def socket_client(data):
client = socket(AF_INET, SOCK_STREAM)
client.connect(ADDR)
try:
client.send(data.encode('utf8'))
except Exception, e:
log.error("send message error, reason is : %s" % e)
async def make_request(self, session):
"""This method loads json data about all currencies"""
try:
async with session.get(RATES_BASE_URL) as response:
if response.status == 200:
responce_data = await response.text()
responce_data_dict = json.loads(responce_data)
if self.is_debug_mode:
print(response)
else:
logging.error(response.status, "Получен код ошибки")
return None
await session.close()
return responce_data_dict["Valute"]
except ClientConnectionError as error:
logging.error(error)
def upload():
if request.method == 'POST':
f = request.files['file']
basepath = os.path.dirname(__file__) # 当前文件所在路径
upload_path = os.path.join(basepath, 'static\uploads',
secure_filename(f.filename))
# upload_path = os.path.join('C:\Users\hp\Documents\Neo4j\default.graphdb\import')
log.info('go+++++++++++++++++++++++:%s' % upload_path)
# upload_path = os.path.join(basepath)
# 注意：没有的文件夹一定要先创建，不然会提示没有该路径
try:
f.save(upload_path)
except Exception, e:
log.error('write the msg into file error, reason is: %s' % e)
return '写入失败，因为:%s' % e
return redirect(url_for('upload'))
def broadcast_message(message):
global connectionlist
message_utf_8 = message.encode('utf-8')
log.info('connectlist array is: %s' % connectionlist)
for connection in connectionlist.values():
back_str = []
back_str.append('\x81')
data_length = len(message_utf_8)
if data_length <= 125:
back_str.append(chr(data_length))
elif data_length <= 65535:
back_str.append(struct.pack('b', 126))
back_str.append(struct.pack('>h', data_length))
# back_str.append(chr(data_length >> 8))
# back_str.append(chr(data_length & 0xFF))
# a = struct.pack('>h', data_length)
# b = chr(data_length >> 8)
# c = chr(data_length & 0xFF)
elif data_length <= (2 ^ 64 - 1):
# back_str.append(chr(127))
back_str.append(struct.pack('b', 127))
back_str.append(struct.pack('>q', data_length))
# back_str.append(chr(data_length >> 8))
# back_str.append(chr(data_length & 0xFF))
else:
print('太长了')
msg = ''
for c in back_str:
msg += c
back_str = str(msg) + message_utf_8 # encode('utf-8')
# connection.send(str.encode(str(u"\x00%s\xFF\n\n" % message))) #这个是旧版
# print (u'send message:' + message)
if back_str is not None and len(back_str) > 0:
print(back_str)
try:
connection.send(back_str)
except Exception, e:
log.error('send error, reason is: %s' % e)
from py2neo import Graph
from igraph import Graph as IGraph
graph = Graph("http://localhost:7474", username="******", password="******")
query = '''
MATCH (c1:person)-[r:rel]->(c2:person)
RETURN c1.name, c2.name, r.property1 AS weight
'''
ig = IGraph.TupleList(graph.run(query), weights=True)
# 社区发现
if __name__ == '__main__':
try:
log.info('ig is: type(%s)' % type(ig))
clusters = IGraph.community_walktrap(ig, weights=None).as_clustering()
except Exception, e:
log.error('error.....:%s' % e)
raise
nodes = [{"name": node["name"]} for node in ig.vs]
for node in nodes:
idx = ig.vs.find(name=node["name"]).index
node["community"] = clusters.membership[idx]
write_clusters_query = '''
UNWIND {nodes} AS n
MATCH (c:person) WHERE c.name = n.name
SET c.community = toInt(n.community)
'''
graph.run(write_clusters_query, nodes=nodes)
# 在Neo4j中查询有多少个社区以及每个社区的成员数：
# '''
# MATCH (c:person)
# WITH c.community AS cluster, collect(c.name) AS members
return raw_str
def socket_client(data):
client = socket(AF_INET, SOCK_STREAM)
client.connect(ADDR)
try:
client.send(data.encode('utf8'))
except Exception, e:
log.error("send message error, reason is : %s" % e)
try:
data = client.recv(BUFSIZ)
except Exception, e:
log.error("recv the message error, reason is: %s" % e)
log.info(data.decode('utf8'))
return data
# 广播用
def broadcast_message(message):
global connectionlist
message_utf_8 = message.encode('utf-8')
log.info('connectlist array is: %s' % connectionlist)
for connection in connectionlist.values():
back_str = []
back_str.append('\x81')
data_length = len(message_utf_8)