534 lines
22 KiB
Python
534 lines
22 KiB
Python
import json
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import trimesh
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import uuid
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import os
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import configparser
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from datetime import datetime
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from flask import Blueprint, render_template, request, redirect, url_for, flash, current_app, session, make_response, send_file, abort, jsonify
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from flask_login import login_user, logout_user, login_required, current_user
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from werkzeug.security import generate_password_hash, check_password_hash
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from werkzeug.utils import secure_filename
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from .models import db, User, PrintFile, SystemConfig
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from .tasks import merge_and_slice_task, slice_stl_task, simplify_stl_task
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from app import i18n_dict
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# import trimesh.repair
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from stl_simplifier import simplify_stl
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main_bp = Blueprint('main', __name__)
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auth_bp = Blueprint('auth', __name__, url_prefix='/auth')
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admin_bp = Blueprint('admin', __name__, url_prefix='/admin')
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# Guest User Middleware
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@main_bp.before_app_request
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def assign_guest_cookie():
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if not current_user.is_authenticated:
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guest_id = request.cookies.get('guest_id')
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if not guest_id:
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guest_id = str(uuid.uuid4())
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user = User(username=f'guest_{guest_id[:8]}', is_guest=True, guest_cookie_id=guest_id)
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db.session.add(user)
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db.session.commit()
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login_user(user)
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# We will set the cookie in the response after request, see below
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request.guest_id_to_set = guest_id
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else:
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user = User.query.filter_by(guest_cookie_id=guest_id).first()
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if user:
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login_user(user)
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@main_bp.after_app_request
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def set_guest_cookie(response):
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if hasattr(request, 'guest_id_to_set'):
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response.set_cookie('guest_id', request.guest_id_to_set, max_age=60*60*24*365) # 1 year
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return response
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# --- Main Routes ---
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@main_bp.route('/')
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def index():
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return render_template('index.html')
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@main_bp.route('/set_language/<lang>')
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def set_language(lang):
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if lang not in i18n_dict:
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lang = 'en'
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# return to previous page
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response = make_response(redirect(request.referrer or url_for('main.index')))
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response.set_cookie('lang', lang, max_age=60*60*24*365)
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return response
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@main_bp.route('/files', methods=['GET', 'POST'])
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@login_required
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def files():
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if request.method == 'POST':
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if 'file' not in request.files:
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flash('No file part', 'danger')
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return redirect(request.url)
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file = request.files['file']
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if file.filename == '':
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flash('No selected file', 'danger')
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return redirect(request.url)
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if file and file.filename.lower().endswith('.stl'):
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original_filename = file.filename # Do not use secure_filename to keep Chinese characters
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ext = os.path.splitext(original_filename)[1].lower()
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if not ext:
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ext = '.stl'
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timestamp = datetime.now().strftime('%Y%m%d%H%M%S')
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unique_filename = f"{timestamp}_{uuid.uuid4().hex}{ext}"
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filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], unique_filename)
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file.save(filepath)
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# try:
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# mesh = trimesh.load(filepath)
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# # Check for overlapping faces or if the mesh is not watertight
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# # which can cause issues in CuraEngine
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# needs_repair = False
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# if not mesh.is_watertight or (len(mesh.faces) > 0 and len(mesh.intersecting_faces[0]) > 0):
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# # needs_repair = True
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# pass
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# if needs_repair:
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# # Attempt automatic repair
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# trimesh.repair.fix_normals(mesh)
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# trimesh.repair.fix_inversion(mesh)
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# trimesh.repair.fix_winding(mesh)
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# trimesh.repair.fill_holes(mesh)
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# # Re-check after repair
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# if not mesh.is_watertight or (len(mesh.faces) > 0 and len(mesh.intersecting_faces[0]) > 0):
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# if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
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# return jsonify({'success': False, 'error': 'Mesh has overlapping faces or is not watertight, and automatic repair failed! Please repair the model manually before slicing.'}), 400
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# else:
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# flash('Mesh has overlapping faces or is not watertight, and automatic repair failed! Please repair the model manually.', 'danger')
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# os.remove(filepath)
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# return redirect(request.url)
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# else:
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# # Repair succeeded, rewrite file
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# mesh.export(filepath)
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# except Exception as e:
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# pass
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print_file = PrintFile(
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filename=unique_filename,
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original_filename=original_filename,
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file_type='stl',
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user_id=current_user.id,
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status='simplifying' # Set to simplifying while proxy is generated
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)
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db.session.add(print_file)
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db.session.commit()
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# Start background simplification
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simplify_stl_task(print_file.id, filepath)
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flash('File uploaded successfully!', 'success')
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return redirect(url_for('main.files'))
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# Order by newest first
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user_files = PrintFile.query.filter_by(user_id=current_user.id, file_type='stl').order_by(PrintFile.created_at.desc()).all()
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return render_template('files.html', files=user_files)
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@main_bp.route('/api/files_status')
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@login_required
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def files_status():
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files = PrintFile.query.filter_by(user_id=current_user.id).all()
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return jsonify({str(f.id): f.status for f in files})
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@main_bp.route('/download/<int:file_id>')
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@login_required
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def download_gcode(file_id):
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print_file = PrintFile.query.get_or_404(file_id)
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if print_file.user_id != current_user.id and not current_user.is_admin:
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abort(403)
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if print_file.status != 'sliced':
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flash('File is not ready yet.', 'warning')
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return redirect(url_for('main.files'))
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gcode_filename = print_file.filename.rsplit('.', 1)[0] + '.gcode'
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filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], gcode_filename)
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if os.path.exists(filepath):
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safe_name = print_file.original_filename.rsplit('.', 1)[0] + '.gcode'
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return send_file(filepath, as_attachment=True, download_name=safe_name)
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flash('GCode file not found. It might have been deleted.', 'danger')
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return redirect(url_for('main.files'))
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@main_bp.route('/preview_gcode/<int:file_id>')
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@login_required
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def preview_gcode(file_id):
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print_file = PrintFile.query.get_or_404(file_id)
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if print_file.user_id != current_user.id and not current_user.is_admin:
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abort(403)
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gcode_filename = print_file.filename.rsplit('.', 1)[0] + '.gcode'
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filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], gcode_filename)
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content = "File not found or not ready."
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line_count = 0
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if os.path.exists(filepath):
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with open(filepath, 'r') as f:
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lines = f.readlines()
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line_count = len(lines)
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content = "".join(lines[:500]) # Preview first 500 lines
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if line_count > 500:
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content += f"\n... \n[Preview truncated. Total lines: {line_count}. Please download to view full file.]"
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w, h, hd = get_bed_dimensions()
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configs = {c.key: c.value for c in SystemConfig.query.all()}
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offset_x = float(configs.get('offset_x', '0.0'))
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offset_y = float(configs.get('offset_y', '0.0'))
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return render_template('gcode_preview.html', file=print_file, content=content, line_count=line_count, machine_width=w, machine_depth=h, machine_height=hd, offset_x=offset_x, offset_y=offset_y)
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@main_bp.route('/delete_file/<int:file_id>', methods=['POST'])
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@login_required
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def delete_file(file_id):
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print_file = PrintFile.query.get_or_404(file_id)
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if print_file.user_id != current_user.id and not current_user.is_admin:
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abort(403)
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stl_path = os.path.join(current_app.config['UPLOAD_FOLDER'], print_file.filename)
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gcode_filename = print_file.filename.rsplit('.', 1)[0] + '.gcode'
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gcode_path = os.path.join(current_app.config['UPLOAD_FOLDER'], gcode_filename)
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proxy_path = stl_path + '.proxy.stl'
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if os.path.exists(stl_path):
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os.remove(stl_path)
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if os.path.exists(proxy_path):
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os.remove(proxy_path)
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if os.path.exists(gcode_path):
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os.remove(gcode_path)
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db.session.delete(print_file)
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db.session.commit()
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flash(f"Deleted {print_file.original_filename} successfully.", 'success')
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return redirect(url_for('main.files'))
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# --- Auth Routes ---
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@auth_bp.route('/login', methods=['GET', 'POST'])
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def login():
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if request.method == 'POST':
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username = request.form.get('username')
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password = request.form.get('password')
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user = User.query.filter_by(username=username, is_guest=False).first()
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if user and check_password_hash(user.password_hash, password):
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login_user(user)
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return redirect(url_for('main.index'))
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flash('Invalid username or password', 'danger')
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return render_template('login.html')
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@auth_bp.route('/logout')
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@login_required
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def logout():
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logout_user()
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response = make_response(redirect(url_for('main.index')))
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response.delete_cookie('guest_id') # Optionally clear guest cookie
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return response
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# --- Admin Routes ---
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@admin_bp.before_request
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def require_admin():
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if not current_user.is_authenticated or not current_user.is_admin:
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flash('Admin access required', 'danger')
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return redirect(url_for('main.index'))
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@admin_bp.route('/settings', methods=['GET', 'POST'])
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def settings():
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if request.method == 'POST':
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# concurrent_slices = request.form.get('concurrent_slices')
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offset_x = request.form.get('offset_x', '0')
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offset_y = request.form.get('offset_y', '0')
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proxy_skip_size_mb = request.form.get('proxy_skip_size_mb', '5.0')
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default_infill = request.form.get('default_infill', '20')
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default_support = request.form.get('default_support', 'false')
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default_support_pattern = request.form.get('default_support_pattern', 'tree')
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default_quality = request.form.get('default_quality', 'base_global_standard.inst.cfg')
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# update or create config entries
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config_items = [
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('offset_x', offset_x),
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('offset_y', offset_y),
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('proxy_skip_size_mb', proxy_skip_size_mb),
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('default_infill', default_infill),
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('default_support', default_support),
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('default_support_pattern', default_support_pattern),
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('default_quality', default_quality)
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]
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for key, val in config_items:
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conf = SystemConfig.query.filter_by(key=key).first()
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if not conf:
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conf = SystemConfig(key=key)
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db.session.add(conf)
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conf.value = val
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db.session.commit()
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flash('Settings updated successfully', 'success')
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return redirect(url_for('admin.settings'))
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configs = {c.key: c.value for c in SystemConfig.query.all()}
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presets = get_quality_presets()
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return render_template('admin_settings.html', configs=configs, presets=presets)
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@admin_bp.route('/users')
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def users():
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all_users = User.query.order_by(User.created_at.desc()).all()
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return render_template('admin_users.html', users=all_users)
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@admin_bp.route('/user/<int:user_id>/delete', methods=['POST'])
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def delete_user(user_id):
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user = User.query.get_or_404(user_id)
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if user.id == current_user.id:
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flash('You cannot delete yourself.', 'danger')
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return redirect(url_for('admin.users'))
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print_files = PrintFile.query.filter_by(user_id=user.id).all()
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for print_file in print_files:
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stl_path = os.path.join(current_app.config['UPLOAD_FOLDER'], print_file.filename)
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gcode_filename = print_file.filename.rsplit('.', 1)[0] + '.gcode'
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gcode_path = os.path.join(current_app.config['UPLOAD_FOLDER'], gcode_filename)
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proxy_path = stl_path + '.proxy.stl'
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if os.path.exists(stl_path):
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try: os.remove(stl_path)
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except: pass
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if os.path.exists(proxy_path):
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try: os.remove(proxy_path)
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except: pass
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if os.path.exists(gcode_path):
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try: os.remove(gcode_path)
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except: pass
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db.session.delete(print_file)
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db.session.delete(user)
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db.session.commit()
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flash(f'User {user.username} and all their files have been deleted.', 'success')
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return redirect(url_for('admin.users'))
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def get_bed_dimensions():
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try:
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path = os.path.join(current_app.root_path, '..', 'print_config', 'printers', 'creality_ender3v3se.def.json')
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with open(path, 'r', encoding='utf-8') as f:
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data = json.load(f)
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w = data['overrides']['machine_width']['default_value']
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h = data['overrides']['machine_depth']['default_value']
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hd = data['overrides']['machine_height']['default_value']
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return w, h, hd
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except:
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return 200, 200, 200
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def get_quality_presets():
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try:
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path = os.path.join(current_app.root_path, '..', 'print_config', 'quality', 'creality', 'presets')
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files = [f for f in os.listdir(path) if f.endswith('.inst.cfg')]
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presets = []
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for f in files:
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# name = f.replace('.inst.cfg', '').replace('base_', '').replace('_', ' ')
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name = f.replace('.inst.cfg', '')
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presets.append((f, name))
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presets.sort(key=lambda x: x[1])
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return presets
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except:
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return []
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@main_bp.route('/plater')
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@login_required
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def plater():
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w, h, hd = get_bed_dimensions()
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presets = get_quality_presets()
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configs = {c.key: c.value for c in SystemConfig.query.all()}
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offset_x = float(configs.get('offset_x', '0.0'))
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offset_y = float(configs.get('offset_y', '0.0'))
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default_infill = configs.get('default_infill', '20')
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default_support = configs.get('default_support', 'false')
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default_support_pattern = configs.get('default_support_pattern', 'tree')
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default_quality = configs.get('default_quality', 'base_global_standard.inst.cfg')
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user_files = PrintFile.query.filter_by(user_id=current_user.id, file_type='stl').order_by(PrintFile.created_at.desc()).all()
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models = [{'id': f.id, 'name': f.original_filename, 'status': f.status, 'url': url_for('main.serve_proxy_file', file_id=f.id), 'transform_matrix': f.transform_matrix} for f in user_files]
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return render_template('plater.html', w=w, h=h, hd=hd, presets=presets, last_quality=default_quality, models=models, offset_x=offset_x, offset_y=offset_y, default_infill=default_infill, default_support=default_support, default_support_pattern=default_support_pattern)
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@main_bp.route('/file/<int:file_id>')
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@login_required
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def serve_file(file_id):
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f = PrintFile.query.get_or_404(file_id)
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if f.user_id != current_user.id and not current_user.is_admin:
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abort(403)
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path = os.path.join(current_app.config['UPLOAD_FOLDER'], f.filename)
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return send_file(path)
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@main_bp.route('/proxy/<int:file_id>')
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@login_required
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def serve_proxy_file(file_id):
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f = PrintFile.query.get_or_404(file_id)
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if f.user_id != current_user.id and not current_user.is_admin:
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abort(403)
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path = os.path.join(current_app.config['UPLOAD_FOLDER'], f.filename)
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proxy_path = path + '.proxy.stl'
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if os.path.exists(proxy_path):
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return send_file(proxy_path)
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return send_file(path)
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@main_bp.route('/api/merge_and_slice', methods=['POST'])
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@login_required
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def merge_and_slice():
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data = request.json
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pieces = data.get('pieces', [])
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quality = data.get('quality', 'base_global_standard.inst.cfg')
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infill_density = data.get('infill', '20')
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support_enable = data.get('support', 'false')
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support_pattern = data.get('support_pattern', 'lines')
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if not pieces:
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return jsonify({'error': 'No pieces provided'}), 400
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inputs = []
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# Build a combined name
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names = []
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for p in pieces[:3]: # Cap names at 3 to avoid super long string
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f = PrintFile.query.get(p['file_id'])
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if f and (f.user_id == current_user.id or current_user.is_admin):
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names.append(f.original_filename.replace('.stl', ''))
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combined_name = ", ".join(names)
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if len(pieces) > 3:
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combined_name += "等合并切片"
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elif len(pieces) > 1:
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combined_name += "合并切片"
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else:
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combined_name += " 单独切片"
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is_edit = data.get('is_edit', False)
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for p in pieces:
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f = PrintFile.query.get(p['file_id'])
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if f and (f.user_id == current_user.id or current_user.is_admin):
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path = os.path.join(current_app.config['UPLOAD_FOLDER'], f.filename)
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inputs.append((path, p['matrix']))
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# 只有在单一编辑模式才修改原模型的矩阵 (如果多模型/新建模式，我们不修改原模型，而是后续记录到新的包含实体上)
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if 'raw_matrix' in p and is_edit and len(pieces) == 1:
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f.transform_matrix = json.dumps({
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"is_composite": False,
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"matrix": p['raw_matrix'],
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"settings": {
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"quality": quality,
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"infill": infill_density,
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"support": support_enable,
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"support_pattern": support_pattern
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}
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})
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db.session.add(f)
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db.session.commit()
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target_file_id = data.get('target_file_id')
|
|
|
|
if is_edit and target_file_id:
|
|
print_file = PrintFile.query.get(target_file_id)
|
|
if not print_file:
|
|
return jsonify({'error': 'Original file not found'}), 404
|
|
print_file.status = 'merging'
|
|
|
|
if print_file.transform_matrix and 'is_composite' in print_file.transform_matrix:
|
|
composite_data = {
|
|
"is_composite": True,
|
|
"parts": [],
|
|
"settings": {
|
|
"quality": quality,
|
|
"infill": infill_density,
|
|
"support": support_enable,
|
|
"support_pattern": support_pattern
|
|
}
|
|
}
|
|
for p in pieces:
|
|
pf = PrintFile.query.get(p['file_id'])
|
|
if pf:
|
|
composite_data['parts'].append({
|
|
"file_id": pf.id,
|
|
"name": pf.original_filename,
|
|
"url": url_for('main.serve_proxy_file', file_id=pf.id),
|
|
"raw_matrix": p.get('raw_matrix', p['matrix'])
|
|
})
|
|
print_file.transform_matrix = json.dumps(composite_data)
|
|
elif len(pieces) == 1:
|
|
print_file.transform_matrix = json.dumps({
|
|
"is_composite": False,
|
|
"matrix": pieces[0].get('raw_matrix', pieces[0]['matrix']),
|
|
"settings": {
|
|
"quality": quality,
|
|
"infill": infill_density,
|
|
"support": support_enable,
|
|
"support_pattern": support_pattern
|
|
}
|
|
})
|
|
|
|
db.session.commit()
|
|
|
|
temp_filename = f"temp_edit_{uuid.uuid4().hex}.stl"
|
|
temp_filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], temp_filename)
|
|
|
|
merge_and_slice_task(target_file_id, inputs, temp_filepath, quality, infill_density, support_enable, support_pattern, delete_stl=True)
|
|
elif len(inputs) == 1 and is_edit:
|
|
target_file_id = pieces[0]['file_id']
|
|
print_file = PrintFile.query.get(target_file_id)
|
|
if not print_file:
|
|
return jsonify({'error': 'Original file not found'}), 404
|
|
print_file.status = 'merging'
|
|
db.session.commit()
|
|
|
|
# We still need to apply transforms to a temporary STL to generate correct GCode
|
|
temp_filename = f"temp_{uuid.uuid4().hex}.stl"
|
|
temp_filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], temp_filename)
|
|
|
|
merge_and_slice_task(target_file_id, inputs, temp_filepath, quality, infill_density, support_enable, support_pattern, delete_stl=True)
|
|
else:
|
|
# Multiple models, create a new "Merged Slice" PrintFile entry to keep track of combination
|
|
timestamp = datetime.now().strftime('%Y%m%d%H%M%S')
|
|
unique_filename = f"{timestamp}_{uuid.uuid4().hex}.stl"
|
|
merged_filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], unique_filename)
|
|
|
|
# 构建组合文件元数据树 (is_composite: true)
|
|
composite_data = {
|
|
"is_composite": True,
|
|
"parts": [],
|
|
"settings": {
|
|
"quality": quality,
|
|
"infill": infill_density,
|
|
"support": support_enable,
|
|
"support_pattern": support_pattern
|
|
}
|
|
}
|
|
for p in pieces:
|
|
pf = PrintFile.query.get(p['file_id'])
|
|
if pf:
|
|
composite_data['parts'].append({
|
|
"file_id": pf.id,
|
|
"name": pf.original_filename,
|
|
"url": url_for('main.serve_proxy_file', file_id=pf.id),
|
|
"raw_matrix": p.get('raw_matrix', p['matrix'])
|
|
})
|
|
|
|
print_file = PrintFile(
|
|
filename=unique_filename,
|
|
original_filename=f"{combined_name}.stl",
|
|
file_type='stl',
|
|
user_id=current_user.id,
|
|
status='merging',
|
|
transform_matrix=json.dumps(composite_data)
|
|
)
|
|
db.session.add(print_file)
|
|
db.session.commit()
|
|
|
|
merge_and_slice_task(print_file.id, inputs, merged_filepath, quality, infill_density, support_enable, support_pattern, delete_stl=False)
|
|
|
|
return jsonify({'success': True, 'message': 'Plater slice queued!'})
|
|
|