def scanfilter(self, mmsi, table, query):
conn = self.getHbaseConnection()
t = happybase.Table(table, conn)
ed = int(time.time())
bg = ed - 8640000
# query_str = "ColumnPrefixFilter('your_prsifx_str') AND TimestampsFilter(your_timestamp)"
# filter = "SingleColumnValueFilter('f', 'id', =, 'substring:852223')", limit = 10
# for k, v in t.scan(filter=query,columns=["motion:mmsi","motion:rot","motion:sog"]):
res = list()
row_start = "{0}{1}".format(mmsi, bg)
row_stop = "{0}{1}".format(mmsi, ed)
for k, v in t.scan(filter=query,columns=["info:mmsi","info:source","motion:cog","motion:latitude",\
"motion:longitude","motion:rot","motion:sog","motion:time","motion:trueHeading"],row_start=row_start,row_stop=row_stop):
res.append([v[b"info:mmsi"].decode('utf8'),v[b"info:source"].decode('utf8'),v[b"motion:cog"].decode('utf8'),v[b"motion:latitude"].decode('utf8'),\
v[b"motion:longitude"].decode('utf8'),v[b"motion:rot"].decode('utf8'),v[b"motion:sog"].decode('utf8'),v[b"motion:time"].decode('utf8'),
v[b"motion:trueHeading"].decode('utf8')])
# for k,v in t.scan(filter=query,):
# print(v[b"info:mmsi"])
# for i,j in v.items():
# print(j.decode('utf8'))
# for i,j in v.items():
# res.append([])
# print(j.decode('utf8'))
return res
def __init__(self,
hbase: str,
table: str,
filter: str,
request: list = None,
batch_size: int = 128,
train_mode: bool = True,
field=FIELD):
self.connection = happybase.Connection(
hbase,
autoconnect=False,
# transport="framed",
# protocol="compact"
)
#Hbase自带有线程安全的连接池，踏允许多个线程共享和重用已经打开的连接。这对于多线程的应用是非常有用的。
# 当一个线程申请一个连接，它将获得一个租赁凭证，在此期间，这个线程单独享有这个连接。
# 当这个线程使用完该连接之后，它将该连接归还给连接池以便其他的线程可以使用
self.table = happybase.Table(table, self.connection)
self.filter = filter
#天 哪一天
self.request = request or []
assert isinstance(self.request, list), "request must be list!"
#copy 有区别的
self.field = field.copy()
def connect_to_hbase(hosts, table_name):
host = random.choice(hosts)
connection = happybase.Connection(host)
connection.open()
if table_name not in connection.tables():
connection.create_table(table_name, {'cf': dict()})
return happybase.Table(table_name, connection)
def create_htable(table_name):
HOSTS = ["hadoop2-%02d.yandex.ru" % i for i in xrange(11, 14)]
host = random.choice(HOSTS)
conn = happybase.Connection(host)
conn.open()
if table_name not in conn.tables():
conn.create_table(table_name, {'cf': dict()})
return happybase.Table(table_name, conn)
def scan_table(self, table, row_start, row_stop, row_prefix):
self.row_start = row_start
conn = self.get_hbase_connection()
t = happybase.Table(table, conn)
scan = t.scan(row_start=row_start,
row_stop=row_stop,
row_prefix=row_prefix,
limit=1000)
# print(self.recourd_count)
count = 0
for key, value in scan:
count += 1
# 记录用户登录事件
distinct_id = str(dict(value)['i:phone'.encode()])
if distinct_id == '':
self.zero_count += 1
continue
self.recourd_count += 1
grade = str(dict(value)['i:grade'.encode()])
g_list = grade.split("_")[1:-1]
corr = 0
num = 0
for r in g_list:
corr += int(r.split(":")[1])
num += int(r.split(":")[2])
if num == 0:
accuracy = 0.0
else:
accuracy = corr / num
properties = {
'HuaTuOnline_exercises':
float(dict(value)['i:exerciseNum'.encode()]),
'HuaTuOnline_prediction_score':
float(dict(value)['i:predictScore'.encode()]),
'HuaTuOnline_accuracy':
accuracy
}
# self.sa.profile_set(distinct_id, properties, is_login_id=True)
self.l.append((distinct_id, properties))
self.row_stop = key
if self.row_stop == self.row_start:
return 0
if count < 1000:
conn.close()
return 0
conn.close()
return 1
def connect(table_name):
host = random.choice(HOSTS)
conn = happybase.Connection(host)
logging.debug("Connecting to HBase Thrift Server on %s", host)
conn.open()
logging.debug("Using table %s", table_name)
return happybase.Table(table_name, conn)
def getUserComment_user(self, user_id):
c = happybase.Connection(host=hbase_host, port=hbase_port)
c.open()
comment_table = happybase.Table('comment_local', c)
query_str = "RowFilter (=, 'substring:" + str(user_id) + "_')"
query = comment_table.scan(filter=query_str, limit=1000)
result = list(query)
result = self.revert_user(result)
c.close()
return result
def batchPut(self, table):
'''
批量插入数据
:param table:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
batch = t.batch(batch_size=10)
return batch
def querySingleLine(self, table, rowkey):
'''
返回单行数据，返回tuple
:param table:表名
:param rowkey:行键
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
return t.row(rowkey)
def queryMultilLines(self, table, list):
'''
返回多行数据，返回dict
:param table:表名
:param list:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
return dict(t.rows(list))
def singleDelete(self, table, rowkey):
'''
删除单行数据
:param table:
:param rowkey:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.delete(rowkey)
def ucf(user_id):
connection = happybase.Connection(host=hbase_host, port=hbase_port)
connection.open()
recommend_table = happybase.Table('recommend', connection)
tmp = recommend_table.row(str(user_id))
movie_id = ''
for key, value in tmp.items():
movie_id = value.decode('utf-8')
connection.close()
return movie_id
def getRow(tableName, rowkey):
# 创建实例
connect = getConn()
connect.open()
table = happybase.Table(tableName, connect)
row = table.row(row=rowkey)
connect.close()
if row == None or not row:
return row
row = changeEncode(row)
return row
def deleteDetailColumns(self, table, rowkey, detailColumns):
'''
删除一个列族中的几个列的数据
:param table:
:param rowkey:
:param detailColumns:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.delete(rowkey, columns=detailColumns)
def deleteColumns(self, table, rowkey, columns):
'''
删除多个列族的数据
:param table:
:param rowkey:
:param columns:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.delete(rowkey, columns=columns)
def getRows(tableName, rowkeys):
connect = getConn()
connect.open()
table = happybase.Table(tableName, connect)
rows = table.rows(rows=rowkeys)
connect.close()
new_rows = []
for row in rows:
new_row = changeEncode(row)
new_rows.append(new_row)
return new_rows
def singlePut(self, table, rowkey, data):
'''
插入单条数据
:param table:
:param rowkey:
:param data:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.put(rowkey, data=data)
def scanTable(self, table): #, row_start, row_stop, row_prefix
conn = self.getHbaseConnection()
t = happybase.Table(table, conn)
scan = t.scan(
limit=10,
filter=
"SingleColumnValueFilter('info', 'mmsi', =, 'substring:100704002')"
) #row_start=row_start, row_stop=row_stop, row_prefix=row_prefix
for key, value in scan:
for i, j in value.items():
print(key.decode('utf8'), i.decode('utf8'), j.decode('utf8'))
def batchDelete(self, table, rowkeys):
'''
批量删除数据
:param table:
:param rowkeys:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
with t.batch() as bat:
for rowkey in rowkeys:
bat.delete(rowkey)
def connect():
host = random.choice(HOSTS)
conn = happybase.Connection(host)
logging.debug("Connecting to HBase Thrift Server on %s", host)
conn.open()
if TABLE not in conn.tables():
# Create a table with column family `cf` with default settings.
conn.create_table(TABLE, {"cf": dict()})
logging.debug("Created table %s", TABLE)
else:
logging.debug("Using table %s", TABLE)
return happybase.Table(TABLE, conn)
def getComments_movie(self, movie_id):
c = happybase.Connection(host=hbase_host, port=hbase_port)
c.open()
comment_table = happybase.Table('comment', c)
query_str = "RowFilter (=, 'substring:_" + str(movie_id) + "')"
query = comment_table.scan(filter=query_str, limit=1000)
try:
result = list(query)
except:
c.close()
return []
result = self.revert(result)
c.close()
return result[0:10]
def addUserComment(self, movie_id, user_id, content, star, reviewtime):
c = happybase.Connection(host=hbase_host, port=hbase_port)
c.open()
comment_table = happybase.Table('comment_local', c)
if self.hasUserComment(movie_id, user_id):
c.close()
return False
comment_table.put(
str(user_id) + "_" + str(movie_id), {
"region:content": str(content),
"region:star": str(star),
"region:reviewtime": str(reviewtime)
})
c.close()
def scanTable(self, table, row_start=None, row_stop=None, row_prefix=None):
'''
扫描一张表
:param table:表名
:param row_start:行键起
:param row_stop:行键止
:param row_prefix:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
scan = t.scan(row_start=row_start,
row_stop=row_stop,
row_prefix=row_prefix)
for key, value in scan:
print(key, value)
def getSimilar(self, movie_id):
c = happybase.Connection(host=hbase_host, port=hbase_port)
c.open()
recommend_table = happybase.Table('movie_sim_1', c)
tmp_dict = recommend_table.row(str(movie_id))
movie_id_str = ''
for key, value in tmp_dict.items():
movie_id_str = value.decode('utf-8')
movie_list = []
if len(movie_id_str) > 0:
movie_id_list = movie_id_str.split(',')
for movie_id in movie_id_list:
tmp = MovieInfo.objects.get(id=int(movie_id))
movie_list.append(tmp)
c.close()
return movie_list
def __init__(self,
host: str,
table: str,
filter: str,
request: list = None,
field=FIELD):
self.connection = happybase.Connection(host,
autoconnect=False,
timeout=30 * 1000)
self.table = happybase.Table(table, self.connection)
self.filter = filter
self.request = request or []
assert isinstance(self.request, list), "request must be list!"
self.field = field.copy()
def hasUserComment(self, movie_id, user_id):
c = happybase.Connection(host=hbase_host, port=hbase_port)
c.open()
comment_table = happybase.Table('comment_local', c)
query_str = "RowFilter (=, 'binary:" + str(user_id) + "_" + str(
movie_id) + "')"
query = comment_table.scan(filter=query_str, limit=1000)
try:
result = list(query)
except:
c.close()
return False
c.close()
if len(result) == 0:
return False
else:
return True
def get_batch_yesterday(date=None):
conn = happybase.Connection(HBASE_HOST, port=HBASE_PORT)
conn.open()
app.logger.info(date)
if not date:
date = request.args.get('date')
datetimeDate = datetime.datetime.strptime(date, "%Y%m%d")
# return date
pastWeek = (datetimeDate - datetime.timedelta(days=7)).strftime("%Y%m%d")
yesterday = datetimeDate.strftime("%Y%m%d")
# arguments formatted to yyyyMMdd
row_start = '001#001#{}'.format(pastWeek)
row_start_bytes = row_start.encode('utf-8')
row_end = '001#001#{}'.format(yesterday)
row_end_bytes = row_end.encode('utf-8')
try:
table = happybase.Table(BATCH_ANALYSIS_TABLE_NAME, conn)
rows = []
for key, data in table.scan(row_start=row_start_bytes,
row_stop=row_end_bytes):
keyStr = key.decode('utf-8')
rowDataDict = {}
for columnName in data:
column = columnName.decode('utf-8')
try:
# Java Bytes class converts Double to IEEE-754
# String is converted by utf-8
n = unpack(b'>d', data[columnName])
val = round(n[0], 2)
except:
val = data[columnName].decode('utf-8')
rowDataDict[column] = val
# pass
rows.append((keyStr, rowDataDict))
app.logger.info('Retrieved data from HBase succesfully')
return jsonify(items=rows)
except:
app.logger.error(
"Table {} doesn't have row {}. Check with the hbase shell that you're retrieving the correct data."
.format(BATCH_ANALYSIS_TABLE_NAME, row_start))
return "ERROR"
finally:
conn.close()
def __init__(self,
hbase: str,
table: str,
filter: str,
request: list = None,
batch_size: int = 128,
field=FIELD):
self.connection = happybase.Connection(
hbase,
autoconnect=False,
# transport="framed",
# protocol="compact"
)
self.table = happybase.Table(table, self.connection)
self.filter = filter
#天 哪一天
self.request = request or []
assert isinstance(self.request, list), "request must be list!"
#copy 有区别的
self.field = field.copy()
def get_averages_past24sim():
# Streaming avgs are based on actual time,
# and saved in hbase with rowkey based on actual time.
conn = happybase.Connection(HBASE_HOST, port=HBASE_PORT)
conn.open()
# yyyyMMddHHmm
date = datetime.datetime.now()
pastSimDay = (
date -
datetime.timedelta(minutes=SIM_DAY_IN_MIN)).strftime("%Y%m%d%H%M")
simToday = date.strftime("%Y%m%d%H%M")
try:
table = happybase.Table(RUNNING_AVG_TABLE_NAME, conn)
row_start = '001#001#{}'.format(pastSimDay)
row_start_bytes = row_start.encode('utf-8')
row_end = '001#001#{}'.format(simToday)
row_end_bytes = row_end.encode('utf-8')
rows = []
for key, data in table.scan(row_start=row_start_bytes,
row_stop=row_end_bytes):
keyStr = key.decode('utf-8')
rowDataDict = {}
for columnName in data:
column = columnName.decode('utf-8')
# Java Bytes class converts Double to IEEE-754
# String is converted by utf-8
n = unpack(b'>d', data[columnName])
val = round(n[0], 2)
rowDataDict[column] = val
rows.append((keyStr, rowDataDict))
app.logger.info('Retrieved data from HBase succesfully')
return jsonify(items=rows)
except:
errorMsg = "Table {} doesn't have row {}. Check with the hbase shell that you're retrieving the correct data.".format(
BATCH_ANALYSIS_TABLE_NAME, pastSimDay)
app.logger.error(errorMsg)
return errorMsg
finally:
conn.close()
})
# 互联网行为表 internetBehaviorTable
if b'internetBehaviorTable' in connection.tables():
connection.delete_table('internetBehaviorTable', disable=True)
connection.create_table(
'internetBehaviorTable', {
'news': dict(),
'communications': dict(),
'entertainment': dict(),
'domersticServices': dict(),
'busApp': dict(),
'toolUse': dict(),
'date': dict()
})
"""连接表"""
basicFeaturesTable = happybase.Table('basicFeaturesTable', connection)
basicFeaturesTableBat = basicFeaturesTable.batch(batch_size=1000)
socialAttributesTable = happybase.Table('socialAttributesTable', connection)
socialAttributesTableBat = socialAttributesTable.batch(batch_size=1000)
consumptionCharacteristicsTable = happybase.Table(
'consumptionCharacteristicsTable', connection)
consumptionCharacteristicsTableBat = consumptionCharacteristicsTable.batch(
batch_size=1000)
internetBehaviorTable = happybase.Table('internetBehaviorTable', connection)
internetBehaviorTableBat = internetBehaviorTable.batch(batch_size=1000)
"""基础属性表 basicFeaturesTable"""
data = pd.read_csv("data/basicFeaturesData.csv")
for i in range(data.shape[0]):
basicFeaturesTableBat.put(
"%s" % data.loc[i, 'key'], {
