two version of R2R are hereHEADmaster

1 files changed, 176 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/opentelemetry/context/__init__.py b/.venv/lib/python3.12/site-packages/opentelemetry/context/__init__.py
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+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+import logging
+import typing
+from contextvars import Token
+from os import environ
+from uuid import uuid4
+
+# pylint: disable=wrong-import-position
+from opentelemetry.context.context import Context, _RuntimeContext  # noqa
+from opentelemetry.environment_variables import OTEL_PYTHON_CONTEXT
+from opentelemetry.util._importlib_metadata import entry_points
+
+logger = logging.getLogger(__name__)
+
+
+def _load_runtime_context() -> _RuntimeContext:
+    """Initialize the RuntimeContext
+
+    Returns:
+        An instance of RuntimeContext.
+    """
+
+    # FIXME use a better implementation of a configuration manager
+    # to avoid having to get configuration values straight from
+    # environment variables
+    default_context = "contextvars_context"
+
+    configured_context = environ.get(OTEL_PYTHON_CONTEXT, default_context)  # type: str
+
+    try:
+        return next(  # type: ignore
+            iter(  # type: ignore
+                entry_points(  # type: ignore
+                    group="opentelemetry_context",
+                    name=configured_context,
+                )
+            )
+        ).load()()
+    except Exception:  # pylint: disable=broad-exception-caught
+        logger.exception(
+            "Failed to load context: %s, fallback to %s",
+            configured_context,
+            default_context,
+        )
+        return next(  # type: ignore
+            iter(  # type: ignore
+                entry_points(  # type: ignore
+                    group="opentelemetry_context",
+                    name=default_context,
+                )
+            )
+        ).load()()
+
+
+_RUNTIME_CONTEXT = _load_runtime_context()
+
+
+def create_key(keyname: str) -> str:
+    """To allow cross-cutting concern to control access to their local state,
+    the RuntimeContext API provides a function which takes a keyname as input,
+    and returns a unique key.
+    Args:
+        keyname: The key name is for debugging purposes and is not required to be unique.
+    Returns:
+        A unique string representing the newly created key.
+    """
+    return keyname + "-" + str(uuid4())
+
+
+def get_value(key: str, context: typing.Optional[Context] = None) -> "object":
+    """To access the local state of a concern, the RuntimeContext API
+    provides a function which takes a context and a key as input,
+    and returns a value.
+
+    Args:
+        key: The key of the value to retrieve.
+        context: The context from which to retrieve the value, if None, the current context is used.
+
+    Returns:
+        The value associated with the key.
+    """
+    return context.get(key) if context is not None else get_current().get(key)
+
+
+def set_value(
+    key: str, value: "object", context: typing.Optional[Context] = None
+) -> Context:
+    """To record the local state of a cross-cutting concern, the
+    RuntimeContext API provides a function which takes a context, a
+    key, and a value as input, and returns an updated context
+    which contains the new value.
+
+    Args:
+        key: The key of the entry to set.
+        value: The value of the entry to set.
+        context: The context to copy, if None, the current context is used.
+
+    Returns:
+        A new `Context` containing the value set.
+    """
+    if context is None:
+        context = get_current()
+    new_values = context.copy()
+    new_values[key] = value
+    return Context(new_values)
+
+
+def get_current() -> Context:
+    """To access the context associated with program execution,
+    the Context API provides a function which takes no arguments
+    and returns a Context.
+
+    Returns:
+        The current `Context` object.
+    """
+    return _RUNTIME_CONTEXT.get_current()
+
+
+def attach(context: Context) -> Token[Context]:
+    """Associates a Context with the caller's current execution unit. Returns
+    a token that can be used to restore the previous Context.
+
+    Args:
+        context: The Context to set as current.
+
+    Returns:
+        A token that can be used with `detach` to reset the context.
+    """
+    return _RUNTIME_CONTEXT.attach(context)
+
+
+def detach(token: Token[Context]) -> None:
+    """Resets the Context associated with the caller's current execution unit
+    to the value it had before attaching a specified Context.
+
+    Args:
+        token: The Token that was returned by a previous call to attach a Context.
+    """
+    try:
+        _RUNTIME_CONTEXT.detach(token)
+    except Exception:  # pylint: disable=broad-exception-caught
+        logger.exception("Failed to detach context")
+
+
+# FIXME This is a temporary location for the suppress instrumentation key.
+# Once the decision around how to suppress instrumentation is made in the
+# spec, this key should be moved accordingly.
+_SUPPRESS_INSTRUMENTATION_KEY = create_key("suppress_instrumentation")
+_SUPPRESS_HTTP_INSTRUMENTATION_KEY = create_key(
+    "suppress_http_instrumentation"
+)
+
+__all__ = [
+    "Context",
+    "attach",
+    "create_key",
+    "detach",
+    "get_current",
+    "get_value",
+    "set_value",
+]