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ltdrdata-ComfyUI-Impact-Pack/modules/impact/impact_server.py
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Python

import os
import threading
import traceback
from aiohttp import web
import impact
import folder_paths
import torchvision
import impact.core as core
import impact.impact_pack as impact_pack
from impact.utils import to_tensor
from segment_anything import SamPredictor, sam_model_registry
import numpy as np
import nodes
from PIL import Image
import io
import impact.wildcards as wildcards
import comfy
from io import BytesIO
import random
from server import PromptServer
import logging
sam_predictor = None
default_sam_model_name = os.path.join(impact_pack.model_path, "sams", "sam_vit_b_01ec64.pth")
sam_lock = threading.Condition()
last_prepare_data = None
def async_prepare_sam(image_dir, model_name, filename):
with sam_lock:
global sam_predictor
if 'vit_h' in model_name:
model_kind = 'vit_h'
elif 'vit_l' in model_name:
model_kind = 'vit_l'
else:
model_kind = 'vit_b'
sam_model = sam_model_registry[model_kind](checkpoint=model_name)
sam_predictor = SamPredictor(sam_model)
image_path = os.path.join(image_dir, filename)
image = nodes.LoadImage().load_image(image_path)[0]
image = np.clip(255. * image.cpu().numpy().squeeze(), 0, 255).astype(np.uint8)
if impact.config.get_config()['sam_editor_cpu']:
device = 'cpu'
else:
device = comfy.model_management.get_torch_device()
sam_predictor.model.to(device=device)
sam_predictor.set_image(image, "RGB")
sam_predictor.model.cpu()
@PromptServer.instance.routes.post("/sam/prepare")
async def sam_prepare(request):
global sam_predictor
global last_prepare_data
data = await request.json()
with sam_lock:
if last_prepare_data is not None and last_prepare_data == data:
# already loaded: skip -- prevent redundant loading
return web.Response(status=200)
last_prepare_data = data
model_name = 'sam_vit_b_01ec64.pth'
if data['sam_model_name'] == 'auto':
model_name = impact.config.get_config()['sam_editor_model']
model_path = folder_paths.get_full_path("sams", model_name)
if model_path is None:
logging.error(f"[Impact Pack] The '{model_name}' model file cannot be found in any sams model path.")
return web.Response(status=400)
logging.info(f"[Impact Pack] Loading SAM model '{model_path}'")
filename, image_dir = folder_paths.annotated_filepath(data["filename"])
if image_dir is None:
typ = data['type'] if data['type'] != '' else 'output'
image_dir = folder_paths.get_directory_by_type(typ)
if data['subfolder'] is not None and data['subfolder'] != '':
image_dir += f"/{data['subfolder']}"
if image_dir is None:
return web.Response(status=400)
thread = threading.Thread(target=async_prepare_sam, args=(image_dir, model_path, filename,))
thread.start()
logging.info("[Impact Pack] SAM model loaded. ")
return web.Response(status=200)
@PromptServer.instance.routes.post("/sam/release")
async def release_sam(request):
global sam_predictor
with sam_lock:
del sam_predictor
sam_predictor = None
logging.info("[Impact Pack]: unloading SAM model")
@PromptServer.instance.routes.post("/sam/detect")
async def sam_detect(request):
global sam_predictor
with sam_lock:
if sam_predictor is not None:
if impact.config.get_config()['sam_editor_cpu']:
device = 'cpu'
else:
device = comfy.model_management.get_torch_device()
sam_predictor.model.to(device=device)
try:
data = await request.json()
positive_points = data['positive_points']
negative_points = data['negative_points']
threshold = data['threshold']
points = []
plabs = []
for p in positive_points:
points.append(p)
plabs.append(1)
for p in negative_points:
points.append(p)
plabs.append(0)
detected_masks = core.sam_predict(sam_predictor, points, plabs, None, threshold)
mask = core.combine_masks2(detected_masks)
if mask is None:
return web.Response(status=400)
image = mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])).movedim(1, -1).expand(-1, -1, -1, 3)
i = 255. * image.cpu().numpy()
img = Image.fromarray(np.clip(i[0], 0, 255).astype(np.uint8))
img_buffer = io.BytesIO()
img.save(img_buffer, format='png')
headers = {'Content-Type': 'image/png'}
finally:
sam_predictor.model.to(device="cpu")
return web.Response(body=img_buffer.getvalue(), headers=headers)
else:
return web.Response(status=400)
@PromptServer.instance.routes.get("/impact/wildcards/refresh")
async def wildcards_refresh(request):
impact.wildcards.wildcard_load()
return web.Response(status=200)
@PromptServer.instance.routes.get("/impact/wildcards/list")
async def wildcards_list(request):
data = {'data': impact.wildcards.get_wildcard_list()}
return web.json_response(data)
@PromptServer.instance.routes.post("/impact/wildcards")
async def populate_wildcards(request):
data = await request.json()
populated = wildcards.process(data['text'], data.get('seed', None))
return web.json_response({"text": populated})
segs_picker_map = {}
@PromptServer.instance.routes.get("/impact/segs/picker/count")
async def segs_picker_count(request):
node_id = request.rel_url.query.get('id', '')
if node_id in segs_picker_map:
res = len(segs_picker_map[node_id])
return web.Response(status=200, text=str(res))
return web.Response(status=400)
@PromptServer.instance.routes.get("/impact/segs/picker/view")
async def segs_picker(request):
node_id = request.rel_url.query.get('id', '')
idx = int(request.rel_url.query.get('idx', ''))
if node_id in segs_picker_map and idx < len(segs_picker_map[node_id]):
img = to_tensor(segs_picker_map[node_id][idx]).permute(0, 3, 1, 2).squeeze(0)
pil = torchvision.transforms.ToPILImage('RGB')(img)
image_bytes = BytesIO()
pil.save(image_bytes, format="PNG")
image_bytes.seek(0)
return web.Response(status=200, body=image_bytes, content_type='image/png', headers={"Content-Disposition": f"filename={node_id}{idx}.png"})
return web.Response(status=400)
@PromptServer.instance.routes.get("/view/validate")
async def view_validate(request):
if "filename" in request.rel_url.query:
filename = request.rel_url.query["filename"]
subfolder = request.rel_url.query["subfolder"]
filename, base_dir = folder_paths.annotated_filepath(filename)
if filename == '' or filename[0] == '/' or '..' in filename:
return web.Response(status=400)
if base_dir is None:
base_dir = folder_paths.get_input_directory()
file = os.path.join(base_dir, subfolder, filename)
if os.path.isfile(file):
return web.Response(status=200)
return web.Response(status=400)
@PromptServer.instance.routes.get("/impact/validate/pb_id_image")
async def view_validate(request):
if "id" in request.rel_url.query:
pb_id = request.rel_url.query["id"]
if pb_id not in core.preview_bridge_image_id_map:
return web.Response(status=400)
file = core.preview_bridge_image_id_map[pb_id]
if os.path.isfile(file):
return web.Response(status=200)
return web.Response(status=400)
@PromptServer.instance.routes.get("/impact/set/pb_id_image")
async def set_previewbridge_image(request):
try:
if "filename" in request.rel_url.query:
node_id = request.rel_url.query["node_id"]
filename = request.rel_url.query["filename"]
path_type = request.rel_url.query["type"]
subfolder = request.rel_url.query["subfolder"]
filename, output_dir = folder_paths.annotated_filepath(filename)
if filename == '' or filename[0] == '/' or '..' in filename:
return web.Response(status=400)
if output_dir is None:
if path_type == 'input':
output_dir = folder_paths.get_input_directory()
elif path_type == 'output':
output_dir = folder_paths.get_output_directory()
else:
output_dir = folder_paths.get_temp_directory()
file = os.path.join(output_dir, subfolder, filename)
item = {
'filename': filename,
'type': path_type,
'subfolder': subfolder,
}
pb_id = core.set_previewbridge_image(node_id, file, item)
return web.Response(status=200, text=pb_id)
except Exception:
traceback.print_exc()
return web.Response(status=400)
@PromptServer.instance.routes.get("/impact/get/pb_id_image")
async def get_previewbridge_image(request):
if "id" in request.rel_url.query:
pb_id = request.rel_url.query["id"]
if pb_id in core.preview_bridge_image_id_map:
_, path_item = core.preview_bridge_image_id_map[pb_id]
return web.json_response(path_item)
return web.Response(status=400)
@PromptServer.instance.routes.get("/impact/view/pb_id_image")
async def view_previewbridge_image(request):
if "id" in request.rel_url.query:
pb_id = request.rel_url.query["id"]
if pb_id in core.preview_bridge_image_id_map:
file = core.preview_bridge_image_id_map[pb_id]
with Image.open(file) as img:
filename = os.path.basename(file)
return web.FileResponse(file, headers={"Content-Disposition": f"filename=\"{filename}\""})
return web.Response(status=400)
def onprompt_for_switch(json_data):
inversed_switch_info = {}
onprompt_switch_info = {}
onprompt_cond_branch_info = {}
disabled_switch = set()
for k, v in json_data['prompt'].items():
if 'class_type' not in v:
continue
cls = v['class_type']
if cls == 'ImpactInversedSwitch':
# if 'sel_mode' is 'select_on_prompt'
if 'sel_mode' in v['inputs'] and v['inputs']['sel_mode'] and 'select' in v['inputs']:
select_input = v['inputs']['select']
# if 'select' is converted input
if isinstance(select_input, list) and len(select_input) == 2:
input_node = json_data['prompt'][select_input[0]]
if input_node['class_type'] == 'ImpactInt' and 'inputs' in input_node and 'value' in input_node['inputs']:
inversed_switch_info[k] = input_node['inputs']['value']
else:
logging.warning(f"\n##### ##### #####\n[Impact Pack] {cls}: For the 'select' operation, only 'select_index' of the 'ImpactInversedSwitch', which is not an input, or 'ImpactInt' and 'Primitive' are allowed as inputs if 'select_on_prompt' is selected.\n##### ##### #####\n")
else:
inversed_switch_info[k] = select_input
elif cls in ['ImpactSwitch', 'LatentSwitch', 'SEGSSwitch', 'ImpactMakeImageList']:
# if 'sel_mode' is 'select_on_prompt'
if 'sel_mode' in v['inputs'] and v['inputs']['sel_mode'] and 'select' in v['inputs']:
select_input = v['inputs']['select']
# if 'select' is converted input
if isinstance(select_input, list) and len(select_input) == 2:
input_node = json_data['prompt'][select_input[0]]
if input_node['class_type'] == 'ImpactInt' and 'inputs' in input_node and 'value' in input_node['inputs']:
onprompt_switch_info[k] = input_node['inputs']['value']
if input_node['class_type'] == 'ImpactSwitch' and 'inputs' in input_node and 'select' in input_node['inputs']:
if isinstance(input_node['inputs']['select'], int):
onprompt_switch_info[k] = input_node['inputs']['select']
else:
logging.warning(f"\n##### ##### #####\n[Impact Pack] {cls}: For the 'select' operation, only 'select_index' of the 'ImpactSwitch', which is not an input, or 'ImpactInt' and 'Primitive' are allowed as inputs if 'select_on_prompt' is selected.\n##### ##### #####\n")
else:
onprompt_switch_info[k] = select_input
if k in onprompt_switch_info and f'input{onprompt_switch_info[k]}' not in v['inputs']:
# disconnect output
disabled_switch.add(k)
elif cls == 'ImpactConditionalBranchSelMode':
if 'sel_mode' in v['inputs'] and v['inputs']['sel_mode'] and 'cond' in v['inputs']:
cond_input = v['inputs']['cond']
if isinstance(cond_input, list) and len(cond_input) == 2:
input_node = json_data['prompt'][cond_input[0]]
if (input_node['class_type'] == 'ImpactValueReceiver' and 'inputs' in input_node
and 'value' in input_node['inputs'] and 'typ' in input_node['inputs']):
if 'BOOLEAN' == input_node['inputs']['typ']:
try:
onprompt_cond_branch_info[k] = input_node['inputs']['value'].lower() == "true"
except:
pass
else:
onprompt_cond_branch_info[k] = cond_input
for k, v in json_data['prompt'].items():
disable_targets = set()
for kk, vv in v['inputs'].items():
if isinstance(vv, list) and len(vv) == 2:
if vv[0] in inversed_switch_info:
if vv[1] + 1 != inversed_switch_info[vv[0]]:
disable_targets.add(kk)
else:
del inversed_switch_info[k]
if vv[0] in disabled_switch:
disable_targets.add(kk)
if k in onprompt_switch_info:
selected_slot_name = f"input{onprompt_switch_info[k]}"
for kk, vv in v['inputs'].items():
if kk != selected_slot_name and kk.startswith('input'):
disable_targets.add(kk)
if k in onprompt_cond_branch_info:
selected_slot_name = "tt_value" if onprompt_cond_branch_info[k] else "ff_value"
for kk, vv in v['inputs'].items():
if kk in ['tt_value', 'ff_value'] and kk != selected_slot_name:
disable_targets.add(kk)
for kk in disable_targets:
del v['inputs'][kk]
# inversed_switch - select out of range
for target in inversed_switch_info.keys():
del json_data['prompt'][target]['inputs']['input']
def onprompt_for_pickers(json_data):
detected_pickers = set()
for k, v in json_data['prompt'].items():
if 'class_type' not in v:
continue
cls = v['class_type']
if cls == 'ImpactSEGSPicker':
detected_pickers.add(k)
# garbage collection
keys_to_remove = [key for key in segs_picker_map if key not in detected_pickers]
for key in keys_to_remove:
del segs_picker_map[key]
def gc_preview_bridge_cache(json_data):
prompt_keys = json_data['prompt'].keys()
for key in list(core.preview_bridge_cache.keys()):
if key not in prompt_keys:
# print(f"key deleted [PB]: {key}")
del core.preview_bridge_cache[key]
for key in list(core.preview_bridge_last_mask_cache.keys()):
if key not in prompt_keys:
# print(f"key deleted [PB_last_mask]: {key}")
del core.preview_bridge_last_mask_cache[key]
def workflow_imagereceiver_update(json_data):
prompt = json_data['prompt']
for v in prompt.values():
if 'class_type' in v and v['class_type'] == 'ImageReceiver':
if v['inputs']['save_to_workflow']:
v['inputs']['image'] = "#DATA"
def regional_sampler_seed_update(json_data):
prompt = json_data['prompt']
for k, v in prompt.items():
if 'class_type' in v and v['class_type'] == 'RegionalSampler':
seed_2nd_mode = v['inputs']['seed_2nd_mode']
new_seed = None
if seed_2nd_mode == 'increment':
new_seed = v['inputs']['seed_2nd']+1
if new_seed > 1125899906842624:
new_seed = 0
elif seed_2nd_mode == 'decrement':
new_seed = v['inputs']['seed_2nd']-1
if new_seed < 0:
new_seed = 1125899906842624
elif seed_2nd_mode == 'randomize':
new_seed = random.randint(0, 1125899906842624)
if new_seed is not None:
PromptServer.instance.send_sync("impact-node-feedback", {"node_id": k, "widget_name": "seed_2nd", "type": "INT", "value": new_seed})
def onprompt_populate_wildcards(json_data):
prompt = json_data['prompt']
updated_widget_values = {}
for k, v in prompt.items():
if 'class_type' in v and (v['class_type'] == 'ImpactWildcardEncode' or v['class_type'] == 'ImpactWildcardProcessor'):
inputs = v['inputs']
# legacy adapter
if isinstance(inputs['mode'], bool):
if inputs['mode']:
new_mode = 'populate'
else:
new_mode = 'fixed'
inputs['mode'] = new_mode
if inputs['mode'] == 'populate' and isinstance(inputs['populated_text'], str):
if isinstance(inputs['seed'], list):
try:
input_node = prompt[inputs['seed'][0]]
if input_node['class_type'] == 'ImpactInt':
input_seed = int(input_node['inputs']['value'])
if not isinstance(input_seed, int):
continue
if input_node['class_type'] == 'Seed (rgthree)':
input_seed = int(input_node['inputs']['seed'])
if not isinstance(input_seed, int):
continue
else:
logging.info(f"[Impact Pack] Only `ImpactInt`, `Seed (rgthree)` and `Primitive` Node are allowed as the seed for '{v['class_type']}'. It will be ignored. ")
continue
except:
continue
else:
input_seed = int(inputs['seed'])
inputs['populated_text'] = wildcards.process(inputs['wildcard_text'], input_seed)
inputs['mode'] = 'reproduce'
PromptServer.instance.send_sync("impact-node-feedback", {"node_id": k, "widget_name": "populated_text", "type": "STRING", "value": inputs['populated_text']})
updated_widget_values[k] = inputs['populated_text']
if inputs['mode'] == 'reproduce':
PromptServer.instance.send_sync("impact-node-feedback", {"node_id": k, "widget_name": "mode", "type": "STRING", "value": 'populate'})
if 'extra_data' in json_data and 'extra_pnginfo' in json_data['extra_data']:
for node in json_data['extra_data']['extra_pnginfo']['workflow']['nodes']:
key = str(node['id'])
if key in updated_widget_values:
node['widgets_values'][1] = updated_widget_values[key]
node['widgets_values'][2] = 'reproduce'
def onprompt_for_remote(json_data):
prompt = json_data['prompt']
for v in prompt.values():
if 'class_type' in v:
cls = v['class_type']
if cls == 'ImpactRemoteBoolean' or cls == 'ImpactRemoteInt':
inputs = v['inputs']
node_id = str(inputs['node_id'])
if node_id not in prompt:
continue
target_inputs = prompt[node_id]['inputs']
widget_name = inputs['widget_name']
if widget_name in target_inputs:
widget_type = None
if cls == 'ImpactRemoteBoolean' and isinstance(target_inputs[widget_name], bool):
widget_type = 'BOOLEAN'
elif cls == 'ImpactRemoteInt' and (isinstance(target_inputs[widget_name], int) or isinstance(target_inputs[widget_name], float)):
widget_type = 'INT'
if widget_type is None:
break
target_inputs[widget_name] = inputs['value']
PromptServer.instance.send_sync("impact-node-feedback", {"node_id": node_id, "widget_name": widget_name, "type": widget_type, "value": inputs['value']})
def onprompt(json_data):
try:
onprompt_for_remote(json_data) # NOTE: top priority
onprompt_for_switch(json_data)
onprompt_for_pickers(json_data)
onprompt_populate_wildcards(json_data)
gc_preview_bridge_cache(json_data)
workflow_imagereceiver_update(json_data)
regional_sampler_seed_update(json_data)
core.current_prompt = json_data
except Exception as e:
logging.warning(f"[Impact Pack] ComfyUI-Impact-Pack: Error on prompt - several features will not work.\n{e}")
return json_data
PromptServer.instance.add_on_prompt_handler(onprompt)