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Diffstat (limited to 'web/templates/HOWTO.txt')
| -rw-r--r-- | web/templates/HOWTO.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/web/templates/HOWTO.txt b/web/templates/HOWTO.txt index de98b6a..ed47926 100644 --- a/web/templates/HOWTO.txt +++ b/web/templates/HOWTO.txt @@ -83,6 +83,36 @@ Other worth-while api-endpoints: - public/switches - All switches - read/snmp - All SNMP data +Filters +======= + +Jinja2 uses a number of filters to transform variables. They can be used to +do anything from upper-case all text to pretty-print JSON objects. They are +used by piping a variable. For example: options|pprint . This will "pretty +print" the options-object: + +{{ options|pprint }} + +See http://jinja.pocoo.org/docs/dev/templates/#builtin-filters for a list +of available filters. + +Loops +===== + +You can easily loop over objects, such as switches, using a for-loop. +Combine this with the "dictsort" filter to get a sorted list. + +{% for switch in objects["public/switches"].switches|dictsort %} + Switch {{ loop.index }} is {{ switch[0] }} or {{ switch[1] }} or full version: {{ switch }} +{% endfor %} + +To avoid having to worry about indices of tuples (e.g.: switch[0]), you can +also use a simpler style: + +{% for key, value in objects["public/ping"].switches|dictsort %} + Switch {{ loop.index }} is {{ key}} with latency4 of {{ value.latency4 }}ms +{% endfor %} + Work flow ========= |