# -*- coding: utf-8 -*-
import pymysql
from pyspark.conf import SparkConf
import pytispark.pytispark as pti
# from pyspark.sql import SQLContext
from pyspark.sql import SparkSession
import datetime
import pandas as pd
def app_list_func(x,l):
b = str(x).split(",")
e = []
for i in b:
if i in l.keys():
e.append(l[i])
else:
e.append(0)
return e
def multi_hot(df,column,n):
v = df.select(column).distinct().rdd.map(lambda x: x[0]).collect()
app_list_value = [str(i).split(",") for i in v]
app_list_unique = []
for i in app_list_value:
app_list_unique.extend(i)
app_list_unique = list(set(app_list_unique))
number = len(app_list_unique)
app_list_map = dict(zip(app_list_unique, list(range(n, number + n))))
return number,app_list_map
def feature():
db = pymysql.connect(host='172.16.40.158', port=4000, user='root', passwd='3SYz54LS9#^9sBvC', db='jerry_test')
sql = "select max(stat_date) from esmm_train_data"
validate_date = con_sql(db, sql)[0].values.tolist()[0]
print("validate_date:" + validate_date)
temp = datetime.datetime.strptime(validate_date, "%Y-%m-%d")
start = (temp - datetime.timedelta(days=2)).strftime("%Y-%m-%d")
print(start)
sql = "select e.y,e.z,e.stat_date,e.ucity_id,feat.level2_ids " \
"from jerry_test.esmm_train_data e " \
"left join jerry_test.diary_feat feat on e.cid_id = feat.diary_id " \
"where e.stat_date >= '{}'".format(start)
df = spark.sql(sql)
features = ["ucity_id","stat_date"]
df = df.na.fill(dict(zip(features,features)))
apps_number, app_list_map = multi_hot(df,"level2_ids",1)
unique_values = []
for i in features:
unique_values.extend(df.select(i).distinct().rdd.map(lambda x: x[0]).collect())
temp = list(range(2 + apps_number,
2 + apps_number + len(unique_values)))
value_map = dict(zip(unique_values, temp))
rdd = df.select("level2_ids","stat_date","ucity_id","y","z").rdd
rdd.persist()
# TODO 上线后把下面train fliter 删除，因为最近一天的数据也要作为训练集
train = rdd.filter(lambda x: x[1]!= validate_date)\
.map(lambda x: (app_list_func(x[0], app_list_map),[value_map[x[2]],value_map[x[1]]], float(x[3]),float(x[4])))
test = rdd.filter(lambda x: x[1]== validate_date)\
.map(lambda x: (app_list_func(x[0], app_list_map),[value_map[x[2]],value_map[x[1]]], float(x[3]),float(x[4])))
spark.createDataFrame(test).toDF("level2_ids","ids","y","z")\
.repartition(1).write.format("tfrecords").save(path=path+"va/", mode="overwrite")
print("va write done")
spark.createDataFrame(train).toDF("level2_ids","ids","y","z") \
.repartition(1).write.format("tfrecords").save(path=path+"tr/", mode="overwrite")
print("done")
rdd.unpersist()
return validate_date,value_map,app_list_map
def get_predict(date,value_map,app_list_map):
sql = "select e.y,e.z,e.label,e.ucity_id,feat.level2_ids,e.device_id,e.cid_id from esmm_pre_data e " \
"left join diary_feat feat on e.cid_id = feat.diary_id limit 50000"
features = ["ucity_id"]
df = spark.sql(sql)
df = df.na.fill(dict(zip(features, features)))
rdd = df.select("level2_ids","ucity_id","device_id","cid_id","label", "y", "z") \
.rdd.map(lambda x: (app_list_func(x[0], app_list_map),x[1],x[2],x[3],x[4],float(x[5]),float(x[6]),
[value_map.get(x[1], 299999),value_map.get(date, 299998)]))
rdd.persist()
native_pre = spark.createDataFrame(rdd.filter(lambda x:x[4] == 0).map(lambda x:(x[1],x[2],x[3])))\
.toDF("city","uid","cid_id")
print("native")
native_pre.toPandas().to_csv(local_path+"native.csv", header=True)
# TODO 写成csv文件改成下面这样
# native_pre.coalesce(1).write.format('com.databricks.spark.csv').save(path+"native/",header = 'true')
# 预测的tfrecord必须写成一个文件，这样可以摆保证顺序
spark.createDataFrame(rdd.filter(lambda x: x[4] == 0).map(lambda x: (x[0],x[5],x[6],x[7]))) \
.toDF("level2_ids","y","z","ids").coalesce(1).write.format("tfrecords") \
.save(path=path+"native/", mode="overwrite")
nearby_pre = spark.createDataFrame(rdd.filter(lambda x: x[4] == 1).map(lambda x:(x[1],x[2],x[3]))) \
.toDF("city", "uid", "cid_id")
print("nearby")
nearby_pre.toPandas().to_csv(local_path+"nearby.csv", header=True)
spark.createDataFrame(rdd.filter(lambda x: x[4] == 1).map(lambda x: (x[0], x[5], x[6], x[7]))) \
.toDF("level2_ids","y","z","ids").coalesce(1).write.format("tfrecords") \
.save(path=path+"nearby/", mode="overwrite")
rdd.unpersist()
def con_sql(db,sql):
cursor = db.cursor()
cursor.execute(sql)
result = cursor.fetchall()
df = pd.DataFrame(list(result))
db.close()
return df
if __name__ == '__main__':
# sparkConf = SparkConf().set("spark.hive.mapred.supports.subdirectories", "true") \
# .set("spark.hadoop.mapreduce.input.fileinputformat.input.dir.recursive", "true") \
# .set("spark.tispark.plan.allow_index_double_read", "false") \
# .set("spark.tispark.plan.allow_index_read", "true") \
# .set("spark.sql.extensions", "org.apache.spark.sql.TiExtensions") \
# .set("spark.tispark.pd.addresses", "172.16.40.158:2379").set("spark.io.compression.codec", "lzf")\
# .set("spark.driver.maxResultSize", "8g").set("spark.sql.avro.compression.codec","snappy")
#
# spark = SparkSession.builder.config(conf=sparkConf).enableHiveSupport().getOrCreate()
# ti = pti.TiContext(spark)
# ti.tidbMapDatabase("jerry_test")
# # ti.tidbMapDatabase("eagle")
# spark.sparkContext.setLogLevel("WARN")
# path = "hdfs:///strategy/esmm/"
# local_path = "/home/gmuser/esmm/"
#
# validate_date, value_map, app_list_map = feature()
# get_predict(validate_date, value_map, app_list_map)
# [path + "tr/part-r-00000"]
import subprocess
# spark = SparkSession.builder.getOrCreate()
# b = [("a", 1), ("a", 1), ("b", 3), ("a", 2)]
# rdd = spark.sparkContext.parallelize(b)
# df = spark.createDataFrame(rdd).toDF("id", "n")
# df.show()
# df.createOrReplaceTempView("df")
# t = spark.sql("select id from df").map()
# print(t)
db = pymysql.connect(host='172.16.40.158', port=4000, user='root', passwd='3SYz54LS9#^9sBvC', db='jerry_test')
sql = "select device_id from esmm_train_data limit 10"
cursor = db.cursor()
cursor.execute(sql)
result = cursor.fetchall()
print(result)
a = list(set([i[0] for i in result]))
print(a)