WSGI request and response object
WebOb provides objects for HTTP requests and responses. Specifically it does this by wrapping the WSGI request environment and response status/headers/app_iter(body).
The request and response objects provide many conveniences for parsing HTTP request and forming HTTP responses. Both objects are read/write: as a result, WebOb is also a nice way to create HTTP requests and parse HTTP responses.
Support and Documentation
See the WebOb Documentation website to view documentation, report bugs, and obtain support.
WebOb is offered under the MIT-license.
- Fixup cgi.FieldStorage on Python 3.x to work-around issue reported in Python bug report 27777 and 24764. This is currently applied for Python versions less than 3.7. See https://github.com/Pylons/webob/pull/294
- Response.set_cookie now accepts datetime objects for the expires kwarg and will correctly convert them to UTC with no tzinfo for use in calculating the max_age. See https://github.com/Pylons/webob/issues/254 and https://github.com/Pylons/webob/pull/292
- WebOb’s exceptions will lazily read underlying variables when inserted into templates to avoid expensive computations/crashes when inserting into the template. This had a bad performance regression on Py27 because of the way the lazified class was created and returned. See https://github.com/Pylons/webob/pull/284
- Response.from_file now parses the status line correctly when the status line contains an HTTP with version, as well as a status text that contains multiple white spaces (e.g 404 Not Found). See https://github.com/Pylons/webob/issues/250
- Python 3.2 is no longer supported by WebOb
- Request.decode attempted to read from the an already consumed stream, it has now been redirected to another stream to read from. See https://github.com/Pylons/webob/pull/183
- The application/json media type does not allow for a charset as discovery of the encoding is done at the JSON layer. Upon initialization of a Response WebOb will no longer add a charset if the content-type is set to JSON. See https://github.com/Pylons/webob/pull/197 and https://github.com/Pylons/pyramid/issues/1611
- Lazily HTML escapes environment keys in HTTP Exceptions so that those keys in the environ that are not used in the output of the page don’t raise an exception due to inability to be properly escaped. See https://github.com/Pylons/webob/pull/139
- MIMEAccept now accepts comparisons against wildcards, this allows one to match on just the media type or sub-type, without having to explicitly match on both the media type and sub-type at the same time. See https://github.com/Pylons/webob/pull/185
- Add the ability to return a JSON body from an exception. Using the Accept information in the request, the exceptions will now automatically return a JSON version of the exception instead of just HTML or text. See https://github.com/Pylons/webob/pull/230 and https://github.com/Pylons/webob/issues/209
- exc._HTTPMove and any subclasses will now raise a ValueError if the location field contains a line feed or carriage return. These values may lead to possible HTTP Response Splitting. The header_getter descriptor has also been modified to no longer accept headers with a line feed or carriage return. See: https://github.com/Pylons/webob/pull/229 and https://github.com/Pylons/webob/issues/217
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