Also look at jinja_test.leo in contrib branch; it renders a template to variable "mytest" (with @= mytest, and @cl jinja, declared in "prelude" node), and assigns the value of variable to node @r mytest.
You can "execute" the outline by alt-x vs-update. It probably helps to read the docstring of valuespace plugin to understand how the outline behaves. On Fri, May 25, 2012 at 10:44 PM, Edward K. Ream <[email protected]> wrote: > On Fri, May 25, 2012 at 1:36 PM, Kent Tenney <[email protected]> wrote: > >> I think I suggested just this ... AWKWARD ... > > Don't panic. A templating script (or plugin) can do just about > anything as long as it doesn't monkey-patch leoFileCommands.py or > leoAtFile.py. But that's never going to be necessary. > > Indeed, supporting templates is almost too easy, as I have just > verified. The problem isn't supporting templates, the problem is > choosing between all the various ways that could work. > > Ville's jinjarender plugin is one way: it writes to files and uses the > valuespace plugin to get the Python dict that is passed to > Template.render. > > But there are so many other ways. I just wrote a script that gets > key/value pairs from the children of an @jinja-data node and writes > the output to an @jinja-output node. > > The way you suggest, namely passing an explicit dict of key/value > pairs is also perfectly feasible. > >> Meaning the @x path machinery is maxed out? > > Not at all. Let the wild rumpus start. > > Edward > > P.S. Here is a first draft of @button jinja-render. Simply > copy/paste into an outline. The code is dead easy, so it will be easy > to change it to make it do exactly what you want. > > ===== > > <?xml version="1.0" encoding="utf-8"?> > <!-- Created by Leo (http://webpages.charter.net/edreamleo/front.html) --> > <?xml-stylesheet ekr_test?> > <leo_file xmlns:leo="http://www.leo-editor.org/2011/leo"; > > <leo_header file_format="2"/> > <vnodes> > <v t="ekr.20120525134212.10696"><vh>@button jinja-render</vh> > <v t="ekr.20120525134212.10699"><vh><< imports >></vh></v> > <v t="ekr.20120525134212.10709"><vh>ctor</vh></v> > <v t="ekr.20120525134212.10714"><vh>error</vh></v> > <v t="ekr.20120525134212.10713"><vh>get_data</vh></v> > <v t="ekr.20120525134212.10720"><vh>put</vh></v> > <v t="ekr.20120525134212.10710"><vh>run</vh></v> > </v> > </vnodes> > <tnodes> > <t tx="ekr.20120525134212.10696">''' Render @jinja nodes. Requires > jinja2 module. > > - Writes selected tree to the @jinja-output node in the selected tree. > - Takes arguments from the @jinja-data node. > ''' > > << imports >> > > class JinjaController: > @others > > if Template: > JinjaController(c,p).run() > </t> > <t tx="ekr.20120525134212.10699">import leo.core.leoGlobals as g > > try: > from jinja2 import Template > except ImportError: > Template = None > </t> > <t tx="ekr.20120525134212.10709">def __init__ (self,c,p): > > self.c = c > self.p = p.copy()</t> > <t tx="ekr.20120525134212.10710">def run(self): > > c,p = self.c,self.p > s = g.getScript(c,p,useSelectedText=False,useSentinels=False) > tmpl = Template(s) > d = self.get_data() > s = tmpl.render(d) > self.put(s) > </t> > <t tx="ekr.20120525134212.10713">def get_data (self): > > c = self.c > p = g.findNodeAnywhere(c,'@jinja-data') > d = {} > if p: > for p in p.children(): > key = p.h.strip() > val = p.b.strip() or None > d [key] = val > else: > self.error('no @jinja-data node') > return d > </t> > <t tx="ekr.20120525134212.10714">def error (self,s): > g.es_print(s,color='red')</t> > <t tx="ekr.20120525134212.10720">def put (self,s): > > c,p = self.c,self.p > p2 = g.findNodeAnywhere(c,'@jinja-out') > if not p2: > p2 = p.insertAfter() > p2.h = '@jinja-out' > c.redraw() > > p2.b = '@language rest\n\n' + s > c.selectPosition(p2) > </t> > </tnodes> > </leo_file> > > ============== > > EKR > > -- > You received this message because you are subscribed to the Google Groups > "leo-editor" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/leo-editor?hl=en. > -- You received this message because you are subscribed to the Google Groups "leo-editor" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/leo-editor?hl=en.
