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app.py
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app.py
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import os
import warnings
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
import pmdarima as pm
from flask import Flask, flash, request, redirect, render_template
PEOPLE_FOLDER = os.path.join('static')
ALLOWED_EXTENSIONS = {'excel', 'csv', 'txt'}
warnings.filterwarnings('ignore')
app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = PEOPLE_FOLDER
def allowed_file(filename):
return '.' in filename and \
filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
@app.route('/')
def initial():
return render_template('initial')
@app.route('/upload', methods=['GET', 'POST'])
def upload_file():
global dataframe
if request.method == 'POST':
# check if the post request has the file part
if 'file' not in request.files:
flash('No file part')
return redirect(request.url)
file = request.files['file']
# if user does not select file, browser also
# submit an empty part without filename
if file.filename == '':
flash('No selected file')
return redirect(request.url)
if file and allowed_file(file.filename):
dataframe = pd.read_csv(request.files['file'], header=0, index_col=0)
file = request.files['file']
filename = file.filename
print('{} isimli dosya yuklendi'.format(filename))
print(dataframe)
dataframe = dataframe.dropna()
if 'submit-button' in request.form:
user_answer = request.form['month']
if user_answer == 'one':
data = dataframe
model = pm.auto_arima(data.values, start_p=1, start_q=1,
test='adf', # use adftest to find optimal 'd'
max_p=5, max_q=3, # maximum p and q
m=1, # frequency of series
d=None, # let model determine 'd'
seasonal=False, # No Seasonality
start_P=0,
D=0,
trace=True,
error_action='ignore',
suppress_warnings=True,
stepwise=True)
print(model.summary())
n_periods = 30
fc, confint = model.predict(n_periods=n_periods, return_conf_int=True)
index_of_fc = np.arange(len(data.values), len(data.values) + n_periods)
# make series for plotting purposer
fc_series = pd.Series(fc, index=index_of_fc)
lower_series = pd.Series(confint[:, 0], index=index_of_fc)
upper_series = pd.Series(confint[:, 1], index=index_of_fc)
# Plotr
plt.figure(figsize=(12, 5), dpi=100)
plt.plot(data.values, label='Gerçek Veri')
plt.plot(fc_series, color='red', label="Tahmin")
plt.title("Gelecek 1 Ay Tahminlemesi", size=20)
plt.xlabel("Günler", size=15)
plt.ylabel("Inbound", size=15)
plt.legend(loc='upper right', fontsize=11)
plt.savefig('static/biraylik.png')
full_filename = os.path.join('static/biraylik.png')
return render_template('index.html', result=fc_series, user_image=full_filename)
if user_answer == 'three':
data = dataframe
model = pm.auto_arima(data.values, start_p=1, start_q=1,
test='adf', # use adftest to find optimal 'd'
max_p=5, max_q=3, # maximum p and q
m=1, # frequency of series
d=None, # let model determine 'd'
seasonal=False, # No Seasonality
start_P=0,
D=0,
trace=True,
error_action='ignore',
suppress_warnings=True,
stepwise=True)
print(model.summary())
n_periods = 90
fc, confint = model.predict(n_periods=n_periods, return_conf_int=True)
index_of_fc = np.arange(len(data.values), len(data.values) + n_periods)
# make series for plotting purposer
fc_series = pd.Series(fc, index=index_of_fc)
lower_series = pd.Series(confint[:, 0], index=index_of_fc)
upper_series = pd.Series(confint[:, 1], index=index_of_fc)
# Plotr
plt.figure(figsize=(12, 5), dpi=100)
plt.plot(data.values, label='Gerçek Veri')
plt.plot(fc_series, color='red', label="Tahmin")
plt.title("Gelecek 3 Ay Tahminlemesi", size=20)
plt.xlabel("Günler", size=15)
plt.ylabel("Inbound", size=15)
plt.legend(loc='upper right', fontsize=11)
plt.savefig('static/ucaylik.png')
full_filename = os.path.join('static/ucaylik.png')
return render_template('index.html', result=fc_series, user_image=full_filename)
if user_answer == 'six':
data = dataframe
model = pm.auto_arima(data.values, start_p=1, start_q=1,
test='adf', # use adftest to find optimal 'd'
max_p=5, max_q=3, # maximum p and q
m=1, # frequency of series
d=None, # let model determine 'd'
seasonal=False, # No Seasonality
start_P=0,
D=0,
trace=True,
error_action='ignore',
suppress_warnings=True,
stepwise=True)
print(model.summary())
n_periods = 180
fc, confint = model.predict(n_periods=n_periods, return_conf_int=True)
index_of_fc = np.arange(len(data.values), len(data.values) + n_periods)
# make series for plotting purposer
fc_series = pd.Series(fc, index=index_of_fc)
lower_series = pd.Series(confint[:, 0], index=index_of_fc)
upper_series = pd.Series(confint[:, 1], index=index_of_fc)
# Plotr
plt.figure(figsize=(12, 5), dpi=100)
plt.plot(data.values, label='Gerçek Veri')
plt.plot(fc_series, color='red', label="Tahmin")
plt.title("Gelecek 6 Ay Tahminlemesi", size=20)
plt.xlabel("Günler", size=15)
plt.ylabel("Inbound", size=15)
plt.legend(loc='upper right', fontsize=11)
plt.savefig('static/altiaylik.png')
full_filename = os.path.join('static/altiaylik.png')
return render_template('index.html', result=fc_series, user_image=full_filename)
# FOR PDF
# rendered = render_template('index.html', result=fc_series, user_image=full_filename)
# pdf = pdfkit.from_string(rendered,False)
# response = make_response(pdf)
# response.headers['Content-Type'] = 'application/pdf'
# response.headers['Content-Disposition'] = 'attachment; filename=output.pdf'
# return response
if 'delete-button' in request.form:
if os.path.exists("static/biraylik.png"):
os.remove("static/biraylik.png")
else:
print("The file does not exist")
if os.path.exists("static/ucaylik.png"):
os.remove("static/ucaylik.png")
else:
print("The file does not exist")
if os.path.exists("static/altiaylik.png"):
os.remove("static/altiaylik.png")
else:
print("The file does not exist")
return render_template('initial')
def main():
app.run(debug=True)
if __name__ == '__main__':
main()