forked from emilevs/label_printer
228 lines
7 KiB
Python
228 lines
7 KiB
Python
# SPDX-License-Identifier: GPL-3.0-or-later
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from flask import Flask, render_template, request, redirect, url_for, session, send_from_directory
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from PIL import Image
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from gen_image import gen_image
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from config import *
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from datetime import *
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from print import *
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from process_image import *
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from file_handler import *
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from colorama import Fore, Style
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from fonts import fonts
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import os
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text_image_filename = "text_image.png"
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uploaded_image_filename = "uploaded_image.png"
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app = Flask(__name__)
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app.secret_key = "blahaj"
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def render_text_template(info=None, info_color=None, scrollDown=None):
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return render_template('text.html', filename=session["text image path"], cut=session["cut"], info=info, info_color=info_color, scrollDown=scrollDown, fonts=session["fonts"])
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def render_image_template(info=None, info_color=None):
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return render_template('image.html', filename=session["uploaded image path"], cut=session["cut"], info=info, info_color=info_color, label_width=label_width)
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@app.route('/', methods=['GET', 'POST'])
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def base():
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check_for_new_user(session)
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return render_template('default.html')
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# gets triggered when the user_data folder for the user is created
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@new_user_handler
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def on_new_user(session):
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print(Fore.BLUE + "new user with ID:", session["ID"], Style.RESET_ALL)
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session["text image path"] = None
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session["uploaded image path"] = None
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session["cut"] = True
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session["cut"] = True
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session["fonts"] = fonts()
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class Image_preset:
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def __init__(self, path, dithering=True, threshold_if_not_dithering=0.5):
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self.path = path
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self.dithering = dithering
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self.threshold_if_not_dithering = threshold_if_not_dithering
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image_presets = {
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"Abandoned": Image_preset("resources/abandoned.jpg", False, 0.5)
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}
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@app.route('/image', methods=['GET', 'POST'])
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def image():
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check_for_new_user(session)
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if request.method == 'POST':
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if 'image' not in request.files:
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return render_image_template()
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if "dropdown" in request.form and request.form["dropdown"] != "file":
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path = image_presets[request.form["dropdown"]].path
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dither = image_presets[request.form["dropdown"]].dithering
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threshold_if_not_dithering = image_presets[request.form["dropdown"]].threshold_if_not_dithering
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class file:
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filename = os.path.basename(path)
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stream = open(path, "rb")
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else:
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file = request.files['image']
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dither = "dithering" in request.form
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threshold_if_not_dithering = float(request.form["threshold"]) * 0.01
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if file.filename == '':
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return render_image_template()
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else:
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extension = os.path.splitext(file.filename)[1]
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try:
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message, status, img = process_image(file.stream, dither, threshold_if_not_dithering)
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file.stream.close()
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session["uploaded image path"] = uploaded_image_filename
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img.save(get_file_path(session, session["uploaded image path"]))
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except Exception as e:
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message = f"{e}"
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status = "Error"
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if status == "Error":
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session["uploaded image path"] = None
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return render_image_template("Error: " + message, "red")
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elif status == "Info":
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return render_image_template("Info: " + message, "black")
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return render_image_template()
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#TODO: maybe merge some stuff with text-print
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@app.route('/image-print', methods=['GET', 'POST'])
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def image_print():
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check_for_new_user(session)
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if session["uploaded image path"] == None:
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print(Fore.YELLOW + "Warning, file doesn't exist" + Style.RESET_ALL)
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return render_template('image.html', filename=session["uploaded image path"], cut=session["cut"])
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if request.method == 'POST':
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image = format_image_to_label(get_file_path(session, session["uploaded image path"]))
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print_image(image)
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if 'cut' in request.form:
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print("printing and cutting")
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cut_paper()
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session["cut"] = True;
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else:
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print("printing")
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session["cut"] = False;
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return render_image_template()
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@app.route('/text-form', methods=['GET', 'POST'])
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def text_form():
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check_for_new_user(session)
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if request.method == 'POST':
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line_count = int(request.form["lineCount"])
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lines = []
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for i in range(0, line_count):
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lines.append({
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"string": request.form["text" + str(i)],
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"size": int(request.form["size" + str(i)]),
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"pos": int(request.form["y_pos" + str(i)]),
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"bold": "bold" + str(i) in request.form
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})
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print(request.form)
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# Clear previously saved font
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for font in session["fonts"]:
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session["fonts"][font]["selected"] = False
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# If an invalid font has been submitted, just default to the first one
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chosen_font = request.form["font"]
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if chosen_font in session["fonts"]:
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session["fonts"][chosen_font]["selected"] = True
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else:
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first_font = next(iter(session["fonts"]))
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session["fonts"][first_font]["selected"] = True
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# Select the first font that has been marked as selected
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chosen_font = None
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for font in session["fonts"]:
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f = session["fonts"][font]
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if f["selected"]:
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chosen_font = f
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# If the font is still None, something has gone wrong
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if chosen_font is None:
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return
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print(chosen_font)
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message, status, img = gen_image(label_width, lines, chosen_font)
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if status == "Error":
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session["text image path"] = None
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return render_text_template(message, "red")
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get_folder_path(session)
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session["text image path"] = text_image_filename
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img.save(get_file_path(session, session["text image path"]))
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print()
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print(session["text image path"])
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return render_text_template(scrollDown = True)
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@app.route('/text', methods=['GET', 'POST'])
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def text():
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check_for_new_user(session)
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return render_text_template()
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@app.route('/text-print', methods=['GET', 'POST'])
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def text_print():
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check_for_new_user(session)
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if request.method == 'POST':
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if session["text image path"] == None:
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print(Fore.YELLOW + "Warning, file doesn't exist" + Style.RESET_ALL)
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return render_text_template()
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image = format_image_to_label(get_file_path(session, session["text image path"]))
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print_image(image)
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if 'cut' in request.form:
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print("printing and cutting")
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cut_paper()
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session["cut"] = True;
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else:
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print("printing")
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session["cut"] = False;
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return render_text_template()
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@app.route('/user_data/<filename>')
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def user_data(filename):
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return send_from_directory(get_folder_path(session), filename)
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if __name__ == "__main__":
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app.run(debug=True)
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