Merge pull request #130 from OriginalSimon/main

Google Translate Integration

examples/filters/google_translation_filter_pipeline.py

@@ -0,0 +1,185 @@
+"""
+title: Google Translate Filter
+author: SimonOriginal
+date: 2024-06-28
+version: 1.0
+license: MIT
+description: This pipeline integrates Google Translate for automatic translation of user and assistant messages 
+without requiring an API key. It supports multilingual communication by translating based on specified source 
+and target languages.
+"""
+
+import re
+from typing import List, Optional
+from schemas import OpenAIChatMessage
+from pydantic import BaseModel
+import requests
+import os
+import time
+import asyncio
+from functools import lru_cache
+
+from utils.pipelines.main import get_last_user_message, get_last_assistant_message
+
+class Pipeline:
+    class Valves(BaseModel):
+        pipelines: List[str] = []
+        priority: int = 0
+        source_user: Optional[str] = "auto"
+        target_user: Optional[str] = "en"
+        source_assistant: Optional[str] = "en"
+        target_assistant: Optional[str] = "uk"
+
+    def __init__(self):
+        self.type = "filter"
+        self.name = "Google Translate Filter"
+        self.valves = self.Valves(
+            **{
+                "pipelines": ["*"],
+            }
+        )
+
+        # Initialize translation cache
+        self.translation_cache = {}
+        self.code_blocks = []  # List to store code blocks
+
+    async def on_startup(self):
+        print(f"on_startup:{__name__}")
+        pass
+
+    async def on_shutdown(self):
+        print(f"on_shutdown:{__name__}")
+        pass
+
+    async def on_valves_updated(self):
+        pass
+
+    # @lru_cache(maxsize=128)  # LRU cache to store translation results
+    def translate(self, text: str, source: str, target: str) -> str:
+        url = "https://translate.googleapis.com/translate_a/single"
+        params = {
+            "client": "gtx",
+            "sl": source,
+            "tl": target,
+            "dt": "t",
+            "q": text,
+        }
+        
+        try:
+            r = requests.get(url, params=params)
+            r.raise_for_status()
+            result = r.json()
+            translated_text = ''.join([sentence[0] for sentence in result[0]])
+            return translated_text
+        except requests.exceptions.RequestException as e:
+            print(f"Network error: {e}")
+            time.sleep(1)
+            return self.translate(text, source, target)
+        except Exception as e:
+            print(f"Error translating text: {e}")
+            return text
+
+    def split_text_around_table(self, text: str) -> List[str]:
+        table_regex = r'((?:^.*?\|.*?\n)+)(?=\n[^\|\s].*?\|)'
+        matches = re.split(table_regex, text, flags=re.MULTILINE)
+
+        if len(matches) > 1:
+            return [matches[0], matches[1]]
+        else:
+            return [text, ""]
+
+    def clean_table_delimiters(self, text: str) -> str:
+        # Remove extra spaces from table delimiters
+        return re.sub(r'(\|\s*-+\s*)+', lambda m: m.group(0).replace(' ', '-'), text)
+
+    async def inlet(self, body: dict, user: Optional[dict] = None) -> dict:
+        print(f"inlet:{__name__}")
+
+        messages = body["messages"]
+        user_message = get_last_user_message(messages)
+
+        print(f"User message: {user_message}")
+
+        # Find and store code blocks
+        code_block_regex = r'```[\s\S]+?```'
+        self.code_blocks = re.findall(code_block_regex, user_message)
+        # Replace code blocks with placeholders
+        user_message_no_code = re.sub(code_block_regex, '__CODE_BLOCK__', user_message)
+
+        parts = self.split_text_around_table(user_message_no_code)
+        text_before_table, table_text = parts
+
+        # Check translation cache for text before table
+        translated_before_table = self.translation_cache.get(text_before_table)
+        if translated_before_table is None:
+            translated_before_table = self.translate(
+                text_before_table,
+                self.valves.source_user,
+                self.valves.target_user,
+            )
+            self.translation_cache[text_before_table] = translated_before_table
+
+        translated_user_message = translated_before_table + table_text
+
+        # Clean table delimiters
+        translated_user_message = self.clean_table_delimiters(translated_user_message)
+
+        # Restore code blocks
+        for code_block in self.code_blocks:
+            translated_user_message = translated_user_message.replace('__CODE_BLOCK__', code_block, 1)
+
+        print(f"Translated user message: {translated_user_message}")
+
+        for message in reversed(messages):
+            if message["role"] == "user":
+                message["content"] = translated_user_message
+                break
+
+        body = {**body, "messages": messages}
+        return body
+
+    async def outlet(self, body: dict, user: Optional[dict] = None) -> dict:
+        print(f"outlet:{__name__}")
+
+        messages = body["messages"]
+        assistant_message = get_last_assistant_message(messages)
+
+        print(f"Assistant message: {assistant_message}")
+
+        # Find and store code blocks
+        code_block_regex = r'```[\s\S]+?```'
+        self.code_blocks = re.findall(code_block_regex, assistant_message)
+        # Replace code blocks with placeholders
+        assistant_message_no_code = re.sub(code_block_regex, '__CODE_BLOCK__', assistant_message)
+
+        parts = self.split_text_around_table(assistant_message_no_code)
+        text_before_table, table_text = parts
+
+        # Check translation cache for text before table
+        translated_before_table = self.translation_cache.get(text_before_table)
+        if translated_before_table is None:
+            translated_before_table = self.translate(
+                text_before_table,
+                self.valves.source_assistant,
+                self.valves.target_assistant,
+            )
+            self.translation_cache[text_before_table] = translated_before_table
+
+        translated_assistant_message = translated_before_table + table_text
+
+        # Clean table delimiters
+        translated_assistant_message = self.clean_table_delimiters(translated_assistant_message)
+
+        # Restore code blocks
+        for code_block in self.code_blocks:
+            translated_assistant_message = translated_assistant_message.replace('__CODE_BLOCK__', code_block, 1)
+
+        print(f"Translated assistant message: {translated_assistant_message}")
+
+        for message in reversed(messages):
+            if message["role"] == "assistant":
+                message["content"] = translated_assistant_message
+                break
+
+        body = {**body, "messages": messages}
+        return body