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Forensic debugging WSGI middleware

Project description

repoze.debug README

Middleware which can help with in-production forensic debugging.


Install using setuptools, e.g. (within a virtualenv):

$ easy_install repoze.debug


For details on using the various components, please see the documentation in docs/index.rst. A rendered version of that documentation is also available online:

Reporting Bugs

Please report bugs in this package to

Obtaining Source Code

Download development or tagged versions of the software by visiting:

repoze.debug Changes

1.0 (2013-04-09)

  • Added support for recording, logging and displaying the request body (thanks to Andreas Motl for the patch).

1.0b1 (2013-01-30)

  • Add support for bulding docs and testing doctest snippets under tox.

  • Add docs alias (installs Sphinx).

  • Add support for Python 3.2 / 3.3.

  • Drop support for Python 2.4 / 2.5.

  • Some typo fixes and enhancements to xsl stylesheet

0.7.3 (2012-03-29)

  • This release is the last which will maintain support for Python 2.4 / Python 2.5.

  • Added support for continuous integration using tox and jenkins.

  • Added ‘ dev’ alias (runs develop plus installs nose and coverage).

0.7.2 (2011-04-18)

0.7.1 (2010-03-11)

  • Sphinxified docs.

  • Don’t compute tracelog records unless we are going to write them.

0.7 (2009/09/06)

  • The iterator returned by an application was closed too soon when using the responselogger middleware, resulting in, e.g. errors from paste.fileapp complaining about “file already closed”.

  • If the keep parameter in the “responselogger” middleware is set to zero, no entries are logged (not even one, as previously may have happened).

  • Better test coverage.

  • Ignore HTTP errors in post-mortem debug middleware. The exceptions we want to catch here are application-level. A configuration option has been added to keep the old behavior.

  • Added middleware “threads” to debug threads (based on an adaptation of Florent Guillaume’s “DeadlockDebugger” product for Zope 2).

0.6.2 (2008/07/03)

  • Show a “short” URL in the debug UI.

0.6.1 (2008/07/03)

  • Fix debug UI bug: show escaped body regardless of content-type.

0.6 (2008/07/02)

  • Fix logging bug. Symptom: AttributeError: ‘NoneType’ object has no attribute ‘info’

0.5 (2008/06/30)

  • Make debug request id reflect approximate UNIX time rather than a random debug id.

  • Deal with responses via a generator; don’t unwind response bodies into memory.

  • Default max_bodysize is now 3K rather than the entire response body.

  • User interface; keep entries around to show in GUI. See /__repoze.debug/static/debugui.html.

  • We now write two logs: a verbose log, and a trace log. The verbose log contains information about headers, request information, response bodies, etc. The trace log is more compact and is written in essence to be parsed by a tool.

  • The ‘filename’ option in Paste config is now ‘verbose_log’.

  • Port Zope’s ‘requestprofiler’ script to WSGI. Invoke via ‘wsgirequestprofiler’ to see help; operates against ‘trace’ log.

0.4 (2008/06/25)

  • Add pdbpm middleware for dropping into the post-mortem debugger upon an exception (copied from repoze.errorlog).

0.3 (2008/06/25)

  • Add ‘canary’ middleware for detecting environment dictionary leaks. Add to your Paste config via ‘egg:repoze.debug#canary’; it takes no arguments. If refcounts to repoze.debug.canary.Canary grow without bound, you know you are leaking WSGI environment dictionaries.

  • Add source url to response logging.

0.2 (2008/06/14)

  • Add warning if content-length != body length.

0.1 (2008/06/13)

  • Initial release.

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