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app.py
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app.py
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import sys
import pip
from os import getcwd, path, makedirs, listdir
import json
from flask import Flask, request, send_file, abort, render_template
from matplotlib.style import context
from housing.util.util import read_yaml_file, write_yaml_file
from housing.logger import LOG_DIR, logging, get_log_dataframe
from housing.exception import HousingException
from housing.config.configuration import Configuartion
from housing.constant import CONFIG_DIR, ROOT_DIR, get_current_time_stamp
from housing.pipeline.pipeline import Pipeline
from housing.entity.housing_predictor import HousingData, HousingPredictor
ROOT_DIR = getcwd()
LOG_FOLDER_NAME = "logs"
PIPELINE_FOLDER_NAME = "housing"
SAVED_MODELS_DIR_NAME = "saved_models"
MODEL_CONFIG_FILE_PATH = path.join(ROOT_DIR, CONFIG_DIR, "model.yaml")
LOG_DIR = path.join(ROOT_DIR, LOG_FOLDER_NAME)
PIPELINE_DIR = path.join(ROOT_DIR, PIPELINE_FOLDER_NAME)
MODEL_DIR = path.join(ROOT_DIR, SAVED_MODELS_DIR_NAME)
HOUSING_DATA_KEY = "housing_data"
MEDIAN_HOUSING_VALUE_KEY = "median_housing_value"
app = Flask(__name__)
@app.route("/artifact", defaults={'req_path': 'housing'})
@app.route('/artifact/<path:req_path>')
def render_artifact_dir(req_path):
makedirs('housing', exist_ok=True)
# joining the base and reqested path
print(f"req_path : {req_path}")
abs_path = path.join(req_path)
print(abs_path)
# return 404 if path doesn't exist
if not path.exists(abs_path):
return abort(404)
# check if path is a file and serve
if path.isfile(abs_path):
if ".html" in abs_path:
with open(abs_path, 'r', encoding="utf-8") as file:
context = ''
for line in file.readlines():
context = f"{context}{line}"
return context
return send_file(abs_path)
# Showing directory contexts
files = {path.join(abs_path, file_name): file_name for file_name in listdir(abs_path)
if "artifact" in path.join(abs_path, file_name)}
result = {
"files": files,
"parent_folder": path.dirname(abs_path),
"parent_label": abs_path
}
return render_template('files.html', result=result)
@app.route('/', methods=["GET", "POST"])
def index():
try:
return render_template("index.html")
except Exception as e:
return str(e)
@app.route("/view_experiment_hist", methods=['GET', 'POST'])
def view_experiment_history():
experiment_df = Pipeline.get_experiments_status()
context = {
"experiment": experiment_df.to_html(classes="table table-stripod col-12")
}
return render_template('experiment_history.html', context=context)
@app.route('/train', methods=['GET', "POST"])
def train():
message = ""
pipeline = Pipeline(config=Configuartion(
current_time_stamp=get_current_time_stamp()))
if not Pipeline.experiment.running_status:
message = "Training Started!"
pipeline.start()
else:
message = "Training is already in progress."
context = {
"experiment": pipeline.get_experiments_status().to_html(classes="table table-stripod col-12"),
"message": message
}
return render_template("train.html", context=context)
@app.route('/predict', methods=['GET', "POST"])
def predict():
context = {
HOUSING_DATA_KEY: None,
MEDIAN_HOUSING_VALUE_KEY: None
}
if request.method == 'POST':
longitude = float(request.form['longitude'])
latitude = float(request.form['latitude'])
housing_median_age = float(request.form['housing_median_age'])
total_rooms = float(request.form['total_rooms'])
total_bedrooms = float(request.form['total_bedrooms'])
population = float(request.form['population'])
households = float(request.form['households'])
median_income = float(request.form['median_income'])
ocean_proximity = request.form['ocean_proximity']
housing_data = HousingData(longitude=longitude,
latitude=latitude,
housing_median_age=housing_median_age,
total_rooms=total_rooms,
total_bedrooms=total_bedrooms,
population=population,
households=households,
median_income=median_income,
ocean_proximity=ocean_proximity,
)
housing_df = housing_data.get_housing_input_data_frame()
housing_predictor = HousingPredictor(model_dir=MODEL_DIR)
median_housing_value = housing_predictor.predict(X=housing_df)
context = {
HOUSING_DATA_KEY: housing_data.get_housing_data_as_dict(),
MEDIAN_HOUSING_VALUE_KEY: median_housing_value,
}
return render_template('predict.html', context=context)
return render_template("predict.html", context=context)
@app.route('/saved_models', defaults={'req_path': 'saved_models'})
@app.route('/saved_models/<path:req_path>')
def saved_models_dir(req_path):
makedirs("saved_models", exist_ok=True)
# Joining the base and the requested path
print(f"req_path: {req_path}")
abs_path = path.join(req_path)
print(abs_path)
# Return 404 if path doesn't exist
if not path.exists(abs_path):
return abort(404)
# Check if path is a file and serve
if path.isfile(abs_path):
return send_file(abs_path)
# Show directory contents
files = {path.join(abs_path, file): file for file in listdir(abs_path)}
result = {
"files": files,
"parent_folder": path.dirname(abs_path),
"parent_label": abs_path
}
return render_template('saved_models_files.html', result=result)
@app.route("/update_model_config", methods=['GET', 'POST'])
def update_model_config():
try:
if request.method == 'POST':
model_config = request.form['new_model_config']
model_config = model_config.replace("'", '"')
print(model_config)
model_config = json.loads(model_config)
write_yaml_file(file_path=MODEL_CONFIG_FILE_PATH,
data=model_config)
model_config = read_yaml_file(file_path=MODEL_CONFIG_FILE_PATH)
return render_template('update_model.html', result={"model_config": model_config})
except Exception as e:
logging.exception(e)
return str(e)
@app.route(f'/logs', defaults={'req_path': f'{LOG_FOLDER_NAME}'})
@app.route(f'/{LOG_FOLDER_NAME}/<path:req_path>')
def render_log_dir(req_path):
makedirs(LOG_FOLDER_NAME, exist_ok=True)
# Joining the base and the requested path
logging.info(f"req_path: {req_path}")
abs_path = path.join(req_path)
print(abs_path)
# Return 404 if path doesn't exist
if not path.exists(abs_path):
return abort(404)
# Check if path is a file and serve
if path.isfile(abs_path):
log_df = get_log_dataframe(abs_path)
context = {"log": log_df.to_html(classes="table-striped", index=False)}
return render_template('log.html', context=context)
# Show directory contents
files = {path.join(abs_path, file): file for file in listdir(abs_path)}
result = {
"files": files,
"parent_folder": path.dirname(abs_path),
"parent_label": abs_path
}
return render_template('log_files.html', result=result)
if __name__ == "__main__":
app.run()