating the sub class Topic......"
sub_cluster, sub_weight = mycluster.get_classes(
n_clusters, data, docs_words_weight, docs_keywords_string)
classes_keywords = mycluster.get_class_keywords(
n_clusters, 3, sub_cluster, sub_weight)
print "For K-means clustering "
mycluster.all_output(n_clusters, classes_keywords, clusters_topic_dict, \
sub_cluster, data, d_stit_prop_dict, s_stit_prop_dict)
p_list = ['mds.jpg', 'pca.jpg', 'bar.jpg', 'pie.jpg']
p_list = [flask_path + '/' + i for i in p_list]
p_list.append(base_path)
print "The main function return file path list:"
print p_list
return p_list
