Forensic debugging WSGI middleware
Middleware for 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:
Please report bugs in this package to
Obtaining Source Code
Download development or tagged versions of the software by visiting:
PR #8: Tolerate empty value for Content-Length header.
PR #7: Suppress UnicodeDecodeError when query strings contain non ASCII characters..
PR #5: Avoid breaking when wsgi.input has no seek() method.
Add support for testing under Travis.
Drop support for Python 2.6, 3.2.
Add support for Python 3.4, 3,5, and PyPy3.
Fix reponse logger handling of WSGI app_iter-as-bytes under Py3k.
Work around URLs which contain invalid (unquoted) characters.
Restored 100% unit test coverage.
Added support for recording, logging and displaying the request body (thanks to Andreas Motl for the patch).
Add support for bulding docs and testing doctest snippets under tox.
Add setup.py 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
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 ‘setup.py dev’ alias (runs setup.py develop plus installs nose and coverage).
Don’t require ‘threadframe’ module in Python >= 2.5 (thanks, Jonathan Ballet). Closes http://bugs.repoze.org/issue162.
Don’t crash if unicode values are present in threads’ state (thanks, Jonathan Ballet). Closes http://bugs.repoze.org/issue162.
Don’t compute tracelog records unless we are going to write them.
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).
Show a “short” URL in the debug UI.
Fix debug UI bug: show escaped body regardless of content-type.
Fix logging bug. Symptom: AttributeError: ‘NoneType’ object has no attribute ‘info’
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.
Add pdbpm middleware for dropping into the post-mortem debugger upon an exception (copied from repoze.errorlog).
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.
Add warning if content-length != body length.
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