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.venv2/Lib/site-packages/pluggy/_tracing.py

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+"""
+Tracing utils
+"""
+
+from __future__ import annotations
+
+from typing import Any
+from typing import Callable
+from typing import Sequence
+from typing import Tuple
+
+
+_Writer = Callable[[str], object]
+_Processor = Callable[[Tuple[str, ...], Tuple[Any, ...]], object]
+
+
+class TagTracer:
+    def __init__(self) -> None:
+        self._tags2proc: dict[tuple[str, ...], _Processor] = {}
+        self._writer: _Writer | None = None
+        self.indent = 0
+
+    def get(self, name: str) -> TagTracerSub:
+        return TagTracerSub(self, (name,))
+
+    def _format_message(self, tags: Sequence[str], args: Sequence[object]) -> str:
+        if isinstance(args[-1], dict):
+            extra = args[-1]
+            args = args[:-1]
+        else:
+            extra = {}
+
+        content = " ".join(map(str, args))
+        indent = "  " * self.indent
+
+        lines = ["{}{} [{}]\n".format(indent, content, ":".join(tags))]
+
+        for name, value in extra.items():
+            lines.append(f"{indent}    {name}: {value}\n")
+
+        return "".join(lines)
+
+    def _processmessage(self, tags: tuple[str, ...], args: tuple[object, ...]) -> None:
+        if self._writer is not None and args:
+            self._writer(self._format_message(tags, args))
+        try:
+            processor = self._tags2proc[tags]
+        except KeyError:
+            pass
+        else:
+            processor(tags, args)
+
+    def setwriter(self, writer: _Writer | None) -> None:
+        self._writer = writer
+
+    def setprocessor(self, tags: str | tuple[str, ...], processor: _Processor) -> None:
+        if isinstance(tags, str):
+            tags = tuple(tags.split(":"))
+        else:
+            assert isinstance(tags, tuple)
+        self._tags2proc[tags] = processor
+
+
+class TagTracerSub:
+    def __init__(self, root: TagTracer, tags: tuple[str, ...]) -> None:
+        self.root = root
+        self.tags = tags
+
+    def __call__(self, *args: object) -> None:
+        self.root._processmessage(self.tags, args)
+
+    def get(self, name: str) -> TagTracerSub:
+        return self.__class__(self.root, self.tags + (name,))