Repository: JeffersonQin/lightnovel_epub Branch: master Commit: 05a6aee5a51f Files: 15 Total size: 96.5 KB Directory structure: gitextract_33nrehfm/ ├── .gitignore ├── LICENSE ├── LICENSE_AGPL ├── LICENSE_MIT ├── README.md ├── cli.py ├── gui.py ├── lightnovel.py ├── provider/ │ ├── lk_mobile.py │ ├── lk_new.py │ └── wenku8.py ├── requirements.txt └── utils/ ├── checker.py ├── downloader.py └── echo.py ================================================ FILE CONTENTS ================================================ ================================================ FILE: .gitignore ================================================ # Custom settings dump # VSCode settings .vscode # Byte-compiled / optimized / DLL files __pycache__/ *.py[cod] *$py.class # C extensions *.so # Distribution / packaging .Python build/ develop-eggs/ dist/ downloads/ eggs/ .eggs/ lib/ lib64/ parts/ sdist/ var/ wheels/ pip-wheel-metadata/ share/python-wheels/ *.egg-info/ .installed.cfg *.egg MANIFEST # PyInstaller # Usually these files are written by a python script from a template # before PyInstaller builds the exe, so as to inject date/other infos into it. *.manifest *.spec # Installer logs pip-log.txt pip-delete-this-directory.txt # Unit test / coverage reports htmlcov/ .tox/ .nox/ .coverage .coverage.* .cache nosetests.xml coverage.xml *.cover *.py,cover .hypothesis/ .pytest_cache/ # Translations *.mo *.pot # Django stuff: *.log local_settings.py db.sqlite3 db.sqlite3-journal # Flask stuff: instance/ .webassets-cache # Scrapy stuff: .scrapy # Sphinx documentation docs/_build/ # PyBuilder target/ # Jupyter Notebook .ipynb_checkpoints # IPython profile_default/ ipython_config.py # pyenv .python-version # pipenv # According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. # However, in case of collaboration, if having platform-specific dependencies or dependencies # having no cross-platform support, pipenv may install dependencies that don't work, or not # install all needed dependencies. #Pipfile.lock # PEP 582; used by e.g. github.com/David-OConnor/pyflow __pypackages__/ # Celery stuff celerybeat-schedule celerybeat.pid # SageMath parsed files *.sage.py # Environments .env .venv env/ venv/ ENV/ env.bak/ venv.bak/ # Spyder project settings .spyderproject .spyproject # Rope project settings .ropeproject # mkdocs documentation /site # mypy .mypy_cache/ .dmypy.json dmypy.json # Pyre type checker .pyre/ ================================================ FILE: LICENSE ================================================ MIXED LICENSE lightnovel.py and cli.py are licensed under AGPL license. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If your software can interact with users remotely through a computer network, you should also make sure that it provides a way for users to get its source. For example, if your program is a web application, its interface could display a "Source" link that leads users to an archive of the code. 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For more information on this, and how to apply and follow the GNU AGPL, see . ================================================ FILE: LICENSE_MIT ================================================ MIT License Copyright (c) 2021 gyro永不抽风 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ================================================ FILE: README.md ================================================ - [Introduction](#introduction) - [Supported Sites Overview](#supported-sites-overview) - [Requirements](#requirements) - [Usage Overview](#usage-overview) - [Usage](#usage) - [轻之国度](#轻之国度) - [Options](#options) - [高权限文章](#高权限文章) - [缓存相关](#缓存相关) - [轻之国度 App](#轻之国度-app) - [Options](#options-1) - [Prerequisite](#prerequisite) - [Background](#background) - [界面布局相关参数](#界面布局相关参数) - [旋转相关](#旋转相关) - [合并模式相关](#合并模式相关) - [Mumu 模拟器点击位置不正确解决方案](#mumu-模拟器点击位置不正确解决方案) - [缓存相关](#缓存相关-1) - [轻小说文库](#轻小说文库) - [Options](#options-2) - [缓存相关](#缓存相关-2) - [指定卷数](#指定卷数) - [Known Issues](#known-issues) - [TODO](#todo) - [Contribution](#contribution) - [LICENSE](#license) - [技术分析](#技术分析) - [原理概览](#原理概览) - [轻之国度网页版 合集文章](#轻之国度网页版-合集文章) # Introduction ~~本工具用于基于[轻之国度](https://lightnovel.us)网页或 app 生成`epub`小说。~~ Update [2022/01/20]: **现已升级成为轻小说 epub 生成框架，支持更多网站**~~（当年名字取得好啊！）~~ Update [2023/09/08 (EST)]: 呃呃 LK 加了 Cloudflare 反爬，直接下载是寄了，但是还可以通过保存 `html` 然后指定 `--lk-html-dump` 参数来解决问题。 **注意：本工具仅作学习交流使用，作者不对内容和使用情况付任何责任！** ~~本来就是一个面向过程的小工具，怎么越发繁琐起来了。。。这里还要感慨一下LK牛逼的防御技术~~ # Supported Sites Overview | 站点 | 单页 | 合集 | 详细说明 | | :--: | :---: | :---: | :-: | | [轻之国度](https://www.lightnovel.us) | ✅ | ✅ | [说明](#轻之国度) | | 轻之国度 App | ✅ | ❌ | [说明](#轻之国度-app) | | [轻小说文库](https://www.wenku8.net/index.php) | ❌ | ✅ | [说明](#轻小说文库) | # Requirements * python 3.5 + * click * beautifulsoup4 * requests * ebooklib * uiautomator2 * dominate * opencc * opencv * js2py # Usage Overview 下载命令： ```bash python3 cli.py download ``` 下面是我写的 `--help`: ``` $ python3 cli.py download --help Usage: cli.py download [OPTIONS] URL download the light novel ARGUMENTS: * URL: url of light novel to download Options: --dump-path PATH directory for dumping files and caches --title TEXT title of light novel --authors TEXT authors' names, separated by comma (,) --identifier TEXT identifier of light novel --cover-link TEXT cover link of light novel. cover link can either be web link or file path. if it is not beginned with "http", it would be recognized as file path. if nothing was given, then it will use the first picture of webpage. --cvt TEXT OpenCC conversion configuration, used to convert between different Chinese characters. you can choose the value from "s2t", "t2s", "s2tw", "tw2s", "s2hk", "hk2s", "s2twp", "tw2sp", "t2tw", "hk2t", "t2hk", "t2jp", "jp2t", "tw2t". if nothing is provided, no conversion would be performed. for more information, please visit: https://github.com/BYVoid/OpenCC --path PATH directory for saving the light novel --lk-html-dump PATH (lightnovel.us) html content dump file path --wenku8-volume INTEGER (wenku8.net) identify the index of the volume to generate. -1 means every volume, which is also the default option. index starts from 1. --lk-mobile-top-area-height INTEGER (lk mobile) the height of the top area --lk-mobile-bottom-area-height INTEGER (lk mobile) the height of the bottom area --lk-mobile-image-equal-threshold INTEGER (lk mobile) the threshold of judging whether two images are equal --lk-mobile-safe-area-padding INTEGER (lk mobile) the padding of the safe area --lk-mobile-vert-dump PATH (lk mobile) vertical content dump file path --lk-mobile-horz-dump PATH (lk mobile) horizontal content dump file path --lk-mobile-html-dump PATH (lk mobile) html content dump file path --lk-mobile-conflict-mode BOOLEAN (lk mobile) whether to resolve conflict manually --lk-mobile-ignore-newline BOOLEAN (lk mobile) whether to ignore newline --help Show this message and exit. ``` 注意： * 书籍有关的 `options` 可以直接忽略，因为执行命令后如果发现没有 `options` 会进行第二轮询问。 * `dump-path` 是指缓存以及其他的临时文件的输出位置，若提示找不到路径，创建即可 * 针对每个网站，可能有自己的 `options`，具体可以参见 `help` 和下一小节 # Usage ## 轻之国度 ### Options ``` --lk-html-dump PATH (lightnovel.us) html content dump file path ``` ### 高权限文章 有部分文章会 **先显示无权限观看，后可以观看 先显示无权限观看，后可以观看**。这种情况下，浏览器保存 `HTML`，然后启用 `--lk-html-dump` 选项即可。 ### 缓存相关 * 单页面 * 会缓存 HTML，每下载一张图片后会用本地路径替换掉 HTML 中的链接 * 合集 * 每篇文章都会像单页面一样进行缓存 | 情形 | 加载命令 | 描述 | 文件格式 | 文件名规范 | | :-: | :-: | :-: | :-: | :-: | | 单文章 | `--lk-html-dump` | 文章内容 | HTML | `.html` | | 合集内文章 | 无，但会检查 `dump-path` 内是否存在 | 文章内容 | HTML | `.html` | ## 轻之国度 App ### Options 由于没有 URL，所以在这种情况下 url 参数应指定为 `lk-mobile`，并打开需要处理的页面。 ``` --lk-mobile-top-area-height INTEGER (lk mobile) the height of the top area --lk-mobile-bottom-area-height INTEGER (lk mobile) the height of the bottom area --lk-mobile-image-equal-threshold INTEGER (lk mobile) the threshold of judging whether two images are equal --lk-mobile-safe-area-padding INTEGER (lk mobile) the padding of the safe area --lk-mobile-vert-dump PATH (lk mobile) vertical content dump file path --lk-mobile-horz-dump PATH (lk mobile) horizontal content dump file path --lk-mobile-html-dump PATH (lk mobile) html content dump file path --lk-mobile-conflict-mode BOOLEAN (lk mobile) whether to resolve conflict manually --lk-mobile-ignore-newline BOOLEAN (lk mobile) whether to ignore newline ``` ### Prerequisite 首先，不管是模拟器还是真机，都需要开启 ADB。现在的代码只适用于只有一个 ADB 设备的情况，如果有需求，请自行修改 `provider/lk_mobile.py`。 TODO: - [ ] 日后为这块增加命令行参数 ### Background 对 app 模拟手的滚动操作，同时获取元素，最后生成 epub。 注意到：客户端非常恶心，每一行文本都是一个 View，所以我采用了 Portrait 和 Landscape 扫两遍，然后双指针 Merge 的思路来进行对抗，效果喜人。 ![](./assets/text-split.png) ### 界面布局相关参数 * `--lk-mobile-top-area-height`: 设备最顶端到导航栏的高度 * `--lk-mobile-bottom-area-height`: 设备下方评论栏的高度 * 上面两个参数默认值为分辨率是 Nox 模拟器 **3840 * 2160** 的情况 * 其余的可以保持默认，有兴趣可以研究
### 旋转相关 * 最开始进入页面之前屏幕应为 Portrait 状态，命令行会要求用户确认 * Portrait 扫描完成之后，设备会自动进入 Landscape 状态，但是需要用户退出界面并重新进入，原因是需要 Layout 重新加载。这一步同样会要求用户确认 * 由于图片的获取是通过截图，所以建议将分辨率调高 * 由于整个过程耗时长，可能出现意外状况，故有若干 `dump` 命令。`--vert-dump` 可以加载之前操作获取的 Portrait (Vertical) 数据，`--horz-dump` 可以加载之前操作获取的 Landscape (Horizontal) 数据，`--html-dump` 可以加载之前导出的 `html` 数据 ![](assets/rotate-quit.png) ### 合并模式相关 `--lk-mobile-new-line` 和 `--lk-mobile-conflict-mode`这两个参数的诞生和排版有着密切的关系。举个简单的例子：
这是一前半段没有加粗的文字这是中间加粗的文字这是最后没有加粗的文字
如果上面这段话在同一行里，那么会解析成： ```json [ "这是一前半段没有加粗的文字\n这是中间加粗的文字\n这是最后没有加粗的文字" ] ``` 但是，如果排版变成了：
这是一前半段没有加粗的文字这是中间加粗的文字
这是最后没有加粗的文字
就会解析成： ```json [ "这是一前半段没有加粗的文字\n这是中间加粗的文字", "这是最后没有加粗的文字" ] ``` 可以发现有一个 `\n` 就这样凭空消失了。这就会导致一个问题：双指针扫描匹配的时候永远无法找到同样的文字内容。为了解决这个问题，我引入了两个方案： 1. `--lk-mobile-ignore-newline`: 将文中所有出现的 `\n` 全部忽略，效果很好。但是同时，我们也丧失了知道哪里有排版的机会。 2. `--lk-mobile-conflict-mode`: 程序最初的版本如果遇到图片但是文字还没有合并，会直接报错。如果加上了 `--lk-mobile-conflict-mode True` 就会在这个情况下让用户选择选择 Landscape 还是 Portrait 的版本。以后可能还会加上让用户手动输入的选项。 ### Mumu 模拟器点击位置不正确解决方案 Mumu 模拟器点击可能错位，如下图所示：
这种情况下只需在设置中交换长、宽数值即可，让宽大于长。 ### 缓存相关 上面已经提到，由于整过过程耗时很长，所以在获取完 Landscape 和 Portrait 数据后会分别写入到文件，两组数据合并完成后也会写入到 Html。 | 情形 | 加载命令 | 描述 | 文件格式 | 文件名规范 | | :-: | :-: | :-: | :-: | :-: | | 单文章 | `--lk-mobile-vert-dump` | 获取到的 Portrait 数据 | Pickle 二进制数据 | `.out` | | 单文章 | `--lk-mobile-horz-dump` | 获取到的 Landscape 数据 | Pickle 二进制数据 | `.out` | | 单文章 | `--lk-mobile-html-dump` | 合并后的数据 | HTML | `.html` | ## 轻小说文库 ### Options ``` --wenku8-volume INTEGER (wenku8.net) identify the index of the volume to generate. -1 means every volume, which is also the default option. index starts from 1. ``` ### 缓存相关 | 情形 | 加载命令 | 描述 | 文件格式 | 文件名规范 | | :-: | :-: | :-: | :-: | :-: | | 合集内文章 | 无，但会检查 `dump-path` 内是否存在 | 文章内容 | HTML | `.html` | ### 指定卷数 在轻小说文库的总览页面，一般以：卷 => 章 作为导航。而小说生成一般以卷为主。所以我们提供了指定卷数的选项：`--wenku8-volume`，来指定某一卷。若需要一并生成，参数为 -1 或保持默认。 # Known Issues * 轻之国度 * 【已解决，见上】~~对于部分 **先显示无权限观看**，**后可以观看** 的文章无效，以后可能会写浏览器模式~~ * 轻之国度 App * HTML 排版无法获取 * 【已解决】 ~~排版问题可能导致 Lanscape / Portrait 信息无法 Merge，如果遇到这种情况，找到任意一个 Case 的 `dump` 文件 (这里记作 `dump-file`)，并加上命令行参数：`--vert-dump --horz-dump `~~ # TODO - [x] 图片下载至临时路径 - [ ] 用 PyQt 写 GUI ~~(基本上是不可能了，完全不想写，而且也没有意义)~~ - [x] 为漫画提供更好的支持 - [ ] 增加更多 `metadata` : `tags`, `publisher`, ... - [ ] 自动抓取标题 - [ ] 自动生成目录，~~如果网页上有 headers 的话~~ - [ ] 添加自定义 CSS / 字体 等支持 - [x] 简繁自动转换 - [x] 模拟轻国手机版 - [ ] 增加移动端截屏图片压缩选项 - [ ] 目录多重嵌套 - [ ] 增加移动端 ADB 参数 相关帖子： * https://www.v2ex.com/t/800508 * https://www.lightnovel.us/cn/themereply/1088005 # Contribution 1. 在 `provider` 文件夹中新建文件，最主要实现两个方法： * `get_contents(url, dump_path)` 用来获取信息。返回值可以是 `str` 或 `list`。`list` 内的数据均为 `{'title': title, 'content': content}` * `get_cover(link, dump_path)` 用来获取封面。之所以有这个是因为某些站有特殊的 http header，我不说是谁 * 可以额外设计一些 `options`，写明即可 2. 在 `cli.py` 内接入即可 # LICENSE * `lightnovel.py`, `cli.py` 使用 AGPL License 授权（`ebooklib` 使用该协议） * 项目内的其他文件使用 MIT License 进行授权 # 技术分析 ~~以前写好了舍不得删掉所以再开一个板块，下面基本都是废话~~ ## 原理概览 直接抓取 HTML，然后将其中的图片下载至本地，随后打包成 EPUB。 EPUB 内部目录： ``` . ├── Images # 图片 │ ├── ... │ └── ... └── Text # 文本 ├── about.xhtml # 本项目自动生成 └── lightnovel.xhtml # 轻小说正文 ``` 对于合集文章： ``` . ├── Images # 图片 │ ├── ... │ └── ... └── Text # 文本 ├── about.xhtml # 本项目自动生成 ├── Section1.xhtml # P1 ├── Section2.xhtml # P2 └── ... ``` TODO: - [ ] 日后可能会支持多重嵌套 ## 轻之国度网页版 合集文章 对于合集文章，解析的过程比较有趣，这里讨论一下。 首先是对 HTML 的分析。 ![](./assets/series-inspector.png) 很遗憾，并不是 `` 也没有 `href`。去 `Source` 里一看，貌似框架选的是 `Vue`，不熟悉前端，不多做评价。 接着查看 `event`，发现是混淆过的 `js`，放弃逆向。 ![](./assets/series-event.png) 经观察，数据应该在文档最后的某个 `