diff options
| author | Gabriel Hurley <gabehr@gmail.com> | 2010-10-25 20:52:04 +0000 |
|---|---|---|
| committer | Gabriel Hurley <gabehr@gmail.com> | 2010-10-25 20:52:04 +0000 |
| commit | da5f6ef9e04e6f5d43b4d93699cd56c82f7c2917 (patch) | |
| tree | 492f140931ddc62d155002a49f81be88a1fef0ef | |
| parent | 1826039e002694c1804eead4786789d0369758d6 (diff) | |
[1.2.X] Fixed #10545 -- Mentioned that template context variables only exist in the scope of th block in which they're assigned. Thanks to yaniv.haber for the report and timo for the patch.
Backport of [14350] from trunk.
git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14351 bcc190cf-cafb-0310-a4f2-bffc1f526a37
| -rw-r--r-- | docs/howto/custom-template-tags.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/docs/howto/custom-template-tags.txt b/docs/howto/custom-template-tags.txt index c4d2315bd4..95ce274460 100644 --- a/docs/howto/custom-template-tags.txt +++ b/docs/howto/custom-template-tags.txt @@ -790,7 +790,7 @@ difference between this case and the previous ``inclusion_tag`` example. Setting a variable in the context ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -The above example simply output a value. Generally, it's more flexible if your +The above examples simply output a value. Generally, it's more flexible if your template tags set template variables instead of outputting values. That way, template authors can reuse the values that your template tags create. @@ -816,6 +816,13 @@ Here's how you'd use this new version of the tag: {% current_time "%Y-%M-%d %I:%M %p" %}<p>The time is {{ current_time }}.</p> +.. admonition:: Variable scope in context + + Any variable set in the context will only be available in the same ``block`` + of the template in which it was assigned. This behaviour is intentional; + it provides a scope for variables so that they don't conflict with + context in other blocks. + But, there's a problem with ``CurrentTimeNode2``: The variable name ``current_time`` is hard-coded. This means you'll need to make sure your template doesn't use ``{{ current_time }}`` anywhere else, because the |
