name: Free Bambu A1 Slicer (3D-Masterskaya) on: workflow_dispatch: inputs: model: description: "Модель из каталога мастерской или custom" type: choice required: true options: - LED_Clip_10mm_MID_5mm - LED_Clip_10mm_LOW_3p5mm - LED_Clip_10mm_TALL_6p5mm - LED_Clip_12mm_MID_5mm - Cable_Clip_5mm_PETG - TEST_PLATE_4_variants_geometry_only - custom custom_path: description: "Если custom, путь к 3MF в папке input/" type: string required: false default: "" permissions: contents: read jobs: slice: runs-on: ubuntu-24.04 timeout-minutes: 35 steps: - uses: actions/checkout@v4 - name: Prepare 3MF (free catalogue or private custom) shell: bash env: MODEL: ${{ inputs.model }} CUSTOM_PATH: ${{ inputs.custom_path }} run: | set -euo pipefail mkdir -p work output python3 - <<'PY3' import os, re, json, zipfile, urllib.request from pathlib import Path items = { 'LED_Clip_10mm_MID_5mm': 'LED_Clip_10mm_MID_5mm_A1_PETG_PROJECT.3mf', 'LED_Clip_10mm_LOW_3p5mm': 'LED_Clip_10mm_LOW_3p5mm_A1_PETG_PROJECT.3mf', 'LED_Clip_10mm_TALL_6p5mm': 'LED_Clip_10mm_TALL_6p5mm_A1_PETG_PROJECT.3mf', 'LED_Clip_12mm_MID_5mm': 'LED_Clip_12mm_MID_5mm_A1_PETG_PROJECT.3mf', 'Cable_Clip_5mm_PETG': 'Cable_Clip_5mm_PETG_A1_PETG_PROJECT.3mf', 'TEST_PLATE_4_variants_geometry_only': 'TEST_PLATE_4_variants_geometry_only_A1_PETG_PROJECT.3mf', } selected=os.environ['MODEL'] dest=Path('work/for_slicing.3mf') if selected == 'custom': custom=os.environ.get('CUSTOM_PATH','') if not re.fullmatch(r'input/[A-Za-z0-9_.-]+\.3mf',custom): raise SystemExit('Для custom укажи безопасный путь input/NAME.3mf') data=Path(custom).read_bytes() print('Using private file:',custom) else: if selected not in items:raise SystemExit('Unknown catalogue model') url='https://3d-masterskay.pages.dev/projects/'+items[selected] print('Downloading public project:',url) req=urllib.request.Request(url,headers={'User-Agent':'3D-Masterskaya-Free-Slicer/0.9'}) with urllib.request.urlopen(req,timeout=45) as resp: data=resp.read(25_000_001) if not 500 < len(data) <= 25_000_000:raise SystemExit('File missing or >25MB') dest.write_bytes(data) with zipfile.ZipFile(dest) as z: bad=z.testzip() if bad:raise SystemExit('Damaged file: '+bad) names=z.namelist() if not any(x.endswith('.model') for x in names):raise SystemExit('3MF geometry missing') if 'Metadata/project_settings.config' not in names: raise SystemExit('Bambu print settings missing: need project 3MF, not bare geometry') cfg=json.loads(z.read('Metadata/project_settings.config')) machine=cfg.get('printer_settings_id','') nozzles=cfg.get('nozzle_diameter',[]) filament=cfg.get('filament_type',[]) if 'A1' not in machine or '0.4' not in str(nozzles) or 'PETG' not in str(filament): raise SystemExit(f'Expected Bambu A1, 0.4mm, PETG: got {machine} / {nozzles} / {filament}') if any(x.lower().endswith('.gcode') for x in names): raise SystemExit('Input already contains G-code; upload unsliced project') print('3MF project validated:',len(data),'bytes') PY3 - name: Install Linux libraries for Bambu Studio shell: bash run: | set -euo pipefail sudo apt-get update -qq sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \ xvfb libgtk-3-0t64 libwebkit2gtk-4.1-0 libglu1-mesa libgl1 libfuse2t64 \ libdbus-1-3 libgstreamer-plugins-base1.0-0 fonts-dejavu-core - name: Fetch OFFICIAL Bambu Studio (latest stable AppImage) shell: bash env: GITHUB_TOKEN: ${{ github.token }} run: | set -euo pipefail python3 - <<'PY3' import json,os,pathlib,urllib.request base='https://api.github.com/repos/bambulab/BambuStudio/releases/latest' headers={'User-Agent':'3D-Masterskaya-Free-Slicer/0.9','Accept':'application/vnd.github+json', 'Authorization':'Bearer '+os.environ['GITHUB_TOKEN']} with urllib.request.urlopen(urllib.request.Request(base,headers=headers),timeout=35) as resp: release=json.load(resp) assets=[a for a in release.get('assets',[]) if a.get('name','').lower().endswith('.appimage') and ('ubuntu24.04' in a['name'].lower() or 'ubuntu-24.04' in a['name'].lower())] if not assets:raise SystemExit('No Ubuntu 24.04 Bambu Studio AppImage in latest STABLE GitHub release') asset=max(assets,key=lambda x:x.get('size',0)) url=asset['browser_download_url'] if not url.startswith('https://github.com/bambulab/BambuStudio/releases/download/'): raise SystemExit('Refusing third-party binary') print('Official Bambu Studio:',release['tag_name'],asset['name'],asset['size']) dest=pathlib.Path('work/BambuStudio.AppImage') with urllib.request.urlopen(urllib.request.Request(url,headers={'User-Agent':'3D-Masterskaya/0.9'}),timeout=120) as src, dest.open('wb') as out: size=0 while True: chunk=src.read(1024*1024) if not chunk:break size+=len(chunk) if size>650_000_000:raise SystemExit('Download unexpectedly large') out.write(chunk) if size!=asset['size'] or size<60_000_000:raise SystemExit('Downloaded binary incomplete') dest.chmod(0o755) PY3 - name: Extract AppImage (without FUSE) shell: bash run: | set -euo pipefail cd work ./BambuStudio.AppImage --appimage-extract > /dev/null test -e squashfs-root/AppRun - name: Actual Bambu Studio CLI slicing shell: bash run: | set -euxo pipefail export NO_AT_BRIDGE=1 timeout 720 xvfb-run -a work/squashfs-root/AppRun \ --debug 2 --slice 0 \ --export-3mf output/A1_PETG_sliced.gcode.3mf \ work/for_slicing.3mf 2>&1 | tee work/slicer.log test -s output/A1_PETG_sliced.gcode.3mf - name: Verify actual G-code and metadata shell: bash run: | python3 - <<'PY3' import zipfile,json,pathlib,sys path=pathlib.Path('output/A1_PETG_sliced.gcode.3mf') try: with zipfile.ZipFile(path) as z: if z.testzip():raise ValueError('ZIP corruption') entries=[i for i in z.infolist() if i.filename.lower().endswith('.gcode') and i.file_size>100] if not entries:raise ValueError('No nonempty G-code in 3MF') if 'Metadata/project_settings.config' in z.namelist(): cfg=json.loads(z.read('Metadata/project_settings.config')) if 'A1' not in str(cfg.get('printer_settings_id','')): raise ValueError('Printer setting is not Bambu A1') if 'PETG' not in str(cfg.get('filament_type',[])): raise ValueError('Filament setting is not PETG') print('VALIDATED G-CODE EXISTS:',[(e.filename,e.file_size) for e in entries]) print('CAUTION: not physically test-printed!') except Exception as e: sys.exit('REJECTED. Not safe to assume print ready: '+str(e)) PY3 - name: Save sliced 3MF (only if verification succeeded) uses: actions/upload-artifact@v4 with: name: a1-petg-gcode-3mf path: output/A1_PETG_sliced.gcode.3mf if-no-files-found: error retention-days: 1 - name: Save diagnostic log on failure if: failure() uses: actions/upload-artifact@v4 with: name: diagnostics path: work/slicer.log if-no-files-found: ignore retention-days: 1