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.
- WebOb is no longer supported on Python 2.6 and PyPy3 (due to pip no longer supporting Python 3.2 even on PyPy)
- Response.set_cookie no longer accepts a key argument. This was deprecated in WebOb 1.5 and as mentioned in the deprecation, is being removed in 1.7
- Response __init__ will no longer set the default Content-Type, nor Content-Length on Responses that don’t have a body. This allows WebOb to return proper responses for things like Response(status=’204 No Content’).
- Response.text will no longer raise if the Content-Type does not have a charset, it will fall back to using the new default_body_encoding. To get the old behaviour back please sub-class Response and set default_body_encoding to None. See https://github.com/Pylons/webob/pull/287
- WebOb no longer supports Chunked Encoding, this means that if you are using WebOb and need Chunked Encoding you will be required to have a proxy that unchunks the request for you. Please read https://github.com/Pylons/webob/issues/279 for more background.
- Response has a new default_body_encoding which may be used to allow getting/setting Response.text when a Content-Type has no charset. See https://github.com/Pylons/webob/pull/287
- webob.Request with any HTTP method is now allowed to have a body. This allows DELETE to have a request body for passing extra information. See https://github.com/Pylons/webob/pull/283 and https://github.com/Pylons/webob/pull/274
- Add tell() to ResponseBodyFile so that it may be used for example for ZipFile support. See https://github.com/Pylons/webob/pull/117
- Allow the return from wsgify.middleware to be used as a decorator. See https://github.com/Pylons/webob/pull/228
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 expire 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
Fixes request.PATH_SAFE to contain all of the path safe characters according to RFC3986. See https://github.com/Pylons/webob/pull/291
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
wsgify.__call__ raised a TypeError with an unhelpful message, it will now return the repr for the wrapped function: https://github.com/Pylons/webob/issues/119
Response.content_type removes the charset content_type parameters unless the new content_type is a text like type that has a charset parameter. See https://github.com/Pylons/webob/pull/261 and https://github.com/Pylons/webob/issues/130
Response.json’s json.dumps/loads are now always UTF-8. It no longer tries to use the charset.
Response __init__ will no longer set the default Content-Type, nor Content-Length on Responses that don’t have a body. This allows WebOb to return proper responses for things like Response(status=’204 No Content’).
The Response __init__ will by default no longer set the Content-Type to the default if a headerlist is provided. This fixes issues whereby Request.get_response() would return a Response that didn’t match the actual response. See https://github.com/Pylons/webob/pull/261 and https://github.com/Pylons/webob/issues/205
Cleans up the remainder of the issues with the updated WebOb exceptions that were taught to return JSON in version 1.6. See https://github.com/Pylons/webob/issues/237 and https://github.com/Pylons/webob/issues/236
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 HTTP/1.1 404 Not Found). See https://github.com/Pylons/webob/issues/250
Response now has a new property named has_body that may be used to interrogate the Response to find out if Response.body is or isn’t set.
This is used in the exception handling code so that if you use a WebOb HTTP Exception and pass a generator to app_iter WebOb won’t attempt to read the whole thing and instead allows it to be returned to the WSGI server. See https://github.com/Pylons/webob/pull/259
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