Major fixes and new features

venv/lib/python3.12/site-packages/coverage/tracer.pyi

@@ -0,0 +1,43 @@
+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
+
+"""Typing information for the constructs from our .c files."""
+
+from typing import Any, Dict
+
+from coverage.types import TFileDisposition, TTraceData, TTraceFn, Tracer
+
+class CFileDisposition(TFileDisposition):
+    """CFileDisposition is in ctracer/filedisp.c"""
+
+    canonical_filename: Any
+    file_tracer: Any
+    has_dynamic_filename: Any
+    original_filename: Any
+    reason: Any
+    source_filename: Any
+    trace: Any
+    def __init__(self) -> None: ...
+
+class CTracer(Tracer):
+    """CTracer is in ctracer/tracer.c"""
+
+    check_include: Any
+    concur_id_func: Any
+    data: TTraceData
+    disable_plugin: Any
+    file_tracers: Any
+    should_start_context: Any
+    should_trace: Any
+    should_trace_cache: Any
+    switch_context: Any
+    lock_data: Any
+    unlock_data: Any
+    trace_arcs: Any
+    warn: Any
+    def __init__(self) -> None: ...
+    def activity(self) -> bool: ...
+    def get_stats(self) -> Dict[str, int]: ...
+    def reset_activity(self) -> Any: ...
+    def start(self) -> TTraceFn: ...
+    def stop(self) -> None: ...