Update dependency ddtrace to ^0.55.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ddtrace	^0.46.0 -> ^0.55.0

---

Release Notes

DataDog/dd-trace-py

v0.55.4

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Bug Fixes

• Fixes parsing of botocore env variables to ensure they are parsed as booleans.
• Ensure tornado spans are marked as an error if the response status code is 500 <= x < 600.

v0.55.3

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Bug Fixes

• Fix memory leak caused when the tracer is disabled.

v0.55.2

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0.55.2

Bug Fixes

• Set the correct package name in the Pyramid instrumentation. This should
  fix an issue where the incorrect package name was being used which would
  crash the application when trying to do relative imports within Pyramid
  (e.g. when including routes from a relative path).

v0.55.1

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0.55.1

Bug Fixes

• Fix Pyramid caller_package level issue which resulted in crashes when starting Pyramid applications. Level now left at default (2).

v0.55.0

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Release Notes

New Features

• Add official support for Python 3.10
• Add aredis support >= 1.1.0
• Add automatic unix domain socket detection for Dogstatsd. The expected path for the socket is /var/run/datadog/dsd.socket which if exists, will be used instead of the previous UDP default, udp://localhost:8125/. To be used in conjunction with dogstatsd_socket in your datadog.yaml file, or the DD_DOGSTATSD_SOCKET environment variable set on the Datadog agent.
• Add new DD_TRACE_SAMPLING_RULES environment variable to override default sampling rules. For example: DD_TRACE_SAMPLING_RULES='[{"sample_rate":0.5,"service":"my-service"}]'
• Add support for snowflake-connector-python >= 2.0.0. Note that this integration is in beta and is not enabled by default. See the snowflake integration documentation for how to enable.
• Only for CI Visibility (pytest integration): include pytest version as a tag in the test span.
• Only for CI Visibility (pytest integration): Extract stage and job name from environment data in Azure Pipelines.

Upgrade Notes

• Instead of using error constants from ddtrace.ext.errors. Use constants from ddtrace.constants module. For example: ddtrace.ext.errors.ERROR_MSG -> ddtrace.constants.ERROR_MSG
• Instead of using priority constants from ddtrace.ext.priority. Use constants from ddtrace.constants module. For example: ddtrace.ext.priority.AUTO_KEEP -> ddtrace.constants.AUTO_KEEP
• Instead of using system constants from ddtrace.ext.system. Use constants from ddtrace.constants module. For example: ddtrace.ext.system.PID -> ddtrace.constants.PID

Deprecation Notes

• Deprecate DATADOG_TRACE_AGENT_HOSTNAME, DATADOG_TRACE_AGENT_PORT, DATADOG_PRIORITY_SAMPLING, DATADOG_PATCH_MODULES in favor of their DD equivalents.

  [Deprecated environment variable] | [Recommended environment variable]

  • For DATADOG_TRACE_AGENT_HOSTNAME, use DD_AGENT_HOST
  • For DATADOG_TRACE_AGENT_PORT use DD_AGENT_PORT
  • For DATADOG_PRIORITY_SAMPLING, follow ingestion controls
  • For DATADOG_PATCH_MODULES, use DD_PATCH_MODULES

• Moved ddtrace.ext.errors constants into the ddtrace.constants module. ddtrace.ext.errors will be removed in v1.0. Shorthand error constant (MSG,TYPE,STACK) in ddtrace.ext.errors will be removed in v1.0. Function get_traceback() in ddtrace.ext.errors is now deprecated and will be removed v1.0.

• Moved ddtrace.ext.priority constants into ddtrace.constants module.

• Moved ddtrace.ext.system constants into ddtrace.constants module.

Bug Fixes

• Fixes an issue where all Django function middleware will share the same resource name.
• Fixed an issue with gevent worker processes that caused them to crash and stop.
• Fixes exceptions raised when logging during tracer initialization when DD_LOGS_INJECTION is enabled.
• The ddtrace.utils.wrappers.unwrap function now raises an error if trying to unwrap a non-wrapped object.
• Only for CI Visibility (pytest integration): Fix extraction of branch in GitLab CI.

v0.54.1

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Bug Fixes

• Fixed an issue with gevent worker processes that caused them to crash and stop.
• Fixes exceptions raised when logging during tracer initialization when DD_LOGS_INJECTION is enabled.

v0.54.0

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Release Notes

v0.54.0

New Features

• Add automatic unix domain socket detection for traces. The expected path for the socket is /var/run/datadog/apm.socket which if exists, will be used instead of the previous http default, http://localhost:8126/. To be used in conjunction with apm_config.receiver_socket in your datadog.yaml file, or the DD_APM_RECEIVER_SOCKET environment variable set on the Datadog agent.
• Update the --info command to be easier to read and provide more helpful information.
• Add support for DD_PROFILING_ENDPOINT_COLLECTION_ENABLED env variable to disable endpoint name collection in profiler.
• Add rq integration.
• Tag traces with HTTP headers specified on the DD_TRACE_HEADER_TAGS environment variable. Value must be either comma or space separated. e.g. Host:http.host,User-Agent,http.user_agent or referer:http.referer Content-Type:http.content_type.

Deprecation Notes

• Deprecate the DATADOG_ENV environment variable in favor of DD_ENV. The use of DD_ENV should follow Unified Service Tagging recommendations.

Bug Fixes

• pytest: report exception details directly instead of through a RuntimeWarning exception.
• Fixed the support for Celery workers that fork sub-processes with Python 3.6 and earlier versions.
• Fix the reporting of the allocated memory and the number of allocations in the profiler.
• Fixes cases in which the test.status tag of a test span from pytest would be missing because pytest_runtest_makereport hook is not run, like when pytest has an internal error.
• Pin protobuf version to <3.18 for Python <=3.5 due to support being dropped.
• Make sure that correct endpoint name collected for profiling.

Other Notes

• Added runtime metrics status and sampling rules to start-up logs.

v0.53.3

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Bug Fixes

• Fixes an issue where all Django function middleware will share the same resource name.

v0.53.2

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Bug Fixes

• Fix the reporting of the allocated memory and the number of allocations in the profiler.

v0.53.1

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Bug Fixes

• Fixed the support for Celery workers that fork sub-processes with Python 3.6 and earlier versions.
• Fixes cases in which the test.status tag of a test span from pytest would be missing because pytest_runtest_makereport hook is not run, like when pytest has an internal error.
• Pin protobuf version to <3.18 for Python <=3.5 due to support being dropped.

v0.53.0

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Release Notes

v0.53.0

New Features

• Tag traces with HTTP headers specified on the DD_TRACE_HEADER_TAGS environment variable. Value must be either comma or space separated. e.g. Host:http.host,User-Agent,http.user_agent or referer:http.referer Content-Type:http.content_type.
• The gevent tasks are now tracked by the threading lock events

Bug Fixes

• pytest: report exception details directly instead of through a RuntimeWarning exception.
• Fixes an issue where a manually set django.request span resource would get overwritten by the integration.
• Pin setup_requires dependency setuptools_scm[toml]>=4,<6.1 to avoid breaking changes.

v0.52.1

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v0.52.1

Bug Fixes

• Pin setup_requires dependency setuptools_scm[toml]>=4,<6.1 to avoid breaking changes.

v0.52.0

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Release Notes

0.52.0

New Features

• The ddtrace.Tracer.get_log_correlation_context method has been added to replace ddtrace.helpers.get_correlation_ids. It now returns a dictionary which includes the current span's trace and span ids, as well as the configured service, version, and environment names.
• Add tracing support for the httpx library. Supported versions >=0.14.0.
• ASGI: store the ASGI span in the scope. The span can be retrieved with the ddtrace.contrib.asgi.span_from_scope function.
• Submit runtime metrics as distribution metrics instead of gauge metrics.
• Support flask-caching (>= 1.10.0) with the Flask-Cache tracer.
• Only for CI Visibility (pytest integration): It is now possible to specify any of the following git metadata through environment variables:
  • DD_GIT_REPOSITORY_URL: The url of the repository where the code is stored
  • DD_GIT_TAG: The tag of the commit, if it has one
  • DD_GIT_BRANCH: The branch where this commit belongs to
  • DD_GIT_COMMIT_SHA: The commit hash of the current code
  • DD_GIT_COMMIT_MESSAGE: Commit message
  • DD_GIT_COMMIT_AUTHOR_NAME: Commit author name
  • DD_GIT_COMMIT_AUTHOR_EMAIL: Commit author email
  • DD_GIT_COMMIT_AUTHOR_DATE: The commit author date (ISO 8601)
  • DD_GIT_COMMIT_COMMITTER_NAME: Commit committer name
  • DD_GIT_COMMIT_COMMITTER_EMAIL: Commit committer email
  • DD_GIT_COMMIT_COMMITTER_DATE: The commit committer date (ISO 8601)

Bug Fixes

• ASGI: handle decoding errors when extracting headers for trace propagation.
• Corrected some typing annotations for PEP 484 compliance
• Django: add support for version 3.1+ ASGI applications. A different codepath is taken for requests starting in Django 3.1 which led to the top level span not being generated for requests. The fix introduces automatic installation of the ASGI middleware to trace Django requests.
• dogpile.cache: handle both kwargs and args in the wrapper functions (using only kwargs would result in an IndexError).
• Fixes an issue with the Django integration where if the urlconf changes at any point during the handling of the request then the resource name will only be <METHOD> 404. This fix moves resource name resolution to the end of the request.
• Fixes error with tagging non-string Flask view args.
• werkzeug.exceptions.NotFound 404 errors are no longer raised and logged as a server error in the Flask integration.
• Fixes type hinting for **patch_modules parameter for patch/patch_all functions.
• Fixes an issue when using the pytest plugin with doctest which raises an AttributeError on DoctestItem.
• Fixes a bug in the pytest plugin where xfail test cases in a test file with a module-wide skip raises attribute errors and are marked as xfail rather than skipped.
• Fixed the handling of sanic endpoint paths with non-string arguments.
• opentracer: don't override default tracing config for the ENABLED, AGENT_HOSTNAME,AGENT_HTTPS or AGENT_PORT settings.

v0.51.2

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Release Notes

0.51.2

Bug Fixes

• ASGI: handle decoding errors when extracting headers for trace propagation.
• Corrected some typing annotations for PEP 484 compliance
• Django: add support for version 3.1+ ASGI applications. A different codepath is taken for requests starting in Django 3.1 which led to the top level span not being generated for requests. The fix introduces automatic installation of the ASGI middleware to trace Django requests.
• Fixes error with tagging non-string Flask view args.
• Fixes type hinting for **patch_modules parameter for patch/patch_all functions.
• Fixes a bug in the pytest plugin where xfail test cases in a test file with a module-wide skip raises attribute errors and are marked as xfail rather than skipped.

v0.51.1

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Release Notes

0.51.1

• Include the py.typed file to enable mypy type checking with ddtrace.

v0.51.0

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Release Notes

v0.51.0

Upgrade Notes

• The legacy Django configuration method (deprecated in 0.34) has been removed.
• botocore: Update trace propagation format for directly invoked Lambda functions. This breaks compatibility with Lambda functions instrumented with datadog-lambda-python < v41 or datadog-lambda-js < v3.57.0. Please upgrade datadog-lambda-* in invoked lambda functions, or engage legacy compatibility mode in one of two ways:
  • ddtrace.config.botocore.invoke_with_legacy_context = True
  • DD_BOTOCORE_INVOKE_WITH_LEGACY_CONTEXT=true

Bug Fixes

• opentracer: don't override default tracing config for the ENABLED,\ AGENT_HOSTNAME, AGENT_HTTPS or AGENT_PORT settings.
• Fixed JSON encoding errors in the pytest plugin for parameterized tests with dictionary parameters with tuple keys. The pytest plugin now always JSON encodes the string representations of test parameters.
• Fix a possible NoneType error in the WSGI middleware start_response method.
• Fixes an issue with enabling the runtime worker introduced in v0.49.0 where no runtime metrics were sent to the agent.
• Fix pymongo 3.12.0+ spans not being generated.

New Features

• Added support for aiopg~=0.16.0.
• Add MariaDB integration.
• The profiler now exports active tasks for CPU and wall time profiles.
• Added support for jinja2~=3.0.0.
• The pytest integration now uses the name of the repository being tested as the default test service name.

Deprecation Notes

• Removed the collect_metrics argument from Tracer.configure. See the release notes for v0.49.0 for the migration instructions.
• monkey.patch_module is deprecated.
• monkey.get_patch_module is deprecated.

v0.50.4

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Release Notes

0.50.4

Bug Fixes

• Fixes the pytest plugin from wrongly marking skipped XFail test cases as XFail. Skipped XFail tests are now marked as skipped test cases.

v0.50.3

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Release Notes

0.50.3

Bug Fixes

• Fixed the handling of sanic endpoint paths with non-string arguments.

v0.50.2

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Release Notes

0.50.2

Bug Fixes

• Fixed JSON encoding errors in the pytest plugin for parameterized tests with dictionary parameters with tuple (non-basic) key types. The pytest plugin now always JSON encodes the string representations of test parameters.

v0.50.1

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Release Notes

0.50.1

Bug Fixes

• Fix pymongo 3.12.0+ spans not being generated.
• Fix a possible NoneType error in the WSGI middleware start_response method.
• Fixed JSON encoding errors in the pytest plugin for parameterized tests with complex Python object parameters.
  The pytest plugin now defaults to encoding the string representations of non-JSON serializable test parameters.

v0.50.0

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Release Notes

v0.50.0

Prelude

Major changes to context management. See the upgrade section for the specifics. Note that only advanced users of the library should be affected by these changes. For the details please refer to the Context section of the docs: https://ddtrace.readthedocs.io/en/v0.50.0/advanced_usage.html

Upgrade Notes

• ddtrace.contrib.asyncio

  • AsyncioContextProvider can now return and activate None, Span or Context objects.

• ddtrace.contrib.gevent

  • GeventContextProvider can now return and activate None, Span or Context objects.

• ddtrace.contrib.tornado

  • TracerStackContext can now return and activate None, Span or Context objects.

• ddtrace.context.Context no longer maintains the active/current span state.

  • get_current_root_span() has been removed. Use tracer.current_root_span() instead.

  • get_current_span() has been removed. Use tracer.current_span() instead.

  • add_span() has been removed. To activate a span in an execution use tracer.context_provider.activate() instead.

  • close_span() has been removed. To deactivate a span in an execution use tracer.context_provider.activate() instead.

• ddtrace.provider.BaseContextProvider

  • active() now returns None, Span or Context objects.
  • activate() now accepts None, Span or Context objects.

• ddtrace.tracer.Tracer

  • tracer.get_call_context() will now return a one-off Context reference. This is to maintain backwards compatibility with the API but the functionality differs slightly.
  • tracer.start_span() passing a span.context for child_of no longer adds the strong _parent reference to the new span.

• Support for MySQL-python has been removed.

• Support for psycopg < 2.7 has been removed.

Bug Fixes

• Fixes an issue with enabling the runtime worker introduced in v0.49.0 where no runtime metrics were sent to the agent.

• Fixed the handling of the Django template name tag causing type errors.

• Fixes an issue when trying to manually start the runtime metrics worker:

  AttributeError: module 'ddtrace.internal.runtime' has no attribute 'runtime_metrics'
  

• sanic: update instrumentation to support version 21.

• Performance of the Celery integration has been improved.

• Fix runtime-id and system.pid tags not being set on distributed traces.

• The shutdown task is re-registered when a tracer is reused after it has been shut down.

• Fixed the optional argument of Span.finish to Optional[float] instead of Optional[int].

• The OpenTracing tracer.start_span method no longer activates spans.

• Datadog active spans will no longer take precedence over OpenTracing active spans.

• django: fix a bug where multiple database backends would not be instrumented.

• django: fix a bug when postgres query is composable sql object.

• A possible memory leak that occurs when tracing across a fork has been fixed. See #​2497 for more information.

• Fix double patching of pymongo client topology.

New Features

• Automated context management should now work in all asynchronous frameworks that use contextvars.

• The Python heap profiler can now be enabled by setting the DD_PROFILING_HEAP_ENABLED environment variable to 1.

• The pytest plugin now includes support for automatically tagging spans with parameters in parameterized tests.

• Add new environment variables to configure the internal trace writer.

  DD_TRACE_WRITER_MAX_BUFFER_SIZE, DD_TRACE_WRITER_INTERVAL_SECONDS, DD_TRACE_WRITER_MAX_PAYLOAD_SIZE_BYTES

• The exception profiler now gathers and exports the traces and spans information.

• Add new DD_TRACE_AGENT_TIMEOUT_SECONDS to override the default connection timeout used when sending data to the trace agent. The default is 2.0 seconds.

• The CI tagging for the pytest plugin now includes OS and Python Runtime metadata including system architecture, platform, version, and Python runtime name and version.

• Add DD_CALL_BASIC_CONFIG={true,false} environment variable to control whether ddtrace calls logging.basicConfig. By default when using ddtrace-run or running in debug mode logging.basicConfig is called to ensure there is always a root handler. This has compatibility issues for some logging configurations. DD_CALL_BASIC_CONFIG=false can be used to skip calling logging.basicConfig. The default value is true to maintain existing behavior.

• agent: support URL with a base path

• tracer.start_span() now accepts an activate argument (default False) to allow manual context management.

• tracer.current_trace_context() has been added to be used to access the trace context of the active trace.

• A warning has been added to alert when gevent monkey patching is done after ddtrace has been imported.

• Add support for Flask 2.

• Added retry logic to the tracer to mitigate potential networking issues, like timeouts or dropped connections.

Other Notes

• The botocore integration excludes AWS endpoint call parameters that have a name ending with Body from the set of span tags.
• The pytest plugin now includes git metadata tags including author name and email as well as commit message from CI provider environments.
• The profiler won't be ignoring its own resource usage anymore and will report it in the profiles.

Deprecation Notes

• The deprecated dbapi2 configuration has been removed. The integration-specific configuration should be used instead. Look at the v0.48.0 release notes for migration instructions.
• The reuse of a tracer that has been shut down has been deprecated. A new tracer should be created for generating new traces.

v0.49.4

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Release Notes

0.49.4

Bug Fixes

• Fixes an issue when trying to manually start the runtime metrics worker:

  AttributeError: module 'ddtrace.internal.runtime' has no attribute 'runtime_metrics'
  

• Fixes an issue with enabling the runtime worker introduced in v0.49.0 where no runtime metrics were sent to the agent.

v0.49.3

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Release Notes

0.49.3

Bug Fixes

• django: fix a bug where multiple database backends would not be instrumented.
• django: fix a bug when postgres query is composable sql object.

v0.49.2

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Release Notes

v0.49.2

Bug Fixes

• Fix double patching of pymongo client topology.

v0.49.1

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Release Notes

v0.49.1

New Features

• Add support for Flask 2

v0.49.0

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Release Notes

v0.49.0

Prelude

Several deprecations have been made to Context as we prepare to move active span management out of this class.

New Features

• The futures integration is now enabled by default.
• requests: add global config support. This enables the requests service name to be configured with ddtrace.config.requests['service'] or the DD_REQUESTS_SERVICE environment variable.

Upgrade Notes

• Support for aiohttp previous to 2.0 has been removed.
• Support for deprecated DD_PROFILING_API_URL environment variable has been removed. Use DD_SITE instead.
• Support for deprecated DD_PROFILING_API_KEY environment variable has been removed. Use DD_API_KEY instead.
• Profiling support for agentless mode must now be explicitly enabled.
• The ddtrace pytest plugin can now label spans from test cases marked xfail with the tag "pytest.result" and the reason for being marked xfail under the tag "pytest.xfail.reason".
• requests: spans will no longer inherit the service name from the parent.
• The return value of Span.pprint() has been changed to a single line in the tracer debug logs rather than the previous custom multiline format.
• Spans are now processed per tracer instance. Formerly spans were stored per-Context which could be shared between tracer instances. Note that context management is not affected. Tracers will still share active spans.
• Spans from asynchronous executions (asyncio, gevent, tornado) will now be processed and flushed together. Formerly the spans were handled per-task.
• tracer.write() will no longer have filters applied to the spans passed to it.
• The function ddtrace.utils.merge_dicts has been removed.

Deprecation Notes

• Context.clone is deprecated. It will not be required in 0.50.
• Context.add_span is deprecated and will be removed in 0.50.
• Context.add_span is deprecated and will be removed in 0.50.
• Context.close_span is deprecated and will be removed in 0.50.
• Context.get_current_span is deprecated and will be removed in 0.50 please use Tracer.current_span instead.
• Context.get_current_root_span is deprecated and will be removed in 0.50 please use Tracer.current_root_span instead.
• Deprecate the configuration of the analytics through the generic dbapi2 configuration. This should now be configured via integration configurations, for example:

Before

    export DD_TRACE_DBAPI2_ANALYTICS_ENABLED=1

After

    export DD_TRACE_SQLITE3_ANALYTICS_ENABLED=1

• ddtrace.compat has been deprecated and will be removed from the public API in ddtrace version 1.0.0.
• Deprecate ddtrace.config.dbapi2 as default for TracedCursor and TracedConnection as well as DD_DBAPI2_TRACE_FETCH_METHODS. Use IntegrationConfig and DD_<INTEGRATION>_TRACE_FETCH_METHODS specific to each dbapi-compliant library. For example:

Before

    config.dbapi2.trace_fetch_methods = True

After

    config.psycopg2.trace_fetch_methods = True

• The use of ddtrace.encoding has been deprecated and will be removed in version 1.0.0.
• The ddtrace.http module has been deprecated and will be removed in version 1.0.0, with the ddtrace.http.headers module now merged into ddtrace.trace_utils.
• The collect_metrics argument of the tracer.configure method has been deprecated. Runtime metrics should be enabled only via the DD_RUNTIME_METRICS_ENABLED environment variable.

Bug Fixes

• Fix broken builds for Python 2.7 on windows where <stdint.h> was not available. This change also ensures we build and publish cp27-win wheels.
• CGroup file parsing was fixed to correctly parse container ID with preceding characters.
• grpc: handle None values for span tags.
• grpc: handle no package in fully qualified method
• grpc: Add done callback in streaming response to avoid unfinished spans if a StopIteration is never raised, as is found in the Google Cloud libraries.
• grpc: handle IPv6 addresses and no port in target.
• Fix DD_LOGS_INJECTION incompatibility when using a logging.StrFormatStyle (logging.Formatter(fmt, style="{")) log formatter.
• Fixed a bug that prevented the right integration name to be used when trying to patch a module on import that is already loaded.
• Fix urllib3 patching not properly activating the integration.
• gRPC client spans are now marked as measured by default.
• Fixes issue of unfinished spans when response is not a grpc.Future but has the same interface, as is the case with the base future class in google-api-core.
• In certain circumstances, the profiles generated in a uWSGI application could have been empty. This is now fixed and the profiler records correctly the generated events.
• The default agent timeout for profiling has been restored from 2 to 10 seconds to avoid too many profiles from being dropped.
• Fix issue with missing traces when using pymemcache.client.hash.HashClient.
• Added missing pymongo integration configuration, which allows overriding the service name for all the emitted spans.

Other Notes

• Added environment variable DD_BOTTLE_DISTRIBUTED_TRACING to enable distributed tracing for bottle.
• The attrs library has been unvendored and is now required as a normal Python dependency with a minimum version requirement of 19.2.0.
• The six library has been removed from vendor and the system-wide version is being used. It requires version 1.12.0 or later.
• Documentation on how to use Gunicorn with the gevent worker class has been added.
• Added environment variable DD_FALCON_DISTRIBUTED_TRACING to enable distributed tracing for falcon.
• When extracting context information from HTTP headers, a new context is created when the trace ID is either 0 or not available within the headers.
• Added environment variable DD_PYLONS_DISTRIBUTED_TRACING to enable distributed tracing for pylons.
• Update pymemcache test suite to test latest versions.
• Added config.pyramid.distributed_tracing setting to integration config for pyramid.
• Removed ddtrace.ext.AppTypes and its usages in the tracer library.
• The ddtrace.payload submodule has been removed.
• Added environment variable DD_TORNADO_DISTRIBUTED_TRACING to enable distributed tracing for tornado.

v0.48.4

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Release Notes

v0.48.4

Bug Fixes

• grpc: handle None values for span tags.
• grpc: Add done callback in streaming response to avoid unfinished spans if a StopIteration is never raised, as is found in the Google Cloud libraries.

v0.48.3

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Bug Fixes

• grpc: handle no package in fully qualified method.
• grpc: handle IPv6 addresses and no port in target.
• grpc: client spans are now marked as measured by default.
• grpc: fix issue of unfinished spans when response is not a grpc.Future but has the same interface, as is the case with the base future class in google-api-core.

v0.48.2

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Bug Fixes

• The default agent timeout for profiling has been restored from 2 to 10 seconds to avoid too many profiles from being dropped.

v0.48.1

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Bug Fixes

• Fix urllib3 patching not properly activating the integration.
• In certain circumstances, the profiles generated in a uWSGI application could have been empty. This is now fixed and the profiler records correctly the generated events.

v0.48.0

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New Features

• dogpile.cache is now automatically instrumented by default.
• The Pylons now supports all the standard http tagging including query string, custom error codes, and request/response headers.
• The ddtrace pytest plugin can now call ddtrace.patch_all via the --ddtrace-patch-all option.
• Span now accepts a on_finish argument used for specifying functions to call when a span finishes.
• Adds support for the Datadog Lambda Extension. The tracer will send traces to the extension by default if it is present.
• Add support for space-separated DD_TAGS.
• Add urllib3 integration.

Upgrade Notes

• The deprecated dogstatsd_host and dogstatsd_port arguments to tracer.configure() have been removed.
• Support for gevent 1.0 has been removed and gevent >= 1.1 is required.
• flask: deprecated configuration option extra_error_codes has been removed.
• The deprecated pyddprofile wrapper has been removed. Use ddtrace-run with DD_PROFILING_ENABLED=1 set instead.
• A ValueError will now be raised on tracer initialization if the Agent URL specified to the initializer or with the environment variable DD_TRACE_AGENT_URL is malformed.
• uWSGI is no longer supported with ddtrace-run due to a limitation of how tracer initialization occurs. See the updated instructions for enabling tracing in the library uWSGI documentation<uwsgi>.
• The unused ddtrace.api module has been removed.

Bug Fixes

• The Records parameter to Firehose endpoint calls is being excluded from the tags to avoid generating traces with a large payload.
• Tracer: fix configuring tracer with dogstatsd url.
• elasticsearch: patch versioned elasticsearch modules (elasticsearch1, ..., elasticsearch7).
• botocore: Do not assume that ResponseMeta exists in the results.
• django: handle erroneous middleware gracefully.
• The tracer now captures the task ID from the cgroups file for Fargate >= 1.4.0 and reports it to the agent as the Datadog-Container-ID tag.
• Fix a bug when tracing a mako DefTemplate or any Template that does not have a filename property.
• flask: fix a bug when the query string would contain non-Unicode characters.
• Fix a formatting issue on error exporting profiles.
• A workaround is provided for the problem with uWSGI worker processes failing to respawn. This can occur when using ddtrace-run for automatic instrumentation and configuration or manual instrumentation and configuration without the necessary uWSGI options. The problem is caused by how the tracer can end up starting threads in the master process before uWSGI forks to initialize the workers processes. To avoid this, we have provided updated instructions for enabling tracing in the library uWSGI documentation.

Other Notes

• The logic behind the header extraction for distributed tracing has been improved.
• The default connection timeout for the profiling agent has now been reduced from 10 to 2 seconds to match the tracer behavior.
• The tracemalloc memory profiler, which was disabled by default, has been removed.
• Query strings are stripped out from URLs by default when setting URL metadata on a span. This change affects all integrations that store HTTP metadata, like aiohttp, falcon, requests, urllib3.

v0.47.0

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v0.47.0

Upgrade Notes

• The profiler now automatically sets up uWSGI compatibility in auto mode or with profile_children=True. Make sure that you don't have custom code instrumenting the profiler in those cases.
• The Tracer class properties DEFAULT_HOSTNAME, DEFAULT_PORT, DEFAULT_DOGSTATSD_PORT, DEFAULT_DOGSTATSD_URL, DEFAULT_AGENT_URL have been removed.
• elasticsearch: removed get_traced_transport method and ddtrace.contrib.elasticsearch.transport module.

New Features

• cherrypy: introduce TraceMiddleware for the CherryPy web framework.
• django: tag root spans as measured.
• elasticsearch: add support for version 7.
• fastapi: add integration.
• Introduce support for the DD_SERVICE_MAPPING environment variable to allow remapping service names on emitted spans.
• httplib: distributed tracing is now enabled by default.
• The profiler now supports most operation mode from uWSGI without much configuration. It will automatically plug itself in post fork hooks when multiprocess mode is used.
• wsgi: add tracing middleware.

Bug Fixes

• Resolves an issue in Django tracing where, if query_string is not present in request.META, a KeyError is raised, causing the request to 500
• Deprecate the DD_LOGGING_RATE_LIMIT variable in favor of the standard DD_TRACE_LOGGING_RATE for configuring the logging rate limit.
• sampler: removed bug causing sample_rate of 0 to be reset to 1, and raise ValueError instead of logging.
• starlette: unpatch calls correctly.
• flask: fix memory leak of sampled out traces.
• Fix CPU time and wall time profiling not ignoring the profiler tasks with gevent.

Other Notes

• The default maximum CPU time used for the stack profiler (CPU time, wall time and exceptions profiling) has been decreased from 2% to 1%.

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