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< h1 > < i class = "glyphicon glyphicon-info-sign" > < / i > < code class = "obj" > jinja_env< / code > < / h1 >
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< li > Property of < a href = "../" > Environment< / a > < / li >
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< p > This object is a configured Jinja2 environment. For more information you can
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refer to the < a href = "https://jinja.palletsprojects.com/en/3.0.x/api/#jinja2.Environment" class = "ext" > Jinja 2 Documentation< / a > .< / p >
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< p > This is where plugins can inject additional data like custom filters, tests
or global functions.< / p >
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< h2 id = "plugin-example" > Plugin Example< / h2 > < div class = "hll" > < pre > < span > < / span > < span class = "kn" > from< / span > < span class = "nn" > lektor.pluginsystem< / span > < span class = "kn" > import< / span > < span class = "n" > Plugin< / span >
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< span class = "k" > class< / span > < span class = "nc" > MyPlugin< / span > < span class = "p" > (< / span > < span class = "n" > Plugin< / span > < span class = "p" > ):< / span >
< span class = "o" > ...< / span >
< span class = "k" > def< / span > < span class = "nf" > on_setup_env< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > extra< / span > < span class = "p" > ):< / span >
< span class = "k" > def< / span > < span class = "nf" > shout_filter< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "n" > unicode< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > upper< / span > < span class = "p" > ()< / span > < span class = "o" > +< / span > < span class = "s1" > ' !!!!1111' < / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > env< / span > < span class = "o" > .< / span > < span class = "n" > jinja_env< / span > < span class = "o" > .< / span > < span class = "n" > filters< / span > < span class = "p" > [< / span > < span class = "s1" > ' shout' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > shout_filter< / span >
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< p > Then you can use this filter from templates:< / p >
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< div class = "hll" > < pre > < span > < / span > < span class = "p" > < < / span > < span class = "nt" > h1< / span > < span class = "p" > > < / span > < span class = "cp" > {{< / span > < span class = "nv" > page.title< / span > < span class = "o" > |< / span > < span class = "nf" > shout< / span > < span class = "cp" > }}< / span > < span class = "p" > < /< / span > < span class = "nt" > h1< / span > < span class = "p" > > < / span >
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