Bump pydantic version to >2, <3 (#405)

clients/python/lorax/types.py

@@ -1,5 +1,5 @@
 from enum import Enum
-from pydantic import BaseModel, validator, Field, ConfigDict
+from pydantic import BaseModel, field_validator, Field, ConfigDict
 from typing import Optional, List, Dict, Any, OrderedDict, Union
 
 from lorax.errors import ValidationError
@@ -16,40 +16,40 @@ class MergedAdapters(BaseModel):
     # Weights of the adapters to merge
     weights: List[float]
     # Merge strategy
-    merge_strategy: Optional[str]
+    merge_strategy: Optional[str] = None
     # Density
     density: float
     # Majority sign method
-    majority_sign_method: Optional[str]
+    majority_sign_method: Optional[str] = None
 
-    @validator("ids")
+    @field_validator("ids")
     def validate_ids(cls, v):
         if not v:
             raise ValidationError("`ids` cannot be empty")
         return v
 
-    @validator("weights")
+    @field_validator("weights")
     def validate_weights(cls, v, values):
-        ids = values["ids"]
+        ids = values.data["ids"]
         if not v:
             raise ValidationError("`weights` cannot be empty")
         if len(ids) != len(v):
             raise ValidationError("`ids` and `weights` must have the same length")
         return v
 
-    @validator("merge_strategy")
+    @field_validator("merge_strategy")
     def validate_merge_strategy(cls, v):
         if v is not None and v not in MERGE_STRATEGIES:
             raise ValidationError(f"`merge_strategy` must be one of {MERGE_STRATEGIES}")
         return v
 
-    @validator("density")
+    @field_validator("density")
     def validate_density(cls, v):
         if v < 0 or v > 1.0:
             raise ValidationError("`density` must be >= 0.0 and <= 1.0")
         return v
 
-    @validator("majority_sign_method")
+    @field_validator("majority_sign_method")
     def validate_majority_sign_method(cls, v):
         if v is not None and v not in MAJORITY_SIGN_METHODS:
             raise ValidationError(f"`majority_sign_method` must be one of {MAJORITY_SIGN_METHODS}")
@@ -69,13 +69,13 @@ class ResponseFormat(BaseModel):
 
 class Parameters(BaseModel):
     # The ID of the adapter to use
-    adapter_id: Optional[str]
+    adapter_id: Optional[str] = None
     # The source of the adapter to use
-    adapter_source: Optional[str]
+    adapter_source: Optional[str] = None
     # Adapter merge parameters
-    merged_adapters: Optional[MergedAdapters]
+    merged_adapters: Optional[MergedAdapters] = None
     # API token for accessing private adapters
-    api_token: Optional[str]
+    api_token: Optional[str] = None
     # Activate logits sampling
     do_sample: bool = False
     # Maximum number of generated tokens
@@ -90,107 +90,107 @@ class Parameters(BaseModel):
     # Stop generating tokens if a member of `stop_sequences` is generated
     stop: List[str] = []
     # Random sampling seed
-    seed: Optional[int]
+    seed: Optional[int] = None
     # The value used to module the logits distribution.
-    temperature: Optional[float]
+    temperature: Optional[float] = None
     # The number of highest probability vocabulary tokens to keep for top-k-filtering.
-    top_k: Optional[int]
+    top_k: Optional[int] = None
     # If set to < 1, only the smallest set of most probable tokens with probabilities that add up to `top_p` or
     # higher are kept for generation.
-    top_p: Optional[float]
+    top_p: Optional[float] = None
     # truncate inputs tokens to the given size
-    truncate: Optional[int]
+    truncate: Optional[int] = None
     # Typical Decoding mass
     # See [Typical Decoding for Natural Language Generation](https://arxiv.org/abs/2202.00666) for more information
-    typical_p: Optional[float]
+    typical_p: Optional[float] = None
     # Generate best_of sequences and return the one if the highest token logprobs
-    best_of: Optional[int]
+    best_of: Optional[int] = None
     # Watermarking with [A Watermark for Large Language Models](https://arxiv.org/abs/2301.10226)
     watermark: bool = False
     # Get generation details
     details: bool = False
     # Get decoder input token logprobs and ids
     decoder_input_details: bool = False
     # The number of highest probability vocabulary tokens to return as alternative tokens in the generation result
-    return_k_alternatives: Optional[int]
+    return_k_alternatives: Optional[int] = None
     # Optional response format specification to constrain the generated text
-    response_format: Optional[ResponseFormat]
+    response_format: Optional[ResponseFormat] = None
 
-    @validator("adapter_id")
+    @field_validator("adapter_id")
     def valid_adapter_id(cls, v, values):
         merged_adapters = values.get("merged_adapters")
         if v is not None and merged_adapters is not None:
             raise ValidationError("you must specify at most one of `adapter_id` or `merged_adapters`")
         return v
 
-    @validator("adapter_source")
+    @field_validator("adapter_source")
     def valid_adapter_source(cls, v):
         if v is not None and v not in ADAPTER_SOURCES:
             raise ValidationError(f"`adapter_source` must be one of {ADAPTER_SOURCES}")
         return v
 
-    @validator("best_of")
+    @field_validator("best_of")
     def valid_best_of(cls, field_value, values):
         if field_value is not None:
             if field_value <= 0:
                 raise ValidationError("`best_of` must be strictly positive")
-            if field_value > 1 and values["seed"] is not None:
+            if field_value > 1 and values.data["seed"] is not None:
                 raise ValidationError("`seed` must not be set when `best_of` is > 1")
             sampling = (
-                values["do_sample"]
-                | (values["temperature"] is not None)
-                | (values["top_k"] is not None)
-                | (values["top_p"] is not None)
-                | (values["typical_p"] is not None)
+                values.data["do_sample"]
+                | (values.data["temperature"] is not None)
+                | (values.data["top_k"] is not None)
+                | (values.data["top_p"] is not None)
+                | (values.data["typical_p"] is not None)
             )
             if field_value > 1 and not sampling:
                 raise ValidationError("you must use sampling when `best_of` is > 1")
 
         return field_value
 
-    @validator("repetition_penalty")
+    @field_validator("repetition_penalty")
     def valid_repetition_penalty(cls, v):
         if v is not None and v <= 0:
             raise ValidationError("`repetition_penalty` must be strictly positive")
         return v
 
-    @validator("seed")
+    @field_validator("seed")
     def valid_seed(cls, v):
         if v is not None and v < 0:
             raise ValidationError("`seed` must be positive")
         return v
 
-    @validator("temperature")
+    @field_validator("temperature")
     def valid_temp(cls, v):
         if v is not None and v <= 0:
             raise ValidationError("`temperature` must be strictly positive")
         return v
 
-    @validator("top_k")
+    @field_validator("top_k")
     def valid_top_k(cls, v):
         if v is not None and v <= 0:
             raise ValidationError("`top_k` must be strictly positive")
         return v
 
-    @validator("top_p")
+    @field_validator("top_p")
     def valid_top_p(cls, v):
         if v is not None and (v <= 0 or v >= 1.0):
             raise ValidationError("`top_p` must be > 0.0 and < 1.0")
         return v
 
-    @validator("truncate")
+    @field_validator("truncate")
     def valid_truncate(cls, v):
         if v is not None and v <= 0:
             raise ValidationError("`truncate` must be strictly positive")
         return v
 
-    @validator("typical_p")
+    @field_validator("typical_p")
     def valid_typical_p(cls, v):
         if v is not None and (v <= 0 or v >= 1.0):
             raise ValidationError("`typical_p` must be > 0.0 and < 1.0")
         return v
 
-    @validator("return_k_alternatives")
+    @field_validator("return_k_alternatives")
     def valid_return_k_alternatives(cls, v):
         if v is not None and v <= 0:
             raise ValidationError("`return_k_alternatives` must be strictly positive")
@@ -201,19 +201,19 @@ class Request(BaseModel):
     # Prompt
     inputs: str
     # Generation parameters
-    parameters: Optional[Parameters]
+    parameters: Optional[Parameters] = None
     # Whether to stream output tokens
     stream: bool = False
 
-    @validator("inputs")
+    @field_validator("inputs")
     def valid_input(cls, v):
         if not v:
             raise ValidationError("`inputs` cannot be empty")
         return v
 
-    @validator("stream")
+    @field_validator("stream")
     def valid_best_of_stream(cls, field_value, values):
-        parameters = values["parameters"]
+        parameters = values.data["parameters"]
         if parameters is not None and parameters.best_of is not None and parameters.best_of > 1 and field_value:
             raise ValidationError("`best_of` != 1 is not supported when `stream` == True")
         return field_value
@@ -227,7 +227,7 @@ class InputToken(BaseModel):
     text: str
     # Logprob
     # Optional since the logprob of the first token cannot be computed
-    logprob: Optional[float]
+    logprob: Optional[float] = None
 
 
 # Alternative Tokens
@@ -252,7 +252,7 @@ class Token(BaseModel):
     # Can be used to ignore tokens when concatenating
     special: bool
     # Alternative tokens
-    alternative_tokens: Optional[List[AlternativeToken]]
+    alternative_tokens: Optional[List[AlternativeToken]] = None
 
 
 # Generation finish reason
@@ -274,7 +274,7 @@ class BestOfSequence(BaseModel):
     # Number of generated tokens
     generated_tokens: int
     # Sampling seed if sampling was activated
-    seed: Optional[int]
+    seed: Optional[int] = None
     # Decoder input tokens, empty if decoder_input_details is False
     prefill: List[InputToken]
     # Generated tokens
@@ -290,21 +290,21 @@ class Details(BaseModel):
     # Number of generated tokens
     generated_tokens: int
     # Sampling seed if sampling was activated
-    seed: Optional[int]
+    seed: Optional[int] = None
     # Decoder input tokens, empty if decoder_input_details is False
     prefill: List[InputToken]
     # Generated tokens
     tokens: List[Token]
     # Additional sequences when using the `best_of` parameter
-    best_of_sequences: Optional[List[BestOfSequence]]
+    best_of_sequences: Optional[List[BestOfSequence]] = None
 
 
 # `generate` return value
 class Response(BaseModel):
     # Generated text
     generated_text: str
     # Generation details
-    details: Optional[Details]
+    details: Optional[Details] = None
 
 
 # `generate_stream` details
@@ -316,7 +316,7 @@ class StreamDetails(BaseModel):
     # Number of generated tokens
     generated_tokens: int
     # Sampling seed if sampling was activated
-    seed: Optional[int]
+    seed: Optional[int] = None
 
 
 # `generate_stream` return value
@@ -325,10 +325,10 @@ class StreamResponse(BaseModel):
     token: Token
     # Complete generated text
     # Only available when the generation is finished
-    generated_text: Optional[str]
+    generated_text: Optional[str] = None
     # Generation details
     # Only available when the generation is finished
-    details: Optional[StreamDetails]
+    details: Optional[StreamDetails] = None
 
 
 # Inference API currently deployed model