Fix llama_cpp and Llama type signatures. Closes #221
This commit is contained in:
parent
fb57b9470b
commit
01a010be52
3 changed files with 58 additions and 64 deletions
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@ -15,9 +15,7 @@ class LlamaCache:
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"""Cache for a llama.cpp model."""
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def __init__(self, capacity_bytes: int = (2 << 30)):
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self.cache_state: OrderedDict[
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Tuple[llama_cpp.llama_token, ...], "LlamaState"
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] = OrderedDict()
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self.cache_state: OrderedDict[Tuple[int, ...], "LlamaState"] = OrderedDict()
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self.capacity_bytes = capacity_bytes
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@property
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@ -26,8 +24,8 @@ class LlamaCache:
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def _find_longest_prefix_key(
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self,
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key: Tuple[llama_cpp.llama_token, ...],
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) -> Optional[Tuple[llama_cpp.llama_token, ...]]:
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key: Tuple[int, ...],
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) -> Optional[Tuple[int, ...]]:
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min_len = 0
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min_key = None
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keys = (
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@ -39,7 +37,7 @@ class LlamaCache:
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min_key = k
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return min_key
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def __getitem__(self, key: Sequence[llama_cpp.llama_token]) -> "LlamaState":
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def __getitem__(self, key: Sequence[int]) -> "LlamaState":
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key = tuple(key)
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_key = self._find_longest_prefix_key(key)
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if _key is None:
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@ -48,10 +46,10 @@ class LlamaCache:
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self.cache_state.move_to_end(_key)
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return value
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def __contains__(self, key: Sequence[llama_cpp.llama_token]) -> bool:
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def __contains__(self, key: Sequence[int]) -> bool:
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return self._find_longest_prefix_key(tuple(key)) is not None
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def __setitem__(self, key: Sequence[llama_cpp.llama_token], value: "LlamaState"):
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def __setitem__(self, key: Sequence[int], value: "LlamaState"):
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key = tuple(key)
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if key in self.cache_state:
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del self.cache_state[key]
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@ -63,7 +61,7 @@ class LlamaCache:
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class LlamaState:
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def __init__(
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self,
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eval_tokens: Deque[llama_cpp.llama_token],
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eval_tokens: Deque[int],
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eval_logits: Deque[List[float]],
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llama_state, # type: llama_cpp.Array[llama_cpp.c_uint8]
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llama_state_size: int,
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@ -141,7 +139,7 @@ class Llama:
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self.last_n_tokens_size = last_n_tokens_size
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self.n_batch = min(n_ctx, n_batch)
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self.eval_tokens: Deque[llama_cpp.llama_token] = deque(maxlen=n_ctx)
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self.eval_tokens: Deque[int] = deque(maxlen=n_ctx)
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self.eval_logits: Deque[List[float]] = deque(maxlen=n_ctx if logits_all else 1)
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self.cache: Optional[LlamaCache] = None
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@ -176,9 +174,7 @@ class Llama:
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if self.verbose:
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print(llama_cpp.llama_print_system_info().decode("utf-8"), file=sys.stderr)
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def tokenize(
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self, text: bytes, add_bos: bool = True
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) -> List[llama_cpp.llama_token]:
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def tokenize(self, text: bytes, add_bos: bool = True) -> List[int]:
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"""Tokenize a string.
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Args:
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@ -197,7 +193,7 @@ class Llama:
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self.ctx,
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text,
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tokens,
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n_ctx,
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llama_cpp.c_int(n_ctx),
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llama_cpp.c_bool(add_bos),
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)
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if int(n_tokens) < 0:
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@ -216,7 +212,7 @@ class Llama:
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)
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return list(tokens[:n_tokens])
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def detokenize(self, tokens: List[llama_cpp.llama_token]) -> bytes:
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def detokenize(self, tokens: List[int]) -> bytes:
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"""Detokenize a list of tokens.
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Args:
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@ -228,7 +224,9 @@ class Llama:
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assert self.ctx is not None
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output = b""
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for token in tokens:
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output += llama_cpp.llama_token_to_str(self.ctx, token)
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output += llama_cpp.llama_token_to_str(
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self.ctx, llama_cpp.llama_token(token)
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)
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return output
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def set_cache(self, cache: Optional[LlamaCache]):
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@ -244,7 +242,7 @@ class Llama:
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self.eval_tokens.clear()
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self.eval_logits.clear()
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def eval(self, tokens: Sequence[llama_cpp.llama_token]):
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def eval(self, tokens: Sequence[int]):
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"""Evaluate a list of tokens.
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Args:
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@ -458,7 +456,7 @@ class Llama:
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def generate(
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self,
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tokens: Sequence[llama_cpp.llama_token],
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tokens: Sequence[int],
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top_k: int = 40,
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top_p: float = 0.95,
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temp: float = 0.80,
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@ -470,9 +468,7 @@ class Llama:
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mirostat_mode: int = 0,
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mirostat_tau: float = 5.0,
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mirostat_eta: float = 0.1,
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) -> Generator[
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llama_cpp.llama_token, Optional[Sequence[llama_cpp.llama_token]], None
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]:
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) -> Generator[int, Optional[Sequence[int]], None]:
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"""Create a generator of tokens from a prompt.
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Examples:
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@ -617,14 +613,14 @@ class Llama:
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assert self.ctx is not None
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completion_id: str = f"cmpl-{str(uuid.uuid4())}"
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created: int = int(time.time())
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completion_tokens: List[llama_cpp.llama_token] = []
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completion_tokens: List[int] = []
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# Add blank space to start of prompt to match OG llama tokenizer
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prompt_tokens: List[llama_cpp.llama_token] = self.tokenize(
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b" " + prompt.encode("utf-8")
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)
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prompt_tokens: List[int] = self.tokenize(b" " + prompt.encode("utf-8"))
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text: bytes = b""
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returned_tokens: int = 0
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stop = stop if isinstance(stop, list) else [stop] if isinstance(stop, str) else []
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stop = (
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stop if isinstance(stop, list) else [stop] if isinstance(stop, str) else []
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)
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model_name: str = model if model is not None else self.model_path
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if self.verbose:
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@ -724,7 +720,9 @@ class Llama:
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for token in remaining_tokens:
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token_end_position += len(self.detokenize([token]))
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# Check if stop sequence is in the token
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if token_end_position >= (remaining_length - first_stop_position - 1):
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if token_end_position >= (
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remaining_length - first_stop_position - 1
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):
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break
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logprobs_or_none: Optional[CompletionLogprobs] = None
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if logprobs is not None:
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@ -744,7 +742,7 @@ class Llama:
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)
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)
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top_logprob = {
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self.detokenize([llama_cpp.llama_token(i)]).decode(
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self.detokenize([i]).decode(
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"utf-8", errors="ignore"
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): logprob
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for logprob, i in sorted_logprobs[:logprobs]
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@ -822,9 +820,7 @@ class Llama:
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)
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)
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top_logprob = {
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self.detokenize([llama_cpp.llama_token(i)]).decode(
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"utf-8", errors="ignore"
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): logprob
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self.detokenize([i]).decode("utf-8", errors="ignore"): logprob
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for logprob, i in sorted_logprobs[:logprobs]
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}
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top_logprob.update({token_str: current_logprobs[int(token)]})
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@ -924,9 +920,7 @@ class Llama:
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)
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token_logprobs.append(sorted_logprobs[int(token)][0])
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top_logprob: Optional[Dict[str, float]] = {
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self.detokenize([llama_cpp.llama_token(i)]).decode(
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"utf-8", errors="ignore"
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): logprob
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self.detokenize([i]).decode("utf-8", errors="ignore"): logprob
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for logprob, i in sorted_logprobs[:logprobs]
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}
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top_logprob.update({token_str: logprobs_token[int(token)]})
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@ -1188,7 +1182,9 @@ class Llama:
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Returns:
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Generated chat completion or a stream of chat completion chunks.
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"""
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stop = stop if isinstance(stop, list) else [stop] if isinstance(stop, str) else []
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stop = (
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stop if isinstance(stop, list) else [stop] if isinstance(stop, str) else []
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)
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chat_history = "".join(
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f'### {"Human" if message["role"] == "user" else "Assistant"}:{message["content"]}'
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for message in messages
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@ -1296,17 +1292,17 @@ class Llama:
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raise RuntimeError("Failed to set llama state data")
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@staticmethod
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def token_eos() -> llama_cpp.llama_token:
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def token_eos() -> int:
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"""Return the end-of-sequence token."""
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return llama_cpp.llama_token_eos()
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@staticmethod
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def token_bos() -> llama_cpp.llama_token:
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def token_bos() -> int:
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"""Return the beginning-of-sequence token."""
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return llama_cpp.llama_token_bos()
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@staticmethod
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def token_nl() -> llama_cpp.llama_token:
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def token_nl() -> int:
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"""Return the newline token."""
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return llama_cpp.llama_token_nl()
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@ -1317,9 +1313,7 @@ class Llama:
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return [math.log(x / sum_exps) for x in exps]
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@staticmethod
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def longest_token_prefix(
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a: Sequence[llama_cpp.llama_token], b: Sequence[llama_cpp.llama_token]
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):
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def longest_token_prefix(a: Sequence[int], b: Sequence[int]):
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longest_prefix = 0
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for _a, _b in zip(a, b):
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if _a == _b:
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@ -49,8 +49,8 @@ def _load_shared_library(lib_base_name: str):
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if sys.platform == "win32" and sys.version_info >= (3, 8):
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os.add_dll_directory(str(_base_path))
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if "CUDA_PATH" in os.environ:
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os.add_dll_directory(os.path.join(os.environ["CUDA_PATH"],"bin"))
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os.add_dll_directory(os.path.join(os.environ["CUDA_PATH"],"lib"))
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os.add_dll_directory(os.path.join(os.environ["CUDA_PATH"], "bin"))
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os.add_dll_directory(os.path.join(os.environ["CUDA_PATH"], "lib"))
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cdll_args["winmode"] = 0
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# Try to load the shared library, handling potential errors
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@ -194,7 +194,7 @@ _lib.llama_init_from_file.restype = llama_context_p
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# Frees all allocated memory
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def llama_free(ctx: llama_context_p):
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_lib.llama_free(ctx)
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return _lib.llama_free(ctx)
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_lib.llama_free.argtypes = [llama_context_p]
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@ -206,7 +206,7 @@ _lib.llama_free.restype = None
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# nthread - how many threads to use. If <=0, will use std::thread::hardware_concurrency(), else the number given
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def llama_model_quantize(
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fname_inp: bytes, fname_out: bytes, ftype: c_int, nthread: c_int
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) -> c_int:
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) -> int:
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return _lib.llama_model_quantize(fname_inp, fname_out, ftype, nthread)
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@ -225,7 +225,7 @@ def llama_apply_lora_from_file(
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path_lora: c_char_p,
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path_base_model: c_char_p,
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n_threads: c_int,
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) -> c_int:
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) -> int:
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return _lib.llama_apply_lora_from_file(ctx, path_lora, path_base_model, n_threads)
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@ -234,7 +234,7 @@ _lib.llama_apply_lora_from_file.restype = c_int
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# Returns the number of tokens in the KV cache
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def llama_get_kv_cache_token_count(ctx: llama_context_p) -> c_int:
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def llama_get_kv_cache_token_count(ctx: llama_context_p) -> int:
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return _lib.llama_get_kv_cache_token_count(ctx)
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@ -253,7 +253,7 @@ _lib.llama_set_rng_seed.restype = None
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# Returns the maximum size in bytes of the state (rng, logits, embedding
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# and kv_cache) - will often be smaller after compacting tokens
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def llama_get_state_size(ctx: llama_context_p) -> c_size_t:
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def llama_get_state_size(ctx: llama_context_p) -> int:
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return _lib.llama_get_state_size(ctx)
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@ -293,7 +293,7 @@ def llama_load_session_file(
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tokens_out, # type: Array[llama_token]
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n_token_capacity: c_size_t,
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n_token_count_out, # type: _Pointer[c_size_t]
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) -> c_size_t:
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) -> int:
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return _lib.llama_load_session_file(
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ctx, path_session, tokens_out, n_token_capacity, n_token_count_out
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)
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@ -314,7 +314,7 @@ def llama_save_session_file(
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path_session: bytes,
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tokens, # type: Array[llama_token]
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n_token_count: c_size_t,
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) -> c_size_t:
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) -> int:
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return _lib.llama_save_session_file(ctx, path_session, tokens, n_token_count)
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@ -337,7 +337,7 @@ def llama_eval(
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n_tokens: c_int,
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n_past: c_int,
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n_threads: c_int,
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) -> c_int:
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) -> int:
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return _lib.llama_eval(ctx, tokens, n_tokens, n_past, n_threads)
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@ -364,7 +364,7 @@ _lib.llama_tokenize.argtypes = [llama_context_p, c_char_p, llama_token_p, c_int,
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_lib.llama_tokenize.restype = c_int
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def llama_n_vocab(ctx: llama_context_p) -> c_int:
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def llama_n_vocab(ctx: llama_context_p) -> int:
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return _lib.llama_n_vocab(ctx)
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@ -372,7 +372,7 @@ _lib.llama_n_vocab.argtypes = [llama_context_p]
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_lib.llama_n_vocab.restype = c_int
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def llama_n_ctx(ctx: llama_context_p) -> c_int:
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def llama_n_ctx(ctx: llama_context_p) -> int:
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return _lib.llama_n_ctx(ctx)
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@ -380,7 +380,7 @@ _lib.llama_n_ctx.argtypes = [llama_context_p]
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_lib.llama_n_ctx.restype = c_int
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def llama_n_embd(ctx: llama_context_p) -> c_int:
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def llama_n_embd(ctx: llama_context_p) -> int:
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return _lib.llama_n_embd(ctx)
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@ -426,7 +426,7 @@ _lib.llama_token_to_str.restype = c_char_p
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# Special tokens
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def llama_token_bos() -> llama_token:
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def llama_token_bos() -> int:
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return _lib.llama_token_bos()
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@ -434,7 +434,7 @@ _lib.llama_token_bos.argtypes = []
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_lib.llama_token_bos.restype = llama_token
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def llama_token_eos() -> llama_token:
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def llama_token_eos() -> int:
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return _lib.llama_token_eos()
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@ -442,7 +442,7 @@ _lib.llama_token_eos.argtypes = []
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_lib.llama_token_eos.restype = llama_token
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def llama_token_nl() -> llama_token:
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def llama_token_nl() -> int:
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return _lib.llama_token_nl()
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@ -625,7 +625,7 @@ def llama_sample_token_mirostat(
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eta: c_float,
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m: c_int,
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mu, # type: _Pointer[c_float]
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) -> llama_token:
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) -> int:
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return _lib.llama_sample_token_mirostat(ctx, candidates, tau, eta, m, mu)
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@ -651,7 +651,7 @@ def llama_sample_token_mirostat_v2(
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tau: c_float,
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eta: c_float,
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mu, # type: _Pointer[c_float]
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) -> llama_token:
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) -> int:
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return _lib.llama_sample_token_mirostat_v2(ctx, candidates, tau, eta, mu)
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@ -669,7 +669,7 @@ _lib.llama_sample_token_mirostat_v2.restype = llama_token
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def llama_sample_token_greedy(
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ctx: llama_context_p,
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candidates, # type: _Pointer[llama_token_data_array]
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) -> llama_token:
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) -> int:
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return _lib.llama_sample_token_greedy(ctx, candidates)
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@ -684,7 +684,7 @@ _lib.llama_sample_token_greedy.restype = llama_token
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def llama_sample_token(
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ctx: llama_context_p,
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candidates, # type: _Pointer[llama_token_data_array]
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) -> llama_token:
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) -> int:
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return _lib.llama_sample_token(ctx, candidates)
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@ -17,7 +17,7 @@ def test_llama():
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# @pytest.mark.skip(reason="need to update sample mocking")
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def test_llama_patch(monkeypatch):
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llama = llama_cpp.Llama(model_path=MODEL, vocab_only=True)
|
||||
n_vocab = int(llama_cpp.llama_n_vocab(llama.ctx))
|
||||
n_vocab = llama_cpp.llama_n_vocab(llama.ctx)
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## Set up mock function
|
||||
def mock_eval(*args, **kwargs):
|
||||
|
@ -107,7 +107,7 @@ def test_llama_pickle():
|
|||
|
||||
def test_utf8(monkeypatch):
|
||||
llama = llama_cpp.Llama(model_path=MODEL, vocab_only=True)
|
||||
n_vocab = int(llama_cpp.llama_n_vocab(llama.ctx))
|
||||
n_vocab = llama_cpp.llama_n_vocab(llama.ctx)
|
||||
|
||||
## Set up mock function
|
||||
def mock_eval(*args, **kwargs):
|
||||
|
|
Loading…
Reference in a new issue