A debug server for WSGI apps.
Project description
ohoh
====
|build-status| |license|
OhOh is a debugger for your WSGI applications. Using OhOh, you can inspect
the stack frames of a wsgi app that's thrown an exception.
Usage
-----
Use this command to serve your wsgi app in debug mode::
> ohoh "package.module:wsgi_app" -s localost:5000
For a full range of options, see ``ohoh -h``
OhOh provides a plug-in for the ``httpie`` utility. You can install ``httpie``
using ``pip install httpie``. Once you send a request that results in an
exception, you will enter the debugger automatically::
> http localhost:5000
HTTP/1.0 500 Internal Server Error
Date: Fri, 24 Jul 2015 23:41:20 GMT
Server: WSGIServer/0.2 CPython/3.4.2
Content-Type: text/plain; charset=utf-8
OhOh-Debug-Token: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1N [Truncated (5061 chars) ...]
Location: http://localhost:5000/ohoh-debug/
Content-Length: 454
Traceback (most recent call last):
File "c:\dev\ohoh\build\lib\ohoh\middleware.py", line 57, in __call__
return self._app(environ, start_response)
File "tests\mock_app.py", line 6, in simple_err_app
path.join("foo bar", 475564)
File "C:\Python34\lib\ntpath.py", line 110, in join
p_drive, p_path = splitdrive(p)
File "C:\Python34\lib\ntpath.py", line 159, in splitdrive
if len(p) > 1:
TypeError: object of type 'int' has no len()
OhOh Interactive Debugger v0.1.dev28+n8ec9121
(odb) up
> c:\python34\lib\ntpath.py(110)join()
-> p_drive, p_path = splitdrive(p)
(odb)
Commands
--------
The following commands are supported by the command interpreter
(you can type ``help`` at the debugger prompt for online help with commands):
+-------------------+-----------------------------------------------------------+
+ Command | Description +
+===================+===========================================================+
+ **Client commands** +
+-------------------+-----------------------------------------------------------+
+ quit | Exit the debugger. +
+-------------------+-----------------------------------------------------------+
+ token | View the current debug server token. +
+-------------------+-----------------------------------------------------------+
+ url | View or set the url to which debug requests are sent. +
+-------------------+-----------------------------------------------------------+
+ version | View the version number of the debugger. +
+-------------------+-----------------------------------------------------------+
+ **Debug commands** +
+-------------------+-----------------------------------------------------------+
+ ! | Execute a one-line statement in the current context. +
+-------------------+-----------------------------------------------------------+
+ args | Print the argument list to the current function. +
+-------------------+-----------------------------------------------------------+
+ p | Print the value of an expression. +
+-------------------+-----------------------------------------------------------+
+ pp | Pretty print the value of an expression. +
+-------------------+-----------------------------------------------------------+
+ where | Print the stack trace, with the most recent call last. +
+-------------------+-----------------------------------------------------------+
+ up | Move up one frame in the stack. +
+-------------------+-----------------------------------------------------------+
+ down | Move down one frame in the stack. +
+-------------------+-----------------------------------------------------------+
.. |build-status| image:: https://travis-ci.org/te-je/ohoh.svg?branch=develop
:target: https://travis-ci.org/te-je/ohoh
:alt: build status
:scale: 100%
.. |license| image:: https://img.shields.io/badge/license-MIT-blue.svg
:target: https://raw.githubusercontent.com/te-je/ohoh/develop/LICENSE.txt
:alt: License
:scale: 100%
====
|build-status| |license|
OhOh is a debugger for your WSGI applications. Using OhOh, you can inspect
the stack frames of a wsgi app that's thrown an exception.
Usage
-----
Use this command to serve your wsgi app in debug mode::
> ohoh "package.module:wsgi_app" -s localost:5000
For a full range of options, see ``ohoh -h``
OhOh provides a plug-in for the ``httpie`` utility. You can install ``httpie``
using ``pip install httpie``. Once you send a request that results in an
exception, you will enter the debugger automatically::
> http localhost:5000
HTTP/1.0 500 Internal Server Error
Date: Fri, 24 Jul 2015 23:41:20 GMT
Server: WSGIServer/0.2 CPython/3.4.2
Content-Type: text/plain; charset=utf-8
OhOh-Debug-Token: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1N [Truncated (5061 chars) ...]
Location: http://localhost:5000/ohoh-debug/
Content-Length: 454
Traceback (most recent call last):
File "c:\dev\ohoh\build\lib\ohoh\middleware.py", line 57, in __call__
return self._app(environ, start_response)
File "tests\mock_app.py", line 6, in simple_err_app
path.join("foo bar", 475564)
File "C:\Python34\lib\ntpath.py", line 110, in join
p_drive, p_path = splitdrive(p)
File "C:\Python34\lib\ntpath.py", line 159, in splitdrive
if len(p) > 1:
TypeError: object of type 'int' has no len()
OhOh Interactive Debugger v0.1.dev28+n8ec9121
(odb) up
> c:\python34\lib\ntpath.py(110)join()
-> p_drive, p_path = splitdrive(p)
(odb)
Commands
--------
The following commands are supported by the command interpreter
(you can type ``help`` at the debugger prompt for online help with commands):
+-------------------+-----------------------------------------------------------+
+ Command | Description +
+===================+===========================================================+
+ **Client commands** +
+-------------------+-----------------------------------------------------------+
+ quit | Exit the debugger. +
+-------------------+-----------------------------------------------------------+
+ token | View the current debug server token. +
+-------------------+-----------------------------------------------------------+
+ url | View or set the url to which debug requests are sent. +
+-------------------+-----------------------------------------------------------+
+ version | View the version number of the debugger. +
+-------------------+-----------------------------------------------------------+
+ **Debug commands** +
+-------------------+-----------------------------------------------------------+
+ ! | Execute a one-line statement in the current context. +
+-------------------+-----------------------------------------------------------+
+ args | Print the argument list to the current function. +
+-------------------+-----------------------------------------------------------+
+ p | Print the value of an expression. +
+-------------------+-----------------------------------------------------------+
+ pp | Pretty print the value of an expression. +
+-------------------+-----------------------------------------------------------+
+ where | Print the stack trace, with the most recent call last. +
+-------------------+-----------------------------------------------------------+
+ up | Move up one frame in the stack. +
+-------------------+-----------------------------------------------------------+
+ down | Move down one frame in the stack. +
+-------------------+-----------------------------------------------------------+
.. |build-status| image:: https://travis-ci.org/te-je/ohoh.svg?branch=develop
:target: https://travis-ci.org/te-je/ohoh
:alt: build status
:scale: 100%
.. |license| image:: https://img.shields.io/badge/license-MIT-blue.svg
:target: https://raw.githubusercontent.com/te-je/ohoh/develop/LICENSE.txt
:alt: License
:scale: 100%
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