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app.py
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app.py
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from flask import Flask, request as req, send_file, jsonify, after_this_request, Response
from markupsafe import escape
from werkzeug.utils import secure_filename
import os
from utils.s3_helpers import upload_file_to_s3, delete_all_objects, get_files_from_s3
from utils.helpers import *
from threading import Thread, Event
import time
app = Flask(__name__)
@app.route('/')
def hello_world():
return {"message": "hello", "filename": "output_file_path"}
@app.route("/user/<username>", methods=['POST'])
def show_username(username):
if req.method == "POST":
return f'user {escape(username)}'
else:
return "not proper method"
@app.route("/get/files")
def get_files():
files, error = get_files_from_s3()
if files:
return jsonify(files)
else:
return jsonify({"error": error})
# check file upload
@app.route("/upload", methods=["POST"])
def upload():
if 'file' not in req.files:
return "No files uploaded", 400
file = req.files["file"]
if file.filename == '':
return "No file selected", 400
upload_dir_check()
file.save("uploads/" + file.filename)
return "File saved successfully!"
# to compress file
@app.route("/compresspdf", methods=['POST'])
def upload_file():
if 'file' not in req.files:
return "No files uploaded", 400
file = req.files['file']
if file.filename == '':
return "No file selected", 400
upload_dir_check()
input_file_path = os.path.join("uploads", secure_filename(file.filename))
output_file = "compressed_" + secure_filename(file.filename)
output_file_path = os.path.join("uploads", output_file)
file.save(input_file_path)
quality = req.form.get('quality', 'screen')
print("quality is ", quality)
message = compress_pdf(input_file_path, output_file_path, quality)
filename = upload_file_to_s3(output_file_path)
@after_this_request
def remove_file(response):
try:
os.remove(input_file_path)
os.remove(output_file_path)
except Exception as e:
app.logger.error(e)
return response
data = {"output_file": output_file, "message": message, "uploaded_file": filename}
return jsonify(data)
@app.route('/converttodoc', methods=["POST"])
def convert_to_doc():
if 'file' not in req.files:
return "No files uploaded", 400
file = req.files['file']
if file.filename == '':
return "No file selected", 400
upload_dir_check()
input_file_path = os.path.join("uploads", secure_filename(file.filename))
filename, _ = os.path.splitext(secure_filename(file.filename))
output_file = "doc_" + filename + ".doc"
output_file_path = os.path.join("uploads", output_file)
file.save(input_file_path)
message = convertpdftodoc(input_file_path, output_file_path)
s3_filename = upload_file_to_s3(output_file_path)
@after_this_request
def remove_file(response):
try:
os.remove(input_file_path)
os.remove(output_file_path)
except Exception as e:
app.logger.error(e)
return response
data = {"output_file": output_file, "message": message, "uploaded_file": s3_filename}
return jsonify(data)
@app.route("/compressimage", methods=['POST'])
def reduce_image_size():
if 'file' not in req.files:
return "No files uploaded", 400
file = req.files['file']
if file.filename == '':
return "No file selected", 400
upload_dir_check()
input_file_path = os.path.join("uploads", secure_filename(file.filename))
output_file = "compressed_" + secure_filename(file.filename)
output_file_path = os.path.join("uploads", output_file)
file.save(input_file_path)
# quality = int(req.form.get('quality', 50))
quality = req.form.get('quality', 85)
try:
quality = int(quality)
if (quality > 100 or quality < 0):
return ValueError("Quality out of range");
except ValueError:
return "Invalid value. Please provide integer value between 0 and 100", 400
print("quality is ", quality)
message = compress_image(input_file_path, output_file_path, quality)
image_filename = upload_file_to_s3(output_file_path)
@after_this_request
def remove_file(response):
try:
os.remove(input_file_path)
os.remove(output_file_path)
except Exception as e:
print("Files not deleted")
return response
data = {"output_file": output_file, "message": message, "uploaded_file": image_filename}
return jsonify(data)
def delete_objects_periodically(interval_seconds):
while not stop_event.is_set():
delete_all_objects()
time.sleep(interval_seconds)
# Define the interval for execution (in seconds)
interval_seconds = 3600 # 1 hour
# Create an Event to control the thread
stop_event = Event()
# Create and start the thread
delete_objects_thread = Thread(target=delete_objects_periodically, args=(interval_seconds,))
delete_objects_thread.start()
if __name__ == '__main__':
app.run()