diff --git a/.buildinfo b/.buildinfo new file mode 100644 index 0000000..bb650f3 --- /dev/null +++ b/.buildinfo @@ -0,0 +1,4 @@ +# Sphinx build info version 1 +# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done. +config: 5399e99189cb5de643c017ca63639869 +tags: 645f666f9bcd5a90fca523b33c5a78b7 diff --git a/.doctrees/environment.pickle b/.doctrees/environment.pickle new file mode 100644 index 0000000..e6fd169 Binary files /dev/null and b/.doctrees/environment.pickle differ diff --git a/.doctrees/index.doctree b/.doctrees/index.doctree new file mode 100644 index 0000000..b4d4993 Binary files /dev/null and b/.doctrees/index.doctree differ diff --git a/.doctrees/pages/desktop_guide.doctree b/.doctrees/pages/desktop_guide.doctree new file mode 100644 index 0000000..e8bcf68 Binary files /dev/null and b/.doctrees/pages/desktop_guide.doctree differ diff --git a/.doctrees/pages/developers/developer_guide.doctree b/.doctrees/pages/developers/developer_guide.doctree new file mode 100644 index 0000000..3184c73 Binary files /dev/null and b/.doctrees/pages/developers/developer_guide.doctree differ diff --git a/.doctrees/pages/developers/task_executor.doctree b/.doctrees/pages/developers/task_executor.doctree new file mode 100644 index 0000000..8a8e688 Binary files /dev/null and b/.doctrees/pages/developers/task_executor.doctree differ diff --git a/.nojekyll b/.nojekyll new file mode 100644 index 0000000..e69de29 diff --git a/_images/dashboard.png b/_images/dashboard.png new file mode 100644 index 0000000..b903bd9 Binary files /dev/null and b/_images/dashboard.png differ diff --git a/_images/tasks.png b/_images/tasks.png new file mode 100644 index 0000000..3ef0d29 Binary files /dev/null and b/_images/tasks.png differ diff --git a/_images/towers.png b/_images/towers.png new file mode 100644 index 0000000..3859126 Binary files /dev/null and b/_images/towers.png differ diff --git a/_sources/index.rst.txt b/_sources/index.rst.txt new file mode 100644 index 0000000..c009f2f --- /dev/null +++ b/_sources/index.rst.txt @@ -0,0 +1,35 @@ +.. MECAnywhere DApp documentation master file, created by + sphinx-quickstart on Wed Jun 5 17:28:09 2024. + You can adapt this file completely to your liking, but it should at least + contain the root `toctree` directive. + +Welcome to MECAnywhere Desktop's documentation! +=============================================== + +The guides here help you use MECAnywhere Desktop. You can also contribute to the project by following the developer guide. + +.. toctree:: + :maxdepth: 1 + :caption: For Users + + pages/desktop_guide + +.. toctree:: + :maxdepth: 1 + :caption: For Developers + + pages/developers/developer_guide + pages/developers/task_executor + +.. toctree:: + :maxdepth: 1 + :caption: Links + + Pymeca github + Pymeca documentation + MECAnywhere github + MECAnywhere documentation + MECAnywhere Desktop github + MECAnywhere Desktop documentation + Youtube + Technical guide video diff --git a/_sources/pages/desktop_guide.rst.txt b/_sources/pages/desktop_guide.rst.txt new file mode 100644 index 0000000..f894f21 --- /dev/null +++ b/_sources/pages/desktop_guide.rst.txt @@ -0,0 +1,6 @@ +User Guide +============= + +.. include:: /_static/desktop_guide.md + :parser: myst_parser.sphinx_ + :start-after: ## Introduction diff --git a/_sources/pages/developers/developer_guide.rst.txt b/_sources/pages/developers/developer_guide.rst.txt new file mode 100644 index 0000000..e7ce879 --- /dev/null +++ b/_sources/pages/developers/developer_guide.rst.txt @@ -0,0 +1,6 @@ +Developer Guide +=============== + +.. include:: /_static/developer_guide.md + :parser: myst_parser.sphinx_ + :start-line: 1 diff --git a/_sources/pages/developers/task_executor.rst.txt b/_sources/pages/developers/task_executor.rst.txt new file mode 100644 index 0000000..8c20f2e --- /dev/null +++ b/_sources/pages/developers/task_executor.rst.txt @@ -0,0 +1,6 @@ +Task Executor +============= + +.. include:: /_static/task_executor.md + :parser: myst_parser.sphinx_ + :start-line: 1 diff --git a/_static/_sphinx_javascript_frameworks_compat.js b/_static/_sphinx_javascript_frameworks_compat.js new file mode 100644 index 0000000..8141580 --- /dev/null +++ b/_static/_sphinx_javascript_frameworks_compat.js @@ -0,0 +1,123 @@ +/* Compatability shim for jQuery and underscores.js. + * + * Copyright Sphinx contributors + * Released under the two clause BSD licence + */ + +/** + * small helper function to urldecode strings + * + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#Decoding_query_parameters_from_a_URL + */ +jQuery.urldecode = function(x) { + if (!x) { + return x + } + return decodeURIComponent(x.replace(/\+/g, ' ')); +}; + +/** + * small helper function to urlencode strings + */ +jQuery.urlencode = encodeURIComponent; + +/** + * This function returns the parsed url parameters of the + * current request. Multiple values per key are supported, + * it will always return arrays of strings for the value parts. + */ +jQuery.getQueryParameters = function(s) { + if (typeof s === 'undefined') + s = document.location.search; + var parts = s.substr(s.indexOf('?') + 1).split('&'); + var result = {}; + for (var i = 0; i < parts.length; i++) { + var tmp = parts[i].split('=', 2); + var key = jQuery.urldecode(tmp[0]); + var value = jQuery.urldecode(tmp[1]); + if (key in result) + result[key].push(value); + else + result[key] = [value]; + } + return result; +}; + +/** + * highlight a given string on a jquery object by wrapping it in + * span elements with the given class name. + */ +jQuery.fn.highlightText = function(text, className) { + function highlight(node, addItems) { + if (node.nodeType === 3) { + var val = node.nodeValue; + var pos = val.toLowerCase().indexOf(text); + if (pos >= 0 && + !jQuery(node.parentNode).hasClass(className) && + !jQuery(node.parentNode).hasClass("nohighlight")) { + var span; 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+} + +div.section::after { + display: block; + content: ''; + clear: left; +} + +/* -- relbar ---------------------------------------------------------------- */ + +div.related { + width: 100%; + font-size: 90%; +} + +div.related h3 { + display: none; +} + +div.related ul { + margin: 0; + padding: 0 0 0 10px; + list-style: none; +} + +div.related li { + display: inline; +} + +div.related li.right { + float: right; + margin-right: 5px; +} + +/* -- sidebar --------------------------------------------------------------- */ + +div.sphinxsidebarwrapper { + padding: 10px 5px 0 10px; +} + +div.sphinxsidebar { + float: left; + width: 230px; + margin-left: -100%; + font-size: 90%; + word-wrap: break-word; + overflow-wrap : break-word; +} + +div.sphinxsidebar ul { + list-style: none; +} + +div.sphinxsidebar ul ul, +div.sphinxsidebar ul.want-points { + margin-left: 20px; + list-style: square; +} + +div.sphinxsidebar ul ul { + margin-top: 0; + margin-bottom: 0; +} + +div.sphinxsidebar form { + margin-top: 10px; 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b/_static/desktop_guide.md @@ -0,0 +1,50 @@ +# User Guide + +## Table of Contents +1. [Introduction](#Introduction) +2. [Installation](#Installation) +3. [Usage](#Usage) + +## Introduction +MECAnywhere Desktop is an interactive application that allows you to join the MECAnywhere ecosystem and start hosting your compute resources straight away. The application makes it easy and intuitive to manage your resources and monitor your transactions. It is designed to be user-friendly and accessible to most operating systems, including Windows, MacOS, and Linux. + +## Installation +Download the latest version of the application from the [MECAnywhere Desktop GitHub repository](https://github.com/sbip-sg/mecanywhere_desktop/releases). + +You will also need to have Docker installed on your machine. You can download Docker from the [official Docker website](https://www.docker.com/get-started). +You will also need to have IPFS installed on your machine. You can download an IPFS container from the [official IPFS website](https://docs.ipfs.tech/install/run-ipfs-inside-docker/). + +## Usage +To start the application, simply run the executable file that you downloaded. + +### Login +You will need several pieces of personal information to log in to the application: + +- Private keys from your blockchain wallet. You can use the private keys from your existing wallet like Metamask. These are used to sign transactions and interact with the MECAnywhere network. +- "HOST_ENCRYPTION_PRIVATE_KEY": This is a private key that is used for end-to-end encryption for task offloading. You can use the same key as the wallet key or generate a new key by creating a new account. + +Other information that you can provide: +- IPFS HOST AND PORT: the url to the node for retrieving tasks from IPFS. +- IPFS API HOST AND PORT: the url to the node for uploading tasks to IPFS. This should be a node you have write access to. +- BLOCKCHAIN RPC URL: the url to the blockchain node where the contracts are deployed. +- DAO CONTRACT ADDRESS: the address of the DAO contract on the blockchain, which is the entrypoint to all other functions of the MECAnywhere network. +- TASK EXECUTOR URL: the url to the task executor server, which is used to execute tasks on your machine. By default `http://mecanywhere-executor-1:2591`, and there is no need to change this unless you are running a custom task executor server. + +We have launched our smart contracts on the Ethereum Sepolia Testnet (address: 0x56873484BFB38789624ADeff6aF642A41246976f). You can get free testnet ETH from the [Sepolia Testnet Faucet](https://faucet.sepolia.io/) and use those accounts to interact with the MECAnywhere network. +To configure for Sepolia: +- MECA_BLOCKCHAIN_RPC_URL=https://eth-sepolia.g.alchemy.com/v2/nf3vIJJEKzQWwbKW1UHXvw1aKAeE6B97 +- MECA_DAO_CONTRACT_ADDRESS=0x56873484BFB38789624ADeff6aF642A41246976f + +### Dashboard and resource sharing +![Dashboard](/_static/images/dashboard.png) +Here you can see an overview of your resources and transactions. + +On the top left, you can customize the resources to share and enable it to be connected to the MECAnywhere ecosystem. This allows you to receive tasks from the MECAnywhere network and earn rewards. Tasks will automatically execute on your machine. You will have to activate chosen tasks in the Tasks Management section and also register for a tower in the Tower Management section before you can receive any task. + +### Tasks Management +![Tasks](/_static/images/tasks.png) +You can view the tasks that are available for downloading and activating. After downloading, it has to be built and tested before it can be activated. Once activated, other users will be able to send those specific tasks to your machine. + +### Tower Management +![Towers](/_static/images/towers.png) +You can view the towers that are available for registration. You can register for a tower which will relay tasks from other users to your machine. diff --git a/_static/developer_guide.md b/_static/developer_guide.md new file mode 100644 index 0000000..57ec2bd --- /dev/null +++ b/_static/developer_guide.md @@ -0,0 +1,210 @@ +# MECAnywhere Developer Guide + +The desktop app for interacting with MECAnywhere ecosystem. Uses Electron-React Boilerplate (Electron, React, React Router, Webpack) under the hood. + +### Install + +1. Clone the repo and install dependencies: + + ```bash + git clone https://github.com/sbip-sg/mecanywhere_desktop.git + npm install + ``` + +2. Install Docker Engine at https://docs.docker.com/engine/install/. + +3. Build the Task Executor's docker image with: + + ```bash + docker build -t mecanywhere-executor -f docker/Dockerfile . + ``` + +4. Install IPFS Kubo from https://github.com/ipfs/kubo.git + +### Starting Development + +1. Ensure that Docker Engine is installed and Docker Daemon is started. + +2. Ensure that IPFS is installed and IPFS Daemon is started. + +3. Set the environment variables by creating an `.env.pymeca` file and an `.env` file. Create `.env.pymeca` by filling in `.env.pymeca.example` with the necessary information. `.env` can be edited to change the default values of the environment variables. + +4. Start the app in the `dev` environment: + + ```bash + npm start + ``` + +### Packaging for Production + +To package apps for the local platform (Docker Daemon require separate installation): + +```bash +npm run package +``` + +Note: +- In Windows environments, the packaged application is output as an .exe file within the /release/build directory. It is important to highlight that, in the absence of code signing, the application may not execute as intended on distribution due to Windows security protocols. +- In Linux, the packaged app is output as an AppImage. Then, install FUSE to enable AppImage support: + ```bash + sudo apt update + sudo apt install libfuse2 + ``` + +# Main + +The main process executes the entry point script defined in the package.json (as 'main'). It manages the application's lifecycle, and has native access to desktop functionality, such as menus, dialogs, and tray icons. More specifically, the main process for this app is responsible for the following: +- Manage lifecycle events (e.g. 'ready', 'closed'. Refer to the official docs for a complete list: *https://www.electronjs.org/docs/latest/api/app*) +- Create BrowserWindows (see *Renderer* below), Menu, Tray. +- Communicating with the Docker Daemon with Dockerode to orchestrate the execution of Task Executor containers during Node.js runtime (see ```task_executor\README.md```). +- Communicating with IPFS to upload and download tasks. + - In Linux, the default download directory is `/home/$USER/.MECA/ipfsFiles` + - In Windows, the default download directory is `%LOCALAPPDATA%\.MECA\ipfsFiles` +- Handle persistent storage (mnemonics, keypairs, settings etc) with electron-store and safeStorage. + +### Some technical notes: +- **Native Modules** + + During npm installation, there will be a post-installation process which will rebuild the native modules. A native module is any dependency that requires compilation of C++/C for performance reasons. These modules need to be compiled on the user's system upon installation. To prevent compilation errors, by default all non-native modules need to be placed inside ```./package.json```, and all native modules in ```./release/app/package.json```. To find native modules, try: + ```bash + find node_modules -type f -name "*.node" 2>/dev/null | grep -v "obj\.target" + ``` + To prevent errors on dev build, instead of importing native modules like so: + ```bash + import secp256k1 from 'secp256k1'; + ``` + Try: + ```bash + import secp256k1 from '../../node_modules/secp256k1'; + ``` + + Read more about the rationale behind native modules here: + https://github.com/electron-react-boilerplate/electron-react-boilerplate/issues/1042 + + If you find that `npm install` fails at the postinstall and/or rebuild and the error is related to `node-gyp`, try: + ``` + npm install -g node-gyp + npm install -g npm + ``` + or if it is related to `distutils` + ``` + python -m pip install setuptools + ``` + +- **Inter-Process Communication** + + In general, for security purpose, Inter-process communication (IPC) is required to communicate between the main process and the renderer process. The general idea involves establishing dedicated channels for these processes to monitor. Through the use of a preload script, we can then safely expose privileged APIs to the renderer process. + + +- **Installation issues** + + Sometimes post installation complains about react-redux being a native module and should be in ```/release/app```. This error might only surface when doing a fresh ```npm install``` instead of doing a single ```npm install```. It could be due: + - newly installed module(s) being a native module instead of react-redux. In this case try moving the newly added modules into /release/app and do a clean reinstall. + - some unknown dependency issues. In this case, delete package.lock and do a clean reinstall. + + +- **ESM incompatiblity** + + When installing a new module and using it in main process, sometimes one might face: + ```bash + Error [ERR_REQUIRE_ESM]: require() of ES Module fix-path/index.js from main.ts not supported. + `````` + + My understanding is that in development, instead of using webpack (which allows usage of *import* in renderer process), electronmon is used to run Electron in the main process. (This is why we don't have a `webpack.config.main.dev.ts` but only `webpack.config.main.prod.ts`.) Under the hood, electronmon will convert all *import* to *require*. Thus if the installed module is purely ESM, the above error will pop. While Electron itself has started supporting ESM since v28, this feature is still not made compatible with this our electron-react-boilerplate at the point of writing this. One solution is to downgrade the module, for example now we are using a downgraded version of *ipfs-http-client* v50 (commonJS) instead of v60 (ESM only). + + + +# Renderer + +Each Electron app spawns a separate renderer process for each open BrowserWindow. BrowserWindow can display web content and use web technologies like HTML, CSS, and JavaScript to build the UI of the application. There are 2 BrowserWindows in our app: +- MainWindow: Uses React and Material UI to render webpages, just like any other React projects. +- WorkerWindow: This window is hidden and is solely responsible for task processing logic. + +Routes are managed under App.tsx. Each route is wrapped with a Transition component for smooth transition animation. +```bash + + + + } +/> +``` +Route components are grouped into multiple folders based on their purpose. Each component folder are explained in detail below. + +### auth +The components here are linked to public routes, meaning they do not require authentication to view, contrary to the rest of the routes nested under PrivateRoutes in App.tsx. + +Responsible for below: +- **Login**: Finds the pymeca server to fetch the user's account. The user is required to write their private key in the env of the pymeca server. + +### transactions +To display transaction data which was fetched from full node. Future implementation require retrieving data from blockchain directly. Mainly consist of 2 components: + +- **Linechart**: Visually displays transaction data in different groupby format. Allows filtering by role and by datetime. +- **Datagrid**: Displays the data in table view. Each row click leads to a Transaction Detail page, which (in the future) could lay out more details of the record. Could be expanded to full page view. + +The grouped data are derived from the *groupData* transaction pipeline (which is also used by other components like billing). + +### billing +Mainly intended for viewing past (grouped) billing data in a dashboard format. Originally created when staking is a core feature. Might be defunct in the future as they are intended more for viewing grouped transaction data, whereas individual transaction data (which contains *price*) can already be viewed from Transaction Dashboard. Similarly consists of 2 components: + +- **Billing Overview**: Consists of a left card summarizing the current bill to settle, and a right card showing the past 6 months of monthly billing history. +- **Billing History**: Shows past billing records. Certain data fields, such as status and date of payment, are currently placeholders and should be integrated with a backend API in future updates. + +### tasks +Task Management page is responsible for allowing hosts to select the tasks they are willing to download to their system and share resource to. In general, each task should go through following steps before it could be activated to share resource: + +- **Download**: Install the task files to local/app/roaming (tentatively) +- **Build**: Build the task files as Docker image. +- **Run Test**: Run the built task with test input for purpose of estimating task fee. +- **Activate/Deactivate**: Allow the host to choose whether to activate the task. The host is allowed to activate as many tasks as he would like to, as long as he has sufficient storage and resource. + +Currently the listed tasks are placeholders, future implementation require reading the tasks directly from blockchain. + +### towers +Tower Management page is responsible for allowing hosts to select the towers they are willing to register to. Towers are responsible for relaying tasks from other users to the host's machine. The host can register to multiple towers. The host can also choose to unregister from a tower. + +### navigation +The main layout, which can be viewed after logging into the app, consists of the top menu bar, the left drawer, and the right drawer. We will discuss some key components below. + +- **Host Sharing Widget**: Responsible for allowing host to select settings for resource allocation (e.g. number of cores and memory) as well as option whether to allocate GPU. The widget view comprises *PreSharingEnabledComponent* and *PostSharingEnabledComponent*, which are respectively responsible for the states before and after resource sharing is enabled. +- **Light/Dark Mode**: Toggles between light and dark theme. Theming is based on Material UI and is set in ```src\renderer\utils\theme.tsx```. + + +### redux +This directory contains the state management logic for the application, utilizing Redux. + +To set the state using redux, use the ```actionCreators.setState()```. For example: + +```bash +import actions from 'renderer/redux/actionCreators'; + +actions.setImportingAccount(false); +``` + +To read the state within a React component, use ```useSelector()```. For example: + +```bash +import { useSelector } from 'react-redux'; +import { RootState } from 'renderer/redux/store'; + +const isAuthenticated = useSelector((state: RootState) => state.userReducer.authenticated); +``` + +To obtain a direct snapshot of the current state from the Redux store, use ```reduxStore.getState()```. Utilize this method only if you need a one-time reading of the state, as it won't be automatically updated in response to changes by other components. For example: + +```bash +import reduxStore from 'renderer/redux/store'; + +const dataEntry = reduxStore.getState().dataEntryReducer; +``` + +### services + +This directory simple handles the external api calls. + + +## Other notes +- Use electron-store for persistent storage, redux for global state management, and React's useState() hook for component-level state. diff --git a/_static/doctools.js b/_static/doctools.js new file mode 100644 index 0000000..4d67807 --- /dev/null +++ b/_static/doctools.js @@ -0,0 +1,156 @@ +/* + * doctools.js + * ~~~~~~~~~~~ + * + * Base JavaScript utilities for all Sphinx HTML documentation. + * + * :copyright: Copyright 2007-2024 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ +"use strict"; + +const BLACKLISTED_KEY_CONTROL_ELEMENTS = new Set([ + "TEXTAREA", + "INPUT", + "SELECT", + "BUTTON", +]); + +const _ready = (callback) => { + if (document.readyState !== "loading") { + callback(); + } else { + document.addEventListener("DOMContentLoaded", callback); + } +}; + +/** + * Small JavaScript module for the documentation. + */ +const Documentation = { + init: () => { + Documentation.initDomainIndexTable(); + Documentation.initOnKeyListeners(); + }, + + /** + * i18n support + */ + TRANSLATIONS: {}, + PLURAL_EXPR: (n) => (n === 1 ? 0 : 1), + LOCALE: "unknown", + + // gettext and ngettext don't access this so that the functions + // can safely bound to a different name (_ = Documentation.gettext) + gettext: (string) => { + const translated = Documentation.TRANSLATIONS[string]; + switch (typeof translated) { + case "undefined": + return string; // no translation + case "string": + return translated; // translation exists + default: + return translated[0]; // (singular, plural) translation tuple exists + } + }, + + ngettext: (singular, plural, n) => { + const translated = Documentation.TRANSLATIONS[singular]; + if (typeof translated !== "undefined") + return translated[Documentation.PLURAL_EXPR(n)]; + return n === 1 ? singular : plural; + }, + + addTranslations: (catalog) => { + Object.assign(Documentation.TRANSLATIONS, catalog.messages); + Documentation.PLURAL_EXPR = new Function( + "n", + `return (${catalog.plural_expr})` + ); + Documentation.LOCALE = catalog.locale; + }, + + /** + * helper function to focus on search bar + */ + focusSearchBar: () => { + document.querySelectorAll("input[name=q]")[0]?.focus(); + }, + + /** + * Initialise the domain index toggle buttons + */ + initDomainIndexTable: () => { + const toggler = (el) => { + const idNumber = el.id.substr(7); + const toggledRows = document.querySelectorAll(`tr.cg-${idNumber}`); + if (el.src.substr(-9) === "minus.png") { + el.src = `${el.src.substr(0, el.src.length - 9)}plus.png`; + toggledRows.forEach((el) => (el.style.display = "none")); + } else { + el.src = `${el.src.substr(0, el.src.length - 8)}minus.png`; + toggledRows.forEach((el) => (el.style.display = "")); + } + }; + + 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// [C]VC[V] is m=1 + var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1 + var s_v = "^(" + C + ")?" + v; // vowel in stem + + this.stemWord = function (w) { + var stem; + var suffix; + var firstch; + var origword = w; + + if (w.length < 3) + return w; + + var re; + var re2; + var re3; + var re4; + + firstch = w.substr(0,1); + if (firstch == "y") + w = firstch.toUpperCase() + w.substr(1); + + // Step 1a + re = /^(.+?)(ss|i)es$/; + re2 = /^(.+?)([^s])s$/; + + if (re.test(w)) + w = w.replace(re,"$1$2"); + else if (re2.test(w)) + w = w.replace(re2,"$1$2"); + + // Step 1b + re = /^(.+?)eed$/; + re2 = /^(.+?)(ed|ing)$/; + if (re.test(w)) { + var fp = re.exec(w); + re = new RegExp(mgr0); + if (re.test(fp[1])) { + re = /.$/; + w = w.replace(re,""); + } + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1]; + re2 = new RegExp(s_v); + if (re2.test(stem)) { + w = stem; + re2 = /(at|bl|iz)$/; + re3 = new RegExp("([^aeiouylsz])\\1$"); + re4 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re2.test(w)) + w = w + "e"; + else if (re3.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + else if (re4.test(w)) + w = w + "e"; + } + } + + // Step 1c + re = /^(.+?)y$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(s_v); + if (re.test(stem)) + w = stem + "i"; + } + + // Step 2 + re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step2list[suffix]; + } + + // Step 3 + re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step3list[suffix]; + } + + // Step 4 + re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/; + re2 = /^(.+?)(s|t)(ion)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + if (re.test(stem)) + w = stem; + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1] + fp[2]; + re2 = new RegExp(mgr1); + if (re2.test(stem)) + w = stem; + } + + // Step 5 + re = /^(.+?)e$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + re2 = new RegExp(meq1); + re3 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) + w = stem; + } + re = /ll$/; + re2 = new RegExp(mgr1); + if (re.test(w) && re2.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + + // and turn initial Y back to y + if (firstch == "y") + w = firstch.toLowerCase() + w.substr(1); + return w; + } +} + diff --git a/_static/minus.png b/_static/minus.png new file mode 100644 index 0000000..d96755f Binary files /dev/null and b/_static/minus.png differ diff --git a/_static/plus.png b/_static/plus.png new file mode 100644 index 0000000..7107cec Binary files /dev/null and b/_static/plus.png differ diff --git a/_static/pygments.css b/_static/pygments.css new file mode 100644 index 0000000..84ab303 --- /dev/null +++ b/_static/pygments.css @@ -0,0 +1,75 @@ +pre { line-height: 125%; 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+ +/** + * Simple result scoring code. + */ +if (typeof Scorer === "undefined") { + var Scorer = { + // Implement the following function to further tweak the score for each result + // The function takes a result array [docname, title, anchor, descr, score, filename] + // and returns the new score. + /* + score: result => { + const [docname, title, anchor, descr, score, filename] = result + return score + }, + */ + + // query matches the full name of an object + objNameMatch: 11, + // or matches in the last dotted part of the object name + objPartialMatch: 6, + // Additive scores depending on the priority of the object + objPrio: { + 0: 15, // used to be importantResults + 1: 5, // used to be objectResults + 2: -5, // used to be unimportantResults + }, + // Used when the priority is not in the mapping. + objPrioDefault: 0, + + // query found in title + title: 15, + partialTitle: 7, + // query found in terms + term: 5, + partialTerm: 2, + }; +} + +const _removeChildren = (element) => { + while (element && element.lastChild) element.removeChild(element.lastChild); +}; + +/** + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#escaping + */ +const _escapeRegExp = (string) => + string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string + +const _displayItem = (item, searchTerms, highlightTerms) => { + const docBuilder = DOCUMENTATION_OPTIONS.BUILDER; + const docFileSuffix = DOCUMENTATION_OPTIONS.FILE_SUFFIX; + const docLinkSuffix = DOCUMENTATION_OPTIONS.LINK_SUFFIX; + const showSearchSummary = DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY; + const contentRoot = document.documentElement.dataset.content_root; + + const [docName, title, anchor, descr, score, _filename] = item; + + let listItem = document.createElement("li"); + let requestUrl; + let linkUrl; + if (docBuilder === "dirhtml") { + // dirhtml builder + let dirname = docName + "/"; + if (dirname.match(/\/index\/$/)) + dirname = dirname.substring(0, dirname.length - 6); + else if (dirname === "index/") dirname = ""; + requestUrl = contentRoot + dirname; + linkUrl = requestUrl; + } else { + // normal html builders + requestUrl = contentRoot + docName + docFileSuffix; + linkUrl = docName + docLinkSuffix; + } + let linkEl = listItem.appendChild(document.createElement("a")); + linkEl.href = linkUrl + anchor; + linkEl.dataset.score = score; + linkEl.innerHTML = title; + if (descr) { + listItem.appendChild(document.createElement("span")).innerHTML = + " (" + descr + ")"; + // highlight search terms in the description + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + } + else if (showSearchSummary) + fetch(requestUrl) + .then((responseData) => responseData.text()) + .then((data) => { + if (data) + listItem.appendChild( + Search.makeSearchSummary(data, searchTerms, anchor) + ); + // highlight search terms in the summary + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + }); + Search.output.appendChild(listItem); +}; +const _finishSearch = (resultCount) => { + Search.stopPulse(); + Search.title.innerText = _("Search Results"); + if (!resultCount) + Search.status.innerText = Documentation.gettext( + "Your search did not match any documents. Please make sure that all words are spelled correctly and that you've selected enough categories." + ); + else + Search.status.innerText = _( + "Search finished, found ${resultCount} page(s) matching the search query." + ).replace('${resultCount}', resultCount); +}; +const _displayNextItem = ( + results, + resultCount, + searchTerms, + highlightTerms, +) => { + // results left, load the summary and display it + // this is intended to be dynamic (don't sub resultsCount) + if (results.length) { + _displayItem(results.pop(), searchTerms, highlightTerms); + setTimeout( + () => _displayNextItem(results, resultCount, searchTerms, highlightTerms), + 5 + ); + } + // search finished, update title and status message + else _finishSearch(resultCount); +}; +// Helper function used by query() to order search results. +// Each input is an array of [docname, title, anchor, descr, score, filename]. +// Order the results by score (in opposite order of appearance, since the +// `_displayNextItem` function uses pop() to retrieve items) and then alphabetically. +const _orderResultsByScoreThenName = (a, b) => { + const leftScore = a[4]; + const rightScore = b[4]; + if (leftScore === rightScore) { + // same score: sort alphabetically + const leftTitle = a[1].toLowerCase(); + const rightTitle = b[1].toLowerCase(); + if (leftTitle === rightTitle) return 0; + return leftTitle > rightTitle ? -1 : 1; // inverted is intentional + } + return leftScore > rightScore ? 1 : -1; +}; + +/** + * Default splitQuery function. Can be overridden in ``sphinx.search`` with a + * custom function per language. + * + * The regular expression works by splitting the string on consecutive characters + * that are not Unicode letters, numbers, underscores, or emoji characters. + * This is the same as ``\W+`` in Python, preserving the surrogate pair area. + */ +if (typeof splitQuery === "undefined") { + var splitQuery = (query) => query + .split(/[^\p{Letter}\p{Number}_\p{Emoji_Presentation}]+/gu) + .filter(term => term) // remove remaining empty strings +} + +/** + * Search Module + */ +const Search = { + _index: null, + _queued_query: null, + _pulse_status: -1, + + htmlToText: (htmlString, anchor) => { + const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html'); + for (const removalQuery of [".headerlinks", "script", "style"]) { + htmlElement.querySelectorAll(removalQuery).forEach((el) => { el.remove() }); + } + if (anchor) { + const anchorContent = htmlElement.querySelector(`[role="main"] ${anchor}`); + if (anchorContent) return anchorContent.textContent; + + console.warn( + `Anchored content block not found. Sphinx search tries to obtain it via DOM query '[role=main] ${anchor}'. Check your theme or template.` + ); + } + + // if anchor not specified or not found, fall back to main content + const docContent = htmlElement.querySelector('[role="main"]'); + if (docContent) return docContent.textContent; + + console.warn( + "Content block not found. Sphinx search tries to obtain it via DOM query '[role=main]'. Check your theme or template." + ); + return ""; + }, + + init: () => { + const query = new URLSearchParams(window.location.search).get("q"); + document + .querySelectorAll('input[name="q"]') + .forEach((el) => (el.value = query)); + if (query) Search.performSearch(query); + }, + + loadIndex: (url) => + (document.body.appendChild(document.createElement("script")).src = url), + + setIndex: (index) => { + Search._index = index; + if (Search._queued_query !== null) { + const query = Search._queued_query; + Search._queued_query = null; + Search.query(query); + } + }, + + hasIndex: () => Search._index !== null, + + deferQuery: (query) => (Search._queued_query = query), + + stopPulse: () => (Search._pulse_status = -1), + + startPulse: () => { + if (Search._pulse_status >= 0) return; + + const pulse = () => { + Search._pulse_status = (Search._pulse_status + 1) % 4; + Search.dots.innerText = ".".repeat(Search._pulse_status); + if (Search._pulse_status >= 0) window.setTimeout(pulse, 500); + }; + pulse(); + }, + + /** + * perform a search for something (or wait until index is loaded) + */ + performSearch: (query) => { + // create the required interface elements + const searchText = document.createElement("h2"); + searchText.textContent = _("Searching"); + const searchSummary = document.createElement("p"); + searchSummary.classList.add("search-summary"); + searchSummary.innerText = ""; + const searchList = document.createElement("ul"); + searchList.classList.add("search"); + + const out = document.getElementById("search-results"); + Search.title = out.appendChild(searchText); + Search.dots = Search.title.appendChild(document.createElement("span")); + Search.status = out.appendChild(searchSummary); + Search.output = out.appendChild(searchList); + + const searchProgress = document.getElementById("search-progress"); + // Some themes don't use the search progress node + if (searchProgress) { + searchProgress.innerText = _("Preparing search..."); + } + Search.startPulse(); + + // index already loaded, the browser was quick! + if (Search.hasIndex()) Search.query(query); + else Search.deferQuery(query); + }, + + _parseQuery: (query) => { + // stem the search terms and add them to the correct list + const stemmer = new Stemmer(); + const searchTerms = new Set(); + const excludedTerms = new Set(); + const highlightTerms = new Set(); + const objectTerms = new Set(splitQuery(query.toLowerCase().trim())); + splitQuery(query.trim()).forEach((queryTerm) => { + const queryTermLower = queryTerm.toLowerCase(); + + // maybe skip this "word" + // stopwords array is from language_data.js + if ( + stopwords.indexOf(queryTermLower) !== -1 || + queryTerm.match(/^\d+$/) + ) + return; + + // stem the word + let word = stemmer.stemWord(queryTermLower); + // select the correct list + if (word[0] === "-") excludedTerms.add(word.substr(1)); + else { + searchTerms.add(word); + highlightTerms.add(queryTermLower); + } + }); + + if (SPHINX_HIGHLIGHT_ENABLED) { // set in sphinx_highlight.js + localStorage.setItem("sphinx_highlight_terms", [...highlightTerms].join(" ")) + } + + // console.debug("SEARCH: searching for:"); + // console.info("required: ", [...searchTerms]); + // console.info("excluded: ", [...excludedTerms]); + + return [query, searchTerms, excludedTerms, highlightTerms, objectTerms]; + }, + + /** + * execute search (requires search index to be loaded) + */ + _performSearch: (query, searchTerms, excludedTerms, highlightTerms, objectTerms) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + const allTitles = Search._index.alltitles; + const indexEntries = Search._index.indexentries; + + // Collect multiple result groups to be sorted separately and then ordered. + // Each is an array of [docname, title, anchor, descr, score, filename]. + const normalResults = []; + const nonMainIndexResults = []; + + _removeChildren(document.getElementById("search-progress")); + + const queryLower = query.toLowerCase().trim(); + for (const [title, foundTitles] of Object.entries(allTitles)) { + if (title.toLowerCase().trim().includes(queryLower) && (queryLower.length >= title.length/2)) { + for (const [file, id] of foundTitles) { + let score = Math.round(100 * queryLower.length / title.length) + normalResults.push([ + docNames[file], + titles[file] !== title ? `${titles[file]} > ${title}` : title, + id !== null ? "#" + id : "", + null, + score, + filenames[file], + ]); + } + } + } + + // search for explicit entries in index directives + for (const [entry, foundEntries] of Object.entries(indexEntries)) { + if (entry.includes(queryLower) && (queryLower.length >= entry.length/2)) { + for (const [file, id, isMain] of foundEntries) { + const score = Math.round(100 * queryLower.length / entry.length); + const result = [ + docNames[file], + titles[file], + id ? "#" + id : "", + null, + score, + filenames[file], + ]; + if (isMain) { + normalResults.push(result); + } else { + nonMainIndexResults.push(result); + } + } + } + } + + // lookup as object + objectTerms.forEach((term) => + normalResults.push(...Search.performObjectSearch(term, objectTerms)) + ); + + // lookup as search terms in fulltext + normalResults.push(...Search.performTermsSearch(searchTerms, excludedTerms)); + + // let the scorer override scores with a custom scoring function + if (Scorer.score) { + normalResults.forEach((item) => (item[4] = Scorer.score(item))); + nonMainIndexResults.forEach((item) => (item[4] = Scorer.score(item))); + } + + // Sort each group of results by score and then alphabetically by name. + normalResults.sort(_orderResultsByScoreThenName); + nonMainIndexResults.sort(_orderResultsByScoreThenName); + + // Combine the result groups in (reverse) order. + // Non-main index entries are typically arbitrary cross-references, + // so display them after other results. + let results = [...nonMainIndexResults, ...normalResults]; + + // remove duplicate search results + // note the reversing of results, so that in the case of duplicates, the highest-scoring entry is kept + let seen = new Set(); + results = results.reverse().reduce((acc, result) => { + let resultStr = result.slice(0, 4).concat([result[5]]).map(v => String(v)).join(','); + if (!seen.has(resultStr)) { + acc.push(result); + seen.add(resultStr); + } + return acc; + }, []); + + return results.reverse(); + }, + + query: (query) => { + const [searchQuery, searchTerms, excludedTerms, highlightTerms, objectTerms] = Search._parseQuery(query); + const results = Search._performSearch(searchQuery, searchTerms, excludedTerms, highlightTerms, objectTerms); + + // for debugging + //Search.lastresults = results.slice(); // a copy + // console.info("search results:", Search.lastresults); + + // print the results + _displayNextItem(results, results.length, searchTerms, highlightTerms); + }, + + /** + * search for object names + */ + performObjectSearch: (object, objectTerms) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const objects = Search._index.objects; + const objNames = Search._index.objnames; + const titles = Search._index.titles; + + const results = []; + + const objectSearchCallback = (prefix, match) => { + const name = match[4] + const fullname = (prefix ? prefix + "." : "") + name; + const fullnameLower = fullname.toLowerCase(); + if (fullnameLower.indexOf(object) < 0) return; + + let score = 0; + const parts = fullnameLower.split("."); + + // check for different match types: exact matches of full name or + // "last name" (i.e. last dotted part) + if (fullnameLower === object || parts.slice(-1)[0] === object) + score += Scorer.objNameMatch; + else if (parts.slice(-1)[0].indexOf(object) > -1) + score += Scorer.objPartialMatch; // matches in last name + + const objName = objNames[match[1]][2]; + const title = titles[match[0]]; + + // If more than one term searched for, we require other words to be + // found in the name/title/description + const otherTerms = new Set(objectTerms); + otherTerms.delete(object); + if (otherTerms.size > 0) { + const haystack = `${prefix} ${name} ${objName} ${title}`.toLowerCase(); + if ( + [...otherTerms].some((otherTerm) => haystack.indexOf(otherTerm) < 0) + ) + return; + } + + let anchor = match[3]; + if (anchor === "") anchor = fullname; + else if (anchor === "-") anchor = objNames[match[1]][1] + "-" + fullname; + + const descr = objName + _(", in ") + title; + + // add custom score for some objects according to scorer + if (Scorer.objPrio.hasOwnProperty(match[2])) + score += Scorer.objPrio[match[2]]; + else score += Scorer.objPrioDefault; + + results.push([ + docNames[match[0]], + fullname, + "#" + anchor, + descr, + score, + filenames[match[0]], + ]); + }; + Object.keys(objects).forEach((prefix) => + objects[prefix].forEach((array) => + objectSearchCallback(prefix, array) + ) + ); + return results; + }, + + /** + * search for full-text terms in the index + */ + performTermsSearch: (searchTerms, excludedTerms) => { + // prepare search + const terms = Search._index.terms; + const titleTerms = Search._index.titleterms; + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + + const scoreMap = new Map(); + const fileMap = new Map(); + + // perform the search on the required terms + searchTerms.forEach((word) => { + const files = []; + const arr = [ + { files: terms[word], score: Scorer.term }, + { files: titleTerms[word], score: Scorer.title }, + ]; + // add support for partial matches + if (word.length > 2) { + const escapedWord = _escapeRegExp(word); + if (!terms.hasOwnProperty(word)) { + Object.keys(terms).forEach((term) => { + if (term.match(escapedWord)) + arr.push({ files: terms[term], score: Scorer.partialTerm }); + }); + } + if (!titleTerms.hasOwnProperty(word)) { + Object.keys(titleTerms).forEach((term) => { + if (term.match(escapedWord)) + arr.push({ files: titleTerms[term], score: Scorer.partialTitle }); + }); + } + } + + // no match but word was a required one + if (arr.every((record) => record.files === undefined)) return; + + // found search word in contents + arr.forEach((record) => { + if (record.files === undefined) return; + + let recordFiles = record.files; + if (recordFiles.length === undefined) recordFiles = [recordFiles]; + files.push(...recordFiles); + + // set score for the word in each file + recordFiles.forEach((file) => { + if (!scoreMap.has(file)) scoreMap.set(file, {}); + scoreMap.get(file)[word] = record.score; + }); + }); + + // create the mapping + files.forEach((file) => { + if (!fileMap.has(file)) fileMap.set(file, [word]); + else if (fileMap.get(file).indexOf(word) === -1) fileMap.get(file).push(word); + }); + }); + + // now check if the files don't contain excluded terms + const results = []; + for (const [file, wordList] of fileMap) { + // check if all requirements are matched + + // as search terms with length < 3 are discarded + const filteredTermCount = [...searchTerms].filter( + (term) => term.length > 2 + ).length; + if ( + wordList.length !== searchTerms.size && + wordList.length !== filteredTermCount + ) + continue; + + // ensure that none of the excluded terms is in the search result + if ( + [...excludedTerms].some( + (term) => + terms[term] === file || + titleTerms[term] === file || + (terms[term] || []).includes(file) || + (titleTerms[term] || []).includes(file) + ) + ) + break; + + // select one (max) score for the file. + const score = Math.max(...wordList.map((w) => scoreMap.get(file)[w])); + // add result to the result list + results.push([ + docNames[file], + titles[file], + "", + null, + score, + filenames[file], + ]); + } + return results; + }, + + /** + * helper function to return a node containing the + * search summary for a given text. keywords is a list + * of stemmed words. + */ + makeSearchSummary: (htmlText, keywords, anchor) => { + const text = Search.htmlToText(htmlText, anchor); + if (text === "") return null; + + const textLower = text.toLowerCase(); + const actualStartPosition = [...keywords] + .map((k) => textLower.indexOf(k.toLowerCase())) + .filter((i) => i > -1) + .slice(-1)[0]; + const startWithContext = Math.max(actualStartPosition - 120, 0); + + const top = startWithContext === 0 ? "" : "..."; + const tail = startWithContext + 240 < text.length ? "..." : ""; + + let summary = document.createElement("p"); + summary.classList.add("context"); + summary.textContent = top + text.substr(startWithContext, 240).trim() + tail; + + return summary; + }, +}; + +_ready(Search.init); diff --git a/_static/sphinx_highlight.js b/_static/sphinx_highlight.js new file mode 100644 index 0000000..8a96c69 --- /dev/null +++ b/_static/sphinx_highlight.js @@ -0,0 +1,154 @@ +/* Highlighting utilities for Sphinx HTML documentation. */ +"use strict"; + +const SPHINX_HIGHLIGHT_ENABLED = true + +/** + * highlight a given string on a node by wrapping it in + * span elements with the given class name. + */ +const _highlight = (node, addItems, text, className) => { + if (node.nodeType === Node.TEXT_NODE) { + const val = node.nodeValue; + const parent = node.parentNode; + const pos = val.toLowerCase().indexOf(text); + if ( + pos >= 0 && + !parent.classList.contains(className) && + !parent.classList.contains("nohighlight") + ) { + let span; + + const closestNode = parent.closest("body, svg, foreignObject"); + const isInSVG = closestNode && closestNode.matches("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.classList.add(className); + } + + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + const rest = document.createTextNode(val.substr(pos + text.length)); + parent.insertBefore( + span, + parent.insertBefore( + rest, + node.nextSibling + ) + ); + node.nodeValue = val.substr(0, pos); + /* There may be more occurrences of search term in this node. So call this + * function recursively on the remaining fragment. + */ + _highlight(rest, addItems, text, className); + + if (isInSVG) { + const rect = document.createElementNS( + "http://www.w3.org/2000/svg", + "rect" + ); + const bbox = parent.getBBox(); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute("class", className); + addItems.push({ parent: parent, target: rect }); + } + } + } else if (node.matches && !node.matches("button, select, textarea")) { + node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); + } +}; +const _highlightText = (thisNode, text, className) => { + let addItems = []; + _highlight(thisNode, addItems, text, className); + addItems.forEach((obj) => + obj.parent.insertAdjacentElement("beforebegin", obj.target) + ); +}; + +/** + * Small JavaScript module for the documentation. + */ +const SphinxHighlight = { + + /** + * highlight the search words provided in localstorage in the text + */ + highlightSearchWords: () => { + if (!SPHINX_HIGHLIGHT_ENABLED) return; // bail if no highlight + + // get and clear terms from localstorage + const url = new URL(window.location); + const highlight = + localStorage.getItem("sphinx_highlight_terms") + || url.searchParams.get("highlight") + || ""; + localStorage.removeItem("sphinx_highlight_terms") + url.searchParams.delete("highlight"); + window.history.replaceState({}, "", url); + + // get individual terms from highlight string + const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); + if (terms.length === 0) return; // nothing to do + + // There should never be more than one element matching "div.body" + const divBody = document.querySelectorAll("div.body"); + const body = divBody.length ? divBody[0] : document.querySelector("body"); + window.setTimeout(() => { + terms.forEach((term) => _highlightText(body, term, "highlighted")); + }, 10); + + const searchBox = document.getElementById("searchbox"); + if (searchBox === null) return; + searchBox.appendChild( + document + .createRange() + .createContextualFragment( + '" + ) + ); + }, + + /** + * helper function to hide the search marks again + */ + hideSearchWords: () => { + document + .querySelectorAll("#searchbox .highlight-link") + .forEach((el) => el.remove()); + document + .querySelectorAll("span.highlighted") + .forEach((el) => el.classList.remove("highlighted")); + localStorage.removeItem("sphinx_highlight_terms") + }, + + initEscapeListener: () => { + // only install a listener if it is really needed + if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) return; + + document.addEventListener("keydown", (event) => { + // bail for input elements + if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; + // bail with special keys + if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return; + if (DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS && (event.key === "Escape")) { + SphinxHighlight.hideSearchWords(); + event.preventDefault(); + } + }); + }, +}; + +_ready(() => { + /* Do not call highlightSearchWords() when we are on the search page. + * It will highlight words from the *previous* search query. + */ + if (typeof Search === "undefined") SphinxHighlight.highlightSearchWords(); + SphinxHighlight.initEscapeListener(); +}); diff --git a/_static/task_executor.md b/_static/task_executor.md new file mode 100644 index 0000000..ee4c4e2 --- /dev/null +++ b/_static/task_executor.md @@ -0,0 +1,58 @@ +# Task Executor + +## Resource control + +Task executor is configured with the user-specified resource usage for MECAnywhere dispatched task. It contains a resource monitor that monitors the available resources on the host. + +## Task + +A task request sent over from MECAnywhere contains the id that defines the computation (In docker context, the image id), the resources it intends to use, the input of the request. + +The task executor can manage multiple tasks with different resource usage intents at a given time. Therefore, internally the task executor manages the tasks with an id constructed from both the id and resource in a MECAnywhere request. + +By default, if the request does not specify the resource usage intent, it is assumed to work with the default resource usage: 1 CPU core and 128MB RAM. The specified CPU should be a float with one decimal and the RAM is an integer in the unit of MB. + +## Isolation support + +Task executor now by default uses Docker for isolation. It can also use MicroVM and SGX with additional configurations. The servers to run task with MicroVM or SGX should have the necessary platform software to do so. + +* MicroVM: support by [Kata-container][1]. The server shall install kata-container and register kata container runtime to Docker [2][2]. +* SGX: support by [Linux-SGX][3]. The server shall enable SGX support via BIOS and install all the Intel platform software packages, And ensure the Intel AESM service running with systemd. + +## GPU support + +Nvidia GPU support uses the `NVIDIA/go-nvml` package to provision local detect and manage GPU devices. The GPU devices shall be mounted to the task executor container so that it is schedulable [4][4]. + +## Cleaning + +A task is maintained as a running server on the host machine. It is periodically cleaned by the task executor if they are inactive for a configured threshold of time (default 1min). When there is resource shortage to schedule a new incoming task, previous tasks kept running but not handling request will be removed to free up resources. + +## Configuration + +When launching the mecanywhere executor container, one can mount a config file to determine the resources limit managed by mecanywhere. A sample config file is [here](https://github.com/sbip-sg/mecanywhere_desktop/tree/main/task_executor/conf/mecanywhere_docker.yaml). + +Mount the config file at `/app/mecanywhere_executor.yaml` + +```sh +docker run -it --name mecanywhere_executor_test -v /var/run/docker.sock:/var/run/docker.sock -v :/app/mecanywhere_executor.yaml --net=mecanywhere --ip=172.18.0.255 mecanywhere-executor:latest +``` + +Reconfiguration is supported by pausing the executor and passing a new executor configuration file. Currently we the executor type field is ignored, since only docker is supported. + +```sh +curl http://172.18.0.255:2591/pause -X POST +curl http://172.18.0.255:2591/update-config -X POST -H "Content-Type: application/json" -d '{"timeout": 2, "cpu":2, "mem":4096, "microVM_runtime":"kata"}' +curl http://172.18.0.255:2591/unpause -X POST +``` + +## References + +1. [KataContainers][1] +2. [Docker support for Kata Container][2] +3. [Intel SGX for Linux][3] +4. [Docker GPU support][4] + +[1]: https://katacontainers.io/ +[2]: https://docs.docker.com/engine/alternative-runtimes/ +[3]: https://github.com/intel/linux-sgx +[4]: https://docs.docker.com/config/containers/resource_constraints/#gpu diff --git a/genindex.html b/genindex.html new file mode 100644 index 0000000..e688c25 --- /dev/null +++ b/genindex.html @@ -0,0 +1,123 @@ + + + + + + Index — MECAnywhere DApp documentation + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+
    +
  • + +
  • +
  • +
+
+
+
+
+ + +

Index

+ +
+ +
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/index.html b/index.html new file mode 100644 index 0000000..61e9739 --- /dev/null +++ b/index.html @@ -0,0 +1,152 @@ + + + + + + + Welcome to MECAnywhere Desktop’s documentation! — MECAnywhere DApp documentation + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

Welcome to MECAnywhere Desktop’s documentation!

+

The guides here help you use MECAnywhere Desktop. You can also contribute to the project by following the developer guide.

+
+

For Users

+ +
+
+

For Developers

+ +
+ +
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/objects.inv b/objects.inv new file mode 100644 index 0000000..165b2e4 Binary files /dev/null and b/objects.inv differ diff --git a/pages/desktop_guide.html b/pages/desktop_guide.html new file mode 100644 index 0000000..724b85e --- /dev/null +++ b/pages/desktop_guide.html @@ -0,0 +1,186 @@ + + + + + + + User Guide — MECAnywhere DApp documentation + + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

User Guide

+

MECAnywhere Desktop is an interactive application that allows you to join the MECAnywhere ecosystem and start hosting your compute resources straight away. The application makes it easy and intuitive to manage your resources and monitor your transactions. It is designed to be user-friendly and accessible to most operating systems, including Windows, MacOS, and Linux.

+
+

Installation

+

Download the latest version of the application from the MECAnywhere Desktop GitHub repository.

+

You will also need to have Docker installed on your machine. You can download Docker from the official Docker website. +You will also need to have IPFS installed on your machine. You can download an IPFS container from the official IPFS website.

+
+
+

Usage

+

To start the application, simply run the executable file that you downloaded.

+
+

Login

+

You will need several pieces of personal information to log in to the application:

+
    +
  • Private keys from your blockchain wallet. You can use the private keys from your existing wallet like Metamask. These are used to sign transactions and interact with the MECAnywhere network.

  • +
  • “HOST_ENCRYPTION_PRIVATE_KEY”: This is a private key that is used for end-to-end encryption for task offloading. You can use the same key as the wallet key or generate a new key by creating a new account.

  • +
+

Other information that you can provide:

+
    +
  • IPFS HOST AND PORT: the url to the node for retrieving tasks from IPFS.

  • +
  • IPFS API HOST AND PORT: the url to the node for uploading tasks to IPFS. This should be a node you have write access to.

  • +
  • BLOCKCHAIN RPC URL: the url to the blockchain node where the contracts are deployed.

  • +
  • DAO CONTRACT ADDRESS: the address of the DAO contract on the blockchain, which is the entrypoint to all other functions of the MECAnywhere network.

  • +
  • TASK EXECUTOR URL: the url to the task executor server, which is used to execute tasks on your machine. By default http://mecanywhere-executor-1:2591, and there is no need to change this unless you are running a custom task executor server.

  • +
+

We have launched our smart contracts on the Ethereum Sepolia Testnet (address: 0x56873484BFB38789624ADeff6aF642A41246976f). You can get free testnet ETH from the Sepolia Testnet Faucet and use those accounts to interact with the MECAnywhere network. +To configure for Sepolia:

+
    +
  • MECA_BLOCKCHAIN_RPC_URL=https://eth-sepolia.g.alchemy.com/v2/nf3vIJJEKzQWwbKW1UHXvw1aKAeE6B97

  • +
  • MECA_DAO_CONTRACT_ADDRESS=0x56873484BFB38789624ADeff6aF642A41246976f

  • +
+
+
+

Dashboard and resource sharing

+

Dashboard +Here you can see an overview of your resources and transactions.

+

On the top left, you can customize the resources to share and enable it to be connected to the MECAnywhere ecosystem. This allows you to receive tasks from the MECAnywhere network and earn rewards. Tasks will automatically execute on your machine. You will have to activate chosen tasks in the Tasks Management section and also register for a tower in the Tower Management section before you can receive any task.

+
+
+

Tasks Management

+

Tasks +You can view the tasks that are available for downloading and activating. After downloading, it has to be built and tested before it can be activated. Once activated, other users will be able to send those specific tasks to your machine.

+
+
+

Tower Management

+

Towers +You can view the towers that are available for registration. You can register for a tower which will relay tasks from other users to your machine.

+
+
+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/pages/developers/developer_guide.html b/pages/developers/developer_guide.html new file mode 100644 index 0000000..5c0305e --- /dev/null +++ b/pages/developers/developer_guide.html @@ -0,0 +1,361 @@ + + + + + + + Developer Guide — MECAnywhere DApp documentation + + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

Developer Guide

+

The desktop app for interacting with MECAnywhere ecosystem. Uses Electron-React Boilerplate (Electron, React, React Router, Webpack) under the hood.

+
+

Install

+
    +
  1. Clone the repo and install dependencies:

    +
    git clone https://github.com/sbip-sg/mecanywhere_desktop.git
    +npm install
    +
    +
    +
  2. +
  3. Install Docker Engine at https://docs.docker.com/engine/install/.

  4. +
  5. Build the Task Executor’s docker image with:

    +
    docker build -t mecanywhere-executor -f docker/Dockerfile .
    +
    +
    +
  6. +
  7. Install IPFS Kubo from https://github.com/ipfs/kubo.git

  8. +
+
+
+

Starting Development

+
    +
  1. Ensure that Docker Engine is installed and Docker Daemon is started.

  2. +
  3. Ensure that IPFS is installed and IPFS Daemon is started.

  4. +
  5. Set the environment variables by creating an .env.pymeca file and an .env file. Create .env.pymeca by filling in .env.pymeca.example with the necessary information. .env can be edited to change the default values of the environment variables.

  6. +
  7. Start the app in the dev environment:

    +
    npm start
    +
    +
    +
  8. +
+
+
+

Packaging for Production

+

To package apps for the local platform (Docker Daemon require separate installation):

+
npm run package
+
+
+

Note:

+
    +
  • In Windows environments, the packaged application is output as an .exe file within the /release/build directory. It is important to highlight that, in the absence of code signing, the application may not execute as intended on distribution due to Windows security protocols.

  • +
  • In Linux, the packaged app is output as an AppImage. Then, install FUSE to enable AppImage support:

    +
    sudo apt update
    +sudo apt install libfuse2
    +
    +
    +
  • +
+
+
+

Main

+

The main process executes the entry point script defined in the package.json (as ‘main’). It manages the application’s lifecycle, and has native access to desktop functionality, such as menus, dialogs, and tray icons. More specifically, the main process for this app is responsible for the following:

+
    +
  • Manage lifecycle events (e.g. ‘ready’, ‘closed’. Refer to the official docs for a complete list: https://www.electronjs.org/docs/latest/api/app)

  • +
  • Create BrowserWindows (see Renderer below), Menu, Tray.

  • +
  • Communicating with the Docker Daemon with Dockerode to orchestrate the execution of Task Executor containers during Node.js runtime (see task_executor\README.md).

  • +
  • Communicating with IPFS to upload and download tasks.

    +
      +
    • In Linux, the default download directory is /home/$USER/.MECA/ipfsFiles

    • +
    • In Windows, the default download directory is %LOCALAPPDATA%\.MECA\ipfsFiles

    • +
    +
  • +
  • Handle persistent storage (mnemonics, keypairs, settings etc) with electron-store and safeStorage.

  • +
+
+

Some technical notes:

+
    +
  • Native Modules

    +

    During npm installation, there will be a post-installation process which will rebuild the native modules. A native module is any dependency that requires compilation of C++/C for performance reasons. These modules need to be compiled on the user’s system upon installation. To prevent compilation errors, by default all non-native modules need to be placed inside ./package.json, and all native modules in ./release/app/package.json. To find native modules, try:

    +
    find node_modules -type f -name "*.node" 2>/dev/null | grep -v "obj\.target"
    +
    +
    +

    To prevent errors on dev build, instead of importing native modules like so:

    +
    import secp256k1 from 'secp256k1';
    +
    +
    +

    Try:

    +
    import secp256k1 from '../../node_modules/secp256k1';
    +
    +
    +

    Read more about the rationale behind native modules here: +https://github.com/electron-react-boilerplate/electron-react-boilerplate/issues/1042

    +

    If you find that npm install fails at the postinstall and/or rebuild and the error is related to node-gyp, try:

    +
    npm install -g node-gyp
    +npm install -g npm
    +
    +
    +

    or if it is related to distutils

    +
    python -m pip install setuptools
    +
    +
    +
  • +
  • Inter-Process Communication

    +

    In general, for security purpose, Inter-process communication (IPC) is required to communicate between the main process and the renderer process. The general idea involves establishing dedicated channels for these processes to monitor. Through the use of a preload script, we can then safely expose privileged APIs to the renderer process.

    +
  • +
  • Installation issues

    +

    Sometimes post installation complains about react-redux being a native module and should be in /release/app. This error might only surface when doing a fresh npm install instead of doing a single npm install. It could be due:

    +
      +
    • newly installed module(s) being a native module instead of react-redux. In this case try moving the newly added modules into /release/app and do a clean reinstall.

    • +
    • some unknown dependency issues. In this case, delete package.lock and do a clean reinstall.

    • +
    +
  • +
  • ESM incompatiblity

    +

    When installing a new module and using it in main process, sometimes one might face:

    +
    Error [ERR_REQUIRE_ESM]: require() of ES Module fix-path/index.js from main.ts not supported.
    +
    +
    +

    My understanding is that in development, instead of using webpack (which allows usage of import in renderer process), electronmon is used to run Electron in the main process. (This is why we don’t have a webpack.config.main.dev.ts but only webpack.config.main.prod.ts.) Under the hood, electronmon will convert all import to require. Thus if the installed module is purely ESM, the above error will pop. While Electron itself has started supporting ESM since v28, this feature is still not made compatible with this our electron-react-boilerplate at the point of writing this. One solution is to downgrade the module, for example now we are using a downgraded version of ipfs-http-client v50 (commonJS) instead of v60 (ESM only).

    +
  • +
+
+
+
+

Renderer

+

Each Electron app spawns a separate renderer process for each open BrowserWindow. BrowserWindow can display web content and use web technologies like HTML, CSS, and JavaScript to build the UI of the application. There are 2 BrowserWindows in our app:

+
    +
  • MainWindow: Uses React and Material UI to render webpages, just like any other React projects.

  • +
  • WorkerWindow: This window is hidden and is solely responsible for task processing logic.

  • +
+

Routes are managed under App.tsx. Each route is wrapped with a Transition component for smooth transition animation.

+
<Route
+  path="/login"
+  element={
+    <Transitions>
+      <Login />
+    </Transitions>
+  }
+/>
+
+
+

Route components are grouped into multiple folders based on their purpose. Each component folder are explained in detail below.

+
+

auth

+

The components here are linked to public routes, meaning they do not require authentication to view, contrary to the rest of the routes nested under PrivateRoutes in App.tsx.

+

Responsible for below:

+
    +
  • Login: Finds the pymeca server to fetch the user’s account. The user is required to write their private key in the env of the pymeca server.

  • +
+
+
+

transactions

+

To display transaction data which was fetched from full node. Future implementation require retrieving data from blockchain directly. Mainly consist of 2 components:

+
    +
  • Linechart: Visually displays transaction data in different groupby format. Allows filtering by role and by datetime.

  • +
  • Datagrid: Displays the data in table view. Each row click leads to a Transaction Detail page, which (in the future) could lay out more details of the record. Could be expanded to full page view.

  • +
+

The grouped data are derived from the groupData transaction pipeline (which is also used by other components like billing).

+
+
+

billing

+

Mainly intended for viewing past (grouped) billing data in a dashboard format. Originally created when staking is a core feature. Might be defunct in the future as they are intended more for viewing grouped transaction data, whereas individual transaction data (which contains price) can already be viewed from Transaction Dashboard. Similarly consists of 2 components:

+
    +
  • Billing Overview: Consists of a left card summarizing the current bill to settle, and a right card showing the past 6 months of monthly billing history.

  • +
  • Billing History: Shows past billing records. Certain data fields, such as status and date of payment, are currently placeholders and should be integrated with a backend API in future updates.

  • +
+
+
+

tasks

+

Task Management page is responsible for allowing hosts to select the tasks they are willing to download to their system and share resource to. In general, each task should go through following steps before it could be activated to share resource:

+
    +
  • Download: Install the task files to local/app/roaming (tentatively)

  • +
  • Build: Build the task files as Docker image.

  • +
  • Run Test: Run the built task with test input for purpose of estimating task fee.

  • +
  • Activate/Deactivate: Allow the host to choose whether to activate the task. The host is allowed to activate as many tasks as he would like to, as long as he has sufficient storage and resource.

  • +
+

Currently the listed tasks are placeholders, future implementation require reading the tasks directly from blockchain.

+
+
+

towers

+

Tower Management page is responsible for allowing hosts to select the towers they are willing to register to. Towers are responsible for relaying tasks from other users to the host’s machine. The host can register to multiple towers. The host can also choose to unregister from a tower.

+
+ +
+

redux

+

This directory contains the state management logic for the application, utilizing Redux.

+

To set the state using redux, use the actionCreators.setState(). For example:

+
import actions from 'renderer/redux/actionCreators';
+
+actions.setImportingAccount(false);
+
+
+

To read the state within a React component, use useSelector(). For example:

+
import { useSelector } from 'react-redux';
+import { RootState } from 'renderer/redux/store';
+
+const isAuthenticated = useSelector((state: RootState) => state.userReducer.authenticated);
+
+
+

To obtain a direct snapshot of the current state from the Redux store, use reduxStore.getState(). Utilize this method only if you need a one-time reading of the state, as it won’t be automatically updated in response to changes by other components. For example:

+
import reduxStore from 'renderer/redux/store';
+
+const dataEntry = reduxStore.getState().dataEntryReducer;
+
+
+
+
+

services

+

This directory simple handles the external api calls.

+
+
+

Other notes

+
    +
  • Use electron-store for persistent storage, redux for global state management, and React’s useState() hook for component-level state.

  • +
+
+
+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/pages/developers/task_executor.html b/pages/developers/task_executor.html new file mode 100644 index 0000000..a09405b --- /dev/null +++ b/pages/developers/task_executor.html @@ -0,0 +1,183 @@ + + + + + + + Task Executor — MECAnywhere DApp documentation + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+ +
+
+
+
+ +
+

Task Executor

+
+

Resource control

+

Task executor is configured with the user-specified resource usage for MECAnywhere dispatched task. It contains a resource monitor that monitors the available resources on the host.

+
+
+

Task

+

A task request sent over from MECAnywhere contains the id that defines the computation (In docker context, the image id), the resources it intends to use, the input of the request.

+

The task executor can manage multiple tasks with different resource usage intents at a given time. Therefore, internally the task executor manages the tasks with an id constructed from both the id and resource in a MECAnywhere request.

+

By default, if the request does not specify the resource usage intent, it is assumed to work with the default resource usage: 1 CPU core and 128MB RAM. The specified CPU should be a float with one decimal and the RAM is an integer in the unit of MB.

+
+
+

Isolation support

+

Task executor now by default uses Docker for isolation. It can also use MicroVM and SGX with additional configurations. The servers to run task with MicroVM or SGX should have the necessary platform software to do so.

+
    +
  • MicroVM: support by Kata-container. The server shall install kata-container and register kata container runtime to Docker 2.

  • +
  • SGX: support by Linux-SGX. The server shall enable SGX support via BIOS and install all the Intel platform software packages, And ensure the Intel AESM service running with systemd.

  • +
+
+
+

GPU support

+

Nvidia GPU support uses the NVIDIA/go-nvml package to provision local detect and manage GPU devices. The GPU devices shall be mounted to the task executor container so that it is schedulable 4.

+
+
+

Cleaning

+

A task is maintained as a running server on the host machine. It is periodically cleaned by the task executor if they are inactive for a configured threshold of time (default 1min). When there is resource shortage to schedule a new incoming task, previous tasks kept running but not handling request will be removed to free up resources.

+
+
+

Configuration

+

When launching the mecanywhere executor container, one can mount a config file to determine the resources limit managed by mecanywhere. A sample config file is here.

+

Mount the config file at /app/mecanywhere_executor.yaml

+
docker run -it --name mecanywhere_executor_test -v /var/run/docker.sock:/var/run/docker.sock -v <your-config-file>:/app/mecanywhere_executor.yaml --net=mecanywhere --ip=172.18.0.255 mecanywhere-executor:latest
+
+
+

Reconfiguration is supported by pausing the executor and passing a new executor configuration file. Currently we the executor type field is ignored, since only docker is supported.

+
curl http://172.18.0.255:2591/pause -X POST
+curl http://172.18.0.255:2591/update-config -X POST -H "Content-Type: application/json" -d '{"timeout": 2, "cpu":2, "mem":4096, "microVM_runtime":"kata"}'
+curl http://172.18.0.255:2591/unpause -X POST
+
+
+
+
+

References

+
    +
  1. KataContainers

  2. +
  3. Docker support for Kata Container

  4. +
  5. Intel SGX for Linux

  6. +
  7. Docker GPU support

  8. +
+
+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/search.html b/search.html new file mode 100644 index 0000000..6739601 --- /dev/null +++ b/search.html @@ -0,0 +1,138 @@ + + + + + + Search — MECAnywhere DApp documentation + + + + + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+
+
    +
  • + +
  • +
  • +
+
+
+
+
+ + + + +
+ +
+ +
+
+ +
+
+
+
+ + + + + + + + + \ No newline at end of file diff --git a/searchindex.js b/searchindex.js new file mode 100644 index 0000000..d0ef556 --- /dev/null +++ b/searchindex.js @@ -0,0 +1 @@ +Search.setIndex({"alltitles": {"Cleaning": [[3, "cleaning"]], "Configuration": [[3, "configuration"]], "Dashboard and resource sharing": [[1, "dashboard-and-resource-sharing"]], "Developer Guide": [[2, "developer-guide"]], "For Developers": [[0, null]], "For Users": [[0, null]], "GPU support": [[3, "gpu-support"]], "Install": [[2, "install"]], "Installation": [[1, "installation"]], "Isolation support": [[3, "isolation-support"]], "Links": [[0, null]], "Login": [[1, "login"]], "Main": [[2, "main"]], "Other notes": [[2, "other-notes"]], "Packaging for Production": [[2, "packaging-for-production"]], "References": [[3, "references"]], "Renderer": [[2, "renderer"]], "Resource control": [[3, "resource-control"]], "Some technical notes:": [[2, "some-technical-notes"]], "Starting Development": [[2, "starting-development"]], "Task": [[3, "task"]], "Task Executor": [[3, "task-executor"]], "Tasks Management": [[1, "tasks-management"]], "Tower Management": [[1, "tower-management"]], "Usage": [[1, "usage"]], "User Guide": [[1, "user-guide"]], "Welcome to MECAnywhere Desktop\u2019s documentation!": [[0, "welcome-to-mecanywhere-desktop-s-documentation"]], "auth": [[2, "auth"]], "billing": [[2, "billing"]], "navigation": [[2, "navigation"]], "redux": [[2, "redux"]], "services": [[2, "services"]], "tasks": [[2, "tasks"]], "towers": [[2, "towers"]], "transactions": [[2, "transactions"]]}, "docnames": ["index", "pages/desktop_guide", "pages/developers/developer_guide", "pages/developers/task_executor"], "envversion": {"sphinx": 61, "sphinx.domains.c": 3, "sphinx.domains.changeset": 1, "sphinx.domains.citation": 1, "sphinx.domains.cpp": 9, "sphinx.domains.index": 1, "sphinx.domains.javascript": 3, "sphinx.domains.math": 2, "sphinx.domains.python": 4, "sphinx.domains.rst": 2, 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