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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/glossary.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/glossary.rst b/docs/glossary.rst index c6705fdc5..ccb62bbc8 100644 --- a/docs/glossary.rst +++ b/docs/glossary.rst @@ -917,3 +917,14 @@ Glossary PyPy is an "alternative implementation of the Python language":http://pypy.org/ + tween + A bit of code that sits between the Pyramid router's main request + handling function and the upstream WSGI component that uses + :app:`Pyramid` as its 'app'. A tween may be used by Pyramid framework + extensions, to provide, for example, Pyramid-specific view timing + support bookkeeping code that examines exceptions before they are + returned to the upstream WSGI application. Tweens behave a bit like + :mod:`WSGI` 'middleware' but they have the benefit of running in a + context in which they have access to the Pyramid :term:`application + registry` as well as the Pyramid rendering machinery. + |