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Django Debug Requests & Responses (DDRR)

Get more out of your runserver development output! Print request and response headers, body (with pretty-printing), etc. Highly customizable!

  • Full request headers
  • The entire request body
  • Pretty-printing optional
  • Colored output
  • Super easy setup
  • No extra dependencies

DDRR can also be used for general logging with some configuration of your own.


$ pip install ddrr
# in
    # ...

import ddrr

Done! When you run runserver, you'll now get the entire HTTP requests and responses, including headers and bodies.

If you don't like the default output format, read on...


ddrr.quick_setup accepts the following optional arguments:

  • enable_requests - (default: True) Enable request logging.
  • enable_responses - (default: True) Enable response logging.
  • level - (default: DEBUG) The level of the log messages.
  • pretty - (default: False) Enable pretty-printing of bodies.
  • request_template - (default: None) Request template string
  • request_template_name - (default: None) Request template name
  • response_template - (default: None) Response template string
  • response_template_name - (default: None) Response template name
  • limit_body - (default: None) Limit request and response body length
  • colors - (default: True) Enable color support if terminal supports it

Change output formats

You can pass request_template or request_template_name to quick_setup to define a different output format for request logs. The same goes for responses, use response_template or response_template_name.

The templates are normal Django templates which are passed the necessary template context with access to pretty much anything you could be interested in.

  • Request template context:
    • ddrr.body - request body
    • ddrr.content_type - request content type
    • ddrr.formatter - the formatter
    • ddrr.headers - mapping of header fields and values
    • ddrr.method - request method
    • ddrr.path - request path
    • ddrr.query_params - query parameters
    • ddrr.query_string - query string
    • ddrr.record - the actual log record object
    • ddrr.request - the actual request object
  • Response template context:
    • ddrr.content - response content
    • ddrr.content_type - response content type
    • ddrr.formatter - the formatter
    • ddrr.headers - mapping of header fields and values
    • ddrr.reason_phrase - response reason phrase
    • ddrr.record - the actual log record object
    • ddrr.response - the actual response object
    • ddrr.status_code - response status code

For example, this will log the method, path and body of each request, as well as the status code, reason phrase and content of each response:

    request_template="{{ ddrr.method }} {{ ddrr.path }}\n"
                     "{{ ddrr.body }}",
    response_template="{{ ddrr.status_code }} {{ ddrr.reason_phrase }}\n"
                      "{{ ddrr.content }}",


By default, pretty-printing is disabled. Pass pretty=True to quick_setup to enable it.

Pretty-printing of JSON requires not external dependency.

Pretty-printing of XML uses minidom by default and doesn't require any extra dependency. If you want to use lxml instead, which is slightly better at pretty-printing XML, you can install that using pip install ddrr[xml].

How it works internally

The middleware ddrr.middleware.DebugRequestsResponses sends the entire request object as the message to ddrr-request-logger. This logger has been configured to use ddrr.formatters.DjangoTemplateRequestFormatter which internally uses Django's built-in template engine to format the request into human-readable form. By default, this is shown in your console output, but you can easily configure it to log it to a file, ElasticSearch, or anything else.

Similar projects

Development and contributions

PR's are always welcome!

For hacking on DDRR, make sure you are familiar with:

Install dependencies and set up the pre-commit hooks.

$ poetry install
$ pre-commit install

The pre-commit hooks will, among other things, run Flake8 on the code base and Black to make sure the code style is consistent across all files. Check out .pre-commit-config.yaml for details.

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