Adding support for translations (#120)

Add translations support

src/crewai/agents/exceptions.py

@@ -1,17 +1,23 @@
 from langchain_core.exceptions import OutputParserException
 
+from crewai.i18n import I18N
+
 
 class TaskRepeatedUsageException(OutputParserException):
     """Exception raised when a task is used twice in a roll."""
 
+    i18n: I18N = I18N()
     error: str = "TaskRepeatedUsageException"
-    message: str = "I just used the {tool} tool with input {tool_input}. So I already know the result of that and don't need to use it now.\n"
+    message: str
 
-    def __init__(self, tool: str, tool_input: str, text: str):
+    def __init__(self, i18n: I18N, tool: str, tool_input: str, text: str):
+        self.i18n = i18n
         self.text = text
         self.tool = tool
         self.tool_input = tool_input
-        self.message = self.message.format(tool=tool, tool_input=tool_input)
+        self.message = self.i18n.errors("task_repeated_usage").format(
+            tool=tool, tool_input=tool_input
+        )
 
         super().__init__(
             error=self.error,

src/crewai/agents/executor.py

@@ -1,5 +1,4 @@
 import time
-from textwrap import dedent
 from typing import Any, Dict, Iterator, List, Optional, Tuple, Union
 
 from langchain.agents import AgentExecutor
@@ -12,11 +11,13 @@ from langchain_core.pydantic_v1 import root_validator
 from langchain_core.tools import BaseTool
 from langchain_core.utils.input import get_color_mapping
 
-from ..tools.cache_tools import CacheTools
-from .cache.cache_hit import CacheHit
+from crewai.agents.cache.cache_hit import CacheHit
+from crewai.i18n import I18N
+from crewai.tools.cache_tools import CacheTools
 
 
 class CrewAgentExecutor(AgentExecutor):
+    i18n: I18N = I18N()
     iterations: int = 0
     max_iterations: Optional[int] = 15
     force_answer_max_iterations: Optional[int] = None
@@ -31,13 +32,7 @@ class CrewAgentExecutor(AgentExecutor):
 
     def _force_answer(self, output: AgentAction):
         return AgentStep(
-            action=output,
-            observation=dedent(
-                """\
-            I've used too many tools for this task.
-            I'm going to give you my absolute BEST Final answer now and
-            not use any more tools."""
-            ),
+            action=output, observation=self.i18n.errors("used_too_many_tools")
         )
 
     def _call(

src/crewai/agents/output_parser.py

@@ -4,9 +4,10 @@ from typing import Union
 from langchain.agents.output_parsers import ReActSingleInputOutputParser
 from langchain_core.agents import AgentAction, AgentFinish
 
-from .cache import CacheHandler, CacheHit
-from .exceptions import TaskRepeatedUsageException
-from .tools_handler import ToolsHandler
+from crewai.agents.cache import CacheHandler, CacheHit
+from crewai.agents.exceptions import TaskRepeatedUsageException
+from crewai.agents.tools_handler import ToolsHandler
+from crewai.i18n import I18N
 
 FINAL_ANSWER_ACTION = "Final Answer:"
 FINAL_ANSWER_AND_PARSABLE_ACTION_ERROR_MESSAGE = (
@@ -46,6 +47,7 @@ class CrewAgentOutputParser(ReActSingleInputOutputParser):
 
     tools_handler: ToolsHandler
     cache: CacheHandler
+    i18n: I18N
 
     def parse(self, text: str) -> Union[AgentAction, AgentFinish, CacheHit]:
         FINAL_ANSWER_ACTION in text
@@ -65,10 +67,13 @@ class CrewAgentOutputParser(ReActSingleInputOutputParser):
                 }
                 if usage == last_tool_usage:
                     raise TaskRepeatedUsageException(
-                        tool=action, tool_input=tool_input, text=text
+                        text=text,
+                        tool=action,
+                        tool_input=tool_input,
+                        i18n=self.i18n,
                     )
 
-            if result := self.cache.read(action, tool_input):
+            if self.cache.read(action, tool_input):
                 action = AgentAction(action, tool_input, text)
                 return CacheHit(action=action, cache=self.cache)