label_printer/flask/app.py

from flask import Flask, render_template, request, redirect, url_for, session
from PIL import Image
from gen_image import gen_image
from printer_info import *
from datetime import datetime
import os

valid_height=800

app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = 'static/uploads'
app.config['TEXT_FOLDER'] = 'static/text'
app.secret_key = "blahaj"

# Ensure the upload directory exists
if not os.path.exists(app.config['UPLOAD_FOLDER']):
    os.makedirs(app.config['UPLOAD_FOLDER'])
if not os.path.exists(app.config['TEXT_FOLDER']):
    os.makedirs(app.config['TEXT_FOLDER'])


@app.route('/image', methods=['GET', 'POST'])
def image():
    if request.method == 'POST':
        if 'image' not in request.files:
            return redirect(request.url)
        file = request.files['image']

        if file.filename == '':
            return redirect(request.url)
        if file:
            extension = os.path.splitext(file.filename)[1]
            filepath = os.path.join(app.config['UPLOAD_FOLDER'], "upload" + extension)

            file.save(filepath)

            # Process image #
            height = Image.open(filepath).height

            valid = False
            if height == valid_height:
                valid = True
            #################

            return render_template('image.html', filename="upload"+extension, height=height, valid=valid)

    return render_template('image.html')

templates = {
    "DNH": {
        "text1": {
            "string": "Do Not Hack",
            "size": 50,
            "pos": 0
        },
        "text2": {
            "string": "bottom text",
            "size": 25,
            "pos": 55
        },
        "cut": True
    },
    "Food": {
        "text1": {
            "string": "Nickname",
            "size": 50,
            "pos": 0
        },
        "text2": {
            "string": "",
            "size": 25,
            "pos": 55
        },
        "cut": True
    }
}

@app.route('/text-template', methods=['GET', 'POST'])
def text_template():
    if request.method == 'POST':
        template = templates[request.form["template"]]
        if request.form["template"] == "Food":
            template["text2"]["string"] = datetime.now().strftime('%Y-%m-%d')

        session["text1"] = template["text1"]
        session["text2"] = template["text2"]
        session["cut"] = template["cut"]

        return render_template('text.html', filename="text.png", text1=session["text1"], text2=session["text2"], cut=session["cut"])

    return render_template('text.html', filename="text.png", text1=session["text1"], text2=session["text2"], cut=session["cut"])

@app.route('/text-form', methods=['GET', 'POST'])
def text_form():
    if request.method == 'POST':
        session["text1"] = {
            "string": request.form["string1"],
            "size": int(request.form["size1"]),
            "pos": int(request.form["pos1"]),
        }
        session["text2"] = {
            "string": request.form["string2"],
            "size": int(request.form["size2"]),
            "pos": int(request.form["pos2"]),
        }

        img = gen_image(label_width, session["text1"], session["text2"])
        filepath = os.path.join(app.config['TEXT_FOLDER'], "text.png")
        img.save(filepath)
        print(session)

        return render_template('text.html', filename="text.png", text1=session["text1"], text2=session["text2"], cut=session["cut"])

    return render_template('text.html', filename="text.png", text1=session["text1"], text2=session["text2"], cut=session["cut"])



@app.route('/text', methods=['GET', 'POST'])
def text():
    session["text1"] = templates["DNH"]["text1"]
    session["text2"] = templates["DNH"]["text2"]
    session["cut"] = templates["DNH"]["cut"]
    return render_template('text.html', filename="text.png", text1=session["text1"], text2=session["text2"], cut=session["cut"])


@app.route('/text-print', methods=['GET', 'POST'])
def tex_print():
    if request.method == 'POST':
        if 'cut' in request.form:
            print("printing and cutting")
            session["cut"] = True;
        else:
            print("printing")
            session["cut"] = False;

        return render_template('text.html', filename="text.png", text1=session["text1"], text2=session["text2"], cut=session["cut"])

    return render_template('text.html', filename="text.png", text1=session["text1"], text2=session["text2"], cut=session["cut"])


@app.route('/uploads/<filename>')
def uploaded_file(filename):
    return redirect(url_for('static', filename='uploads/' + filename))

@app.route('/text/<filename>')
def generated_file(filename):
    return redirect(url_for('static', filename='text/' + filename))

if __name__ == "__main__":
    app.run(debug=True)