317 lines
15 KiB
Python
317 lines
15 KiB
Python
import os, json, re, time, requests, sys, threading
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try: import mykey
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except: raise Exception('[ERROR] mykey.py not found, please copy mykey_template.py to mykey.py and fill your LLM backend.')
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def get_config(name, default=""): return getattr(mykey, name, default)
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sider_cookie = get_config("sider_cookie")
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oai_apikey = get_config("oai_apikey")
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oai_apibase = get_config("oai_apibase")
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oai_model = get_config("oai_model")
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google_api_key = get_config("google_api_key")
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proxy = get_config("proxy", 'http://127.0.0.1:2082')
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proxies = {"http": proxy, "https": proxy} if proxy else None
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class SiderLLMSession:
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def __init__(self, default_model="gemini-3.0-flash"):
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from sider_ai_api import Session
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self._core = Session(cookie=sider_cookie, proxies=proxies)
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self.default_model = default_model
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def ask(self, prompt, model=None, stream=False):
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if model is None: model = self.default_model
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if len(prompt) > 28000:
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print(f"[Warn] Prompt too long ({len(prompt)} chars), truncating.")
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prompt = prompt[-28000:]
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full_text = self._core.chat(prompt, model, stream=False)
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if stream: return iter([full_text]) # gen有奇怪的空回复或死循环行为，sider足够快
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return full_text
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class GeminiSession:
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def __init__(self, api_key=None, default_model="gemini-2.0-flash-001", proxy=proxy):
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self.api_key = api_key or google_api_key
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if not self.api_key: raise ValueError("google_api_key 未配置或为空，请在 mykey.py 中设置")
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self.default_model = default_model
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self.proxies = {"http":proxy, "https":proxy} if proxy else None
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def ask(self, prompt, model=None, stream=False):
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if model is None: model = self.default_model
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url = f"https://generativelanguage.googleapis.com/v1/models/{model}:generateContent?key={self.api_key}"
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headers = {"Content-Type":"application/json"}
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data = {"contents":[{"role":"user","parts":[{"text":prompt}]}]}
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try:
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kw = {"headers":headers, "json":data, "timeout":60, 'proxies': self.proxies}
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r = requests.post(url, **kw)
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except Exception as e:
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return f"[GeminiError] request failed: {e}"
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if r.status_code != 200:
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body = r.text[:500].replace("\n"," ")
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return f"[GeminiError] HTTP {r.status_code}: {body}"
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try:
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obj = r.json(); cands = obj.get("candidates") or []
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if not cands: return "[GeminiError] empty candidates"
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parts = (cands[0].get("content") or {}).get("parts") or []
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full_text = "".join(p.get("text","") for p in parts)
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except Exception as e:
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return f"[GeminiError] invalid response format: {e}"
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return iter([full_text]) if stream else full_text
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class LLMSession:
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def __init__(self, api_key=oai_apikey, api_base=oai_apibase, model=oai_model, context_win=12000):
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self.api_key = api_key
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self.api_base = api_base
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self.raw_msgs = []
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self.messages = []
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self.context_win = context_win
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self.default_model = model
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self.lock = threading.Lock()
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def raw_ask(self, messages, model=None, temperature=0.5):
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if model is None: model = self.default_model
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headers = {"Authorization": f"Bearer {self.api_key}", "Content-Type": "application/json", "Accept": "text/event-stream"}
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payload = {"model": model, "messages": messages, "temperature": temperature, "stream": True}
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try:
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with requests.post(f"{self.api_base}/chat/completions",
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headers=headers, json=payload, stream=True, timeout=(5, 60)) as r:
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r.raise_for_status()
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buffer = ''
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for line in r.iter_lines():
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line = line.decode("utf-8")
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if not line or not line.startswith("data:"): continue
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data = line[5:].lstrip()
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if data == "[DONE]": break
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obj = json.loads(data)
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ch = (obj.get("choices") or [{}])[0]
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finish_reason = ch.get("finish_reason")
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delta = (ch.get("delta") or {}).get("content")
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if delta:
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yield delta
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buffer += delta
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if '</tool_use>' in buffer[-30:]: break
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if finish_reason: break
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except Exception as e:
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yield f"Error: {str(e)}"
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def make_messages(self, raw_list, omit_images=True):
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messages = []
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for msg in raw_list:
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if omit_images and msg['image']:
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messages.append({"role": msg['role'], "content": "[Image omitted, if you needed it, ask me]\n" + msg['prompt']})
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elif not omit_images and msg['image']:
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messages.append({"role": msg['role'], "content": [
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{"type": "image_url", "image_url": {"url": f"data:image/png;base64,{msg['image']}"}},
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{"type": "text", "text": msg['prompt']} ]})
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else:
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messages.append({"role": msg['role'], "content": msg['prompt']})
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return messages
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def summary_history(self, model=None):
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if model is None: model = self.default_model
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with self.lock:
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keep = 0; tok = 0
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for m in reversed(self.raw_msgs):
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l = len(str(m))//4
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if tok + l > self.context_win*0.2: break
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tok += l; keep += 1
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keep = max(2, keep)
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old, self.raw_msgs = self.raw_msgs[:-keep], self.raw_msgs[-keep:]
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if len(old) == 0: old = self.raw_msgs; self.raw_msgs = []
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p = "Summarize prev summary and prev conversations into compact memory (facts/decisions/constraints/open questions). Do NOT restate long schemas. The new summary should less than 1000 tokens. Permit dropping non-important things.\n"
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messages = self.make_messages(old, omit_images=True)
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messages += [{"role":"user", "content":p}]
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msg_lens = [1000 if isinstance(m["content"], list) else len(str(m["content"]))//4 for m in messages]
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summary = ''.join(list(self.raw_ask(messages, model, temperature=0.1)))
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print('[Debug] Summary length:', len(summary)//4, '; Orig context lengths:', str(msg_lens))
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if not summary.startswith("Error:"):
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self.raw_msgs.insert(0, {"role":"assistant", "prompt":"Prev summary:\n"+summary, "image":None})
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else: self.raw_msgs = old + self.raw_msgs # 不做了，下次再做
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def ask(self, prompt, model=None, image_base64=None, stream=False):
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if model is None: model = self.default_model
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def _ask_gen():
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content = ''
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with self.lock:
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self.raw_msgs.append({"role": "user", "prompt": prompt, "image": image_base64})
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messages = self.make_messages(self.raw_msgs[:-1], omit_images=True)
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messages += self.make_messages([self.raw_msgs[-1]], omit_images=False)
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msg_lens = [1000 if isinstance(m["content"], list) else len(str(m["content"]))//4 for m in messages]
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total_len = sum(msg_lens) # estimate token count
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gen = self.raw_ask(messages, model)
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for chunk in gen:
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content += chunk; yield chunk
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if not content.startswith("Error:"):
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self.raw_msgs.append({"role": "assistant", "prompt": content, "image": None})
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if total_len > 5000: print(f"[Debug] Whole context length {total_len} {str(msg_lens)}.")
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if total_len > self.context_win:
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yield '[NextWillSummary]'
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threading.Thread(target=self.summary_history, daemon=True).start()
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if stream: return _ask_gen()
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return ''.join(list(_ask_gen()))
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class MockFunction:
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def __init__(self, name, arguments):
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self.name = name
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self.arguments = arguments
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class MockToolCall:
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def __init__(self, name, args):
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arg_str = json.dumps(args, ensure_ascii=False) if isinstance(args, dict) else args
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self.function = MockFunction(name, arg_str)
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class MockResponse:
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def __init__(self, thinking, content, tool_calls, raw):
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self.thinking = thinking # 存放 <thinking> 内部的思维过程
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self.content = content # 存放去除标签后的纯文本回复
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self.tool_calls = tool_calls # 存放 MockToolCall 列表 或 None
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self.raw = raw
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def __repr__(self):
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return f"<MockResponse thinking={bool(self.thinking)}, content='{self.content}', tools={bool(self.tool_calls)}>"
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class ToolClient:
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def __init__(self, backends, auto_save_tokens=False):
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if isinstance(backends, list): self.backends = backends
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else: self.backends = [backends]
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self.backend = self.backends[0]
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self.auto_save_tokens = auto_save_tokens
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self.last_tools = ''
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self.total_cd_tokens = 0
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def chat(self, messages, tools=None):
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full_prompt = self._build_protocol_prompt(messages, tools)
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print("Full prompt length:", len(full_prompt), 'chars')
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with open('model_responses.txt', 'a', encoding='utf-8', errors="replace") as f:
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f.write(f"=== Prompt ===\n{full_prompt}\n")
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gen = self.backend.ask(full_prompt, stream=True)
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raw_text = ''; summarytag = '[NextWillSummary]'
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for chunk in gen:
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raw_text += chunk;
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if chunk != summarytag: yield chunk
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print('Complete response received.')
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if raw_text.endswith(summarytag):
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self.last_tools = ''; raw_text = raw_text[:-len(summarytag)]
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with open('model_responses.txt', 'a', encoding='utf-8', errors="replace") as f:
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f.write(f"=== Response ===\n{raw_text}\n\n")
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return self._parse_mixed_response(raw_text)
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def _build_protocol_prompt(self, messages, tools):
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system_content = next((m['content'] for m in messages if m['role'].lower() == 'system'), "")
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history_msgs = [m for m in messages if m['role'].lower() != 'system']
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# 构造工具描述
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tool_instruction = ""
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if tools:
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tools_json = json.dumps(tools, ensure_ascii=False, separators=(',', ':'))
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tool_instruction = f"""
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### 交互协议 (必须严格遵守)
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请按照以下步骤思考并行动，标签之间需要回车换行：
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1. **思考**: 在 `<thinking>` 标签中先进行思考，分析现状和策略。
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2. **总结**: 在 `<summary>` 中输出*极为简短*的高度概括的单行（<30字）物理快照，包括上次工具调用结果获取的新信息+本次工具调用意图和预期。此内容将进入长期工作记忆，记录关键信息，严禁输出无实际信息增量的描述。
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3. **行动**: 如果需要调用工具，请在回复正文之后输出一个 **<tool_use>块**，然后结束，我会稍后给你返回<tool_result>块。
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格式: ```<tool_use>\n{{"name": "工具名", "arguments": {{参数}}}}\n</tool_use>\n```
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### 可用工具库
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{tools_json}
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"""
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if self.auto_save_tokens and self.last_tools == tools_json:
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tool_instruction = "\n### 交互协议保持不变，沿用之前的协议和工具库。\n"
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else:
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self.total_cd_tokens = 0
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self.last_tools = tools_json
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prompt = ""
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if system_content: prompt += f"=== SYSTEM ===\n{system_content}\n"
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prompt += f"{tool_instruction}\n\n"
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for m in history_msgs:
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role = "USER" if m['role'] == 'user' else "ASSISTANT"
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prompt += f"=== {role} ===\n{m['content']}\n\n"
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self.total_cd_tokens += len(m['content'])
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if self.total_cd_tokens > 6000: self.last_tools = ''
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prompt += "=== ASSISTANT ===\n"
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return prompt
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def _parse_mixed_response(self, text):
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remaining_text = text
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thinking = ''
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think_pattern = r"<thinking>(.*?)</thinking>"
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think_match = re.search(think_pattern, text, re.DOTALL)
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if think_match:
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thinking = think_match.group(1).strip()
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remaining_text = re.sub(think_pattern, "", remaining_text, flags=re.DOTALL)
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tool_calls = None
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tool_pattern = r"<tool_use>(.*?)</tool_use>"
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tool_match = re.search(tool_pattern, remaining_text, re.DOTALL)
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json_str = ""
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if tool_match:
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json_str = tool_match.group(1).strip()
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remaining_text = re.sub(tool_pattern, "", remaining_text, flags=re.DOTALL)
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elif '<tool_use>' in remaining_text:
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weaktoolstr = remaining_text.split('<tool_use>')[-1].strip()
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json_str = weaktoolstr if weaktoolstr.endswith('}') else ''
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if json_str == '' and '```' in weaktoolstr and weaktoolstr.split('```')[0].strip().endswith('}'):
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json_str = weaktoolstr.split('```')[0].strip()
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remaining_text = remaining_text.replace('<tool_use>'+weaktoolstr, "")
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if json_str:
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try:
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data = tryparse(json_str)
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func_name = data.get('name') or data.get('function') or data.get('tool')
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args = data.get('arguments') or data.get('args') or data.get('params') or data.get('parameters')
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if args is None: args = data
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if func_name: tool_calls = [MockToolCall(func_name, args)]
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except json.JSONDecodeError:
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print("[Warn] Failed to parse tool_use JSON:", json_str)
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remaining_text += f"[Warning] JSON 解析失败，模型输出了无效的 JSON."
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except Exception as e:
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print("[Error] Exception during tool_use parsing:", str(e), data)
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content = remaining_text.strip()
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if not content: content = ""
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return MockResponse(thinking, content, tool_calls, text)
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def tryparse(json_str):
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try: return json.loads(json_str)
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except:
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return json.loads(json_str[:-1])
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if __name__ == "__main__":
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import sys, os
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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try:
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import mykey
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except ImportError:
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class MockMyKey: pass
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mykey = MockMyKey()
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sider_cookie = get_config("sider_cookie")
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oai_apikey = get_config("oai_apikey")
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oai_apibase = get_config("oai_apibase")
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oai_model = get_config("oai_model")
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google_api_key = get_config("google_api_key")
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llmclient = ToolClient(GeminiSession(api_key=google_api_key, proxy='127.0.0.1:2082').ask)
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#llmclient = ToolClient(LLMSession(api_key=oai_apikey, api_base=oai_apibase, model=oai_model).ask)
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#llmclient = ToolClient(SiderLLMSession().ask)
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def get_final(gen):
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try:
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while True: print('mid:', next(gen))
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except StopIteration as e:
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return e.value
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response = get_final(llmclient.chat(
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messages=[{"role": "user", "content": "我的IP是多少"}],
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tools=[{"name": "get_ip", "parameters": {}}]
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))
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print(f"思考: {response.thinking}")
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if response.tool_calls:
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cmd = response.tool_calls[0]
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print(f"调用: {cmd.function.name} 参数: {cmd.function.arguments}")
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response = get_final(llmclient.chat(
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messages=[{"role": "user", "content": "<tool_result>10.176.45.12</tool_result>"}]
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))
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print(response.content) |