Create basic lektor plugin

README.md

@@ -1,6 +1,7 @@
 # lektor_render_template
 
-This is where a description of your plugin goes.
-Provide usage instructions here.
+Here will be a lektor plugin that generates files based on templates of your lektor project with filters as input string.
 
-## Work in progress!
+## Open Issues:
++ Currently the plugin does not support any config variable.
++ Currently the plugin generates the files in the assets dir.

lektor_render_template.py

@@ -1,12 +1,31 @@
 # -*- coding: utf-8 -*-
+""" Import lektor plugin stuff """
 from lektor.pluginsystem import Plugin
+from lektor.project import Project
+from lektor.context import get_ctx
 
+# pylint: disable=unused-argument
+def generate_from_template(inputname, **options):
+    """ Generate a File based on a Jinja2 Templated """
+    # Setup Lektor Env
+    project = Project.discover()
+    env = project.make_env()
+    # Setup CTX
+    ctx = get_ctx()
+    if ctx is not None:
+        pad = ctx.pad
+    else:
+        pad = env.new_pad()
+    # Create File
+    file = f"assets/svg/{inputname}.svg"
+    with open(file, 'w', encoding='UTF-8') as outputfile:
+        outputfile.write(env.render_template('galaxy.svg', pad=pad, this={'title': 'Demo Object'}))
 
 class RenderTemplatePlugin(Plugin):
+    """ Create Plugin and listen to Filter Keyword """
     name = 'lektor_render_template'
-    description = u'Add your description here.'
+    description = 'Lektor plugin to generate files form filters.'
 
-    def on_process_template_context(self, context, **extra):
-        def test_function():
-            return 'Value from plugin %s' % self.name
-        context['test_function'] = test_function
+    def on_setup_env(self, **extra):
+        """ Create Listener for Filter """
+        self.env.jinja_env.filters['svg'] = generate_from_template