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import asyncio
import os
import json
import shutil
import inspect
import aiohttp
from server import PromptServer
from tqdm import tqdm
config = None
def is_logging_enabled():
config = get_extension_config()
if "logging" not in config:
return False
return config["logging"]
def log(message, type=None, always=False, name=None):
if not always and not is_logging_enabled():
return
if type is not None:
message = f"[{type}] {message}"
if name is None:
name = get_extension_config()["name"]
print(f"(pysssss:{name}) {message}")
def get_ext_dir(subpath=None, mkdir=False):
dir = os.path.dirname(__file__)
if subpath is not None:
dir = os.path.join(dir, subpath)
dir = os.path.abspath(dir)
if mkdir and not os.path.exists(dir):
os.makedirs(dir)
return dir
def get_comfy_dir(subpath=None, mkdir=False):
dir = os.path.dirname(inspect.getfile(PromptServer))
if subpath is not None:
dir = os.path.join(dir, subpath)
dir = os.path.abspath(dir)
if mkdir and not os.path.exists(dir):
os.makedirs(dir)
return dir
def get_web_ext_dir():
config = get_extension_config()
name = config["name"]
dir = get_comfy_dir("web/extensions/pysssss")
if not os.path.exists(dir):
os.makedirs(dir)
dir = os.path.join(dir, name)
return dir
def get_extension_config(reload=False):
global config
if reload == False and config is not None:
return config
config_path = get_ext_dir("pysssss.json")
if not os.path.exists(config_path):
log("Missing pysssss.json, this extension may not work correctly. Please reinstall the extension.",
type="ERROR", always=True, name="???")
print(f"Extension path: {get_ext_dir()}")
return {"name": "Unknown", "version": -1}
with open(config_path, "r") as f:
config = json.loads(f.read())
return config
def link_js(src, dst):
src = os.path.abspath(src)
dst = os.path.abspath(dst)
if os.name == "nt":
try:
import _winapi
_winapi.CreateJunction(src, dst)
return True
except:
pass
try:
os.symlink(src, dst)
return True
except:
import logging
logging.exception('')
return False
def is_junction(path):
if os.name != "nt":
return False
try:
return bool(os.readlink(path))
except OSError:
return False
def install_js():
src_dir = get_ext_dir("js")
if not os.path.exists(src_dir):
log("No JS")
return
dst_dir = get_web_ext_dir()
if os.path.exists(dst_dir):
if os.path.islink(dst_dir) or is_junction(dst_dir):
log("JS already linked")
return
elif link_js(src_dir, dst_dir):
log("JS linked")
return
log("Copying JS files")
shutil.copytree(src_dir, dst_dir, dirs_exist_ok=True)
def init(check_imports=None):
log("Init")
if check_imports is not None:
import importlib.util
for imp in check_imports:
spec = importlib.util.find_spec(imp)
if spec is None:
log(f"{imp} is required, please check requirements are installed.",
type="ERROR", always=True)
return False
install_js()
return True
def get_async_loop():
loop = None
try:
loop = asyncio.get_event_loop()
except:
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
return loop
def get_http_session():
loop = get_async_loop()
return aiohttp.ClientSession(loop=loop)
async def download(url, stream, update_callback=None, session=None):
close_session = False
if session is None:
close_session = True
session = get_http_session()
try:
async with session.get(url) as response:
size = int(response.headers.get('content-length', 0)) or None
with tqdm(
unit='B', unit_scale=True, miniters=1, desc=url.split('/')[-1], total=size,
) as progressbar:
perc = 0
async for chunk in response.content.iter_chunked(2048):
stream.write(chunk)
progressbar.update(len(chunk))
if update_callback is not None and progressbar.total is not None and progressbar.total != 0:
last = perc
perc = round(progressbar.n / progressbar.total, 2)
if perc != last:
last = perc
await update_callback(perc)
finally:
if close_session and session is not None:
await session.close()
async def download_to_file(url, destination, update_callback=None, is_ext_subpath=True, session=None):
if is_ext_subpath:
destination = get_ext_dir(destination)
with open(destination, mode='wb') as f:
download(url, f, update_callback, session)
def wait_for_async(async_fn, loop=None):
res = []
async def run_async():
r = await async_fn()
res.append(r)
if loop is None:
try:
loop = asyncio.get_event_loop()
except:
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
loop.run_until_complete(run_async())
return res[0]
def update_node_status(client_id, node, text, progress=None):
if client_id is None:
client_id = PromptServer.instance.client_id
if client_id is None:
return
PromptServer.instance.send_sync("pysssss/update_status", {
"node": node,
"progress": progress,
"text": text
}, client_id)
async def update_node_status_async(client_id, node, text, progress=None):
if client_id is None:
client_id = PromptServer.instance.client_id
if client_id is None:
return
await PromptServer.instance.send("pysssss/update_status", {
"node": node,
"progress": progress,
"text": text
}, client_id)
def get_config_value(key, default=None, throw=False):
split = key.split(".")
obj = get_extension_config()
for s in split:
if s in split:
obj = obj[s]
else:
if throw:
raise KeyError("Configuration key missing: " + key)
else:
return default
return obj
def is_inside_dir(root_dir, check_path):
root_dir = os.path.abspath(root_dir)
if not os.path.isabs(check_path):
check_path = os.path.abspath(os.path.join(root_dir, check_path))
return os.path.commonpath([check_path, root_dir]) == root_dir
def get_child_dir(root_dir, child_path, throw_if_outside=True):
child_path = os.path.abspath(os.path.join(root_dir, child_path))
if is_inside_dir(root_dir, child_path):
return child_path
if throw_if_outside:
raise NotADirectoryError(
"Saving outside the target folder is not allowed.")
return None
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