Tools for using a Web Server Gateway Interface stack
Project description
These provide several pieces of “middleware” (or filters) that can be nested to build web applications. Each piece of middleware uses the WSGI (PEP 333) interface, and should be compatible with other middleware based on those interfaces.
Includes these features…
Testing
A fixture for testing WSGI applications conveniently and in-process, in paste.fixture
A fixture for testing command-line applications, also in paste.fixture
Check components for WSGI-compliance in paste.lint
Dispatching
Chain and cascade WSGI applications (returning the first non-error response) in paste.cascade
Dispatch to several WSGI applications based on URL prefixes, in paste.urlmap
Allow applications to make subrequests and forward requests internally, in paste.recursive
Web Application
Run CGI programs as WSGI applications in paste.cgiapp
Traverse files and load WSGI applications from .py files (or static files), in paste.urlparser
Serve static directories of files, also in paste.urlparser; also in that module serving from Egg resources using pkg_resources.
Tools
Catch HTTP-related exceptions (e.g., HTTPNotFound) and turn them into proper responses in paste.httpexceptions
Several authentication techniques, including HTTP (Basic and Digest), signed cookies, and CAS single-signon, in the paste.auth package.
Create sessions in paste.session and paste.flup_session
Gzip responses in paste.gzip
A wide variety of routines for manipulating WSGI requests and producing responses, in paste.request, paste.response and paste.wsgilib
Debugging Filters
Catch (optionally email) errors with extended tracebacks (using Zope/ZPT conventions) in paste.exceptions
Catch errors presenting a cgitb-based output, in paste.cgitb_catcher.
Profile each request and append profiling information to the HTML, in paste.debug.profile
Capture print output and present it in the browser for debugging, in paste.debug.prints
Validate all HTML output from applications using the WDG Validator, appending any errors or warnings to the page, in paste.debug.wdg_validator
Other Tools
A file monitor to allow restarting the server when files have been updated (for automatic restarting when editing code) in paste.reloader
A class for generating and traversing URLs, and creating associated HTML code, in paste.url
The latest version is available in a Subversion repository.
For the latest changes see the news file.
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