Don't request current context when creating a measurement

opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/exemplar/exemplar_filter.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from abc import ABC, abstractmethod
-from typing import Union
+from typing import Optional, Union
 
 from opentelemetry import trace
 from opentelemetry.context import Context
@@ -38,7 +38,7 @@ def should_sample(
         value: Union[int, float],
         time_unix_nano: int,
         attributes: Attributes,
-        context: Context,
+        context: Optional[Context],
     ) -> bool:
         """Returns whether or not a reservoir should attempt to filter a measurement.
 
@@ -65,7 +65,7 @@ def should_sample(
         value: Union[int, float],
         time_unix_nano: int,
         attributes: Attributes,
-        context: Context,
+        context: Optional[Context],
     ) -> bool:
         """Returns whether or not a reservoir should attempt to filter a measurement.
 
@@ -92,7 +92,7 @@ def should_sample(
         value: Union[int, float],
         time_unix_nano: int,
         attributes: Attributes,
-        context: Context,
+        context: Optional[Context],
     ) -> bool:
         """Returns whether or not a reservoir should attempt to filter a measurement.
 
@@ -118,7 +118,7 @@ def should_sample(
         value: Union[int, float],
         time_unix_nano: int,
         attributes: Attributes,
-        context: Context,
+        context: Optional[Context],
     ) -> bool:
         """Returns whether or not a reservoir should attempt to filter a measurement.
 

opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/instrument.py

@@ -20,7 +20,7 @@
 
 # This kind of import is needed to avoid Sphinx errors.
 import opentelemetry.sdk.metrics
-from opentelemetry.context import Context, get_current
+from opentelemetry.context import Context
 from opentelemetry.metrics import CallbackT
 from opentelemetry.metrics import Counter as APICounter
 from opentelemetry.metrics import Histogram as APIHistogram
@@ -138,7 +138,7 @@ def callback(
                         api_measurement.value,
                         time_unix_nano=time_ns(),
                         instrument=self,
-                        context=api_measurement.context or get_current(),
+                        context=api_measurement.context,
                         attributes=api_measurement.attributes,
                     )
             except Exception:  # pylint: disable=broad-exception-caught
@@ -170,7 +170,7 @@ def add(
                 amount,
                 time_unix_nano,
                 self,
-                context or get_current(),
+                context,
                 attributes,
             )
         )
@@ -194,7 +194,7 @@ def add(
                 amount,
                 time_unix_nano,
                 self,
-                context or get_current(),
+                context,
                 attributes,
             )
         )
@@ -242,7 +242,7 @@ def record(
                 amount,
                 time_unix_nano,
                 self,
-                context or get_current(),
+                context,
                 attributes,
             )
         )
@@ -266,7 +266,7 @@ def set(
                 amount,
                 time_unix_nano,
                 self,
-                context or get_current(),
+                context,
                 attributes,
             )
         )

opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/measurement.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from dataclasses import dataclass
-from typing import Union
+from typing import Optional, Union
 
 from opentelemetry.context import Context
 from opentelemetry.metrics import Instrument
@@ -41,5 +41,5 @@ class Measurement:
     value: Union[int, float]
     time_unix_nano: int
     instrument: Instrument
-    context: Context
+    context: Optional[Context] = None
     attributes: Attributes = None