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				https://github.com/ggml-org/llama.cpp.git
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	* server: #5655 - continue to update other slots on embedding concurrent request. * server: tests: add multi users embeddings as fixed * server: tests: adding OAI compatible embedding concurrent endpoint * server: tests: adding OAI compatible embedding with multiple inputs
		
			
				
	
	
		
			773 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			773 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import asyncio
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import collections
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import json
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import os
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import re
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import socket
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import subprocess
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import time
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from contextlib import closing
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from re import RegexFlag
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import aiohttp
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import openai
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from behave import step
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from behave.api.async_step import async_run_until_complete
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@step(u"a server listening on {server_fqdn}:{server_port}")
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def step_server_config(context, server_fqdn, server_port):
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    context.server_fqdn = server_fqdn
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    context.server_port = int(server_port)
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    if 'PORT' in os.environ:
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        context.server_port = int(os.environ['PORT'])
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        print(f"$PORT set, overriding server port with to {context.server_port}")
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    context.base_url = f'http://{context.server_fqdn}:{context.server_port}'
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    context.debug = 'DEBUG' in os.environ and os.environ['DEBUG'] == 'ON'
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    context.model_alias = None
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    context.n_ctx = None
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    context.n_predict = None
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    context.n_server_predict = None
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    context.n_slots = None
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    context.server_api_key = None
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    context.server_continuous_batching = False
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    context.server_embeddings = False
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    context.server_seed = None
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    context.user_api_key = None
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    context.tasks_result = []
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    context.concurrent_tasks = []
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    context.prompts = []
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@step(u'a model file {model_file}')
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def step_model_file(context, model_file):
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    context.model_file = model_file
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@step(u'a model alias {model_alias}')
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def step_model_alias(context, model_alias):
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    context.model_alias = model_alias
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@step(u'{seed} as server seed')
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def step_seed(context, seed):
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    context.server_seed = int(seed)
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@step(u'{n_ctx} KV cache size')
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def step_n_ctx(context, n_ctx):
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    context.n_ctx = int(n_ctx)
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@step(u'{n_slots} slots')
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def step_n_slots(context, n_slots):
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    context.n_slots = int(n_slots)
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@step(u'{n_predict} server max tokens to predict')
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def step_server_n_predict(context, n_predict):
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    context.n_server_predict = int(n_predict)
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@step(u'continuous batching')
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def step_server_continuous_batching(context):
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    context.server_continuous_batching = True
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@step(u'embeddings extraction')
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def step_server_embeddings(context):
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    context.server_embeddings = True
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@step(u"the server is starting")
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def step_start_server(context):
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    start_server_background(context)
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    attempts = 0
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    while True:
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        with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
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            result = sock.connect_ex((context.server_fqdn, context.server_port))
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            if result == 0:
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                print("\x1b[33;46mserver started!\x1b[0m")
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                return
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            attempts += 1
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            if attempts > 20:
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                assert False, "server not started"
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            print(f"waiting for server to start, connect error code = {result}...")
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            time.sleep(0.1)
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@step(u"the server is {expecting_status}")
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@async_run_until_complete
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async def step_wait_for_the_server_to_be_started(context, expecting_status):
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    match expecting_status:
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        case 'healthy':
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            await wait_for_health_status(context, context.base_url, 200, 'ok')
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        case 'ready' | 'idle':
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            await wait_for_health_status(context, context.base_url, 200, 'ok',
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                                         params={'fail_on_no_slot': 0, 'include_slots': 0},
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                                         slots_idle=context.n_slots,
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                                         slots_processing=0,
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                                         expected_slots=[{'id': slot_id, 'state': 0}
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                                                         for slot_id in range(context.n_slots)])
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        case 'busy':
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            await wait_for_health_status(context, context.base_url, 503,
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                                         'no slot available',
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                                         params={'fail_on_no_slot': 0, 'include_slots': 0},
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                                         slots_idle=0,
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                                         slots_processing=context.n_slots,
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                                         expected_slots=[{'id': slot_id, 'state': 1}
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                                                         for slot_id in range(context.n_slots)])
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        case _:
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            assert False, "unknown status"
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@step(u'all slots are {expected_slot_status_string}')
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@async_run_until_complete
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async def step_all_slots_status(context, expected_slot_status_string):
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    match expected_slot_status_string:
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        case 'idle':
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            expected_slot_status = 0
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        case 'busy':
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            expected_slot_status = 1
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        case _:
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            assert False, "unknown status"
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    expected_slots = [{'id': slot_id, 'state': expected_slot_status}
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                      for slot_id in range(context.n_slots)]
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    await request_slots_status(context, expected_slots)
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@step(u'a completion request with {api_error} api error')
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@async_run_until_complete
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async def step_request_completion(context, api_error):
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    expect_api_error = api_error == 'raised'
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    completion = await request_completion(context.prompts.pop(),
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                                          context.base_url,
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                                          debug=context.debug,
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                                          n_predict=context.n_predict,
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                                          server_seed=context.server_seed,
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                                          expect_api_error=expect_api_error,
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                                          user_api_key=context.user_api_key)
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    context.tasks_result.append(completion)
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    if context.debug:
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        print(f"Completion response: {completion}")
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    if expect_api_error:
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        assert completion == 401, f"completion must be an 401 status code: {completion}"
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@step(u'{predicted_n} tokens are predicted matching {re_content}')
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def step_n_tokens_predicted_with_content(context, predicted_n, re_content):
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    assert_n_tokens_predicted(context.tasks_result.pop(), int(predicted_n), re_content)
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@step(u'{predicted_n} tokens are predicted')
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def step_n_tokens_predicted(context, predicted_n):
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    assert_n_tokens_predicted(context.tasks_result.pop(), int(predicted_n))
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@step(u'a user prompt {user_prompt}')
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def step_user_prompt(context, user_prompt):
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    context.prompts.append(user_prompt)
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@step(u'a system prompt {system_prompt}')
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def step_system_prompt(context, system_prompt):
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    context.system_prompt = system_prompt
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@step(u'a model {model}')
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def step_model(context, model):
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    context.model = model
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@step(u'{max_tokens} max tokens to predict')
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def step_max_tokens(context, max_tokens):
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    context.n_predict = int(max_tokens)
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@step(u'streaming is {enable_streaming}')
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def step_streaming(context, enable_streaming):
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    context.enable_streaming = enable_streaming == 'enabled'
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@step(u'a user api key {user_api_key}')
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def step_user_api_key(context, user_api_key):
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    context.user_api_key = user_api_key
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@step(u'no user api key')
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def step_no_user_api_key(context):
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    context.user_api_key = None
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@step(u'a user api key ')
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def step_no_user_api_key_space(context):
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    context.user_api_key = None
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@step(u'a server api key {server_api_key}')
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def step_server_api_key(context, server_api_key):
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    context.server_api_key = server_api_key
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@step(u'an OAI compatible chat completions request with {api_error} api error')
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@async_run_until_complete
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async def step_oai_chat_completions(context, api_error):
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    if context.debug:
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        print(f"Submitting OAI compatible completions request...")
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    expect_api_error = api_error == 'raised'
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    completion = await oai_chat_completions(context.prompts.pop(),
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                                            context.system_prompt,
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                                            context.base_url,
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                                            False,
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                                            model=context.model if hasattr(context, 'model') else None,
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                                            n_predict=context.n_predict
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                                            if hasattr(context, 'n_predict') else None,
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                                            enable_streaming=context.enable_streaming
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                                            if hasattr(context, 'enable_streaming') else None,
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                                            server_seed=context.server_seed
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                                            if hasattr(context, 'server_seed') else None,
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                                            user_api_key=context.user_api_key
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                                            if hasattr(context, 'user_api_key') else None,
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                                            expect_api_error=expect_api_error)
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    context.tasks_result.append(completion)
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    if context.debug:
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        print(f"Completion response: {completion}")
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    if expect_api_error:
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        assert completion == 401, f"completion must be an 401 status code: {completion}"
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    if context.debug:
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        print(f"Completion response: {completion}")
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@step(u'a prompt')
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def step_a_prompt(context):
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    context.prompts.append(context.text)
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@step(u'a prompt {prompt}')
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def step_a_prompt_prompt(context, prompt):
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    context.prompts.append(prompt)
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@step(u'concurrent completion requests')
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@async_run_until_complete()
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async def step_concurrent_completion_requests(context):
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    await concurrent_requests(context,
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                              request_completion,
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                              # prompt is inserted automatically
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                              context.base_url,
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                              debug=context.debug,
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                              n_predict=context.n_predict if hasattr(context, 'n_predict') else None,
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                              server_seed=context.server_seed if hasattr(context, 'server_seed') else None,
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                              user_api_key=context.user_api_key if hasattr(context,
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                                                                           'user_api_key') else None)
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@step(u'concurrent OAI completions requests')
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@async_run_until_complete
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async def step_oai_chat_completions(context):
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    await concurrent_requests(context, oai_chat_completions,
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                              # user_prompt is inserted automatically
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                              context.system_prompt,
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                              context.base_url,
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                              True,  # async_client
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                              model=context.model
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                              if hasattr(context, 'model') else None,
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                              n_predict=context.n_predict
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                              if hasattr(context, 'n_predict') else None,
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                              enable_streaming=context.enable_streaming
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                              if hasattr(context, 'enable_streaming') else None,
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                              server_seed=context.server_seed
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                              if hasattr(context, 'server_seed') else None,
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                              user_api_key=context.user_api_key
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                              if hasattr(context, 'user_api_key') else None)
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@step(u'all prompts are predicted')
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@async_run_until_complete
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async def step_all_prompts_are_predicted(context):
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    await all_prompts_are_predicted(context)
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@step(u'all prompts are predicted with {n_predict} tokens')
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@async_run_until_complete
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async def step_all_prompts_are_predicted_with_n_tokens(context, n_predict):
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    expected_predicted_n = int(n_predict)
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    await all_prompts_are_predicted(context, expected_predicted_n)
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async def all_prompts_are_predicted(context, expected_predicted_n=None):
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    n_completions = await gather_tasks_results(context)
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    assert n_completions > 0
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    for i in range(n_completions):
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        assert_n_tokens_predicted(context.tasks_result.pop(), expected_predicted_n=expected_predicted_n)
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    assert len(context.concurrent_tasks) == 0, f"{len(context.concurrent_tasks)} pending requests"
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@step(u'embeddings are computed for')
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@async_run_until_complete
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async def step_compute_embedding(context):
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    context.embeddings = await request_embedding(context.text, base_url=context.base_url)
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@step(u'embeddings are generated')
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def step_assert_embeddings(context):
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    if len(context.prompts) == 0:
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        assert_embeddings(context.embeddings)
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    else:
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        assert len(context.embeddings) == len(context.prompts), (f"unexpected response:\n"
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                                                                 f"context.prompts={context.prompts}\n"
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                                                                 f"context.embeddings={context.embeddings}")
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        for embedding in context.embeddings:
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            context.prompts.pop()
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            assert_embeddings(embedding)
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@step(u'an OAI compatible embeddings computation request for')
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@async_run_until_complete
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async def step_oai_compute_embeddings(context):
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    context.embeddings = await request_oai_embeddings(context.text,
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                                                      base_url=context.base_url,
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                                                      user_api_key=context.user_api_key,
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                                                      model=context.model)
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@step(u'an OAI compatible embeddings computation request for multiple inputs')
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@async_run_until_complete
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async def step_oai_compute_embeddings_multiple_inputs(context):
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    context.embeddings = await request_oai_embeddings(context.prompts,
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                                                      base_url=context.base_url,
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                                                      user_api_key=context.user_api_key,
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                                                      model=context.model)
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@step(u'concurrent embedding requests')
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@async_run_until_complete()
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async def step_concurrent_embedding_requests(context):
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    await concurrent_requests(context,
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                              request_embedding,
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                              # prompt is inserted automatically
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                              base_url=context.base_url)
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@step(u'concurrent OAI embedding requests')
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@async_run_until_complete()
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async def step_concurrent_oai_embedding_requests(context):
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    await concurrent_requests(context,
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                              request_oai_embeddings,
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                              # prompt is inserted automatically
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                              base_url=context.base_url,
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                              async_client=True,
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                              model=context.model)
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@step(u'all embeddings are generated')
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@async_run_until_complete()
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async def all_embeddings_are_generated(context):
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    n_embedding_requests = await gather_tasks_results(context)
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    assert n_embedding_requests > 0
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    for i in range(n_embedding_requests):
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        assert_embeddings(context.tasks_result.pop())
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@step(u'tokenizing')
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@async_run_until_complete
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async def step_tokenize(context):
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    context.tokenized_text = context.text
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    async with aiohttp.ClientSession() as session:
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        async with session.post(f'{context.base_url}/tokenize',
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                                json={
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                                    "content": context.tokenized_text,
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                                }) as response:
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            assert response.status == 200
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            tokenize_json = await response.json()
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            context.tokens = tokenize_json['tokens']
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@step(u'tokens can be detokenize')
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@async_run_until_complete
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async def step_detokenize(context):
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    assert len(context.tokens) > 0
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    async with aiohttp.ClientSession() as session:
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        async with session.post(f'{context.base_url}/detokenize',
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                                json={
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                                    "tokens": context.tokens,
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                                }) as response:
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            assert response.status == 200
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            detokenize_json = await response.json()
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            # SPM tokenizer adds a whitespace prefix: https://github.com/google/sentencepiece/issues/15
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            assert context.tokenized_text == detokenize_json['content'].strip()
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@step(u'an OPTIONS request is sent from {origin}')
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@async_run_until_complete
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async def step_options_request(context, origin):
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    async with aiohttp.ClientSession() as session:
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        async with session.options(f'{context.base_url}/v1/chat/completions',
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                                   headers={"Origin": origin}) as response:
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            assert response.status == 200
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            context.options_response = response
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 | 
						|
@step(u'CORS header {cors_header} is set to {cors_header_value}')
 | 
						|
def step_check_options_header_value(context, cors_header, cors_header_value):
 | 
						|
    assert context.options_response.headers[cors_header] == cors_header_value
 | 
						|
 | 
						|
 | 
						|
async def concurrent_requests(context, f_completion, *args, **kwargs):
 | 
						|
    n_prompts = len(context.prompts)
 | 
						|
    if context.debug:
 | 
						|
        print(f"starting {n_prompts} concurrent completion requests...")
 | 
						|
    assert n_prompts > 0
 | 
						|
    for prompt_no in range(n_prompts):
 | 
						|
        shifted_args = [context.prompts.pop(), *args]
 | 
						|
        context.concurrent_tasks.append(asyncio.create_task(f_completion(*shifted_args, **kwargs)))
 | 
						|
    await asyncio.sleep(0.1)
 | 
						|
 | 
						|
 | 
						|
async def request_completion(prompt,
 | 
						|
                             base_url,
 | 
						|
                             debug=False,
 | 
						|
                             n_predict=None,
 | 
						|
                             server_seed=None,
 | 
						|
                             expect_api_error=None,
 | 
						|
                             user_api_key=None):
 | 
						|
    if debug:
 | 
						|
        print(f"Sending completion request: {prompt}")
 | 
						|
    origin = "my.super.domain"
 | 
						|
    headers = {
 | 
						|
        'Origin': origin
 | 
						|
    }
 | 
						|
    if user_api_key is not None:
 | 
						|
        if debug:
 | 
						|
            print(f"Set user_api_key: {user_api_key}")
 | 
						|
        headers['Authorization'] = f'Bearer {user_api_key}'
 | 
						|
 | 
						|
    async with aiohttp.ClientSession() as session:
 | 
						|
        async with session.post(f'{base_url}/completion',
 | 
						|
                                json={
 | 
						|
                                    "prompt": prompt,
 | 
						|
                                    "n_predict": int(n_predict) if n_predict is not None else -1,
 | 
						|
                                    "seed": server_seed if server_seed is not None else 42
 | 
						|
                                },
 | 
						|
                                headers=headers) as response:
 | 
						|
            if expect_api_error is None or not expect_api_error:
 | 
						|
                assert response.status == 200
 | 
						|
                assert response.headers['Access-Control-Allow-Origin'] == origin
 | 
						|
                return await response.json()
 | 
						|
            else:
 | 
						|
                return response.status
 | 
						|
 | 
						|
 | 
						|
async def oai_chat_completions(user_prompt,
 | 
						|
                               system_prompt,
 | 
						|
                               base_url,
 | 
						|
                               async_client,
 | 
						|
                               debug=False,
 | 
						|
                               model=None,
 | 
						|
                               n_predict=None,
 | 
						|
                               enable_streaming=None,
 | 
						|
                               server_seed=None,
 | 
						|
                               user_api_key=None,
 | 
						|
                               expect_api_error=None):
 | 
						|
    if debug:
 | 
						|
        print(f"Sending OAI Chat completions request: {user_prompt}")
 | 
						|
    # openai client always expects an api key
 | 
						|
    user_api_key = user_api_key if user_api_key is not None else 'nope'
 | 
						|
    seed = server_seed if server_seed is not None else 42
 | 
						|
    enable_streaming = enable_streaming if enable_streaming is not None else False
 | 
						|
    payload = {
 | 
						|
        "messages": [
 | 
						|
            {
 | 
						|
                "role": "system",
 | 
						|
                "content": system_prompt,
 | 
						|
            },
 | 
						|
            {
 | 
						|
                "role": "user",
 | 
						|
                "content": user_prompt,
 | 
						|
            }
 | 
						|
        ],
 | 
						|
        "model": model,
 | 
						|
        "max_tokens": n_predict,
 | 
						|
        "stream": enable_streaming,
 | 
						|
        "seed": seed
 | 
						|
    }
 | 
						|
    completion_response = {
 | 
						|
        'content': '',
 | 
						|
        'timings': {
 | 
						|
            'predicted_n': 0
 | 
						|
        }
 | 
						|
    }
 | 
						|
    if async_client:
 | 
						|
        origin = 'llama.cpp'
 | 
						|
        headers = {'Authorization': f'Bearer {user_api_key}', 'Origin': origin}
 | 
						|
        async with aiohttp.ClientSession() as session:
 | 
						|
            async with session.post(f'{base_url}/v1/chat/completions',
 | 
						|
                                    json=payload,
 | 
						|
                                    headers=headers) as response:
 | 
						|
                if enable_streaming:
 | 
						|
                    assert response.status == 200
 | 
						|
                    assert response.headers['Access-Control-Allow-Origin'] == origin
 | 
						|
                    assert response.headers['Content-Type'] == "text/event-stream"
 | 
						|
                    event_received = True
 | 
						|
                    while event_received:
 | 
						|
                        event_received = False
 | 
						|
                        async for line_in_bytes in response.content:
 | 
						|
                            line = line_in_bytes.decode('utf8')
 | 
						|
                            line = line.rstrip('\n').rstrip('\r')
 | 
						|
                            if line == '':
 | 
						|
                                continue
 | 
						|
                            event_data = line.split(': ', 1)
 | 
						|
                            assert event_data[0] == 'data', f'Bad event code received: ```{event_data}```'
 | 
						|
                            chunk_raw = event_data[1]
 | 
						|
 | 
						|
                            chunk = json.loads(chunk_raw)
 | 
						|
                            assert len(chunk['choices']) == 1, f"no choices provided, line ```{line}```"
 | 
						|
                            delta = chunk['choices'][0]['delta']
 | 
						|
                            if 'content' in delta:
 | 
						|
                                completion_response['content'] += delta['content']
 | 
						|
                                completion_response['timings']['predicted_n'] += 1
 | 
						|
                else:
 | 
						|
                    if expect_api_error is None or not expect_api_error:
 | 
						|
                        assert response.status == 200
 | 
						|
                        assert response.headers['Access-Control-Allow-Origin'] == origin
 | 
						|
                        assert response.headers['Content-Type'] == "application/json; charset=utf-8"
 | 
						|
                        chat_completion_raw = await response.json()
 | 
						|
                        completion_response = {
 | 
						|
                            'content': chat_completion_raw['choices'][0]['message'],
 | 
						|
                            'timings': {
 | 
						|
                                'predicted_n': chat_completion_raw['usage']['completion_tokens']
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    else:
 | 
						|
                        return response.status
 | 
						|
    else:
 | 
						|
        try:
 | 
						|
            openai.api_key = user_api_key
 | 
						|
            openai.api_base = f'{base_url}/v1/chat'
 | 
						|
            chat_completion = openai.Completion.create(
 | 
						|
                messages=payload['messages'],
 | 
						|
                model=model,
 | 
						|
                max_tokens=n_predict,
 | 
						|
                stream=enable_streaming,
 | 
						|
                seed=seed
 | 
						|
            )
 | 
						|
        except openai.error.APIError as e:
 | 
						|
            if expect_api_error is not None and expect_api_error:
 | 
						|
                return 401
 | 
						|
            else:
 | 
						|
                assert False, f'error raised: {e}'
 | 
						|
 | 
						|
        if enable_streaming:
 | 
						|
            for chunk in chat_completion:
 | 
						|
                assert len(chunk.choices) == 1
 | 
						|
                delta = chunk.choices[0].delta
 | 
						|
                if 'content' in delta:
 | 
						|
                    completion_response['content'] += delta['content']
 | 
						|
                    completion_response['timings']['predicted_n'] += 1
 | 
						|
        else:
 | 
						|
            assert len(chat_completion.choices) == 1
 | 
						|
            completion_response = {
 | 
						|
                'content': chat_completion.choices[0].message.content,
 | 
						|
                'timings': {
 | 
						|
                    'predicted_n': chat_completion.usage.completion_tokens
 | 
						|
                }
 | 
						|
            }
 | 
						|
    if debug:
 | 
						|
        print("OAI response formatted to llama.cpp:", completion_response)
 | 
						|
    return completion_response
 | 
						|
 | 
						|
 | 
						|
async def request_embedding(content, base_url=None):
 | 
						|
    async with aiohttp.ClientSession() as session:
 | 
						|
        async with session.post(f'{base_url}/embedding',
 | 
						|
                                json={
 | 
						|
                                    "content": content,
 | 
						|
                                }) as response:
 | 
						|
            assert response.status == 200
 | 
						|
            response_json = await response.json()
 | 
						|
            return response_json['embedding']
 | 
						|
 | 
						|
 | 
						|
async def request_oai_embeddings(input,
 | 
						|
                                 base_url=None, user_api_key=None,
 | 
						|
                                 model=None, async_client=False):
 | 
						|
    # openai client always expects an api_key
 | 
						|
    user_api_key = user_api_key if user_api_key is not None else 'nope'
 | 
						|
    if async_client:
 | 
						|
        origin = 'llama.cpp'
 | 
						|
        if user_api_key is not None:
 | 
						|
            headers = {'Authorization': f'Bearer {user_api_key}', 'Origin': origin}
 | 
						|
        async with aiohttp.ClientSession() as session:
 | 
						|
            async with session.post(f'{base_url}/v1/embeddings',
 | 
						|
                                    json={
 | 
						|
                                        "input": input,
 | 
						|
                                        "model": model,
 | 
						|
                                    },
 | 
						|
                                    headers=headers) as response:
 | 
						|
                assert response.status == 200, f"received status code not expected: {response.status}"
 | 
						|
                assert response.headers['Access-Control-Allow-Origin'] == origin
 | 
						|
                assert response.headers['Content-Type'] == "application/json; charset=utf-8"
 | 
						|
                response_json = await response.json()
 | 
						|
                assert response_json['model'] == model, f"invalid model received: {response_json['model']}"
 | 
						|
                assert response_json['object'] == 'list'
 | 
						|
                return response_json['data']
 | 
						|
    else:
 | 
						|
        openai.api_key = user_api_key
 | 
						|
        openai.api_base = f'{base_url}/v1'
 | 
						|
        oai_embeddings = openai.Embedding.create(
 | 
						|
            model=model,
 | 
						|
            input=input,
 | 
						|
        )
 | 
						|
 | 
						|
        if isinstance(input, collections.abc.Sequence):
 | 
						|
            embeddings = []
 | 
						|
            for an_oai_embeddings in oai_embeddings.data:
 | 
						|
                embeddings.append(an_oai_embeddings.embedding)
 | 
						|
        else:
 | 
						|
            embeddings = oai_embeddings.data.embedding
 | 
						|
        return embeddings
 | 
						|
 | 
						|
 | 
						|
def assert_n_tokens_predicted(completion_response, expected_predicted_n=None, re_content=None):
 | 
						|
    content = completion_response['content']
 | 
						|
    n_predicted = completion_response['timings']['predicted_n']
 | 
						|
    assert len(content) > 0, "no token predicted"
 | 
						|
    if expected_predicted_n is not None:
 | 
						|
        assert n_predicted == expected_predicted_n, (f'invalid number of tokens predicted:'
 | 
						|
                                                     f' {n_predicted} <> {expected_predicted_n}')
 | 
						|
    if re_content is not None:
 | 
						|
        re_content = '^.*' + re_content.replace('<or>', '|') + '.*$'
 | 
						|
        assert re.match(re_content, content, flags=RegexFlag.IGNORECASE | RegexFlag.MULTILINE | RegexFlag.DOTALL), (
 | 
						|
            f'invalid tokens predicted:'
 | 
						|
            f' ```\n{content}\n``` do not match /{re_content}/')
 | 
						|
 | 
						|
 | 
						|
async def gather_tasks_results(context):
 | 
						|
    n_tasks = len(context.concurrent_tasks)
 | 
						|
    if context.debug:
 | 
						|
        print(f"Waiting for all {n_tasks} tasks results...")
 | 
						|
    for task_no in range(n_tasks):
 | 
						|
        context.tasks_result.append(await context.concurrent_tasks.pop())
 | 
						|
    n_completions = len(context.tasks_result)
 | 
						|
    return n_completions
 | 
						|
 | 
						|
 | 
						|
async def wait_for_health_status(context,
 | 
						|
                                 base_url,
 | 
						|
                                 expected_http_status_code,
 | 
						|
                                 expected_health_status,
 | 
						|
                                 params=None,
 | 
						|
                                 slots_idle=None,
 | 
						|
                                 slots_processing=None,
 | 
						|
                                 expected_slots=None):
 | 
						|
    if context.debug:
 | 
						|
        print(f"Starting checking for health for expected_health_status={expected_health_status}")
 | 
						|
    timeout = 3  # seconds
 | 
						|
    interval = 0.5
 | 
						|
    counter = 0
 | 
						|
    async with aiohttp.ClientSession() as session:
 | 
						|
        while True:
 | 
						|
            async with await session.get(f'{base_url}/health', params=params) as health_response:
 | 
						|
                status_code = health_response.status
 | 
						|
                health = await health_response.json()
 | 
						|
                if context.debug:
 | 
						|
                    print(f"HEALTH - response for expected health status='{expected_health_status}' on "
 | 
						|
                          f"'{base_url}/health'?{params} is {health}")
 | 
						|
                if (status_code == expected_http_status_code
 | 
						|
                        and health['status'] == expected_health_status
 | 
						|
                        and (slots_idle is None or health['slots_idle'] == slots_idle)
 | 
						|
                        and (slots_processing is None or health['slots_processing'] == slots_processing)):
 | 
						|
                    if expected_slots is not None:
 | 
						|
                        assert_slots_status(health['slots'], expected_slots)
 | 
						|
                    return
 | 
						|
                if (status_code == expected_http_status_code
 | 
						|
                        and health['status'] == expected_health_status
 | 
						|
                        and (slots_idle is None or health['slots_idle'] == slots_idle)
 | 
						|
                        and (slots_processing is None or health['slots_processing'] == slots_processing)):
 | 
						|
                    if expected_slots is not None:
 | 
						|
                        assert_slots_status(health['slots'], expected_slots)
 | 
						|
                    return
 | 
						|
            await asyncio.sleep(interval)
 | 
						|
 | 
						|
            counter += interval
 | 
						|
            if counter >= timeout:
 | 
						|
                # Sometimes health requests are triggered after completions are predicted
 | 
						|
                if expected_http_status_code == 503:
 | 
						|
                    if len(context.tasks_result) == 0:
 | 
						|
                        print("\x1b[5;37;43mWARNING: forcing concurrent tasks,"
 | 
						|
                              " busy health check missed, probably too fast inference\x1b[0m")
 | 
						|
                        n_completions = await gather_tasks_results(context)
 | 
						|
                        if n_completions > 0:
 | 
						|
                            return
 | 
						|
 | 
						|
                assert False, 'timeout exceeded'
 | 
						|
 | 
						|
 | 
						|
def assert_embeddings(embeddings):
 | 
						|
    assert len(embeddings) > 0
 | 
						|
    embeddings_computed = False
 | 
						|
    for emb in embeddings:
 | 
						|
        if emb != 0:
 | 
						|
            embeddings_computed = True
 | 
						|
    assert embeddings_computed, f"Embeddings: {embeddings}"
 | 
						|
 | 
						|
 | 
						|
async def request_slots_status(context, expected_slots):
 | 
						|
    async with aiohttp.ClientSession() as session:
 | 
						|
        async with await session.get(f'{context.base_url}/slots') as slots_response:
 | 
						|
            assert slots_response.status == 200
 | 
						|
            slots = await slots_response.json()
 | 
						|
            assert_slots_status(slots, expected_slots)
 | 
						|
 | 
						|
 | 
						|
def assert_slots_status(slots, expected_slots):
 | 
						|
    assert len(slots) == len(expected_slots)
 | 
						|
    for slot_id, (expected, slot) in enumerate(zip(expected_slots, slots)):
 | 
						|
        for key in expected:
 | 
						|
            assert expected[key] == slot[key], (f"invalid slot {slot_id}"
 | 
						|
                                                f" expected[{key}] != slot[{key}]"
 | 
						|
                                                f" = {expected[key]} != {slot[key]}")
 | 
						|
 | 
						|
 | 
						|
def start_server_background(context):
 | 
						|
    context.server_path = '../../../build/bin/server'
 | 
						|
    if 'LLAMA_SERVER_BIN_PATH' in os.environ:
 | 
						|
        context.server_path = os.environ['LLAMA_SERVER_BIN_PATH']
 | 
						|
    server_args = [
 | 
						|
        '--host', context.server_fqdn,
 | 
						|
        '--port', context.server_port,
 | 
						|
        '--model', context.model_file
 | 
						|
    ]
 | 
						|
    if context.server_continuous_batching:
 | 
						|
        server_args.append('--cont-batching')
 | 
						|
    if context.server_embeddings:
 | 
						|
        server_args.append('--embedding')
 | 
						|
    if context.model_alias is not None:
 | 
						|
        server_args.extend(['--alias', context.model_alias])
 | 
						|
    if context.n_ctx is not None:
 | 
						|
        server_args.extend(['--ctx-size', context.n_ctx])
 | 
						|
    if context.n_slots is not None:
 | 
						|
        server_args.extend(['--parallel', context.n_slots])
 | 
						|
    if context.n_server_predict is not None:
 | 
						|
        server_args.extend(['--n-predict', context.n_server_predict])
 | 
						|
    if context.server_api_key is not None:
 | 
						|
        server_args.extend(['--api-key', context.server_api_key])
 | 
						|
    if context.debug:
 | 
						|
        server_args.append('--verbose')
 | 
						|
    print(f"starting server with: {context.server_path}", *server_args)
 | 
						|
    context.server_process = subprocess.Popen(
 | 
						|
        [str(arg) for arg in [context.server_path, *server_args]],
 | 
						|
        close_fds=True)
 | 
						|
    print(f"server pid={context.server_process.pid}")
 |