0.6.4 - Min/Max string length

CHANGELOG.md

@@ -1,5 +1,8 @@
 # LM Format Enforcer Changelog
 
+## v0.6.4
+- JSON Schema : Supports string min/max length limitation
+
 ## v0.6.3
 - Community PR: Fixed SequenceParser bug
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "lm-format-enforcer"
-version = "0.6.3"
+version = "0.6.4"
 description = "Enforce the output format (JSON Schema, Regex etc) of a language model"
 authors = ["Noam Gat <[email protected]>"]
 license = "MIT"
@@ -14,7 +14,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",

tests/test_jsonschemaparser.py

@@ -1,6 +1,6 @@
 import json
-from typing import Annotated, Dict, List, Optional
-from pydantic import BaseModel, Field, StringConstraints
+from typing import Dict, List, Optional
+from pydantic import BaseModel, Field
 from lmformatenforcer import JsonSchemaParser
 from enum import Enum
 import pytest
@@ -223,11 +223,11 @@ class SomeSchema(BaseModel):
 
 def test_string_length_limitation():
     class SomeSchema(BaseModel):
-        key: Annotated[str, StringConstraints(min_length=2, max_length=3)]
+        # This is the elegant way to do it, but requires python >=3.9, we want to support 3.8
+        # key: Annotated[str, StringConstraints(min_length=2, max_length=3)]
+        key: str = Field(..., min_length=2, max_length=3)
 
     for str_length in range(10):
         test_string = f'{{"key": "{str_length * "a"}"}}'
         expect_sucess = 2 <= str_length <= 3
         _test_json_schema_parsing_with_string(test_string, SomeSchema.schema(), expect_sucess)
-
-