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分离cura，加入prusa，未测试

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lhye200
2026-04-18 23:40:03 +08:00
parent 6981553101
commit 0416922a94
100 changed files with 196 additions and 320 deletions
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187
app/utils/tasks.py
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@@ -45,184 +45,53 @@ def slice_stl_task(file_id, stl_filepath, quality_preset=None, infill_density=No
# Remove DB session to avoid locking the sqlite db during long slicing operations
db.session.remove()
tmp_def_path = None
from app.utils.slice_engines import get_slicer_engine
try:
# Create Cura engine options
# use our local minimal configurations detached from the entire Cura framework
print_config_path = os.path.abspath(os.path.join(app.root_path, '..', 'print_config'))
printers_path = os.path.join(print_config_path, 'printers')
extruders_path = os.path.join(print_config_path, 'extruders')
materials_path = os.path.join(print_config_path, 'materials')
presets_path = os.path.join(print_config_path, 'quality')
variants_path = os.path.join(print_config_path, 'variants')
# Optionally fetch the preferred engine from db conf or just default to cura
# For now default to cura or whichever is passed via kwargs if implemented later
conf_engine = SystemConfig.query.filter_by(key='slicer_engine').first()
engine_name = conf_engine.value if conf_engine and conf_engine.value else "cura"
db.session.remove()
env = os.environ.copy()
env["CURA_ENGINE_SEARCH_PATH"] = f"{printers_path}:{extruders_path}:{materials_path}:{presets_path}:{variants_path}"
slicer = get_slicer_engine(engine_name)
def_files = [
os.path.join(printers_path, "fdmprinter.def.json"),
os.path.join(printers_path, "fdmextruder.def.json"),
os.path.join(printers_path, "creality_base.def.json"),
os.path.join(printers_path, "creality_ender3v3se.def.json")
]
inst_files_list = []
if quality_preset:
config = configparser.ConfigParser()
preset_path = os.path.join(presets_path, 'creality', 'presets', quality_preset)
if os.path.exists(preset_path):
config.read(preset_path)
material_type = config.get('metadata', 'material', fallback=None)
variant_type = config.get('metadata', 'variant', fallback=None)
quality_type = config.get('metadata', 'quality_type', fallback=None)
if material_type:
m_path = os.path.join(materials_path, f"{material_type}.inst.cfg")
if os.path.exists(m_path): inst_files_list.append(m_path)
if variant_type:
variant_d = variant_type.split("mm")[0]
v_path = os.path.join(variants_path, "creality", f"creality_ender3v3se_{variant_d}.inst.cfg")
if os.path.exists(v_path): inst_files_list.append(v_path)
if support_pattern == 'tree':
t_path = os.path.join(print_config_path, 'supports', 'tree.inst.cfg')
if os.path.exists(t_path): inst_files_list.append(t_path)
elif support_pattern and support_pattern != 'false':
n_path = os.path.join(print_config_path, 'supports', 'normal.inst.cfg')
if os.path.exists(n_path): inst_files_list.append(n_path)
if quality_preset and quality_type:
g_path = os.path.join(presets_path, 'creality', 'globals', f"{quality_type}.inst.cfg")
if os.path.exists(g_path): inst_files_list.append(g_path)
if quality_preset and os.path.exists(preset_path):
inst_files_list.append(preset_path)
p = ConfParse(def_files)
settings_with_inst = p.add_inst_cfg(inst_files_list)
if infill_density is not None:
if "infill_sparse_density" not in settings_with_inst: settings_with_inst["infill_sparse_density"] = {}
settings_with_inst["infill_sparse_density"]["value"] = str(infill_density)
if "infill_line_distance" not in settings_with_inst: settings_with_inst["infill_line_distance"] = {}
settings_with_inst["infill_line_distance"]["value"] = str(100 / int(infill_density)) if int(infill_density) > 0 else "9999"
if support_enable is not None:
if "support_enable" not in settings_with_inst: settings_with_inst["support_enable"] = {}
settings_with_inst["support_enable"]["value"] = True if support_enable in ['true', 'buildplate'] else False
if "support_type" not in settings_with_inst: settings_with_inst["support_type"] = {}
settings_with_inst["support_type"]["value"] = "'buildplate'" if support_enable == 'buildplate' else "'everywhere'"
if support_pattern == 'tree':
if "support_structure" not in settings_with_inst: settings_with_inst["support_structure"] = {}
settings_with_inst["support_structure"]["value"] = "'tree'"
elif support_pattern in settings_with_inst["support_pattern"]["options"].keys():
if "support_structure" not in settings_with_inst: settings_with_inst["support_structure"] = {}
settings_with_inst["support_structure"]["value"] = "'normal'"
if "support_pattern" not in settings_with_inst: settings_with_inst["support_pattern"] = {}
settings_with_inst["support_pattern"]["value"] = f"'{support_pattern}'"
# Parse to exact values
res = p.parse_configs(settings_with_inst)
override_dict = {}
for k, v in res.items():
if v.get("enabled", True):
val = v.get("value", None)
if val is not None:
# Filter out our protective ConfigStr wrappers
# if type(val).__name__ == "ConfigStr": pass
# else: override_dict[k] = {"default_value": val}
override_dict[k] = {"value": val,"default_value": val}
elif "default_value" in v:
override_dict[k] = {"default_value": v["default_value"], "value": v["default_value"]}
tmp_def_filename = f"tmp_{uuid.uuid4().hex}.def.json"
tmp_def_path = os.path.join(app.config['UPLOAD_FOLDER'], tmp_def_filename)
tmp_def_obj = {
"version": 2,
"name": "TempProfile",
"inherits": "fdmprinter",
"metadata": {
"visible": True,
"author": "System",
"manufacturer": "System",
"file_formats": "text/x-gcode",
"first_start_actions": ["MachineSettingsAction"],
"has_materials": True,
"has_variants": True,
"has_machine_quality": True,
"variants_name": "Nozzle Size",
"preferred_variant_name": "0.4mm Nozzle",
"preferred_quality_type": "standard",
"preferred_material": "generic_pla",
},
"overrides": override_dict
}
pretty_json = json.dumps(tmp_def_obj, indent=4)
with open(tmp_def_path, "w") as f:
f.write(pretty_json)
command = [
"CuraEngine", "slice",
"-j", tmp_def_path,
"-l", stl_filepath,
"-o", gcode_filepath
]
app.logger.info(f"Running command: {' '.join(command)}")
# print(f"Running command: {' '.join(command)}")
process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
stdout, stderr = process.communicate()
# if stdout:
# print(f"[CuraEngine STDOUT]\n{stdout.decode('utf-8', errors='ignore')}")
# if stderr:
# print(f"[CuraEngine STDERR]\n{stderr.decode('utf-8', errors='ignore')}", flush=True)
success, err_msg = slicer.slice(
app=app,
stl_filepath=stl_filepath,
gcode_filepath=gcode_filepath,
quality_preset=quality_preset,
infill_density=infill_density,
support_enable=support_enable,
support_pattern=support_pattern
)
# Re-fetch print_file and update status
print_file = PrintFile.query.get(file_id)
if not print_file:
return
if process.returncode == 0:
if success:
print_file.status = 'sliced'
else:
print_file.status = 'failed'
app.logger.error(f"CuraEngine Error: {stderr.decode()}")
app.logger.error(f"Slicing Task Failed: {err_msg}")
except Exception as e:
# Re-fetch in case of exception
print_file = PrintFile.query.get(file_id)
if print_file:
print_file.status = 'failed'
app.logger.error(f"Subprocess Exception: {e}")
if delete_stl and os.path.exists(stl_filepath):
try:
os.remove(stl_filepath)
except Exception as e:
app.logger.error(f"Failed to delete temp STL {stl_filepath}: {e}")
if tmp_def_path and os.path.exists(tmp_def_path):
try:
os.remove(tmp_def_path)
# pass
except Exception as e:
app.logger.error(f"Failed to delete temp JSON config {tmp_def_path}: {e}")
db.session.commit()
db.session.remove()
finally:
if delete_stl and os.path.exists(stl_filepath):
try:
os.remove(stl_filepath)
except Exception as e:
app.logger.error(f"Failed to delete temp STL {stl_filepath}: {e}")
db.session.commit()
db.session.remove()
@huey.task()