def create_VP_tables(self):
print "Beginning the creation of VP tables."
total_properties = len(self.properties)
i = 0
# for each distinct property, create a table
for p in self.properties:
i += 1
prop_df = self.sqlContext.sql(
"SELECT s AS s, o AS o FROM tripletable WHERE p='" + p + "'")
df_writer = DataFrameWriter(prop_df)
df_writer.saveAsTable("VP_" + valid_string(p))
sys.stdout.write("\rTables created: %d / %d " %
(i, total_properties))
# if statistics are enabled, compute them
if self.statsEnabled:
i = 0
stat = Stats()
for p in self.properties:
i += 1
tableDF = self.sqlContext.sql("SELECT * FROM VP_" +
valid_string(p))
stat.addTableStat(p, tableDF)
sys.stdout.write("\rStatistics created: %d / %d " %
(i, total_properties))
with open(self.statsFile, "w") as f:
f.write(stat.getSerializedStats())
print "Statistics created: %d / %d " % (i, total_properties)
def download_file_from_one_drive(URL, destination):
import requests
URL = URL
session = requests.Session()
response = session.get(URL, stream=True)
token = None
for key, value in response.cookies.items():
if key.startswith('download_warning'):
token = value
if token:
params = {'confirm': token}
response = session.get(URL, params=params, stream=True)
CHUNK_SIZE = 32768
with open(destination, "wb") as f:
for chunk in response.iter_content(CHUNK_SIZE):
if chunk: # filter out keep-
f.write(chunk)
def download_file_from_google_drive(id, destination):
import requests
URL = "https://docs.google.com/uc?export=download"
session = requests.Session()
response = session.get(URL, params={'id': id}, stream=True)
token = None
for key, value in response.cookies.items():
if key.startswith('download_warning'):
token = value
if token:
params = {'id': id, 'confirm': token}
response = session.get(URL, params=params, stream=True)
CHUNK_SIZE = 32768
with open(destination, "wb") as f:
for chunk in response.iter_content(CHUNK_SIZE):
if chunk: # filter out keep-alive new chunks
f.write(chunk)
def get_game_list(user_id):
base_url = 'http://api.steampowered.com/IPlayerService/GetOwnedGames/v0001/'
keys = [key1, key2]
curr_keyid = 0
params = {
'key' : keys[curr_keyid],
'steamid' : user_id.strip(),
'format' : 'json' }
games = None
for i in range(3):
try:
games = requests.get(base_url, params = params).json().get('response').get('games')
break
except:
try:
curr_keyid = 1 - curr_keyid
params.update({'key' : keys[curr_keyid]})
games = requests.get(base_url, params = params).json().get('response').get('games')
break
except:
time.sleep(5)
pass
if games and len(games) > 0:
gamelist = []
f = open('userinfo', 'a')
for g in games:
gamelist.append(g)
g.update({'userid' : int(user_id.strip())})
f.write(json.dumps(g))
f.write('\n')
userid = int(user_id.strip())
appid = g.get('appid')
playtime_forever = g.get('playtime_forever')
spark.sql("INSERT INTO userinfo ('%s', '%s', '%s')" % (userid, appid, playtime_forever))
return gamelist
)
display(dfOutput)
# COMMAND ----------
import pyspark.sql.functions as f
# Concat all text for the same file with a space " "
dfOutputPerFile = dfOutput \
.groupby(dfOutput.filename) \
.agg(f.concat_ws(" ", f.collect_list(dfOutput.text)) \
.alias("text"))
display(dfOutputPerFile)
# COMMAND ----------
import pathlib
outputDir = f"/dbfs/mnt/{dbfs_mount_name}/output"
pathlib.Path(outputDir).mkdir(parents = True, exist_ok = True)
for row in dfOutputPerFile.collect():
with open(f"{outputDir}/{row.filename}", "w") as f:
f.write(row.text)
# COMMAND ----------
def training(sparkSession, arguments, logger):
# Get the input file path
inputPath = arguments['--input']
logger.info("...Starting training...")
logger.info("Loading data from: {0}".format(inputPath))
# Read the input dataset
trainDF = sparkSession.read.parquet(inputPath)
# Preprocess the data
processData = preprocess(trainDF, logger)
# Select final columns for training the algorithms
processData = processData.select(processData.tdur.cast(FloatType()),
processData.sport.cast(IntegerType()),
processData.dport.cast(IntegerType()),
processData.flag_onehot0,
processData.flag_onehot1,
processData.flag_onehot2,
processData.flag_onehot3,
processData.flag_onehot4,
processData.flag_onehot5,
processData.proto_onehot0,
processData.proto_onehot1,
processData.proto_onehot2,
processData.proto_onehot3,
processData.proto_onehot4,
processData.ipkt.cast(FloatType()),
processData.ibyt.cast(FloatType()),
processData.opkt.cast(FloatType()),
processData.obyt.cast(FloatType()),
processData.nconnections.cast(IntegerType()))
## Normalize the data
# Initialize a dictionary for the minimum and the maximum values for each normalized feature
min_max = {}
min_max['inputFeatures'] = []
[dataNor, min_max] = NormalizeValues(processData, arguments, min_max, logger)
# Save the minimum-maximum json file in the local filesystem
with open(minMaxFile,"w") as f:
f.write(json.dumps(min_max))
# Transform Spark Data Frame into Pandas Data Frame
dataNor = dataNor.toPandas()
# Get the values to train the network
dataTrain = dataNor.values
# Select the training algorithm
if arguments['OneClassSVM'] == True:
nu = arguments['<nu>']
kernel = arguments['<kernel>']
alg = svm.OneClassSVM(kernel=kernel, nu=nu)
algorithm = "OneClassSVM"
logger.info("One Class SVM model")
elif arguments['IsolationForest'] == True:
estimators = arguments['<estimator>']
contamination = arguments['<contam>']
logger.info("Estimators: {0}; Contamination: {1}".format(estimators, contamination))
alg = IsolationForest(n_estimators=estimators, contamination=contamination)
algorithm = "IsolationForest"
logger.info("Isolation model")
elif arguments['LocalOutlier'] == True:
neighbors = arguments['<neigh>']
contamination = arguments['<contam>']
alg = LocalOutlierFactor(n_neighbors=neighbors, contamination=contamination)
algorithm = "LocalOutlier"
logger.info("Local Outlier Factor model")
logger.info("Fitting the network")
# Training the network with the data
alg.fit(dataTrain)
logger.info("Algorithm has been trained.")
algFile = algorithm + "_network.plk"
# Copy the trained network to the network_trained parameter
joblib.dump(alg, algFile)
# Get the path to save the results
hdfsTrainDir = arguments['--output']
logger.info("Saving results to {0}".format(hdfsTrainDir))
# Get HDFS structures
path = sparkSession.sparkContext._gateway.jvm.org.apache.hadoop.fs.Path
fileSystem = sparkSession.sparkContext._gateway.jvm.org.apache.hadoop.fs.FileSystem
hadoopConfiguration = sparkSession.sparkContext._gateway.jvm.org.apache.hadoop.conf.Configuration
fs = fileSystem.get(hadoopConfiguration())
hdfsAlgPath = hdfsTrainDir + "/algorithms/" + algorithm + "_network.plk"
hdfsMinMaxPath = hdfsTrainDir + "/" + minMaxFile
if(fs.exists(path(hdfsAlgPath)) == True):
logger.warn("It already exists a trained network for the {0} algorithm in {1}".format(algorithm, hdfsTrainDir))
logger.warn("The file is going to be overrited.")
try:
fs.delete(path(hdfsAlgPath), False)
except:
logger.error("Couldn't delete the network file")
if(fs.exists(path(hdfsMinMaxPath)) == True):
logger.warn("It already exists a file with the minimum and maximum values in {0}".format(hdfsTrainDir))
logger.warn("The file is going to be overrited.")
try:
fs.delete(path(hdfsMinMaxPath), False)
except:
logger.error("Couldn't delete the minimum and maximum file")
try:
srcAlgFile = path(algFile)
dstAlgFile = path(hdfsAlgPath)
fs.moveFromLocalFile(srcAlgFile, dstAlgFile)
logger.info("Training model exported correctly.")
except:
logger.error("Couldn't save the network in the file system.")
try:
srcMinMaxFile = path(minMaxFile)
dstMinMaxFile = path(hdfsMinMaxPath)
fs.moveFromLocalFile(srcMinMaxFile, dstMinMaxFile)
logger.info("Minimum and maximum features file exported correctly.")
except:
logger.error("Couldn't save the minimum and maximum file in the file system.")
logger.info("..Training has finished..")
g = GraphFrame(vertices_df, edges_df)
result = g.labelPropagation(maxIter=5)
# Get result and sort
result_rdd = result.select("id", "label").rdd
ans = result_rdd \
.map(lambda line: (line.label, line.id)) \
.groupByKey() \
.map(lambda line: (len(line[1]), [str(i) for i in line[1]]))\
.groupByKey()\
.flatMap(lambda line: sorted([sorted(i) for i in line[1]], key=lambda x: x[0]))\
.collect()
# Output as txt file
with open(community_output_file_path, 'w') as f:
for line in ans:
for i in range(len(line)):
user = line[i]
if i != len(line) - 1:
f.write('\'' + str(user) + '\', ')
else:
f.write('\'' + str(user) + '\'')
f.write('\n')
f.close()
# Finish time
timer(start)
# spark-submit --packages graphframes:graphframes:0.6.0-spark2.3-s_2.11 task1.py 7 ub_sample_data.csv task1_ans
# spark-submit --packages graphframes:graphframes:0.6.0-spark2.3-s_2.11 task1.py 7 $ASNLIB/publicdata/ub_sample_data.csv task1_ans
userdf = spark.createDataFrame(nodes, StringType()).selectExpr("value as id")
#print(filterPhaseA.count())
#print(nodes.count())
g = GraphFrame(userdf, edgedf)
result = g.labelPropagation(maxIter=5)
community = result.groupby("label").agg(f.collect_list("id").alias("id"))
fin = community.select("id").rdd.flatMap(lambda x: x).collect()
li = []
for i in fin:
li.append(sorted(i))
#print(li)
reslen = sorted(list(set(len(x) for x in li)))
f = open(sys.argv[3], "w")
for i in reslen:
can = []
for j in li:
if len(j) == i:
can.append(j)
can = sorted(can)
for m in can:
f.write(str(m).replace("[", "").replace("]", ""))
f.write("\n")
end = time.time()
print("Duration", end - start)
# Lat and Lon for Las Vegas city
lat = 36.127430
lon = -115.138460
# Limit the Lat and Lon for easy visulization of results
lon_min, lon_max = lon - 0.3, lon + 0.5
lat_min, lat_max = lat - 0.4, lat + 0.5
# Logic to filter only Las Vegas records
yelp_LV = yelp_b.select(
"city", yelp_b.latitude.cast("double"), yelp_b.longitude.cast("double"),
yelp_b.stars.cast("double")).filter(yelp_b.city == "Las Vegas")
# Logic to select only records which are within the configured Lat and Lon Limit
yelp_LV_PlotInfo = yelp_LV.withColumn(
'plotOnMap', (yelp_LV.latitude > lat_min) & (yelp_LV.latitude < lat_max) &
(yelp_LV.longitude > lon_min) & (yelp_LV.longitude < lon_max))
yelp_LV_PlotInfo_True = yelp_LV_PlotInfo.filter(
yelp_LV_PlotInfo.plotOnMap == "true")
# Logic to generate output as per Folium Mapping input Format
distinct_stars = yelp_b.select(yelp_b.stars).distinct()
distinct_stars_list = map(
lambda x: x.stars,
distinct_stars.select(distinct_stars.stars).collect())
data = []
for star in distinct_stars_list:
subset = yelp_LV_PlotInfo_True.filter(yelp_LV_PlotInfo_True.stars == star)
data.append(
map(lambda x: [x.latitude, x.longitude],
subset.select(subset.latitude, subset.longitude).collect()))
# Write the data to output File.
with open("VegasHeatMapData.txt", "w") as f:
f.write(str(data))
