Fixed #61 : SheerkaDebugManager: Add get_value()

Fixed #60 : Hash error when ReturnValue is a list of list
Fixed #59 : Implement smart_get()
Fixed #58 : SheerkaPromptCompleter: Cannot parse concept token
Fixed #57 : SheerkaPrompt: Add concept autocompletion
Fixed #56 : automatically backup command
Fixed #54 : I can record execution status
Fixed #53 : ConceptManager: modify_concept fails

src/core/sheerka/services/SheerkaHistoryManager.py

@@ -1,5 +1,6 @@
 from collections import namedtuple
 
+from core.global_symbols import NotInit
 from core.sheerka.services.sheerka_service import BaseService
 from sdp.sheerkaDataProvider import Event
 
@@ -7,14 +8,22 @@ hist = namedtuple("HistoryTest", "text status")  # tests purposes only
 
 
 class History:
-    def __init__(self, event: Event, result):
+    def __init__(self, event: Event, result, extra_info):
         self.event = event
         self.result = result
-        self._status = None
+        self.extra_info = extra_info
+        self._status = NotInit
+        self._is_state_modified = NotInit
         self._format_instructions = None
 
     def __str__(self):
-        msg = f"{self.event.get_digest()} {self.event.date.strftime('%d/%m/%Y %H:%M:%S')} : {self.event.message}"
+        if self.is_state_modified is NotInit:
+            state_modified_str = "[?]"
+        else:
+            state_modified_str = "[X]" if self.is_state_modified else "[ ]"
+        event_date = self.event.date.strftime('%d/%m/%Y %H:%M:%S')
+
+        msg = f"{self.event.get_digest()} {event_date} {state_modified_str} : {self.event.message}"
         status = self.status
         if status is not None:
             msg += f" => {status}"
@@ -40,12 +49,28 @@ class History:
 
     @property
     def status(self):
-        if self._status:
+        if self._status is not NotInit:
+            return self._status
+
+        if self.extra_info and "status" in self.extra_info:
+            self._status = self.extra_info["status"]
             return self._status
 
         self._status = self.result.get_status() if self.result else None
         return self._status
 
+    @property
+    def is_state_modified(self):
+        if self._is_state_modified is not NotInit:
+            return self._is_state_modified
+
+        if self.extra_info and "is_state_modified" in self.extra_info:
+            self._is_state_modified = self.extra_info["is_state_modified"]
+            return self._is_state_modified
+
+        self._is_state_modified = self.result.is_state_modified() if self.result else None
+        return self._is_state_modified
+
     def get_format_instructions(self):
         return self._format_instructions
 
@@ -73,4 +98,10 @@ class SheerkaHistoryManager(BaseService):
                 result = self.sheerka.om.current_sdp().load_result(event.get_digest())
             except (IOError, KeyError):
                 result = None
-            yield History(event, result)
+
+            try:
+                extra_info = self.sheerka.om.current_sdp().load_result_extra_info(event.get_digest())
+            except (IOError, KeyError):
+                extra_info = None
+
+            yield History(event, result, extra_info)