Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/opentelemetry/trace/propagation/__init__.py: 53%

1# Copyright The OpenTelemetry Authors 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14from typing import Optional 

15 

16from opentelemetry.context import create_key, get_value, set_value 

17from opentelemetry.context.context import Context 

18from opentelemetry.trace.span import INVALID_SPAN, Span 

19 

20SPAN_KEY = "current-span" 

21_SPAN_KEY = create_key("current-span") 

22 

23 

24def set_span_in_context( 

25 span: Span, context: Optional[Context] = None 

26) -> Context: 

27 """Set the span in the given context. 

28 

29 Args: 

30 span: The Span to set. 

31 context: a Context object. if one is not passed, the 

32 default current context is used instead. 

33 """ 

34 ctx = set_value(_SPAN_KEY, span, context=context) 

35 return ctx 

36 

37 

38def get_current_span(context: Optional[Context] = None) -> Span: 

39 """Retrieve the current span. 

40 

41 Args: 

42 context: A Context object. If one is not passed, the 

43 default current context is used instead. 

44 

45 Returns: 

46 The Span set in the context if it exists. INVALID_SPAN otherwise. 

47 """ 

48 span = get_value(_SPAN_KEY, context=context) 

49 if span is None or not isinstance(span, Span): 

50 return INVALID_SPAN 

51 return span