Added first version of DebugManager. Implemented draft of the rule engine

src/core/rule.py

@@ -0,0 +1,84 @@
+from dataclasses import dataclass
+from typing import Union
+
+import core.utils
+
+ACTION_TYPE_PRINT = "print"
+ACTION_TYPE_EXEC = "exec"
+ACTION_TYPE_DEFERRED = "deferred"
+
+
+@dataclass
+class RuleMetadata:
+    action_type: str  # print, exec, deferred
+    name: Union[str, None]
+    predicate: str
+    action: str
+
+    id: str = None
+    is_compiled: bool = False
+    is_enabled: bool = False
+
+
+class Rule:
+    def __init__(self,
+                 action_type=ACTION_TYPE_EXEC,
+                 name=None,
+                 predicate=None,
+                 action=None,
+                 priority=None,
+                 is_enabled=None):
+        self.metadata = RuleMetadata(action_type, name, predicate, action, is_enabled=is_enabled)
+        self.compiled_predicate = None
+        self.compiled_action = None
+        from core.sheerka.services.SheerkaComparisonManager import SheerkaComparisonManager
+        self.priority = priority if priority is not None else SheerkaComparisonManager.DEFAULT_COMPARISON_VALUE
+        self.error_sink = None
+
+    def __repr__(self):
+        return f"Rule(#{self.metadata.id}, when '{self.metadata.predicate}' {self.metadata.action_type} '{self.metadata.action}', priority={self.priority})"
+
+    def __eq__(self, other):
+        if id(other) == id(self):
+            return True
+
+        if not isinstance(other, Rule):
+            return False
+
+        for p in ["name", "predicate", "action_type", "action", "id"]:
+            if getattr(self.metadata, p) != getattr(other.metadata, p):
+                return False
+
+        return True
+
+    def __hash__(self):
+        return hash((self.metadata.name,
+                     self.metadata.predicate,
+                     self.metadata.action_type,
+                     self.metadata.action))
+
+    def set_id(self, rule_id):
+        self.metadata.id = rule_id
+        return self
+
+    def to_tuple_id(self):
+        return self.metadata.name, self.id
+
+    @property
+    def id(self):
+        return self.metadata.id
+
+    @property
+    def name(self):
+        return self.metadata.name
+
+    @property
+    def key(self):
+        return self.metadata.name
+
+    @property
+    def str_id(self):
+        return core.utils.str_concept(self, drop_name=True, prefix="r:")
+
+    def short_str(self):
+        return f"Rule(#{self.metadata.id}, '{self.metadata.predicate}', priority={self.priority})"