85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
import json
|
|
import time
|
|
|
|
import requests
|
|
from flask import request
|
|
|
|
from ..helpers.client import format_sillytavern_err
|
|
from ... import opts
|
|
from ...database import log_prompt
|
|
from ...helpers import indefinite_article
|
|
from ...llm.hf_textgen.generate import prepare_json
|
|
from ...stream import sock
|
|
|
|
|
|
@sock.route('/api/v1/stream') # TODO: use blueprint route???
|
|
def stream(ws):
|
|
start_time = time.time()
|
|
if request.headers.get('cf-connecting-ip'):
|
|
client_ip = request.headers.get('cf-connecting-ip')
|
|
elif request.headers.get('x-forwarded-for'):
|
|
client_ip = request.headers.get('x-forwarded-for').split(',')[0]
|
|
else:
|
|
client_ip = request.remote_addr
|
|
token = request.headers.get('X-Api-Key')
|
|
|
|
message_num = 0
|
|
while ws.connected:
|
|
message = ws.receive()
|
|
data = json.loads(message)
|
|
|
|
if opts.mode == 'hf-textgen':
|
|
response = requests.post(f'{opts.backend_url}/generate_stream', json=prepare_json(data), stream=True, verify=False)
|
|
|
|
# Be extra careful when getting attributes from the response object
|
|
try:
|
|
response_status_code = response.status_code
|
|
except:
|
|
response_status_code = 0
|
|
|
|
details = {}
|
|
generated_text = ''
|
|
|
|
# Iterate over each line in the response
|
|
for line in response.iter_lines():
|
|
# Decode the line to a string
|
|
line = line.decode('utf-8')
|
|
# If the line starts with 'data:', remove the prefix and parse the remaining string as JSON
|
|
if line.startswith('data:'):
|
|
line = line[5:]
|
|
json_data = json.loads(line)
|
|
details = json_data.get('details', {})
|
|
generated_text = json_data.get('generated_text', '')
|
|
|
|
if json_data.get('error'):
|
|
error_type = json_data.get('error_type')
|
|
error_type_string = 'returned an error' if opts.mode == 'oobabooga' else f'returned {indefinite_article(error_type)} {error_type} error'
|
|
generated_text = format_sillytavern_err(
|
|
f'Backend ({opts.mode}) {error_type_string}: {json_data.get("error")}',
|
|
f'HTTP CODE {response_status_code}')
|
|
ws.send(json.dumps({
|
|
'event': 'text_stream',
|
|
'message_num': message_num,
|
|
'text': generated_text
|
|
}))
|
|
break
|
|
else:
|
|
ws.send(json.dumps({
|
|
'event': 'text_stream',
|
|
'message_num': message_num,
|
|
'text': json_data['token']['text']
|
|
}))
|
|
message_num += 1
|
|
|
|
ws.send(json.dumps({
|
|
'event': 'stream_end',
|
|
'message_num': message_num
|
|
}))
|
|
|
|
end_time = time.time()
|
|
elapsed_time = end_time - start_time
|
|
parameters = data.copy()
|
|
del parameters['prompt']
|
|
|
|
log_prompt(client_ip, token, data['prompt'], generated_text, elapsed_time, parameters, dict(request.headers), response_status_code, response_tokens=details['generated_tokens'])
|