feat(native): Python - new Jinja API (#7160)

Author: ovr

.github/workflows/rust-cubesql.yml

@@ -49,7 +49,7 @@ jobs:
 
   unit:
     runs-on: ubuntu-20.04
-    timeout-minutes: 50
+    timeout-minutes: 60
     name: Unit (Rewrite Engine)
 
     steps:
@@ -93,7 +93,7 @@ jobs:
 
   unit_legacy:
     runs-on: ubuntu-20.04
-    timeout-minutes: 40
+    timeout-minutes: 60
     name: Unit (Legacy)
 
     steps:

packages/cubejs-backend-native/python/cube/src/__init__.py

@@ -1,3 +1,33 @@
+class JinjaException(Exception):
+    pass
+
+class JinjaContext:
+    def function(self, func):
+        if not callable(func):
+            raise JinjaException("function registration must be used with functions, actual: '%s'" % type(func).__name__)
+    
+        return context_func(func)
+
+    def filter(self, func):
+        if not callable(func):
+            raise JinjaException("function registration must be used with functions, actual: '%s'" % type(func).__name__)
+
+        raise JinjaException("filter registration is not supported")
+
+    def variable(self, func):
+        raise JinjaException("variable registration is not supported")
+
+class TemplateModule:
+    def JinjaContext():
+        return JinjaContext()
+
+template = TemplateModule
+
 def context_func(func):
     func.cube_context_func = True
     return func
+
+__all__ = [
+    'context_func',
+    'template'
+]