Fixed #18 : Parsing and evaluating Python

src/core/ExecutionContext.py

@@ -5,7 +5,7 @@ import time
 from core.Event import Event
 
 
-class ExecutionContextActions:
+class ContextActions:
     TESTING = "Testing"
     INIT_SHEERKA = "Init Sheerka"
     EVALUATE_USER_INPUT = "Evaluate user input"
@@ -18,9 +18,16 @@ class ExecutionContextActions:
     EVALUATION = "Evaluation"
     AFTER_EVALUATION = "After Evaluation"
 
+    EVALUATING_CONCEPT = "Evaluating concept"
+    BUILD_CONCEPT = "Building all attributes"
+    BUILD_CONCEPT_ATTR = "Building one attribute"
+    EVAL_CONCEPT = "Evaluating all attributes"
+    EVAL_CONCEPT_ATTR = "Evaluating one attribute"
+
 
 class ContextHint:
     REDUCE_CONCEPTS = "Reduce Concepts"  # to tell the process to only keep the meaningful results
+    EXPRESSION_ONLY_REQUESTED = "Expression Only"
 
 
 ids = {}  # keep track of the next execution context id, for a given event id
@@ -51,7 +58,7 @@ class ExecutionContext:
                  who: str,
                  event: Event,
                  sheerka,
-                 action: ExecutionContextActions,
+                 action: ContextActions,
                  action_context: object,
                  desc: str = None,
                  logger=None,
@@ -102,6 +109,10 @@ class ExecutionContext:
     def long_id(self):
         return f"{self.event.get_digest()}:{self._id}"
 
+    @property
+    def medium_id(self):
+        return f"{self.event.get_digest()[:8]}:{self._id}"
+
     @property
     def id(self):
         return self._id
@@ -143,7 +154,7 @@ class ExecutionContext:
 
     def push(self,
              who: str,
-             action: ExecutionContextActions,
+             action: ContextActions,
              action_context: object,
              desc: str = None,
              logger=None):
@@ -162,6 +173,9 @@ class ExecutionContext:
         self._children.append(child)
         return child
 
+    def get_parent(self):
+        return self._parent
+
     def get_children(self, level=-1):
         """
         recursively look for children
@@ -173,6 +187,30 @@ class ExecutionContext:
             if level != 1:
                 yield from child.get_children(level - 1)
 
+    def get_parents(self, level=-1):
+        """
+        recursively look for parent
+        :return:
+        :rtype:
+        """
+        if level == 0 or self._parent is None:
+            return
+
+        yield self._parent
+        yield from self._parent.get_parents(level - 1)
+
+    def in_context(self, hint: ContextHint):
+        return hint in self.protected_hints or \
+            hint in self.global_hints or \
+            hint in self.private_hints
+
+    def get_from_short_term_memory(self, key):
+        return self.sheerka.get_from_short_term_memory(self, key)
+
+    def log(self, message: str, who: str = None):
+        """Send debug information to logger"""
+        pass
+
     def __enter__(self):
         self._start = time.time_ns()
         return self