redo tempalteengine to not need param in init

init causes robot to do some weird things if it has a parameter in it so
remvoing it

Change-Id: If63eb640c8ce1f38a206d9dbee84143b798707d4
Issue-ID: TEST-155
Signed-off-by: DR695H <dr695h@att.com>

1 files changed, 9 insertions, 6 deletions

diff --git a/robotframework-onap/eteutils/TemplatingEngine.py b/robotframework-onap/eteutils/TemplatingEngine.py
index 5e701a7..b47cf8e 100644
--- a/robotframework-onap/eteutils/TemplatingEngine.py
+++ b/robotframework-onap/eteutils/TemplatingEngine.py
@@ -14,20 +14,23 @@
 
 
 from jinja2 import Environment, FileSystemLoader, select_autoescape
+from robot import utils
 
 
-class TemplatingEngine:
+class TemplatingEngine(object):
     """TemplateImporter is common resource for templating with strings."""
 
-    jinja_env = None
+    def __init__(self):
+        self._cache = utils.ConnectionCache('No Jinja Environments created')
 
-    def __init__(self, templates_folder):
-        self.jinja_env = Environment(
+    def create_environment(self, alias, templates_folder):
+        jinja_env = Environment(
             loader=FileSystemLoader(templates_folder),
             autoescape=select_autoescape(['html', 'xml'])
         )
+        self._cache.register(jinja_env, alias=alias)
 
-    def apply_template(self, template_location, values):
+    def apply_template(self, alias, template_location, values):
         """returns a string that is the jinja template in template_location filled in via the dictionary in values """
-        template = self.jinja_env.get_template(template_location)
+        template = self._cache.switch(alias).get_template(template_location)
         return template.render(values)