Upgrade outlines_core to 0.2.11 and update its logits processor/backend

Author: RobinPicard

.github/workflows/tests.yml

@@ -51,17 +51,16 @@ jobs:
         echo "::set-output name=id::$MATRIX_ID"
     - name: Run tests
       run: |
-        uv run pytest -x --cov=outlines -m 'not api_call'
-      env:
-        COVERAGE_FILE: .coverage.${{ steps.matrix-id.outputs.id }}
+        rm -f .coverage*
+        uv run coverage erase
+        uv run python -m coverage run --branch --parallel-mode -m pytest -x -m 'not api_call'
     - name: Upload coverage data
       uses: actions/upload-artifact@v4
       with:
         name: coverage-data
         path: .coverage.*
         if-no-files-found: ignore
         include-hidden-files: true
-        # TODO FIXME: This is only using the last run
         overwrite: true
 
   coverage:

examples/parsing.py

@@ -3,8 +3,6 @@
 import warnings
 from typing import TYPE_CHECKING
 
-from llguidance import LLMatcher
-
 from outlines.backends.base import BaseBackend
 from outlines.models import LlamaCpp, MLXLM, SteerableModel, Transformers
 from outlines.processors.base_logits_processor import (
@@ -65,6 +63,8 @@ def _setup(self, batch_size: int) -> None:
             The batch size of the input
 
         """
+        from llguidance import LLMatcher
+
         self.ll_matchers = [
             LLMatcher(self.llg_tokenizer, self.grammar)
             for _ in range(batch_size)