chore: 添加虚拟环境到仓库

- 添加 backend_service/venv 虚拟环境
- 包含所有Python依赖包
- 注意：虚拟环境约393MB，包含12655个文件

backend_service/venv/lib/python3.13/site-packages/opentelemetry/baggage/__init__.py

@@ -0,0 +1,136 @@
+# 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 logging import getLogger
+from re import compile
+from types import MappingProxyType
+from typing import Dict, Mapping, Optional
+
+from opentelemetry.context import create_key, get_value, set_value
+from opentelemetry.context.context import Context
+from opentelemetry.util.re import (
+    _BAGGAGE_PROPERTY_FORMAT,
+    _KEY_FORMAT,
+    _VALUE_FORMAT,
+)
+
+_BAGGAGE_KEY = create_key("baggage")
+_logger = getLogger(__name__)
+
+_KEY_PATTERN = compile(_KEY_FORMAT)
+_VALUE_PATTERN = compile(_VALUE_FORMAT)
+_PROPERT_PATTERN = compile(_BAGGAGE_PROPERTY_FORMAT)
+
+
+def get_all(
+    context: Optional[Context] = None,
+) -> Mapping[str, object]:
+    """Returns the name/value pairs in the Baggage
+
+    Args:
+        context: The Context to use. If not set, uses current Context
+
+    Returns:
+        The name/value pairs in the Baggage
+    """
+    return MappingProxyType(_get_baggage_value(context=context))
+
+
+def get_baggage(
+    name: str, context: Optional[Context] = None
+) -> Optional[object]:
+    """Provides access to the value for a name/value pair in the
+    Baggage
+
+    Args:
+        name: The name of the value to retrieve
+        context: The Context to use. If not set, uses current Context
+
+    Returns:
+        The value associated with the given name, or null if the given name is
+        not present.
+    """
+    return _get_baggage_value(context=context).get(name)
+
+
+def set_baggage(
+    name: str, value: object, context: Optional[Context] = None
+) -> Context:
+    """Sets a value in the Baggage
+
+    Args:
+        name: The name of the value to set
+        value: The value to set
+        context: The Context to use. If not set, uses current Context
+
+    Returns:
+        A Context with the value updated
+    """
+    baggage = _get_baggage_value(context=context).copy()
+    baggage[name] = value
+    return set_value(_BAGGAGE_KEY, baggage, context=context)
+
+
+def remove_baggage(name: str, context: Optional[Context] = None) -> Context:
+    """Removes a value from the Baggage
+
+    Args:
+        name: The name of the value to remove
+        context: The Context to use. If not set, uses current Context
+
+    Returns:
+        A Context with the name/value removed
+    """
+    baggage = _get_baggage_value(context=context).copy()
+    baggage.pop(name, None)
+
+    return set_value(_BAGGAGE_KEY, baggage, context=context)
+
+
+def clear(context: Optional[Context] = None) -> Context:
+    """Removes all values from the Baggage
+
+    Args:
+        context: The Context to use. If not set, uses current Context
+
+    Returns:
+        A Context with all baggage entries removed
+    """
+    return set_value(_BAGGAGE_KEY, {}, context=context)
+
+
+def _get_baggage_value(context: Optional[Context] = None) -> Dict[str, object]:
+    baggage = get_value(_BAGGAGE_KEY, context=context)
+    if isinstance(baggage, dict):
+        return baggage
+    return {}
+
+
+def _is_valid_key(name: str) -> bool:
+    return _KEY_PATTERN.fullmatch(str(name)) is not None
+
+
+def _is_valid_value(value: object) -> bool:
+    parts = str(value).split(";")
+    is_valid_value = _VALUE_PATTERN.fullmatch(parts[0]) is not None
+    if len(parts) > 1:  # one or more properties metadata
+        for property in parts[1:]:
+            if _PROPERT_PATTERN.fullmatch(property) is None:
+                is_valid_value = False
+                break
+    return is_valid_value
+
+
+def _is_valid_pair(key: str, value: str) -> bool:
+    return _is_valid_key(key) and _is_valid_value(value)

backend_service/venv/lib/python3.13/site-packages/opentelemetry/baggage/propagation/__init__.py

@@ -0,0 +1,146 @@
+# 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 logging import getLogger
+from re import split
+from typing import Iterable, List, Mapping, Optional, Set
+from urllib.parse import quote_plus, unquote_plus
+
+from opentelemetry.baggage import _is_valid_pair, get_all, set_baggage
+from opentelemetry.context import get_current
+from opentelemetry.context.context import Context
+from opentelemetry.propagators import textmap
+from opentelemetry.util.re import _DELIMITER_PATTERN
+
+_logger = getLogger(__name__)
+
+
+class W3CBaggagePropagator(textmap.TextMapPropagator):
+    """Extracts and injects Baggage which is used to annotate telemetry."""
+
+    _MAX_HEADER_LENGTH = 8192
+    _MAX_PAIR_LENGTH = 4096
+    _MAX_PAIRS = 180
+    _BAGGAGE_HEADER_NAME = "baggage"
+
+    def extract(
+        self,
+        carrier: textmap.CarrierT,
+        context: Optional[Context] = None,
+        getter: textmap.Getter[textmap.CarrierT] = textmap.default_getter,
+    ) -> Context:
+        """Extract Baggage from the carrier.
+
+        See
+        `opentelemetry.propagators.textmap.TextMapPropagator.extract`
+        """
+
+        if context is None:
+            context = get_current()
+
+        header = _extract_first_element(
+            getter.get(carrier, self._BAGGAGE_HEADER_NAME)
+        )
+
+        if not header:
+            return context
+
+        if len(header) > self._MAX_HEADER_LENGTH:
+            _logger.warning(
+                "Baggage header `%s` exceeded the maximum number of bytes per baggage-string",
+                header,
+            )
+            return context
+
+        baggage_entries: List[str] = split(_DELIMITER_PATTERN, header)
+        total_baggage_entries = self._MAX_PAIRS
+
+        if len(baggage_entries) > self._MAX_PAIRS:
+            _logger.warning(
+                "Baggage header `%s` exceeded the maximum number of list-members",
+                header,
+            )
+
+        for entry in baggage_entries:
+            if len(entry) > self._MAX_PAIR_LENGTH:
+                _logger.warning(
+                    "Baggage entry `%s` exceeded the maximum number of bytes per list-member",
+                    entry,
+                )
+                continue
+            if not entry:  # empty string
+                continue
+            try:
+                name, value = entry.split("=", 1)
+            except Exception:  # pylint: disable=broad-exception-caught
+                _logger.warning(
+                    "Baggage list-member `%s` doesn't match the format", entry
+                )
+                continue
+
+            if not _is_valid_pair(name, value):
+                _logger.warning("Invalid baggage entry: `%s`", entry)
+                continue
+
+            name = unquote_plus(name).strip()
+            value = unquote_plus(value).strip()
+
+            context = set_baggage(
+                name,
+                value,
+                context=context,
+            )
+            total_baggage_entries -= 1
+            if total_baggage_entries == 0:
+                break
+
+        return context
+
+    def inject(
+        self,
+        carrier: textmap.CarrierT,
+        context: Optional[Context] = None,
+        setter: textmap.Setter[textmap.CarrierT] = textmap.default_setter,
+    ) -> None:
+        """Injects Baggage into the carrier.
+
+        See
+        `opentelemetry.propagators.textmap.TextMapPropagator.inject`
+        """
+        baggage_entries = get_all(context=context)
+        if not baggage_entries:
+            return
+
+        baggage_string = _format_baggage(baggage_entries)
+        setter.set(carrier, self._BAGGAGE_HEADER_NAME, baggage_string)
+
+    @property
+    def fields(self) -> Set[str]:
+        """Returns a set with the fields set in `inject`."""
+        return {self._BAGGAGE_HEADER_NAME}
+
+
+def _format_baggage(baggage_entries: Mapping[str, object]) -> str:
+    return ",".join(
+        quote_plus(str(key)) + "=" + quote_plus(str(value))
+        for key, value in baggage_entries.items()
+    )
+
+
+def _extract_first_element(
+    items: Optional[Iterable[textmap.CarrierT]],
+) -> Optional[textmap.CarrierT]:
+    if items is None:
+        return None
+    return next(iter(items), None)