ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter9/browser-use-rpa/browser-use/browser_use/telemetry/__init__.py

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+"""
+Telemetry for Browser Use.
+"""
+
+from typing import TYPE_CHECKING
+
+# Type stubs for lazy imports
+if TYPE_CHECKING:
+	from browser_use.telemetry.service import ProductTelemetry
+	from browser_use.telemetry.views import (
+		BaseTelemetryEvent,
+		CLITelemetryEvent,
+		MCPClientTelemetryEvent,
+		MCPServerTelemetryEvent,
+	)
+
+# Lazy imports mapping
+_LAZY_IMPORTS = {
+	'ProductTelemetry': ('browser_use.telemetry.service', 'ProductTelemetry'),
+	'BaseTelemetryEvent': ('browser_use.telemetry.views', 'BaseTelemetryEvent'),
+	'CLITelemetryEvent': ('browser_use.telemetry.views', 'CLITelemetryEvent'),
+	'MCPClientTelemetryEvent': ('browser_use.telemetry.views', 'MCPClientTelemetryEvent'),
+	'MCPServerTelemetryEvent': ('browser_use.telemetry.views', 'MCPServerTelemetryEvent'),
+}
+
+
+def __getattr__(name: str):
+	"""Lazy import mechanism for telemetry components."""
+	if name in _LAZY_IMPORTS:
+		module_path, attr_name = _LAZY_IMPORTS[name]
+		try:
+			from importlib import import_module
+
+			module = import_module(module_path)
+			attr = getattr(module, attr_name)
+			# Cache the imported attribute in the module's globals
+			globals()[name] = attr
+			return attr
+		except ImportError as e:
+			raise ImportError(f'Failed to import {name} from {module_path}: {e}') from e
+
+	raise AttributeError(f"module '{__name__}' has no attribute '{name}'")
+
+
+__all__ = [
+	'BaseTelemetryEvent',
+	'ProductTelemetry',
+	'CLITelemetryEvent',
+	'MCPClientTelemetryEvent',
+	'MCPServerTelemetryEvent',
+]