comfyui-deploy/custom_routes.py

885 lines
32 KiB
Python

from aiohttp import web
import os
import requests
import folder_paths
import json
import server
from PIL import Image
import time
import execution
import random
import traceback
import uuid
import asyncio
import logging
from enum import Enum
from urllib.parse import quote
import threading
import hashlib
import aiohttp
import aiofiles
from typing import List, Union, Any, Optional
from PIL import Image
import copy
from globals import sockets
from pydantic import BaseModel as PydanticBaseModel
class BaseModel(PydanticBaseModel):
class Config:
arbitrary_types_allowed = True
class Status(Enum):
NOT_STARTED = "not-started"
RUNNING = "running"
SUCCESS = "success"
FAILED = "failed"
UPLOADING = "uploading"
class StreamingPrompt(BaseModel):
workflow_api: Any
auth_token: str
inputs: dict[str, Union[str, bytes, Image.Image]]
running_prompt_ids: set[str] = set()
status_endpoint: str
file_upload_endpoint: str
class SimplePrompt(BaseModel):
status_endpoint: str
file_upload_endpoint: str
workflow_api: dict
status: Status = Status.NOT_STARTED
progress: set = set()
last_updated_node: Optional[str] = None,
uploading_nodes: set = set()
done: bool = False
is_realtime: bool = False,
streaming_prompt_metadata: dict[str, StreamingPrompt] = {}
api = None
api_task = None
prompt_metadata: dict[str, SimplePrompt] = {}
cd_enable_log = os.environ.get('CD_ENABLE_LOG', 'false').lower() == 'true'
cd_enable_run_log = os.environ.get('CD_ENABLE_RUN_LOG', 'false').lower() == 'true'
def post_prompt(json_data):
prompt_server = server.PromptServer.instance
json_data = prompt_server.trigger_on_prompt(json_data)
if "number" in json_data:
number = float(json_data["number"])
else:
number = prompt_server.number
if "front" in json_data:
if json_data["front"]:
number = -number
prompt_server.number += 1
if "prompt" in json_data:
prompt = json_data["prompt"]
valid = execution.validate_prompt(prompt)
extra_data = {}
if "extra_data" in json_data:
extra_data = json_data["extra_data"]
if "client_id" in json_data:
extra_data["client_id"] = json_data["client_id"]
if valid[0]:
# if the prompt id is provided
prompt_id = json_data.get("prompt_id") or str(uuid.uuid4())
outputs_to_execute = valid[2]
prompt_server.prompt_queue.put(
(number, prompt_id, prompt, extra_data, outputs_to_execute)
)
response = {
"prompt_id": prompt_id,
"number": number,
"node_errors": valid[3],
}
return response
else:
print("invalid prompt:", valid[1])
return {"error": valid[1], "node_errors": valid[3]}
else:
return {"error": "no prompt", "node_errors": []}
def randomSeed(num_digits=15):
range_start = 10 ** (num_digits - 1)
range_end = (10**num_digits) - 1
return random.randint(range_start, range_end)
def send_prompt(sid: str, inputs: StreamingPrompt):
# workflow_api = inputs.workflow_api
workflow_api = copy.deepcopy(inputs.workflow_api)
# Random seed
for key in workflow_api:
if 'inputs' in workflow_api[key] and 'seed' in workflow_api[key]['inputs']:
workflow_api[key]['inputs']['seed'] = randomSeed()
print("getting inputs" , inputs.inputs)
# Loop through each of the inputs and replace them
for key, value in workflow_api.items():
if 'inputs' in value:
if "input_id" in value['inputs'] and value['inputs']['input_id'] in inputs.inputs:
new_value = inputs.inputs[value['inputs']['input_id']]
value['inputs']["input_id"] = new_value
# Fix for external text default value
if (value["class_type"] == "ComfyUIDeployExternalText"):
value['inputs']["default_value"] = new_value
if (value["class_type"] == "ComfyDeployWebscoketImageOutput"):
value['inputs']["client_id"] = sid
print(workflow_api)
prompt_id = str(uuid.uuid4())
prompt = {
"prompt": workflow_api,
"client_id": "comfy_deploy_instance", #api.client_id
"prompt_id": prompt_id
}
try:
res = post_prompt(prompt)
inputs.running_prompt_ids.add(prompt_id)
prompt_metadata[prompt_id] = SimplePrompt(
status_endpoint=inputs.status_endpoint,
file_upload_endpoint=inputs.file_upload_endpoint,
workflow_api=workflow_api,
is_realtime=True
)
except Exception as e:
error_type = type(e).__name__
stack_trace_short = traceback.format_exc().strip().split('\n')[-2]
stack_trace = traceback.format_exc().strip()
print(f"error: {error_type}, {e}")
print(f"stack trace: {stack_trace_short}")
@server.PromptServer.instance.routes.post("/comfyui-deploy/run")
async def comfy_deploy_run(request):
prompt_server = server.PromptServer.instance
data = await request.json()
workflow_api = data.get("workflow_api")
# The prompt id generated from comfy deploy, can be None
prompt_id = data.get("prompt_id")
for key in workflow_api:
if 'inputs' in workflow_api[key] and 'seed' in workflow_api[key]['inputs']:
workflow_api[key]['inputs']['seed'] = randomSeed()
prompt = {
"prompt": workflow_api,
"client_id": "comfy_deploy_instance", #api.client_id
"prompt_id": prompt_id
}
prompt_metadata[prompt_id] = SimplePrompt(
status_endpoint=data.get('status_endpoint'),
file_upload_endpoint=data.get('file_upload_endpoint'),
workflow_api=workflow_api
)
try:
res = post_prompt(prompt)
except Exception as e:
error_type = type(e).__name__
stack_trace_short = traceback.format_exc().strip().split('\n')[-2]
stack_trace = traceback.format_exc().strip()
print(f"error: {error_type}, {e}")
print(f"stack trace: {stack_trace_short}")
await update_run_with_output(prompt_id, {
"error": {
"error_type": error_type,
"stack_trace": stack_trace
}
})
# When there are critical errors, the prompt is actually not run
await update_run(prompt_id, Status.FAILED)
return web.Response(status=500, reason=f"{error_type}: {e}, {stack_trace_short}")
status = 200
# if "error" in res:
# status = 400
# await update_run_with_output(prompt_id, {
# "error": {
# **res
# }
# })
if "node_errors" in res and res["node_errors"]:
# Even tho there are node_errors it can still be run
status = 400
await update_run_with_output(prompt_id, {
"error": {
**res
}
})
# When there are critical errors, the prompt is actually not run
if "error" in res:
await update_run(prompt_id, Status.FAILED)
return web.json_response(res, status=status)
def get_comfyui_path_from_file_path(file_path):
file_path_parts = file_path.split("\\")
if file_path_parts[0] == "input":
print("matching input")
file_path = os.path.join(folder_paths.get_directory_by_type("input"), *file_path_parts[1:])
elif file_path_parts[0] == "models":
print("matching models")
file_path = folder_paths.get_full_path(file_path_parts[1], os.path.join(*file_path_parts[2:]))
print(file_path)
return file_path
# Form ComfyUI Manager
async def compute_sha256_checksum(filepath):
print("computing sha256 checksum")
chunk_size = 1024 * 256 # Example: 256KB
filepath = get_comfyui_path_from_file_path(filepath)
"""Compute the SHA256 checksum of a file, in chunks, asynchronously"""
sha256 = hashlib.sha256()
async with aiofiles.open(filepath, 'rb') as f:
while True:
chunk = await f.read(chunk_size)
if not chunk:
break
sha256.update(chunk)
return sha256.hexdigest()
# This is start uploading the files to Comfy Deploy
@server.PromptServer.instance.routes.post('/comfyui-deploy/upload-file')
async def upload_file_endpoint(request):
data = await request.json()
file_path = data.get("file_path")
print("Original file path", file_path)
file_path = get_comfyui_path_from_file_path(file_path)
# return web.json_response({
# "error": f"File not uploaded"
# }, status=500)
token = data.get("token")
get_url = data.get("url")
try:
base = folder_paths.base_path
file_path = os.path.join(base, file_path)
if os.path.exists(file_path):
file_size = os.path.getsize(file_path)
file_extension = os.path.splitext(file_path)[1]
if file_extension in ['.jpg', '.jpeg']:
file_type = 'image/jpeg'
elif file_extension == '.png':
file_type = 'image/png'
elif file_extension == '.webp':
file_type = 'image/webp'
else:
file_type = 'application/octet-stream' # Default to binary file type if unknown
else:
return web.json_response({
"error": f"File not found: {file_path}"
}, status=404)
except Exception as e:
return web.json_response({
"error": str(e)
}, status=500)
if get_url:
try:
async with aiohttp.ClientSession() as session:
headers = {'Authorization': f'Bearer {token}'}
params = {'file_size': file_size, 'type': file_type}
async with session.get(get_url, params=params, headers=headers) as response:
if response.status == 200:
content = await response.json()
upload_url = content["upload_url"]
with open(file_path, 'rb') as f:
headers = {
"Content-Type": file_type,
"x-amz-acl": "public-read",
"Content-Length": str(file_size)
}
async with session.put(upload_url, data=f, headers=headers) as upload_response:
if upload_response.status == 200:
return web.json_response({
"message": "File uploaded successfully",
"download_url": content["download_url"]
})
else:
return web.json_response({
"error": f"Failed to upload file to {upload_url}. Status code: {upload_response.status}"
}, status=upload_response.status)
else:
return web.json_response({
"error": f"Failed to fetch data from {get_url}. Status code: {response.status}"
}, status=response.status)
except Exception as e:
return web.json_response({
"error": f"An error occurred while fetching data from {get_url}: {str(e)}"
}, status=500)
return web.json_response({
"error": f"File not uploaded"
}, status=500)
@server.PromptServer.instance.routes.get('/comfyui-deploy/get-file-hash')
async def get_file_hash(request):
file_path = request.rel_url.query.get('file_path', '')
if file_path is None:
return web.json_response({
"error": "file_path is required"
}, status=400)
try:
base = folder_paths.base_path
file_path = os.path.join(base, file_path)
# print("file_path", file_path)
start_time = time.time() # Capture the start time
file_hash = await compute_sha256_checksum(
file_path
)
end_time = time.time() # Capture the end time after the code execution
elapsed_time = end_time - start_time # Calculate the elapsed time
print(f"Execution time: {elapsed_time} seconds")
return web.json_response({
"file_hash": file_hash
})
except Exception as e:
return web.json_response({
"error": str(e)
}, status=500)
@server.PromptServer.instance.routes.get('/comfyui-deploy/ws')
async def websocket_handler(request):
ws = web.WebSocketResponse()
await ws.prepare(request)
sid = request.rel_url.query.get('clientId', '')
if sid:
# Reusing existing session, remove old
sockets.pop(sid, None)
else:
sid = uuid.uuid4().hex
sockets[sid] = ws
auth_token = request.rel_url.query.get('token', None)
get_workflow_endpoint_url = request.rel_url.query.get('workflow_endpoint', None)
if auth_token is not None and get_workflow_endpoint_url is not None:
async with aiohttp.ClientSession() as session:
headers = {'Authorization': f'Bearer {auth_token}'}
async with session.get(get_workflow_endpoint_url, headers=headers) as response:
if response.status == 200:
workflow = await response.json()
print("Loaded workflow version ",workflow["version"])
streaming_prompt_metadata[sid] = StreamingPrompt(
workflow_api=workflow["workflow_api"],
auth_token=auth_token,
inputs={},
status_endpoint=request.rel_url.query.get('status_endpoint', None),
file_upload_endpoint=request.rel_url.query.get('file_upload_endpoint', None),
)
# await send("workflow_api", workflow_api, sid)
else:
error_message = await response.text()
print(f"Failed to fetch workflow endpoint. Status: {response.status}, Error: {error_message}")
# await send("error", {"message": error_message}, sid)
try:
# Send initial state to the new client
await send("status", { 'sid': sid }, sid)
# Make sure when its connected via client, the full log is not being sent
if cd_enable_log and get_workflow_endpoint_url is None:
await send_first_time_log(sid)
async for msg in ws:
if msg.type == aiohttp.WSMsgType.TEXT:
try:
data = json.loads(msg.data)
print(data)
event_type = data.get('event')
if event_type == 'input':
print("Got input: ", data.get("inputs"))
input = data.get('inputs')
streaming_prompt_metadata[sid].inputs.update(input)
send_prompt(sid, streaming_prompt_metadata[sid])
else:
# Handle other event types
pass
except json.JSONDecodeError:
print('Failed to decode JSON from message')
if msg.type == aiohttp.WSMsgType.ERROR:
print('ws connection closed with exception %s' % ws.exception())
finally:
sockets.pop(sid, None)
return ws
@server.PromptServer.instance.routes.get('/comfyui-deploy/check-status')
async def comfy_deploy_check_status(request):
prompt_id = request.rel_url.query.get('prompt_id', None)
if prompt_id in prompt_metadata:
return web.json_response({
"status": prompt_metadata[prompt_id].status.value
})
else:
return web.json_response({
"message": "prompt_id not found"
})
@server.PromptServer.instance.routes.get('/comfyui-deploy/check-ws-status')
async def comfy_deploy_check_ws_status(request):
client_id = request.rel_url.query.get('client_id', None)
if client_id in streaming_prompt_metadata:
remaining_queue = 0 # Initialize remaining queue count
for prompt_id in streaming_prompt_metadata[client_id].running_prompt_ids:
prompt_status = prompt_metadata[prompt_id].status
if prompt_status not in [Status.FAILED, Status.SUCCESS]:
remaining_queue += 1 # Increment for each prompt still running
return web.json_response({"remaining_queue": remaining_queue})
else:
return web.json_response({"message": "client_id not found"}, status=404)
async def send(event, data, sid=None):
try:
# message = {"event": event, "data": data}
if sid:
ws = sockets.get(sid)
if ws != None and not ws.closed: # Check if the WebSocket connection is open and not closing
await ws.send_json({ 'event': event, 'data': data })
else:
for ws in sockets.values():
if not ws.closed: # Check if the WebSocket connection is open and not closing
await ws.send_json({ 'event': event, 'data': data })
except Exception as e:
print(f"Exception: {e}")
traceback.print_exc()
logging.basicConfig(level=logging.INFO)
prompt_server = server.PromptServer.instance
send_json = prompt_server.send_json
async def send_json_override(self, event, data, sid=None):
# print("INTERNAL:", event, data, sid)
prompt_id = data.get('prompt_id')
# now we send everything
await asyncio.wait([
asyncio.create_task(send(event, data, sid=sid)),
asyncio.create_task(self.send_json_original(event, data, sid))
])
if event == 'execution_start':
update_run(prompt_id, Status.RUNNING)
# the last executing event is none, then the workflow is finished
if event == 'executing' and data.get('node') is None:
mark_prompt_done(prompt_id=prompt_id)
if not have_pending_upload(prompt_id):
update_run(prompt_id, Status.SUCCESS)
if event == 'executing' and data.get('node') is not None:
node = data.get('node')
if prompt_id in prompt_metadata:
# if 'progress' not in prompt_metadata[prompt_id]:
# prompt_metadata[prompt_id]["progress"] = set()
prompt_metadata[prompt_id].progress.add(node)
calculated_progress = len(prompt_metadata[prompt_id].progress) / len(prompt_metadata[prompt_id].workflow_api)
# print("calculated_progress", calculated_progress)
if prompt_metadata[prompt_id].last_updated_node is not None and prompt_metadata[prompt_id].last_updated_node == node:
return
prompt_metadata[prompt_id].last_updated_node = node
class_type = prompt_metadata[prompt_id].workflow_api[node]['class_type']
print("updating run live status", class_type)
await update_run_live_status(prompt_id, "Executing " + class_type, calculated_progress)
if event == 'execution_cached' and data.get('nodes') is not None:
if prompt_id in prompt_metadata:
# if 'progress' not in prompt_metadata[prompt_id]:
# prompt_metadata[prompt_id].progress = set()
if 'nodes' in data:
for node in data.get('nodes', []):
prompt_metadata[prompt_id].progress.add(node)
# prompt_metadata[prompt_id]["progress"].update(data.get('nodes'))
if event == 'execution_error':
# Careful this might not be fully awaited.
await update_run_with_output(prompt_id, data)
update_run(prompt_id, Status.FAILED)
# await update_run_with_output(prompt_id, data)
if event == 'executed' and 'node' in data and 'output' in data:
await update_run_with_output(prompt_id, data.get('output'), node_id=data.get('node'))
# await update_run_with_output(prompt_id, data.get('output'), node_id=data.get('node'))
# update_run_with_output(prompt_id, data.get('output'))
# Global variable to keep track of the last read line number
last_read_line_number = 0
async def update_run_live_status(prompt_id, live_status, calculated_progress: float):
if prompt_id not in prompt_metadata:
return
if prompt_metadata[prompt_id].is_realtime:
return
print("progress", calculated_progress)
status_endpoint = prompt_metadata[prompt_id].status_endpoint
body = {
"run_id": prompt_id,
"live_status": live_status,
"progress": calculated_progress
}
# requests.post(status_endpoint, json=body)
async with aiohttp.ClientSession() as session:
async with session.post(status_endpoint, json=body) as response:
pass
def update_run(prompt_id: str, status: Status):
global last_read_line_number
if prompt_id not in prompt_metadata:
return
# if its realtime prompt we need to skip that.
if prompt_metadata[prompt_id].is_realtime:
return
if (prompt_metadata[prompt_id].status != status):
# when the status is already failed, we don't want to update it to success
if ('status' in prompt_metadata[prompt_id] and prompt_metadata[prompt_id].status == Status.FAILED):
return
status_endpoint = prompt_metadata[prompt_id].status_endpoint
body = {
"run_id": prompt_id,
"status": status.value,
}
print(f"Status: {status.value}")
try:
requests.post(status_endpoint, json=body)
if cd_enable_run_log and (status == Status.SUCCESS or status == Status.FAILED):
try:
with open(comfyui_file_path, 'r') as log_file:
# log_data = log_file.read()
# Move to the last read line
all_log_data = log_file.read() # Read all log data
print("All log data before skipping:", all_log_data) # Log all data before skipping
log_file.seek(0) # Reset file pointer to the beginning
for _ in range(last_read_line_number):
next(log_file)
log_data = log_file.read()
# Update the last read line number
last_read_line_number += log_data.count('\n')
print("last_read_line_number", last_read_line_number)
print("log_data", log_data)
print("log_data.count(n)", log_data.count('\n'))
body = {
"run_id": prompt_id,
"log_data": [
{
"logs": log_data,
# "timestamp": time.time(),
}
]
}
requests.post(status_endpoint, json=body)
except Exception as log_error:
print(f"Error reading log file: {log_error}")
except Exception as e:
error_type = type(e).__name__
stack_trace = traceback.format_exc().strip()
print(f"Error occurred while updating run: {e} {stack_trace}")
finally:
prompt_metadata[prompt_id].status = status
async def upload_file(prompt_id, filename, subfolder=None, content_type="image/png", type="output"):
"""
Uploads file to S3 bucket using S3 client object
:return: None
"""
filename,output_dir = folder_paths.annotated_filepath(filename)
# validation for security: prevent accessing arbitrary path
if filename[0] == '/' or '..' in filename:
return
if output_dir is None:
output_dir = folder_paths.get_directory_by_type(type)
if output_dir is None:
print(filename, "Upload failed: output_dir is None")
return
if subfolder != None:
full_output_dir = os.path.join(output_dir, subfolder)
if os.path.commonpath((os.path.abspath(full_output_dir), output_dir)) != output_dir:
return
output_dir = full_output_dir
filename = os.path.basename(filename)
file = os.path.join(output_dir, filename)
print("uploading file", file)
file_upload_endpoint = prompt_metadata[prompt_id].file_upload_endpoint
filename = quote(filename)
prompt_id = quote(prompt_id)
content_type = quote(content_type)
target_url = f"{file_upload_endpoint}?file_name={filename}&run_id={prompt_id}&type={content_type}"
result = requests.get(target_url)
ok = result.json()
with open(file, 'rb') as f:
data = f.read()
headers = {
"x-amz-acl": "public-read",
"Content-Type": content_type,
"Content-Length": str(len(data)),
}
response = requests.put(ok.get("url"), headers=headers, data=data)
async with aiohttp.ClientSession() as session:
async with session.put(ok.get("url"), headers=headers, data=data) as response:
print("upload file response", response.status)
def have_pending_upload(prompt_id):
if prompt_id in prompt_metadata and len(prompt_metadata[prompt_id].uploading_nodes) > 0:
print("have pending upload ", len(prompt_metadata[prompt_id].uploading_nodes))
return True
print("no pending upload")
return False
def mark_prompt_done(prompt_id):
"""
Mark the prompt as done in the prompt metadata.
Args:
prompt_id (str): The ID of the prompt to mark as done.
"""
if prompt_id in prompt_metadata:
prompt_metadata[prompt_id].done = True
print("Prompt done")
def is_prompt_done(prompt_id: str):
"""
Check if the prompt with the given ID is marked as done.
Args:
prompt_id (str): The ID of the prompt to check.
Returns:
bool: True if the prompt is marked as done, False otherwise.
"""
if prompt_id in prompt_metadata and prompt_metadata[prompt_id].done:
return True
return False
# Use to handle upload error and send back to ComfyDeploy
async def handle_error(prompt_id, data, e: Exception):
error_type = type(e).__name__
stack_trace = traceback.format_exc().strip()
body = {
"run_id": prompt_id,
"output_data": {
"error": {
"type": error_type,
"message": str(e),
"stack_trace": stack_trace
}
}
}
await update_file_status(prompt_id, data, False, have_error=True)
print(body)
print(f"Error occurred while uploading file: {e}")
# Mark the current prompt requires upload, and block it from being marked as success
async def update_file_status(prompt_id: str, data, uploading, have_error=False, node_id=None):
# if 'uploading_nodes' not in prompt_metadata[prompt_id]:
# prompt_metadata[prompt_id]['uploading_nodes'] = set()
if node_id is not None:
if uploading:
prompt_metadata[prompt_id].uploading_nodes.add(node_id)
else:
prompt_metadata[prompt_id].uploading_nodes.discard(node_id)
print(prompt_metadata[prompt_id].uploading_nodes)
# Update the remote status
if have_error:
update_run(prompt_id, Status.FAILED)
await send("failed", {
"prompt_id": prompt_id,
})
return
# if there are still nodes that are uploading, then we set the status to uploading
if uploading:
if prompt_metadata[prompt_id].status != Status.UPLOADING:
update_run(prompt_id, Status.UPLOADING)
await send("uploading", {
"prompt_id": prompt_id,
})
# if there are no nodes that are uploading, then we set the status to success
elif not uploading and not have_pending_upload(prompt_id) and is_prompt_done(prompt_id=prompt_id):
update_run(prompt_id, Status.SUCCESS)
print("Status: SUCCUSS")
await send("success", {
"prompt_id": prompt_id,
})
async def handle_upload(prompt_id: str, data, key: str, content_type_key: str, default_content_type: str):
items = data.get(key, [])
for item in items:
await upload_file(
prompt_id,
item.get("filename"),
subfolder=item.get("subfolder"),
type=item.get("type"),
content_type=item.get(content_type_key, default_content_type)
)
# Upload files in the background
async def upload_in_background(prompt_id: str, data, node_id=None, have_upload=True):
try:
await handle_upload(prompt_id, data, 'images', "content_type", "image/png")
await handle_upload(prompt_id, data, 'files', "content_type", "image/png")
# This will also be mp4
await handle_upload(prompt_id, data, 'gifs', "format", "image/gif")
if have_upload:
await update_file_status(prompt_id, data, False, node_id=node_id)
except Exception as e:
await handle_error(prompt_id, data, e)
async def update_run_with_output(prompt_id, data, node_id=None):
if prompt_id not in prompt_metadata:
return
if prompt_metadata[prompt_id].is_realtime:
return
status_endpoint = prompt_metadata[prompt_id].status_endpoint
body = {
"run_id": prompt_id,
"output_data": data
}
try:
have_upload = 'images' in data or 'files' in data or 'gifs' in data
print("\nhave_upload", have_upload, node_id)
if have_upload:
await update_file_status(prompt_id, data, True, node_id=node_id)
asyncio.create_task(upload_in_background(prompt_id, data, node_id=node_id, have_upload=have_upload))
except Exception as e:
await handle_error(prompt_id, data, e)
requests.post(status_endpoint, json=body)
await send('outputs_uploaded', {
"prompt_id": prompt_id
})
prompt_server.send_json_original = prompt_server.send_json
prompt_server.send_json = send_json_override.__get__(prompt_server, server.PromptServer)
root_path = os.path.dirname(os.path.abspath(__file__))
two_dirs_up = os.path.dirname(os.path.dirname(root_path))
log_file_path = os.path.join(two_dirs_up, 'comfy-deploy.log')
comfyui_file_path = os.path.join(two_dirs_up, 'comfyui.log')
last_read_line = 0
async def watch_file_changes(file_path, callback):
global last_read_line
last_modified_time = os.stat(file_path).st_mtime
while True:
time.sleep(1) # sleep for a while to reduce CPU usage
modified_time = os.stat(file_path).st_mtime
if modified_time != last_modified_time:
last_modified_time = modified_time
with open(file_path, 'r') as file:
lines = file.readlines()
if last_read_line > len(lines):
last_read_line = 0 # Reset if log file has been rotated
new_lines = lines[last_read_line:]
last_read_line = len(lines)
if new_lines:
await callback(''.join(new_lines))
async def send_first_time_log(sid):
with open(log_file_path, 'r') as file:
lines = file.readlines()
await send("LOGS", ''.join(lines), sid)
async def send_logs_to_websocket(logs):
await send("LOGS", logs)
def start_loop(loop):
asyncio.set_event_loop(loop)
loop.run_forever()
def run_in_new_thread(coroutine):
new_loop = asyncio.new_event_loop()
t = threading.Thread(target=start_loop, args=(new_loop,), daemon=True)
t.start()
asyncio.run_coroutine_threadsafe(coroutine, new_loop)
if cd_enable_log:
run_in_new_thread(watch_file_changes(log_file_path, send_logs_to_websocket))