class prediction:
def __init__(self, path):
self.log_writer = App_Logger()
self.file_object = "Prediction_Logs"
self.connectionstrings = "DefaultEndpointsProtocol=https;AccountName=trainingbatchfiles;AccountKey=JPHQiUP+0kPN4UlfW+jXZm9EaPg0nsSUd9MZMLnhpjmJZnO7OXiemYqM+vosRjXA8MLOTqV2fsDEAmz6tIjGFw==;EndpointSuffix=core.windows.net"
self.AzureFunc = Azure_Functions(self.connectionstrings)
if path is not None:
self.pred_data_val = Prediction_Data_validation(path)
def predictionFromModel(self):
try:
self.pred_data_val.deletePredictionFile()
self.log_writer.log(self.file_object, "Prediction_Log",
'Start of Prediction')
data_getter = data_loader_prediction.Data_Getter_Pred(
self.file_object, self.log_writer)
data = data_getter.get_data()
"""doing the data preprocessing"""
preprocessor = Preprocessor(self.file_object, self.log_writer)
data = preprocessor.remove_columns(
data, ["Unnamed: 0"]
) # remove the unnamed column as it doesn't contribute to prediction.
is_null_present = preprocessor.is_null_present(data)
# if missing values are there, replace them appropriately.
if (is_null_present):
data = preprocessor.impute_missing_values(
data) # missing value imputation
# check further which columns do not contribute to predictions
# if the standard deviation for a column is zero, it means that the column has constant values
# and they are giving the same output both for good and bad sensors
# prepare the list of such columns to drop
cols_to_drop = preprocessor.get_columns_with_zero_std_deviation(
data)
# drop the columns obtained above
data = preprocessor.remove_columns(data, cols_to_drop)
""" Applying the clustering approach"""
file_loader = file_methods.File_Operation(self.file_object,
self.log_writer)
kmeans = file_loader.load_model('KMeans')
##Code changed
# pred_data = data.drop(['Wafer'],axis=1)
clusters = kmeans.predict(data.drop(
['Wafer'],
axis=1)) # drops the first column for cluster prediction
data['clusters'] = clusters
clusters = data['clusters'].unique()
for i in clusters:
cluster_data = data[data['clusters'] == i]
wafer_names = list(cluster_data['Wafer'])
cluster_data = data.drop(labels=['Wafer'], axis=1)
cluster_data = cluster_data.drop(['clusters'], axis=1)
model_name = file_loader.find_correct_model_file(i)
model = file_loader.load_model(model_name)
result = list(model.predict(cluster_data))
result = pandas.DataFrame(list(zip(wafer_names, result)),
columns=['Wafer', 'Prediction'])
#path = "Predictions.csv"
pred_result = result.to_csv(header=True)
self.AzureFunc.uploadBlob("predictionoutputfile",
"predictions.csv", pred_result)
output = self.AzureFunc.readingcsvfile("predictionoutputfile",
"predictions.csv")
#result.to_csv("Predictions.csv", header=True,mode='a+') # appends result to prediction file
self.log_writer.log(self.file_object, "Prediction_Log",
'End of Prediction')
except Exception as ex:
self.log_writer.log(
self.file_object, "Prediction_Log",
'Error occured while running the prediction!! Error:: %s' % ex)
raise ex
return output.head().to_json(orient="records")
class MongodBOperation:
def __init__(self):
self.logger = App_Logger()
self.connectionstrings = "DefaultEndpointsProtocol=https;AccountName=trainingbatchfiles;AccountKey=JPHQiUP+0kPN4UlfW+jXZm9EaPg0nsSUd9MZMLnhpjmJZnO7OXiemYqM+vosRjXA8MLOTqV2fsDEAmz6tIjGFw==;EndpointSuffix=core.windows.net"
self.AzureFunc = Azure_Functions(self.connectionstrings)
self.client = pymongo.MongoClient(
"mongodb+srv://demo:[email protected]/myFirstDatabase?retryWrites=true&w=majority"
)
self.db = self.client.test
def dataBaseConnection(self):
try:
self.client = pymongo.MongoClient(
"mongodb+srv://demo:[email protected]/myFirstDatabase?retryWrites=true&w=majority"
)
self.db = self.client.test
self.logger.log("Prediction_Log", "DataBaseConnectionLog",
"Opened %s database successfully" % DatabaseName)
except Exception as e:
self.logger.log(
"Prediction_Log", "DataBaseConnectionLog",
"Error while connecting to database: %s" % ConnectionError)
def createcollectionDB(self, DatabaseName):
try:
db = self.client["DatabaseName"]
self.collection = db["predgood_data"]
self.logger.log("Prediction_Log", "DbcollectionCreateLog",
"collection created successfully!!")
except Exception as e:
self.logger.log("Prediction_Log", "DbcollectionCreateLog",
"Error while creating collection: %s " % e)
raise e
def insertIntoTableGoodData(self):
try:
filename = self.AzureFunc.gettingcsvfile("predictiongoodraw")
for file in filename:
df = self.AzureFunc.readingcsvfile("predictiongoodraw", file)
js = df.to_json()
jsdata = json.loads(js)
self.collection.insert_one(jsdata)
self.logger.log("Prediction_Log", "DbInsertLog",
" %s: File loaded successfully!!" % file)
except Exception as e:
self.logger.log(
"Prediction_Log", "DbInsertLog",
"Error while inserting data into collection: %s " % e)
# for files in self.AzureFunc.gettingcsvfile("predictiongoodraw"):
# csv = self.AzureFunc.readingcsvfile("predictiongoodraw", files)
# js = csv.to_json()
# jsdata = json.loads(js)
# self.collection.insert_one(jsdata)
def selectingDatafromtableintocsv(self):
try:
li = []
for i in self.collection.find():
di = dict(i)
di.pop('_id')
jsda = json.dumps(di)
json_data = json.loads(jsda)
jfdf = pd.DataFrame(json_data.values()).T
jfdf.columns = json_data.keys()
li.append(jfdf)
frame = pd.concat(li, ignore_index=True)
upload = frame.to_csv()
self.AzureFunc.uploadBlob("predinputdata", "predinputdata.csv",
upload)
self.collection.drop()
print(frame)
self.logger.log("Prediction_Log", "ExportToCsv",
"File exported successfully on Azure !!!")
except Exception as e:
self.logger.log("Prediction_Log", "ExportToCsv",
"File exporting failed. Error : %s" % e)