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django-structlog-5.1.0
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مشاهده بیشترتوضیحات
Structured Logging for Django
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | django-structlog-5.1.0 |
| نام | django-structlog |
| نسخه کتابخانه | 5.1.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | - |
| ایمیل نویسنده | Jules Robichaud-Gagnon <j.robichaudg+pypi@gmail.com> |
| آدرس صفحه اصلی | - |
| آدرس اینترنتی | https://pypi.org/project/django-structlog/ |
| مجوز | MIT |
.. inclusion-marker-introduction-begin
django-structlog
================
| |pypi| |wheels| |build-status| |docs| |coverage| |open_issues| |pull_requests|
| |django| |python| |license| |black|
| |watchers| |stars| |forks|
.. |build-status| image:: https://github.com/jrobichaud/django-structlog/actions/workflows/main.yml/badge.svg?branch=master
:target: https://github.com/jrobichaud/django-structlog/actions
:alt: Build Status
.. |pypi| image:: https://img.shields.io/pypi/v/django-structlog.svg
:target: https://pypi.org/project/django-structlog/
:alt: PyPI version
.. |docs| image:: https://readthedocs.org/projects/django-structlog/badge/?version=latest
:target: https://django-structlog.readthedocs.io/en/latest/?badge=latest
:alt: Documentation Status
.. |coverage| image:: https://img.shields.io/codecov/c/github/jrobichaud/django-structlog.svg
:target: https://codecov.io/gh/jrobichaud/django-structlog
:alt: codecov
.. |python| image:: https://img.shields.io/pypi/pyversions/django-structlog.svg
:target: https://pypi.org/project/django-structlog/
:alt: Supported Python versions
.. |license| image:: https://img.shields.io/pypi/l/django-structlog.svg
:target: https://github.com/jrobichaud/django-structlog/blob/master/LICENSE.rst
:alt: License
.. |open_issues| image:: https://img.shields.io/github/issues/jrobichaud/django-structlog.svg
:target: https://github.com/jrobichaud/django-structlog/issues
:alt: GitHub issues
.. |django| image:: https://img.shields.io/pypi/djversions/django-structlog.svg
:target: https://pypi.org/project/django-structlog/
:alt: PyPI - Django Version
.. |pull_requests| image:: https://img.shields.io/github/issues-pr/jrobichaud/django-structlog.svg
:target: https://github.com/jrobichaud/django-structlog/pulls
:alt: GitHub pull requests
.. |forks| image:: https://img.shields.io/github/forks/jrobichaud/django-structlog.svg?style=social
:target: https://github.com/jrobichaud/django-structlog/
:alt: GitHub forks
.. |stars| image:: https://img.shields.io/github/stars/jrobichaud/django-structlog.svg?style=social
:target: https://github.com/jrobichaud/django-structlog/
:alt: GitHub stars
.. |watchers| image:: https://img.shields.io/github/watchers/jrobichaud/django-structlog.svg?style=social
:target: https://github.com/jrobichaud/django-structlog/
:alt: GitHub watchers
.. |wheels| image:: https://img.shields.io/pypi/wheel/django-structlog.svg
:target: https://pypi.org/project/django-structlog/
:alt: PyPI - Wheel
.. |black| image:: https://img.shields.io/badge/code%20style-black-000000.svg
:target: https://github.com/python/black
:alt: Black
django-structlog is a structured logging integration for `Django <https://www.djangoproject.com/>`_ project using `structlog <https://www.structlog.org/>`_
Logging will then produce additional cohesive metadata on each logs that makes it easier to track events or incidents.
Additional Popular Integrations
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
`Django REST framework <https://www.django-rest-framework.org/>`_
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
``Django REST framework`` is supported by default. But when using it with ``rest_framework.authentication.TokenAuthentication`` (or other DRF authentications) ``user_id`` will be only be in ``request_finished`` and ``request_failed`` instead of each logs.
See `#37 <https://github.com/jrobichaud/django-structlog/issues/37>`_ for details.
`Celery <http://www.celeryproject.org/>`_
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Celery's task logging requires additional configurations, see `documentation <https://django-structlog.readthedocs.io/en/latest/celery.html>`_ for details.
Logging comparison
^^^^^^^^^^^^^^^^^^
Standard logging:
~~~~~~~~~~~~~~~~~
.. code-block:: python
>>> import logging
>>> logger = logging.get_logger(__name__)
>>> logger.info("An error occurred")
.. code-block:: bash
An error occurred
Well... ok
With django-structlog and flat_line:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code-block:: python
>>> import structlog
>>> logger = structlog.get_logger(__name__)
>>> logger.info("an_error_occurred", bar="Buz")
.. code-block:: bash
timestamp='2019-04-13T19:39:31.089925Z' level='info' event='an_error_occurred' logger='my_awesome_project.my_awesome_module' request_id='3a8f801c-072b-4805-8f38-e1337f363ed4' user_id=1 ip='0.0.0.0' bar='Buz'
Then you can search with commands like:
.. code-block:: bash
$ cat logs/flat_line.log | grep request_id='3a8f801c-072b-4805-8f38-e1337f363ed4'
With django-structlog and json
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code-block:: python
>>> import structlog
>>> logger = structlog.get_logger(__name__)
>>> logger.info("an_error_occurred", bar="Buz")
.. code-block:: json
{"request_id": "3a8f801c-072b-4805-8f38-e1337f363ed4", "user_id": 1, "ip": "0.0.0.0", "event": "an_error_occurred", "timestamp": "2019-04-13T19:39:31.089925Z", "logger": "my_awesome_project.my_awesome_module", "level": "info", "bar": "Buz"}
Then you can search with commands like:
.. code-block:: bash
$ cat logs/json.log | jq '.[] | select(.request_id="3a8f801c-072b-4805-8f38-e1337f363ed4")' -s
.. inclusion-marker-introduction-end
.. inclusion-marker-getting-started-begin
Getting Started
===============
These steps will show how to integrate the middleware to your awesome application.
Installation
^^^^^^^^^^^^
Install the library
.. code-block:: bash
pip install django-structlog
Add middleware
.. code-block:: python
MIDDLEWARE = [
# ...
'django_structlog.middlewares.RequestMiddleware',
]
Add appropriate structlog configuration to your ``settings.py``
.. code-block:: python
import structlog
LOGGING = {
"version": 1,
"disable_existing_loggers": False,
"formatters": {
"json_formatter": {
"()": structlog.stdlib.ProcessorFormatter,
"processor": structlog.processors.JSONRenderer(),
},
"plain_console": {
"()": structlog.stdlib.ProcessorFormatter,
"processor": structlog.dev.ConsoleRenderer(),
},
"key_value": {
"()": structlog.stdlib.ProcessorFormatter,
"processor": structlog.processors.KeyValueRenderer(key_order=['timestamp', 'level', 'event', 'logger']),
},
},
"handlers": {
"console": {
"class": "logging.StreamHandler",
"formatter": "plain_console",
},
"json_file": {
"class": "logging.handlers.WatchedFileHandler",
"filename": "logs/json.log",
"formatter": "json_formatter",
},
"flat_line_file": {
"class": "logging.handlers.WatchedFileHandler",
"filename": "logs/flat_line.log",
"formatter": "key_value",
},
},
"loggers": {
"django_structlog": {
"handlers": ["console", "flat_line_file", "json_file"],
"level": "INFO",
},
# Make sure to replace the following logger's name for yours
"django_structlog_demo_project": {
"handlers": ["console", "flat_line_file", "json_file"],
"level": "INFO",
},
}
}
structlog.configure(
processors=[
structlog.contextvars.merge_contextvars,
structlog.stdlib.filter_by_level,
structlog.processors.TimeStamper(fmt="iso"),
structlog.stdlib.add_logger_name,
structlog.stdlib.add_log_level,
structlog.stdlib.PositionalArgumentsFormatter(),
structlog.processors.StackInfoRenderer(),
structlog.processors.format_exc_info,
structlog.processors.UnicodeDecoder(),
structlog.stdlib.ProcessorFormatter.wrap_for_formatter,
],
logger_factory=structlog.stdlib.LoggerFactory(),
cache_logger_on_first_use=True,
)
Start logging with ``structlog`` instead of ``logging``.
.. code-block:: python
import structlog
logger = structlog.get_logger(__name__)
.. _django_signals:
Extending Request Log Metadata
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
By default only a ``request_id`` and the ``user_id`` are bound from the request but pertinent log metadata may vary from a project to another.
If you need to add more metadata from the request you can implement a convenient signal receiver to bind them. You can also override existing bound metadata the same way.
.. code-block:: python
from django.dispatch import receiver
from django_structlog.signals import bind_extra_request_metadata
import structlog
@receiver(bind_extra_request_metadata)
def bind_user_email(request, logger, **kwargs):
structlog.contextvars.bind_contextvars(user_email=getattr(request.user, 'email', ''))
Standard Loggers
^^^^^^^^^^^^^^^^
It is also possible to log using standard python logger.
In your formatters, add the ``foreign_pre_chain`` section, and then add ``structlog.contextvars.merge_contextvars``:
.. code-block:: python
LOGGING = {
"version": 1,
"disable_existing_loggers": False,
"formatters": {
"json_formatter": {
"()": structlog.stdlib.ProcessorFormatter,
"processor": structlog.processors.JSONRenderer(),
# Add this section:
"foreign_pre_chain": [
structlog.contextvars.merge_contextvars, # <---- add this
# customize the rest as you need
structlog.processors.TimeStamper(fmt="iso"),
structlog.stdlib.add_logger_name,
structlog.stdlib.add_log_level,
structlog.stdlib.PositionalArgumentsFormatter(),
],
},
},
...
}
.. inclusion-marker-getting-started-end
.. inclusion-marker-example-outputs-begin
Example outputs
===============
Flat lines file (\ ``logs/flat_lines.log``\ )
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. code-block:: bash
timestamp='2019-04-13T19:39:29.321453Z' level='info' event='request_started' logger='django_structlog.middlewares.request' request_id='c53dff1d-3fc5-4257-a78a-9a567c937561' user_id=1 ip='0.0.0.0' request=GET / user_agent='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'
timestamp='2019-04-13T19:39:29.345207Z' level='info' event='request_finished' logger='django_structlog.middlewares.request' request_id='c53dff1d-3fc5-4257-a78a-9a567c937561' user_id=1 ip='0.0.0.0' code=200
timestamp='2019-04-13T19:39:31.086155Z' level='info' event='request_started' logger='django_structlog.middlewares.request' request_id='3a8f801c-072b-4805-8f38-e1337f363ed4' user_id=1 ip='0.0.0.0' request=POST /success_task user_agent='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'
timestamp='2019-04-13T19:39:31.089925Z' level='info' event='Enqueuing successful task' logger='django_structlog_demo_project.home.views' request_id='3a8f801c-072b-4805-8f38-e1337f363ed4' user_id=1 ip='0.0.0.0'
timestamp='2019-04-13T19:39:31.147590Z' level='info' event='task_enqueued' logger='django_structlog.middlewares.celery' request_id='3a8f801c-072b-4805-8f38-e1337f363ed4' user_id=1 ip='0.0.0.0' child_task_id='6b11fd80-3cdf-4de5-acc2-3fd4633aa654'
timestamp='2019-04-13T19:39:31.153081Z' level='info' event='This is a successful task' logger='django_structlog_demo_project.taskapp.celery' task_id='6b11fd80-3cdf-4de5-acc2-3fd4633aa654' request_id='3a8f801c-072b-4805-8f38-e1337f363ed4' user_id=1 ip='0.0.0.0'
timestamp='2019-04-13T19:39:31.160043Z' level='info' event='request_finished' logger='django_structlog.middlewares.request' request_id='3a8f801c-072b-4805-8f38-e1337f363ed4' user_id=1 ip='0.0.0.0' code=201
timestamp='2019-04-13T19:39:31.162372Z' level='info' event='task_succeed' logger='django_structlog.middlewares.celery' task_id='6b11fd80-3cdf-4de5-acc2-3fd4633aa654' request_id='3a8f801c-072b-4805-8f38-e1337f363ed4' user_id=1 ip='0.0.0.0' result='None'
Json file (\ ``logs/json.log``\ )
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. code-block:: json
{"request_id": "c53dff1d-3fc5-4257-a78a-9a567c937561", "user_id": 1, "ip": "0.0.0.0", "request": "GET /", "user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36", "event": "request_started", "timestamp": "2019-04-13T19:39:29.321453Z", "logger": "django_structlog.middlewares.request", "level": "info"}
{"request_id": "c53dff1d-3fc5-4257-a78a-9a567c937561", "user_id": 1, "ip": "0.0.0.0", "code": 200, "event": "request_finished", "timestamp": "2019-04-13T19:39:29.345207Z", "logger": "django_structlog.middlewares.request", "level": "info"}
{"request_id": "3a8f801c-072b-4805-8f38-e1337f363ed4", "user_id": 1, "ip": "0.0.0.0", "request": "POST /success_task", "user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36", "event": "request_started", "timestamp": "2019-04-13T19:39:31.086155Z", "logger": "django_structlog.middlewares.request", "level": "info"}
{"request_id": "3a8f801c-072b-4805-8f38-e1337f363ed4", "user_id": 1, "ip": "0.0.0.0", "event": "Enqueuing successful task", "timestamp": "2019-04-13T19:39:31.089925Z", "logger": "django_structlog_demo_project.home.views", "level": "info"}
{"request_id": "3a8f801c-072b-4805-8f38-e1337f363ed4", "user_id": 1, "ip": "0.0.0.0", "child_task_id": "6b11fd80-3cdf-4de5-acc2-3fd4633aa654", "event": "task_enqueued", "timestamp": "2019-04-13T19:39:31.147590Z", "logger": "django_structlog.middlewares.celery", "level": "info"}
{"task_id": "6b11fd80-3cdf-4de5-acc2-3fd4633aa654", "request_id": "3a8f801c-072b-4805-8f38-e1337f363ed4", "user_id": 1, "ip": "0.0.0.0", "event": "This is a successful task", "timestamp": "2019-04-13T19:39:31.153081Z", "logger": "django_structlog_demo_project.taskapp.celery", "level": "info"}
{"request_id": "3a8f801c-072b-4805-8f38-e1337f363ed4", "user_id": 1, "ip": "0.0.0.0", "code": 201, "event": "request_finished", "timestamp": "2019-04-13T19:39:31.160043Z", "logger": "django_structlog.middlewares.request", "level": "info"}
{"task_id": "6b11fd80-3cdf-4de5-acc2-3fd4633aa654", "request_id": "3a8f801c-072b-4805-8f38-e1337f363ed4", "user_id": 1, "ip": "0.0.0.0", "result": "None", "event": "task_succeed", "timestamp": "2019-04-13T19:39:31.162372Z", "logger": "django_structlog.middlewares.celery", "level": "info"}
.. inclusion-marker-example-outputs-end
.. inclusion-marker-upgrade-guide-begin
Upgrade Guide
=============
.. _upgrade_5.0:
Upgrading to 5.0+
^^^^^^^^^^^^^^^^^
Minimum requirements
~~~~~~~~~~~~~~~~~~~~
- requires asgiref 3.6+
Change you may need to do
~~~~~~~~~~~~~~~~~~~~~~~~~
Make sure you use ``django_structlog.middlewares.RequestMiddleware``
--------------------------------------------------------------------
If you used any of the experimental async or sync middlewares, you do not need to anymore.
Make sure you use ``django_structlog.middlewares.RequestMiddleware`` instead of any of the other request middlewares commented below:
.. code-block:: python
MIDDLEWARE += [
# "django_structlog.middlewares.request_middleware_router", # <- remove
# "django_structlog.middlewares.requests.SyncRequestMiddleware", # <- remove
# "django_structlog.middlewares.requests.AsyncRequestMiddleware", # <- remove
"django_structlog.middlewares.RequestMiddleware", # <- make sure you use this one
"django_structlog.middlewares.CeleryMiddleware",
]
They will be removed in another major version.
.. _upgrade_4.0:
Upgrading to 4.0+
^^^^^^^^^^^^^^^^^
``django-structlog`` drops support of django below 3.2.
Minimum requirements
~~~~~~~~~~~~~~~~~~~~
- requires django 3.2+
- requires python 3.7+
- requires structlog 21.4.0+
- (optionally) requires celery 5.1+
Changes if you use ``celery``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
You can now install ``django-structlog`` explicitly with ``celery`` extra in order to validate the compatibility with your version of ``celery``.
.. code-block:: bash
django-structlog[celery]==4.0.0
See `Installing “Extras” <https://packaging.python.org/en/latest/tutorials/installing-packages/#installing-extras>`_ for more information about this ``pip`` feature.
.. _upgrade_3.0:
Upgrading to 3.0+
^^^^^^^^^^^^^^^^^
``django-structlog`` now use `structlog.contextvars.bind_contextvars <https://www.structlog.org/en/stable/contextvars.html>`_ instead of ``threadlocal``.
Minimum requirements
~~~~~~~~~~~~~~~~~~~~
- requires python 3.7+
- requires structlog 21.4.0+
Changes you need to do
~~~~~~~~~~~~~~~~~~~~~~
1. Update structlog settings
----------------------------
- add ``structlog.contextvars.merge_contextvars`` as first ``processors``
- remove ``context_class=structlog.threadlocal.wrap_dict(dict),``
- (if you use standard loggers) add ``structlog.contextvars.merge_contextvars`` in `foreign_pre_chain`
- (if you use standard loggers) remove ``django_structlog.processors.inject_context_dict,``
.. code-block:: python
structlog.configure(
processors=[
structlog.contextvars.merge_contextvars, # <---- add this
structlog.stdlib.filter_by_level,
structlog.processors.TimeStamper(fmt="iso"),
structlog.stdlib.add_logger_name,
structlog.stdlib.add_log_level,
structlog.stdlib.PositionalArgumentsFormatter(),
structlog.processors.StackInfoRenderer(),
structlog.processors.format_exc_info,
structlog.processors.UnicodeDecoder(),
structlog.stdlib.ProcessorFormatter.wrap_for_formatter,
],
# context_class=structlog.threadlocal.wrap_dict(dict), # <---- remove this
logger_factory=structlog.stdlib.LoggerFactory(),
cache_logger_on_first_use=True,
)
# If you use standard logging
LOGGING = {
"version": 1,
"disable_existing_loggers": False,
"formatters": {
"json_formatter": {
"()": structlog.stdlib.ProcessorFormatter,
"processor": structlog.processors.JSONRenderer(),
"foreign_pre_chain": [
structlog.contextvars.merge_contextvars, # <---- add this
# django_structlog.processors.inject_context_dict, # <---- remove this
structlog.processors.TimeStamper(fmt="iso"),
structlog.stdlib.add_logger_name,
structlog.stdlib.add_log_level,
structlog.stdlib.PositionalArgumentsFormatter(),
],
},
},
...
}
2. Replace all ``logger.bind`` with ``structlog.contextvars.bind_contextvars``
------------------------------------------------------------------------------
.. code-block:: python
@receiver(bind_extra_request_metadata)
def bind_user_email(request, logger, **kwargs):
# logger.bind(user_email=getattr(request.user, 'email', ''))
structlog.contextvars.bind_contextvars(user_email=getattr(request.user, 'email', ''))
.. _upgrade_2.0:
Upgrading to 2.0+
^^^^^^^^^^^^^^^^^
``django-structlog`` was originally developed using the debug configuration `ExceptionPrettyPrinter <https://www.structlog.org/en/stable/api.html#structlog.processors.ExceptionPrettyPrinter>`_ which led to incorrect handling of exception.
- remove ``structlog.processors.ExceptionPrettyPrinter(),`` of your processors.
- make sure you have ``structlog.processors.format_exc_info,`` in your processors if you want appropriate exception logging.
.. inclusion-marker-upgrade-guide-end
.. inclusion-marker-running-tests-begin
Running the tests
=================
Note: For the moment redis is needed to run the tests. The easiest way is to start docker demo's redis.
.. code-block:: bash
docker compose up -d redis
pip install -r requirements.txt
env CELERY_BROKER_URL=redis://0.0.0.0:6379 DJANGO_SETTINGS_MODULE=config.settings.test pytest test_app
env CELERY_BROKER_URL=redis://0.0.0.0:6379 DJANGO_SETTINGS_MODULE=config.settings.test_demo_app pytest django_structlog_demo_project
docker compose stop redis
.. inclusion-marker-running-tests-end
.. inclusion-marker-demo-begin
Demo app
========
.. code-block:: bash
docker compose up --build
Open ``http://127.0.0.1:8000/`` in your browser.
Navigate while looking into the log files and shell's output.
.. inclusion-marker-demo-end
.. inclusion-marker-authors-begin
Authors
=======
* **Jules Robichaud-Gagnon** - *Initial work* - `jrobichaud <https://github.com/jrobichaud>`_
See also the list of `contributors <https://github.com/jrobichaud/django-structlog/contributors>`_ who participated in this project.
.. inclusion-marker-authors-end
.. inclusion-marker-acknowledgements-begin
Acknowledgments
===============
* Big thanks to `@ferd <https://github.com/ferd>`_ for his `bad opinions <https://ferd.ca/erlang-otp-21-s-new-logger.html>`_ that inspired the author enough to spend time on this library.
* `This issue <https://github.com/hynek/structlog/issues/175>`_ helped the author to figure out how to integrate ``structlog`` in Django.
* `This stack overflow question <https://stackoverflow.com/questions/43855507/configuring-and-using-structlog-with-django>`_ was also helpful.
.. inclusion-marker-acknowledgements-end
License
=======
This project is licensed under the MIT License - see the `LICENSE <https://github.com/jrobichaud/django-structlog/blob/master/LICENSE.rst>`_ file for details
نیازمندی
| مقدار | نام |
|---|---|
| >=3.2 | django |
| >=21.4.0 | structlog |
| >=3.6.0 | asgiref |
| - | django-ipware |
| >=5.1 | celery |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.7 | Python |
نحوه نصب
نصب پکیج whl django-structlog-5.1.0:
pip install django-structlog-5.1.0.whl
نصب پکیج tar.gz django-structlog-5.1.0:
pip install django-structlog-5.1.0.tar.gz