Cumulative translation (#148)

.gitignore

@@ -132,3 +132,4 @@ dmypy.json
 .pyre/
 
 /test_books/*.epub
+log/

README.md

@@ -40,6 +40,9 @@ The bilingual_book_maker is an AI translation tool that uses ChatGPT to assist u
    If you need to set the `system` role content, you can use the following format: `--prompt '{"user":"Translate {text} to {language}", "system": "You are a professional translator."}'` or `--prompt prompt_template_sample.json` (example of a JSON file can be found at [./prompt_template_sample.json](./prompt_template_sample.json)).
    You can also set the `user` and `system` role prompt by setting environment variables: `BBM_CHATGPTAPI_USER_MSG_TEMPLATE` and `BBM_CHATGPTAPI_SYS_MSG`.
 - Use the `--batch_size` parameter to specify the number of lines for batch translation (default is 10, currently only effective for txt files).
+- `--accumulated_num` Wait for how many tokens have been accumulated before starting the translation. gpt3.5 limits the total_token to 4090. For example, if you use --accumulated_num 1600, maybe openai will
+output 2200 tokens and maybe 200 tokens for other messages in the system messages user messages, 1600+2200+200=4000, So you are close to reaching the limit. You have to choose your own
+value, there is no way to know if the limit is reached before sending
 
 ### Examples
 

book_maker/cli.py

@@ -170,6 +170,18 @@ def main():
         metavar="PROMPT_ARG",
         help="used for customizing the prompt. It can be the prompt template string, or a path to the template file. The valid placeholders are `{text}` and `{language}`.",
     )
+    parser.add_argument(
+        "--accumulated_num",
+        dest="accumulated_num",
+        type=int,
+        default=1,
+        help="""Wait for how many tokens have been accumulated before starting the translation.
+gpt3.5 limits the total_token to 4090.
+For example, if you use --accumulated_num 1600, maybe openai will output 2200 tokens
+and maybe 200 tokens for other messages in the system messages user messages, 1600+2200+200=4000,
+So you are close to reaching the limit. You have to choose your own value, there is no way to know if the limit is reached before sending
+""",
+    )
     parser.add_argument(
         "--batch_size",
         dest="batch_size",
@@ -250,6 +262,7 @@ def main():
         test_num=options.test_num,
         translate_tags=options.translate_tags,
         allow_navigable_strings=options.allow_navigable_strings,
+        accumulated_num=options.accumulated_num,
         prompt_config=parse_prompt_arg(options.prompt_arg),
         batch_size=options.batch_size,
     )

book_maker/loader/epub_loader.py

@@ -1,5 +1,7 @@
 import os
+import re
 import pickle
+import tiktoken
 import sys
 from copy import copy
 from pathlib import Path
@@ -15,6 +17,95 @@ from book_maker.utils import prompt_config_to_kwargs
 from .base_loader import BaseBookLoader
 
 
+class EPUBBookLoaderHelper:
+    def __init__(self, translate_model, accumulated_num):
+        self.translate_model = translate_model
+        self.accumulated_num = accumulated_num
+
+    def deal_new(self, p, wait_p_list):
+        self.deal_old(wait_p_list)
+        new_p = copy(p)
+        new_p.string = self.translate_model.translate(p.text)
+        p.insert_after(new_p)
+
+    def deal_old(self, wait_p_list):
+        if len(wait_p_list) == 0:
+            return
+
+        result_txt_list = self.translate_model.translate_list(wait_p_list)
+
+        for i in range(len(wait_p_list)):
+            if i < len(result_txt_list):
+                p = wait_p_list[i]
+                new_p = copy(p)
+                new_p.string = result_txt_list[i]
+                p.insert_after(new_p)
+
+        wait_p_list.clear()
+
+
+# ref: https://platform.openai.com/docs/guides/chat/introduction
+def num_tokens_from_text(text, model="gpt-3.5-turbo-0301"):
+    messages = (
+        {
+            "role": "user",
+            "content": text,
+        },
+    )
+
+    """Returns the number of tokens used by a list of messages."""
+    try:
+        encoding = tiktoken.encoding_for_model(model)
+    except KeyError:
+        encoding = tiktoken.get_encoding("cl100k_base")
+    if model == "gpt-3.5-turbo-0301":  # note: future models may deviate from this
+        num_tokens = 0
+        for message in messages:
+            num_tokens += (
+                4  # every message follows <im_start>{role/name}\n{content}<im_end>\n
+            )
+            for key, value in message.items():
+                num_tokens += len(encoding.encode(value))
+                if key == "name":  # if there's a name, the role is omitted
+                    num_tokens += -1  # role is always required and always 1 token
+        num_tokens += 2  # every reply is primed with <im_start>assistant
+        return num_tokens
+    else:
+        raise NotImplementedError(
+            f"""num_tokens_from_messages() is not presently implemented for model {model}.
+  See https://github.com/openai/openai-python/blob/main/chatml.md for information on how messages are converted to tokens."""
+        )
+
+
+def is_link(text):
+    url_pattern = re.compile(
+        r"http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+"
+    )
+    return bool(url_pattern.match(text.strip()))
+
+
+def is_tail_Link(text, num=100):
+    text = text.strip()
+    url_pattern = re.compile(
+        r".*http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+$"
+    )
+    return bool(url_pattern.match(text)) and len(text) < num
+
+
+def is_source(text):
+    return text.strip().startswith("Source: ")
+
+
+def is_list(text, num=80):
+    text = text.strip()
+    return re.match(r"^Listing\s*\d+", text) and len(text) < num
+
+
+def is_figure(text, num=80):
+    text = text.strip()
+    return re.match(r"^Figure\s*\d+", text) and len(text) < num
+
+
 class EPUBBookLoader(BaseBookLoader):
     def __init__(
         self,
@@ -29,6 +120,8 @@ class EPUBBookLoader(BaseBookLoader):
         test_num=5,
         translate_tags="p",
         allow_navigable_strings=False,
+        accumulated_num=1,
+        prompt_template=None,
         prompt_config=None,
     ):
         self.epub_name = epub_name
@@ -43,6 +136,8 @@ class EPUBBookLoader(BaseBookLoader):
         self.test_num = test_num
         self.translate_tags = translate_tags
         self.allow_navigable_strings = allow_navigable_strings
+        self.accumulated_num = accumulated_num
+        self.helper = EPUBBookLoaderHelper(self.translate_model, self.accumulated_num)
 
         try:
             self.origin_book = epub.read_epub(self.epub_name)
@@ -70,7 +165,7 @@ class EPUBBookLoader(BaseBookLoader):
 
     @staticmethod
     def _is_special_text(text):
-        return text.isdigit() or text.isspace()
+        return text.isdigit() or text.isspace() or is_link(text)
 
     def _make_new_book(self, book):
         new_book = epub.EpubBook()
@@ -79,6 +174,70 @@ class EPUBBookLoader(BaseBookLoader):
         new_book.toc = book.toc
         return new_book
 
+    def _process_paragraph(self, p, index, p_to_save_len):
+        if not p.text or self._is_special_text(p.text):
+            return index
+
+        new_p = copy(p)
+
+        if self.resume and index < p_to_save_len:
+            new_p.string = self.p_to_save[index]
+        else:
+            if type(p) == NavigableString:
+                new_p = self.translate_model.translate(p.text)
+                self.p_to_save.append(new_p)
+            else:
+                new_p.string = self.translate_model.translate(p.text)
+                self.p_to_save.append(new_p.text)
+
+        p.insert_after(new_p)
+        index += 1
+
+        if index % 20 == 0:
+            self._save_progress()
+
+        return index
+
+    def translate_paragraphs_acc(self, p_list, send_num):
+        count = 0
+        wait_p_list = []
+        for i in range(len(p_list)):
+            p = p_list[i]
+            temp_p = copy(p)
+            for sup in temp_p.find_all("sup"):
+                sup.extract()
+            if (
+                not p.text
+                or self._is_special_text(temp_p.text)
+                or is_source(temp_p.text)
+                or is_list(temp_p.text)
+                or is_figure(temp_p.text)
+                or is_tail_Link(temp_p.text)
+            ):
+                continue
+            length = num_tokens_from_text(temp_p.text)
+            if length > send_num:
+                self.helper.deal_new(p, wait_p_list)
+                continue
+            if i == len(p_list) - 1:
+                if count + length < send_num:
+                    wait_p_list.append(p)
+                    self.helper.deal_old(wait_p_list)
+                else:
+                    self.helper.deal_new(p, wait_p_list)
+                break
+            if count + length < send_num:
+                count += length
+                wait_p_list.append(p)
+                # This is because the more paragraphs, the easier it is possible to translate different numbers of paragraphs, maybe you should find better values than 15 and 2
+                # if len(wait_p_list) > 15 and count > send_num / 2:
+                #     self.helper.deal_old(wait_p_list)
+                #     count = 0
+            else:
+                self.helper.deal_old(wait_p_list)
+                wait_p_list.append(p)
+                count = length
+
     def make_bilingual_book(self):
         new_book = self._make_new_book(self.origin_book)
         all_items = list(self.origin_book.get_items())
@@ -99,43 +258,53 @@ class EPUBBookLoader(BaseBookLoader):
         index = 0
         p_to_save_len = len(self.p_to_save)
         try:
+            # Add the things that don't need to be translated first, so that you can see the img after the interruption
             for item in self.origin_book.get_items():
-                if item.get_type() == ITEM_DOCUMENT:
+                if item.get_type() != ITEM_DOCUMENT:
+                    new_book.add_item(item)
+
+            for item in self.origin_book.get_items_of_type(ITEM_DOCUMENT):
+                # if item.file_name != "OEBPS/ch01.xhtml":
+                #     continue
+                if not os.path.exists("log"):
+                    os.makedirs("log")
+
                 soup = bs(item.content, "html.parser")
                 p_list = soup.findAll(trans_taglist)
                 if self.allow_navigable_strings:
                     p_list.extend(soup.findAll(text=True))
+
+                send_num = self.accumulated_num
+                if send_num > 1:
+                    with open("log/buglog.txt", "a") as f:
+                        print(f"------------- {item.file_name} -------------", file=f)
+
+                    print("------------------------------------------------------")
+                    print(f"dealing {item.file_name} ...")
+                    self.translate_paragraphs_acc(p_list, send_num)
+                else:
                     is_test_done = self.is_test and index > self.test_num
                     for p in p_list:
-                        if is_test_done or not p.text or self._is_special_text(p.text):
+                        if is_test_done:
-                            continue
+                            break
-                        new_p = copy(p)
+                        index = self._process_paragraph(p, index, p_to_save_len)
-                        # TODO banch of p to translate then combine
-                        # PR welcome here
-                        if self.resume and index < p_to_save_len:
-                            new_p.string = self.p_to_save[index]
-                        else:
-                            if type(p) == NavigableString:
-                                new_p = self.translate_model.translate(p.text)
-                                self.p_to_save.append(new_p)
-                            else:
-                                new_p.string = self.translate_model.translate(p.text)
-                                self.p_to_save.append(new_p.text)
-                        p.insert_after(new_p)
-                        index += 1
-                        if index % 20 == 0:
-                            self._save_progress()
                         # pbar.update(delta) not pbar.update(index)?
                         pbar.update(1)
                         if self.is_test and index >= self.test_num:
                             break
+
                 item.content = soup.prettify().encode()
                 new_book.add_item(item)
+                if self.accumulated_num > 1:
                     name, _ = os.path.splitext(self.epub_name)
                     epub.write_epub(f"{name}_bilingual.epub", new_book, {})
+            name, _ = os.path.splitext(self.epub_name)
+            epub.write_epub(f"{name}_bilingual.epub", new_book, {})
+            if self.accumulated_num == 1:
                 pbar.close()
         except (KeyboardInterrupt, Exception) as e:
             print(e)
+            if self.accumulated_num == 1:
                 print("you can resume it next time")
                 self._save_progress()
                 self._save_temp_book()

book_maker/loader/txt_loader.py

@@ -20,6 +20,8 @@ class TXTBookLoader(BaseBookLoader):
         model_api_base=None,
         is_test=False,
         test_num=5,
+        accumulated_num=1,
+        prompt_template=None,
         prompt_config=None,
     ):
         self.txt_name = txt_name
@@ -102,7 +104,7 @@ class TXTBookLoader(BaseBookLoader):
             for i in range(0, len(self.origin_book), self.batch_size)
         ]
 
-        for i in range(0, len(sliced_list)):
+        for i in range(len(sliced_list)):
             batch_text = "".join(sliced_list[i])
             self.bilingual_temp_result.append(batch_text)
             if self._is_special_text(self.origin_book[i]):

book_maker/translator/chatgptapi_translator.py

@@ -1,4 +1,6 @@
 import time
+import re
+from copy import copy
 from os import environ
 
 import openai
@@ -38,46 +40,85 @@ class ChatGPTAPI(Base):
                 "OPENAI_API_SYS_MSG"
             )  # XXX: for backward compatability, deprecate soon
             or environ.get(PROMPT_ENV_MAP["system"])
+            or ""
         )
+        self.system_content = environ.get("OPENAI_API_SYS_MSG") or ""
+
+    max_num_token = -1
 
     def rotate_key(self):
         openai.api_key = next(self.keys)
 
-    def get_translation(self, text):
+    def create_chat_completion(self, text):
-        self.rotate_key()
+        content = self.prompt_template.format(text=text, language=self.language)
-        messages = []
+        sys_content = self.prompt_sys_msg
-        if self.prompt_sys_msg:
+        if self.system_content:
-            messages.append(
+            sys_content = self.system_content
-                {"role": "system", "content": self.prompt_sys_msg},
+        messages = [
-            )
+            {"role": "system", "content": sys_content},
-        messages.append(
+            {"role": "user", "content": content},
-            {
+        ]
-                "role": "user",
-                "content": self.prompt_template.format(
-                    text=text, language=self.language
-                ),
-            }
-        )
 
-        completion = openai.ChatCompletion.create(
+        return openai.ChatCompletion.create(
             model="gpt-3.5-turbo",
             messages=messages,
         )
-        t_text = (
+
-            completion["choices"][0]
+    def get_translation(self, text):
-            .get("message")
+        self.rotate_key()
-            .get("content")
+
-            .encode("utf8")
+        completion = {}
-            .decode()
+        try:
+            completion = self.create_chat_completion(text)
+        except Exception:
+            if (
+                not "choices" in completion
+                or not isinstance(completion["choices"], list)
+                or len(completion["choices"]) == 0
+            ):
+                raise
+            if completion["choices"][0]["finish_reason"] != "length":
+                raise
+
+        # work well or exception finish by length limit
+        choice = completion["choices"][0]
+
+        t_text = choice.get("message").get("content").encode("utf8").decode()
+
+        if choice["finish_reason"] == "length":
+            with open("long_text.txt", "a") as f:
+                print(
+                    f"""==================================================
+The total token is too long and cannot be completely translated\n
+{text}
+""",
+                    file=f,
                 )
+
+        # usage = completion["usage"]
+        # print(f"total_token: {usage['total_tokens']}")
+        # if int(usage["total_tokens"]) > self.max_num_token:
+        #     self.max_num_token = int(usage["total_tokens"])
+        #     print(
+        #         f"{usage['total_tokens']} {usage['prompt_tokens']} {usage['completion_tokens']} {self.max_num_token} (total_token, prompt_token, completion_tokens, max_history_total_token)"
+        #     )
         return t_text
 
-    def translate(self, text):
+    def translate(self, text, needprint=True):
+        # print("=================================================")
+        start_time = time.time()
         # todo: Determine whether to print according to the cli option
-        print(text)
+        if needprint:
+            print(re.sub("\n{3,}", "\n\n", text))
 
+        attempt_count = 0
+        max_attempts = 3
+        t_text = ""
+
+        while attempt_count < max_attempts:
             try:
                 t_text = self.get_translation(text)
+                break
             except Exception as e:
                 # todo: better sleep time? why sleep alawys about key_len
                 # 1. openai server error or own network interruption, sleep for a fixed time
@@ -86,9 +127,123 @@ class ChatGPTAPI(Base):
                 sleep_time = int(60 / self.key_len)
                 print(e, f"will sleep {sleep_time} seconds")
                 time.sleep(sleep_time)
-
+                attempt_count += 1
-            t_text = self.get_translation(text)
+                if attempt_count == max_attempts:
+                    print(f"Get {attempt_count} consecutive exceptions")
+                    raise
 
         # todo: Determine whether to print according to the cli option
-        print(t_text.strip())
+        if needprint:
+            print(re.sub("\n{3,}", "\n\n", t_text))
+
+        elapsed_time = time.time() - start_time
+        # print(f"translation time: {elapsed_time:.1f}s")
+
         return t_text
+
+    def translate_and_split_lines(self, text):
+        result_str = self.translate(text, False)
+        lines = result_str.split("\n")
+        lines = [line.strip() for line in lines if line.strip() != ""]
+        return lines
+
+    def get_best_result_list(
+        self, plist_len, new_str, sleep_dur, result_list, max_retries=15
+    ):
+        if len(result_list) == plist_len:
+            return result_list, 0
+
+        best_result_list = result_list
+        retry_count = 0
+
+        while retry_count < max_retries and len(result_list) != plist_len:
+            print(
+                f"bug: {plist_len} -> {len(result_list)} : Number of paragraphs before and after translation"
+            )
+            print(f"sleep for {sleep_dur}s and retry {retry_count+1} ...")
+            time.sleep(sleep_dur)
+            retry_count += 1
+            result_list = self.translate_and_split_lines(new_str)
+            if (
+                len(result_list) == plist_len
+                or len(best_result_list) < len(result_list) <= plist_len
+                or (
+                    len(result_list) < len(best_result_list)
+                    and len(best_result_list) > plist_len
+                )
+            ):
+                best_result_list = result_list
+
+        return best_result_list, retry_count
+
+    def log_retry(self, state, retry_count, elapsed_time, log_path="log/buglog.txt"):
+        if retry_count == 0:
+            return
+        print(f"retry {state}")
+        with open(log_path, "a") as f:
+            print(
+                f"retry {state}, count = {retry_count}, time = {elapsed_time:.1f}s",
+                file=f,
+            )
+
+    def log_translation_mismatch(
+        self, plist_len, result_list, new_str, sep, log_path="log/buglog.txt"
+    ):
+        if len(result_list) == plist_len:
+            return
+        newlist = new_str.split(sep)
+        with open(log_path, "a") as f:
+            print(f"problem size: {plist_len - len(result_list)}", file=f)
+            for i in range(len(newlist)):
+                print(newlist[i], file=f)
+                print(file=f)
+                if i < len(result_list):
+                    print(result_list[i], file=f)
+                    print(file=f)
+                print("=============================", file=f)
+        print(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
+
+        print(
+            f"bug: {plist_len} paragraphs of text translated into {len(result_list)} paragraphs"
+        )
+        print("continue")
+
+    def translate_list(self, plist):
+        sep = "\n\n\n\n\n"
+        # new_str = sep.join([item.text for item in plist])
+
+        new_str = ""
+        i = 1
+        for p in plist:
+            temp_p = copy(p)
+            for sup in temp_p.find_all("sup"):
+                sup.extract()
+            new_str += f"({i}) " + temp_p.get_text().strip() + sep
+            i = i + 1
+
+        if new_str.endswith(sep):
+            new_str = new_str[: -len(sep)]
+
+        plist_len = len(plist)
+
+        print(f"plist len = {len(plist)}")
+
+        result_list = self.translate_and_split_lines(new_str)
+
+        start_time = time.time()
+
+        result_list, retry_count = self.get_best_result_list(
+            plist_len, new_str, 6, result_list
+        )
+
+        end_time = time.time()
+
+        state = "fail" if len(result_list) != plist_len else "success"
+        log_path = "log/buglog.txt"
+
+        self.log_retry(state, retry_count, end_time - start_time, log_path)
+        self.log_translation_mismatch(plist_len, result_list, new_str, sep, log_path)
+
+        # del (num), num. sometime (num) will translated to num.
+        result_list = [re.sub(r"^(\(\d+\)|\d+\.)\s*", "", s) for s in result_list]
+        return result_list

requirements.txt

@@ -4,3 +4,4 @@ requests
 ebooklib
 rich
 tqdm
+tiktoken