Initial Commit

lib/mako/ext/turbogears.py

@@ -0,0 +1,58 @@
+# ext/turbogears.py
+# Copyright (C) 2006-2015 the Mako authors and contributors <see AUTHORS file>
+#
+# This module is part of Mako and is released under
+# the MIT License: http://www.opensource.org/licenses/mit-license.php
+
+import inspect
+from mako import compat
+from mako.lookup import TemplateLookup
+from mako.template import Template
+
+class TGPlugin(object):
+    """TurboGears compatible Template Plugin."""
+
+    def __init__(self, extra_vars_func=None, options=None, extension='mak'):
+        self.extra_vars_func = extra_vars_func
+        self.extension = extension
+        if not options:
+            options = {}
+
+        # Pull the options out and initialize the lookup
+        lookup_options = {}
+        for k, v in options.items():
+            if k.startswith('mako.'):
+                lookup_options[k[5:]] = v
+            elif k in ['directories', 'filesystem_checks', 'module_directory']:
+                lookup_options[k] = v
+        self.lookup = TemplateLookup(**lookup_options)
+
+        self.tmpl_options = {}
+        # transfer lookup args to template args, based on those available
+        # in getargspec
+        for kw in inspect.getargspec(Template.__init__)[0]:
+            if kw in lookup_options:
+                self.tmpl_options[kw] = lookup_options[kw]
+
+    def load_template(self, templatename, template_string=None):
+        """Loads a template from a file or a string"""
+        if template_string is not None:
+            return Template(template_string, **self.tmpl_options)
+        # Translate TG dot notation to normal / template path
+        if '/' not in templatename:
+            templatename = '/' + templatename.replace('.', '/') + '.' +\
+                    self.extension
+
+        # Lookup template
+        return self.lookup.get_template(templatename)
+
+    def render(self, info, format="html", fragment=False, template=None):
+        if isinstance(template, compat.string_types):
+            template = self.load_template(template)
+
+        # Load extra vars func if provided
+        if self.extra_vars_func:
+            info.update(self.extra_vars_func())
+
+        return template.render(**info)
+