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Diffstat (limited to 'docs/tutorials/wiki/basiclayout.rst')
| -rw-r--r-- | docs/tutorials/wiki/basiclayout.rst | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/docs/tutorials/wiki/basiclayout.rst b/docs/tutorials/wiki/basiclayout.rst index 66cf37e4e..1aebaffd7 100644 --- a/docs/tutorials/wiki/basiclayout.rst +++ b/docs/tutorials/wiki/basiclayout.rst @@ -179,24 +179,9 @@ configurations don't use a pipeline: instead they expose a single WSGI application as "main". Our setup is more complicated, so we use a pipeline composed of :term:`middleware`. -The ``egg:WebError#evalerror`` middleware is at the "top" of the pipeline. -This is middleware which displays debuggable errors in the browser while -you're developing (not recommended for a production system). - -The ``egg:repoze.zodbconn#closer`` middleware is in the middle of the -pipeline. This is a piece of middleware which closes the ZODB connection -opened by the ``PersistentApplicationFinder`` at the end of the request. - -The ``egg:repoze.retry#retry`` middleware catches ``ConflictError`` -exceptions from ZODB and retries the request up to three times (ZODB is an -optimistic concurrency database that relies on application-level transaction -retries when a conflict occurs). - -The ``tm`` middleware is the last piece of middleware in the pipeline. This -commits a transaction near the end of the request unless there's an exception -raised or the HTTP response code is an error code. The ``tm`` refers to the -``[filter:tm]`` section beneath the pipeline declaration, which configures -the transaction manager. +The ``egg:repoze.zodbconn#closer`` middleware is at the top of the pipeline. +This is a piece of middleware which closes the ZODB connection opened by the +``PersistentApplicationFinder`` at the end of the request. The final line in the ``[pipeline:main]`` section is ``tutorial``, which refers to the ``[app:tutorial]`` section above it. The ``[app:tutorial]`` |