• /
  • EnglishEspañol日本語한국어Português
  • Inicia sesiónComenzar ahora

Python agent release notesRSS

December 3, 2018
Python agent v4.8.0.110

Notes

This release of the Python agent adds support for Falcon framework, and includes various bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Features

  • Add support for Falcon web framework

    This release adds support for the Falcon web framework. Data will now be automatically collected for applications using Falcon framework. The data will appear in both APM and Insights and will include performance details as well as information on application errors.

Bug Fixes

  • "newrelic-admin record_deploy" now functions with proxies.

    The newrelic-admin recorddeploy command previously did not function when a proxy was defined by the newrelic.ini configuration file or the `NEW_RELIC_PROXY*` environment variables. This bug has now been fixed.

  • Cross Application Tracing HTTP response headers were inserted on a 304 response

    When cross application tracing is enabled and the agent received a HTTP request from an application utilizing cross application tracing, the agent may have inserted additional response headers on a 304 HTTP response. The agent will no longer insert headers on a 304 response.

November 12, 2018
Python agent v4.6.0.106

Notes

This release of the Python agent includes changes to the agent to enable monitoring of Lambda functions, improves the built-in Sanic instrumentation, and includes various bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Features

  • Monitoring of Lambda functions

    This release includes changes to the agent to enable monitoring of Lambda functions. If you are interested in learning more or previewing New Relic Lambda monitoring please email lambda_preview@newrelic.com.

  • Improve naming of Sanic HTTPMethodView view handlers

    Sanic views that were defined using the HTTPMethodView class were previously all named HTTPMethodView.as_view.<locals>.view regardless of the actual class in use. The agent will now name transactions after the actual view handler class.

Bug Fixes

  • Fix ignored error reporting in CherryPy instrumention

    When missing query parameters, unexpected query parameters, unexpected positional arguments, or duplicate arguments were present in the CherryPy framework, a TypeError exception was recorded even when an ignored response status code (such as a 404) was generated. An error is no longer recorded when it results in the generation of an ignored status code.

  • Excluding request.uri from transaction trace attributes hides it in the UI

    When request.uri is added to either attributes.exclude or transaction_tracer.attributes.exclude, the value will now no longer be sent to New Relic.

  • Ability to disable sending request.uri as part of error traces

    When request.uri is added to either attributes.exclude or error_collector.attributes.exclude, the value will now no longer be sent to New Relic.

  • Fix tracing of functions returning generators

    When tracing generators whose parent traces have ended an error was seen in the logs "Transaction ended but current_node is not Sentinel." This has now been fixed.

September 24, 2018
Python agent v4.4.1.104

Notes

This release of the Python agent contains bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Bug Fixes

  • The creation of sampled events sometimes raised an exception in Python 3

    When more events (Transaction, Transaction Error, Custom, or Span) were created than allowed per harvest period in Python 3, sometimes a TypeError: '<' not supported between instances of 'dict' and 'dict' was raised. This issue has now been fixed.

September 11, 2018
Python agent v4.4.0.103

Notes

This release of the Python agent introduces instrumentation for Sanic, and contains bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Features

  • Add instrumentation for Sanic framework

    Data is now automatically collected for applications using the Sanic framework. Data for Sanic applications will appear in both APM and Insights. Additionally, cross application tracing and distributed tracing is supported for incoming requests for Sanic applications. In addition to service maps, Sanic applications will now show the calling application in transaction traces. See the instrumented packages page for more details.

Bug Fixes

  • Explain plans were not generated when using psycopg2 named cursors

    When using named cursors in psycopg2, the agent attempted to generate an explain plan using the same named cursor. This resulted in a syntax error when the query was issued to the database. When using the default connection and cursor factories, the agent will now execute the explain query using only unnamed cursors.

  • Convert bytes-like SQL statements to strings before obfuscating

    If a bytes-like object is used instead of a string when making a SQL call, a traceback was seen in the logs with TypeError: cannot use a string pattern on a bytes-like object. This issue has now been fixed.

  • Save settings to MessageTrace objects

    If an external call using an instrumented http external library (for example requests) was used within a MessageTrace, a traceback was seen in the logs with AttributeError: 'MessageTrace' object has no attribute 'settings'. This issue has now been fixed.

July 31, 2018
Python agent v4.2.0.100

Notes

This release of the Python agent introduces distributed tracing, adds improvement to our Pyramid instrumentation, adds support for custom CA bundles, and contains bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Features

  • Distributed tracing support

    Distributed tracing lets you see the path that a request takes as it travels through your distributed system. By showing the distributed activity through a unified view, you can troubleshoot and understand a complex system better than ever before.

    Distributed tracing is available with an APM Pro or equivalent subscription. To see a complete distributed trace, you need to enable the feature on a set of neighboring services. Enabling distributed tracing changes the behavior of some New Relic features, so carefully consult the transition guide before you enable this feature.

    To enable distributed tracing, add distributed_tracing.enabled = true to your newrelic.ini file or use the environment variable NEW_RELIC_DISTRIBUTED_TRACING_ENABLED=true.

  • Add support for tracing Pyramid tweens

    Pyramid tweens are now automatically timed and added to the transaction detail view. The time spent in a Pyramid tween will be displayed in the transaction breakdown table and in the trace details of a transaction trace.

  • Provide configuration option for custom CA bundle

    Customers can now use the ca_bundle_path configuration option or set the NEW_RELIC_CA_BUNDLE_PATH environment variable to set the path to a local CA bundle. This CA bundle will be used to validate the SSL certificate presented by New Relic's data collection service.

Bug Fixes

  • Custom Insights event data attached to transactions in excess of 100 events were omitted

    The agent may have failed to send custom event data (record_custom_event) to insights when recorded as part of a Transaction containing over 100 custom events. This issue has now been corrected.

July 23, 2018
Python agent v4.0.0.99

Notes

This release of the Python agent removes previously deprecated APIs, and removes support for Python 2.6 and Python 3.3.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Deprecations

  • Removed previously deprecated APIs

    The following APIs have been removed:

    • Transaction.add_user_attribute (use Transaction.add_custom_parameter)
    • Transaction.add_user_attributes (use Transaction.add_custom_parameters)
    • wrap_callable (use FunctionWrapper)
  • Removed support for Python 2.6 and Python 3.3

    Python 2.6 and Python 3.3 are no longer supported. Please consider upgrading your application to a supported version of Python in order to continue to receive updates to the Python Agent.

July 12, 2018
Python agent v3.4.0.95

Notes

This release of the Python agent adds support for Python 3.7 and contains various bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

New Features

  • Support Python 3.7

    The New Relic Python Agent now supports Python 3.7.

Bug Fixes

  • Agent raises a KeyError: 'NEW_RELIC_ADMIN_COMMAND' exception causing a crash

    Under certain conditions, using the newrelic-admin wrapper script could cause an application to crash shortly after startup with a KeyError exception. The cause of the crash has been addressed.

  • Agent raises an AttributeError on Python 3 when using WSGI overrides with multiple app names

    When using WSGI environ overrides to specify multiple app names as described in the docs https://docs.newrelic.com/docs/agents/manage-apm-agents/app-naming/use-m... the agent will raise an AttributeError. This error has been corrected.

  • Agent raises an AttributeError exception under rare conditions when halting a trace

    Under certain rare conditions, the agent might raise an exception when trying to trace an external call in a transaction that has been forcibly halted. The cause of the exception has been addressed.

  • Agent raises a RuntimeError exception under particular conditions when using the Tornado r3 instrumentation

    When attempting to yield many times from a wrapped tornado.gen.coroutine when using Tornado's r3 instrumentation, a RuntimeError due to hitting the maximum recursion limit can occur. The cause of this exception has been patched.

June 11, 2018
Python agent v3.2.2.94

Notes

This release of the Python agent contains various bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Bug Fixes

  • Improved handling of celery max-tasks-per-child

    Data recorded by the Python Agent may not have been reported when celery was operated with the max-tasks-per-child setting. All data is now reported independent of the max tasks per child setting.

  • Improve support for PyMongo v3.x

    PyMongo v3 added many new methods on the pymongo.Collection object that did not exist in v2. These methods have now been instrumented. Calls to these methods will now appear in APM.

  • Scheduling tasks that run after a transaction ends causes an error

    Coroutines scheduled to execute after a transaction ends using create_task or ensure_future may have caused the runtime instrumentation error and subsequent crash:

    The transaction already completed meaning a child called complete trace after the trace had been finalized.

    Coroutines that execute beyond the end of a transaction will no longer cause an error.

May 16, 2018
Python agent v3.2.1.93

Notes

This release of the Python agent contains various bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Bug Fixes

  • Do not run explain plans for psycopg2 connections using the async_ kwarg

    As "async" is now a keyword in Python 3.7, psycopg2 now allows "async_" as an alias for its "async" kwarg for psycopg2.connect as of psycopg2 v2.7.4. Previously, explain plans were attempted for these connections and a traceback would be seen in the logs. This has now been fixed.

  • Fix traceback when using callbacks as partials in pika consumers

    When passing a callback that is a functools partial to pika channel consumers, a traceback occurred in some instances. This issue has now been fixed.

  • cx_Oracle database calls that use SessionPool objects were not recorded

    When using the cx_Oracle SessionPool interace, database transactions made through the acquired pool connection may not have been reported. Database transactions that using connections generated by SessionPool are now reported as expected.

  • SQL targets for call statements may contain a period

    For a SQL command like CALL foo.bar(:baz), APM would show metrics under the target name foo instead of the full name foo.bar. This has been fixed.

April 4, 2018
Python agent v3.2.0.91

Notes

This release of the Python agent adds the request.uri attribute on transaction events in insights, adds built-in cheroot instrumentation, adds support for recording flask-restful/flask-restplus exceptions, and contains bug fixes.

The agent can be installed using easy_install/pip/distribute via the Python Package Index or can be downloaded directly from the New Relic download site.

Improved Features

  • Add request.uri attribute to transaction and error events

    The Python agent will now report request.uri as an attribute on transaction events and error events. To disable this feature, add request.uri to the attributes.exclude list in the newrelic.ini configuration file.

  • Record Flask RESTful and Flask RestPlus exceptions

    Since Flask RESTful and Flask RestPlus handle all errors that are raised in their handlers, these errors were not being captured by the normal Flask instrumentation in the Python agent. Exception handling has now been added for these two components.

  • Add instrumentation hooks for the Cheroot WSGI server

    Any customers using Cheroot with an unsupported application framework will now see data reported in New Relic APM.

Bug Fixes

  • Fix CherryPy ignore by status code for exceptions using reason phrases

    CherryPy accepts string values for HTTPError status (reason phrases). When creating HTTPError exceptions in this way, responses were not properly ignored by status code. Responses generated by HTTPError exceptions using reason phrases are now properly ignored.

  • Using send_file with Flask Compress middleware may have caused an application crash

    When using browser monitoring auto instrumentation on an application using Flask Compress, the use of the Flask send_file helper to send html files resulted in an application crash. This issue has now been resolved.

  • Fix incorrect parenting for traces of coroutines scheduled with asyncio gather/ensure_future

    Coroutines scheduled with asyncio gather/ensure_future may have been reported as being a child of the wrong function. This issue has now been corrected.

Copyright © 2025 New Relic Inc.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.