(#93) feat: add caiyun translator (#160)

* feat: add caiyun translator

* format code and update README-CN.md

* fix: add caiyun_key args

* fix: add raise

---------

Co-authored-by: yihong0618 <zouzou0208@gmail.com>

README-CN.md

@@ -75,6 +75,13 @@ python3 make_book.py --book_name test_books/the_little_prince.txt --test
 # 聚合多行翻译 txt 文件 
 python3 make_book.py --book_name test_books/the_little_prince.txt --test --batch_size 20
 
+# 使用彩云小译翻译(彩云api目前只支持: 简体中文 <-> 英文， 简体中文 <-> 日语)
+# 彩云提供了测试token（3975l6lr5pcbvidl6jl2）
+# 你可以参考这个教程申请自己的token (https://bobtranslate.com/service/translate/caiyun.html)
+python3 make_book.py --model caiyun --openai_key 3975l6lr5pcbvidl6jl2 --book_name test_books/animal_farm.epub
+# 可以在环境变量中设置BBM_CAIYUN_API_KEY，略过--openai_key
+export BBM_CAIYUN_API_KEY=${your_api_key}
+
 ```
 
 更加小白的示例

README.md

@@ -77,6 +77,15 @@ python3 make_book.py --book_from kobo --device_path /tmp/kobo
 python3 make_book.py --book_name test_books/the_little_prince.txt --test --language zh-hans
 # aggregated translation txt file
 python3 make_book.py --book_name test_books/the_little_prince.txt --test --batch_size 20
+
+# Using Caiyun model to translate
+# (the api currently only support: simplified chinese <-> english, simplified chinese <-> japanese)
+# the official Caiyun has provided a test token (3975l6lr5pcbvidl6jl2)
+# you can apply your own token by following this tutorial(https://bobtranslate.com/service/translate/caiyun.html)
+python3 make_book.py --model caiyun --openai_key 3975l6lr5pcbvidl6jl2 --book_name test_books/animal_farm.epub
+# Set env BBM_CAIYUN_API_KEY to ignore option --openai_key
+export BBM_CAIYUN_API_KEY=${your_api_key}
+
 ```
 
 More understandable example

book_maker/cli.py

@@ -100,7 +100,7 @@ def main():
         dest="model",
         type=str,
         default="chatgptapi",
-        choices=["chatgptapi", "gpt3", "google"],  # support DeepL later
+        choices=["chatgptapi", "gpt3", "google", "caiyun"],  # support DeepL later
         metavar="MODEL",
         help="model to use, available: {%(choices)s}",
     )
@@ -162,6 +162,12 @@ def main():
         default=10,
         help="how many lines will be translated by aggregated translation(This options currently only applies to txt files)",
     )
+    parser.add_argument(
+        "--caiyun_key",
+        dest="caiyun_key",
+        type=str,
+        help="you can apply caiyun key from here (https://dashboard.caiyunapp.com/user/sign_in/)",
+    )
 
     options = parser.parse_args()
     PROXY = options.proxy
@@ -185,8 +191,13 @@ def main():
             raise Exception(
                 "OpenAI API key not provided, please google how to obtain it"
             )
+        API_KEY = OPENAI_API_KEY
+    elif options.model == "caiyun":
+        API_KEY = options.caiyun_key or env.get("BBM_CAIYUN_API_KEY")
+        if not API_KEY:
+            raise Exception("Please provid caiyun key")
     else:
-        OPENAI_API_KEY = ""
+        API_KEY = ""
 
     if options.book_from == "kobo":
         import book_maker.obok as obok
@@ -218,7 +229,7 @@ def main():
     e = book_loader(
         options.book_name,
         translate_model,
-        OPENAI_API_KEY,
+        API_KEY,
         options.resume,
         language=language,
         model_api_base=model_api_base,

book_maker/translator/__init__.py

@@ -1,10 +1,12 @@
 from book_maker.translator.chatgptapi_translator import ChatGPTAPI
 from book_maker.translator.google_translator import Google
 from book_maker.translator.gpt3_translator import GPT3
+from book_maker.translator.caiyun_translator import Caiyun
 
 MODEL_DICT = {
     "chatgptapi": ChatGPTAPI,
     "gpt3": GPT3,
-    "google": Google
+    "google": Google,
+    "caiyun": Caiyun
     # add more here
 }

book_maker/translator/caiyun_translator.py

@@ -0,0 +1,43 @@
+import json
+
+import requests
+
+from .base_translator import Base
+
+
+class Caiyun(Base):
+    """
+    caiyun translator
+    """
+
+    def __init__(self, key, language, **kwargs):
+        super().__init__(key, language)
+        self.api_url = "http://api.interpreter.caiyunai.com/v1/translator"
+        self.headers = {
+            "content-type": "application/json",
+            "x-authorization": "token " + key,
+        }
+        # caiyun api only supports: zh2en, zh2ja, en2zh, ja2zh
+        self.translate_type = "auto2zh"
+        if self.language == "english":
+            self.translate_type = "auto2en"
+        elif self.language == "japanese":
+            self.translate_type = "auto2ja"
+
+    def rotate_key(self):
+        pass
+
+    def translate(self, text):
+        print(text)
+        payload = {
+            "source": text,
+            "trans_type": self.translate_type,
+            "request_id": "demo",
+            "detect": True,
+        }
+        response = requests.request(
+            "POST", self.api_url, data=json.dumps(payload), headers=self.headers
+        )
+        t_text = json.loads(response.text)["target"]
+        print(t_text)
+        return t_text