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Code Issues Projects Releases Packages Wiki Activity Actions 5

Create Obsidian plugin for Khoj

Browse source 
- Features
  - Search using Khoj from within the Obsidian app
    Allow Natural language search on your (markdown) notes in Obsidian Vault

  - Show search results as rendered (instead of raw) Markdown
    Improve legibility of the results

  - Jump to selected note from search result in Khoj search modal
    Simplify seeing result within its original note context

  - Automatically configure khoj to index markdown files in current vault
    Reduce khoj setup steps for plugin users by using reasonable defaults

    - Code updates the markdown config in khoj.yml and triggers index update
    - It can be configured by user in khoj plugin settings, if required

  - Add Demo and detailed Readme for the Obsidian plugin
    Ease setup and usage. Give context about capabilities

- Miscellaneous
  - Trying keep a mono repo until the Khoj project is mature enough
    to reduce maintainance burden
This commit is contained in:
Debanjum Singh Solanky 2023-01-04 15:50:51 -03:00
parent e5ef7789fc
commit 66ccd0c970
19 changed files with 1163 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

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# top-most EditorConfig file
root = true
[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
indent_style = tab
indent_size = 4
tab_width = 4

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npm node_modules
build

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{
"root": true,
"parser": "@typescript-eslint/parser",
"env": { "node": true },
"plugins": [
"@typescript-eslint"
],
"extends": [
"eslint:recommended",
"plugin:@typescript-eslint/eslint-recommended",
"plugin:@typescript-eslint/recommended"
],
"parserOptions": {
"sourceType": "module"
},
"rules": {
"no-unused-vars": "off",
"@typescript-eslint/no-unused-vars": ["error", { "args": "none" }],
"@typescript-eslint/ban-ts-comment": "off",
"no-prototype-builtins": "off",
"@typescript-eslint/no-empty-function": "off"
}
}

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# vscode
.vscode
# Intellij
*.iml
.idea
# npm
node_modules
# Don't include the compiled main.js file in the repo.
# They should be uploaded to GitHub releases instead.
main.js
# Exclude sourcemaps
*.map
# obsidian
data.json
# Exclude macOS Finder (System Explorer) View States
.DS_Store
# Exclude system files
.emacs.desktop
.emacs.desktop*

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tag-version-prefix=""

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GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS

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# Khoj Obsidian 🦅
> Natural language search for your Obsidian notes using [Khoj](https://github.com/debanjum/khoj)
## Table of Contents
- [Features](#Features)
- [Demo](#Demo)
- [Description](#Description)
- [Interface](#Interface)
- [Setup](#Setup)
- [Setup Backend](#1-Setup-Backend)
- [Setup Plugin](#2-Setup-Plugin)
- [Use](#Use)
- [Query Filters](#Query-filters)
- [Upgrade](#Upgrade)
- [Upgrade Backend](#1-Upgrade-Backend)
- [Upgrade Plugin](#2-Upgrade-Plugin)
- [Troubleshoot](#Troubleshoot)
- [Implementation](#Implementation)
## Features
- **Natural**: Advanced natural language understanding using Transformer based ML Models
- **Local**: Your personal data stays local. All search, indexing is done on your machine[\*](https://github.com/debanjum/khoj#miscellaneous)
- **Incremental**: Incremental search for a fast, search-as-you-type experience
## Demo
https://user-images.githubusercontent.com/6413477/210486007-36ee3407-e6aa-4185-8a26-b0bfc0a4344f.mp4
### Description
1. Install Khoj via `pip` and start Khoj backend in non-gui mode
2. Install Khoj plugin via Community Plugins settings pane on Obsidian app
3. Check the new Khoj plugin settings
4. Let Khoj backend index the markdown files in the current Vault
5. Open Khoj plugin on Obsidian via Search button on Left Pane
6. Search \"*Announce plugin to folks*\" in the [Obsidian Plugin docs](https://marcus.se.net/obsidian-plugin-docs/)
7. Jump to the [search result](https://marcus.se.net/obsidian-plugin-docs/publishing/submit-your-plugin)
### Interface
![](https://github.com/debanjum/khoj/blob/master/src/interface/obsidian/docs/khoj_obsidian_screenshot_0.1.0.png)
## Setup
### 1. Setup Backend
```shell
pip install khoj-assistant && khoj --no-gui
```
## 2. Setup Plugin
1. Open *Community plugins* tab in Obsidian settings panel
2. Click Browse and Search for *Khoj*
3. Click *Install*, after that click *Enable* on the Khoj plugin
See [official docs](https://help.obsidian.md/Advanced+topics/Community+plugins#Discover+and+install+community+plugins) for details
## Use
Click the *Khoj search icon* 🔎 on the [Ribbon](https://help.obsidian.md/User+interface/Workspace/Ribbon) or Search for *Khoj: Search* in the [Command Palette](https://help.obsidian.md/Plugins/Command+palette)
### Query Filters
Use structured query syntax to filter the natural language search results
- **Word Filter**: Get entries that include/exclude a specified term
- Entries that contain term_to_include: `+"term_to_include"`
- Entries that contain term_to_exclude: `-"term_to_exclude"`
- **Date Filter**: Get entries containing dates in YYYY-MM-DD format from specified date (range)
- Entries from April 1st 1984: `dt:"1984-04-01"`
- Entries after March 31st 1984: `dt>="1984-04-01"`
- Entries before April 2nd 1984 : `dt<="1984-04-01"`
- **File Filter**: Get entries from a specified file
- Entries from incoming.org file: `file:"incoming.org"`
- Combined Example
- `what is the meaning of life? file:"1984.org" dt>="1984-01-01" dt<="1985-01-01" -"big" -"brother"`
- Adds all filters to the natural language query. It should return entries
- from the file *1984.org*
- containing dates from the year *1984*
- excluding words *"big"* and *"brother"*
- that best match the natural language query *"what is the meaning of life?"*
## Upgrade
### 1. Upgrade Backend
```shell
pip install --upgrade khoj-assistant
```
### 2. Upgrade Plugin
1. Open *Community plugins* tab in Obsidian settings
2. Click the *Check for updates* button
3. Click the *Update* button next to Khoj, if available
## Troubleshooting
1. Open the Khoj plugin settings pane, in case you need to configure Khoj
2. Toggle Enable/Disable Khoj, in case settings changes have not applied
## Implementation
The plugin implements the following functionality to search your notes with Khoj:
- [X] Open the Khoj search modal via left ribbon icon or the *Khoj: Search* command
- [X] Render results as Markdown preview to improve readability
- [X] Configure Khoj via the plugin setting tab on the settings page
- Set Obsidian Vault to Index with Khoj. Defaults to all markdown files in current Vault
- Set URL of Khoj backend
- Set Number of Search Results to show in Search Modal
- [ ] Allow user to trigger reranking of result to improve search quality

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import esbuild from "esbuild";
import process from "process";
import builtins from 'builtin-modules'
const banner =
`/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/
`;
const prod = (process.argv[2] === 'production');
esbuild.build({
banner: {
js: banner,
},
entryPoints: ['src/main.ts'],
bundle: true,
external: [
'obsidian',
'electron',
'@codemirror/autocomplete',
'@codemirror/collab',
'@codemirror/commands',
'@codemirror/language',
'@codemirror/lint',
'@codemirror/search',
'@codemirror/state',
'@codemirror/view',
'@lezer/common',
'@lezer/highlight',
'@lezer/lr',
...builtins],
format: 'cjs',
watch: !prod,
target: 'es2018',
logLevel: "info",
sourcemap: prod ? false : 'inline',
treeShaking: true,
outfile: 'main.js',
}).catch(() => process.exit(1));

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{
"id": "khoj",
"name": "Khoj",
"version": "0.2.1",
"minAppVersion": "0.15.0",
"description": "Natural, Incremental Search for your Second Brain 🦅",
"author": "Debanjum Singh Solanky",
"authorUrl": "https://github.com/debanjum",
"isDesktopOnly": false
}

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{
"name": "Khoj",
"version": "0.2.1",
"description": "Natural, Incremental Search for your Second Brain 🦅",
"main": "src/main.js",
"scripts": {
"dev": "node esbuild.config.mjs",
"build": "tsc -noEmit -skipLibCheck && node esbuild.config.mjs production",
"version": "node version-bump.mjs && git add manifest.json versions.json"
},
"keywords": ["search"],
"author": "Debanjum Singh Solanky",
"license": "GPLv3",
"devDependencies": {
"@types/node": "^16.11.6",
"@typescript-eslint/eslint-plugin": "5.29.0",
"@typescript-eslint/parser": "5.29.0",
"builtin-modules": "3.3.0",
"esbuild": "0.14.47",
"obsidian": "latest",
"tslib": "2.4.0",
"typescript": "4.7.4"
}
}

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import { Plugin } from 'obsidian';
import { KhojSetting, KhojSettingTab, DEFAULT_SETTINGS } from 'src/settings'
import { KhojModal } from 'src/modal'
import { configureKhojBackend } from './utils';
export default class Khoj extends Plugin {
settings: KhojSetting;
async onload() {
await this.loadSettings();
// Add a search command. It can be triggered from anywhere
this.addCommand({
id: 'search',
name: 'Search',
callback: () => {
new KhojModal(this.app, this.settings).open();
}
});
// Create an icon in the left ribbon.
this.addRibbonIcon('search', 'Khoj', (_: MouseEvent) => {
// Called when the user clicks the icon.
new KhojModal(this.app, this.settings).open();
});
// Add a settings tab so the user can configure various aspects of the plugin
this.addSettingTab(new KhojSettingTab(this.app, this));
}
onunload() {
}
async loadSettings() {
// Load khoj obsidian plugin settings
this.settings = Object.assign({}, DEFAULT_SETTINGS, await this.loadData());
// Load, configure khoj server settings
await configureKhojBackend(this.settings);
}
async saveSettings() {
await this.saveData(this.settings)
.then(() => configureKhojBackend(this.settings));
}
}

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import { App, SuggestModal, Notice, request, MarkdownRenderer } from 'obsidian';
import { KhojSetting } from 'src/settings';
import { getVaultAbsolutePath } from 'src/utils';
export interface SearchResult {
entry: string;
file: string;
}
export class KhojModal extends SuggestModal<SearchResult> {
setting: KhojSetting;
constructor(app: App, setting: KhojSetting) {
super(app);
this.setting = setting;
}
async getSuggestions(query: string): Promise<SearchResult[]> {
// Query Khoj backend for search results
var searchUrl = `${this.setting.khojUrl}/api/search?q=${query}&n=${this.setting.resultsCount}&t=markdown`
var results = await request(searchUrl)
.then(response => JSON.parse(response))
.then(data => {
return data.map((result: any) => {
let processedResult: SearchResult = {
entry: result.entry,
file: result.additional.file
};
return processedResult;
})
});
return results;
}
async renderSuggestion(result: SearchResult, el: HTMLElement) {
MarkdownRenderer.renderMarkdown(result.entry, el, null, null);
}
async onChooseSuggestion(result: SearchResult, _: MouseEvent | KeyboardEvent) {
const mdFiles = this.app.vault.getMarkdownFiles();
const vaultPath = getVaultAbsolutePath();
if (!vaultPath) {
new Notice('Khoj: Cannot open file. Make sure we are in a file system vault');
return;
}
// Find the vault file matching file of result. Open file at result heading
mdFiles.forEach((file) => {
if (`${vaultPath}/${file.path}` === result.file) {
let resultHeading = result.entry.split('\n', 1)[0];
let linkToEntry = `${file.path}${resultHeading}`
this.app.workspace.openLinkText(linkToEntry, '');
console.log(`Link: ${linkToEntry}, File: ${file.path}, Heading: ${resultHeading}`);
return
}
});
}
}

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import { App, PluginSettingTab, Setting } from 'obsidian';
import Khoj from 'src/main';
import { getVaultAbsolutePath } from 'src/utils';
export interface KhojSetting {
resultsCount: number;
khojUrl: string;
obsidianVaultPath: string;
}
export const DEFAULT_SETTINGS: KhojSetting = {
resultsCount: 6,
khojUrl: 'http://localhost:8000',
obsidianVaultPath: getVaultAbsolutePath()
}
export class KhojSettingTab extends PluginSettingTab {
plugin: Khoj;
constructor(app: App, plugin: Khoj) {
super(app, plugin);
this.plugin = plugin;
}
display(): void {
const { containerEl } = this;
containerEl.empty();
new Setting(containerEl)
.setName('Vault Paths')
.setDesc('The Obsidian Vault to search with Khoj')
.addText(text => text
.setValue(`${this.plugin.settings.obsidianVaultPath}`)
.onChange(async (value) => {
this.plugin.settings.obsidianVaultPath = value;
await this.plugin.saveSettings();
}));
new Setting(containerEl)
.setName('Khoj URL')
.setDesc('The URL of the Khoj backend')
.addText(text => text
.setValue(`${this.plugin.settings.khojUrl}`)
.onChange(async (value) => {
this.plugin.settings.khojUrl = value;
await this.plugin.saveSettings();
}));
new Setting(containerEl)
.setName('Number of Results')
.setDesc('The number of search results to show')
.addText(text => text
.setPlaceholder('6')
.setValue(`${this.plugin.settings.resultsCount}`)
.onChange(async (value) => {
this.plugin.settings.resultsCount = parseInt(value);
await this.plugin.saveSettings();
}));
}
}

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import { FileSystemAdapter, Notice, RequestUrlParam, request } from 'obsidian';
import { KhojSetting } from 'src/settings'
export function getVaultAbsolutePath(): string {
let adaptor = this.app.vault.adapter;
if (adaptor instanceof FileSystemAdapter) {
return adaptor.getBasePath();
}
return '';
}
export async function configureKhojBackend(setting: KhojSetting) {
let mdInVault = `${setting.obsidianVaultPath}/**/*.md`;
let khojConfigUrl = `${setting.khojUrl}/api/config/data`;
// Load khoj app config from backend API, Update Markdown config and save
let khoj_configured = await request(khojConfigUrl)
.then(response => response !== "null");
// Get current config if khoj backend configured, else get default config from khoj backend
await request(khoj_configured ? khojConfigUrl : `${khojConfigUrl}/default`)
.then(response => JSON.parse(response))
.then(data => {
// If khoj backend not configured yet
if (!khoj_configured) {
// Create khoj content-type config with only markdown configured
let khojObsidianPluginPath = `${setting.obsidianVaultPath}/${this.app.vault.configDir}/plugins/khoj/`;
data["content-type"] = {
"markdown": {
"input-filter": [mdInVault],
"input-files": null,
"embeddings-file": `${khojObsidianPluginPath}/markdown_embeddings.pt`,
"compressed-jsonl": `${khojObsidianPluginPath}/markdown.jsonl.gz`,
}
}
// Disable khoj processors, as not required
delete data["processor"];
// Save new config and refresh index on khoj backend
updateKhojBackend(setting.khojUrl, data);
console.log(`Khoj: Created khoj backend config:\n${JSON.stringify(data)}`)
}
// Else if khoj config has no markdown content config
else if (!data["content-type"]["markdown"]) {
// Add markdown config to khoj content-type config
// Set markdown config to index markdown files in configured obsidian vault
let khojObsidianPluginPath = `${setting.obsidianVaultPath}/${this.app.vault.configDir}/plugins/khoj/`;
data["content-type"]["markdown"] = {
"input-filter": [mdInVault],
"input-files": null,
"embeddings-file": `${khojObsidianPluginPath}/markdown_embeddings.pt`,
"compressed-jsonl": `${khojObsidianPluginPath}/markdown.jsonl.gz`,
}
// Save updated config and refresh index on khoj backend
updateKhojBackend(setting.khojUrl, data);
console.log(`Khoj: Added markdown config to khoj backend config:\n${JSON.stringify(data["content-type"])}`)
}
// Else if khoj is not configured to index markdown files in configured obsidian vault
else if (data["content-type"]["markdown"]["input-filter"].length != 1 ||
data["content-type"]["markdown"]["input-filter"][0] !== mdInVault) {
// Update markdown config in khoj content-type config
// Set markdown config to only index markdown files in configured obsidian vault
data["content-type"]["markdown"]["input-filter"] = [mdInVault]
data["content-type"]["markdown"]["input-files"] = null
// Save updated config and refresh index on khoj backend
updateKhojBackend(setting.khojUrl, data);
console.log(`Khoj: Updated markdown config in khoj backend config:\n${JSON.stringify(data["content-type"]["markdown"])}`)
}
})
.catch(error => {
new Notice(`Ensure Khoj backend is running and Khoj URL is correct in the Khoj plugin settings.\nError: ${error}`);
})
}
export async function updateKhojBackend(khojUrl: string, khojConfig: Object) {
// POST khojConfig to khojConfigUrl
let requestContent: RequestUrlParam = {
url: `${khojUrl}/api/config/data`,
body: JSON.stringify(khojConfig),
method: 'POST',
contentType: 'application/json',
};
// Save khojConfig on khoj backend at khojConfigUrl
await request(requestContent)
// Refresh khoj search index after updating config
.then(_ => request(`${khojUrl}/api/update?t=markdown`));
}

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/*
This CSS file will be included with your plugin, and
available in the app when your plugin is enabled.
If your plugin does not need CSS, delete this file.
*/

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{
"compilerOptions": {
"baseUrl": ".",
"inlineSourceMap": true,
"inlineSources": true,
"module": "ESNext",
"target": "ES6",
"allowJs": true,
"noImplicitAny": true,
"moduleResolution": "node",
"importHelpers": true,
"isolatedModules": true,
"strictNullChecks": true,
"lib": [
"DOM",
"ES5",
"ES6",
"ES7"
]
},
"include": [
"**/*.ts"
]
}

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import { readFileSync, writeFileSync } from "fs";
const targetVersion = process.env.npm_package_version;
// read minAppVersion from manifest.json and bump version to target version
let manifest = JSON.parse(readFileSync("manifest.json", "utf8"));
const { minAppVersion } = manifest;
manifest.version = targetVersion;
writeFileSync("manifest.json", JSON.stringify(manifest, null, "\t"));
// update versions.json with target version and minAppVersion from manifest.json
let versions = JSON.parse(readFileSync("versions.json", "utf8"));
versions[targetVersion] = minAppVersion;
writeFileSync("versions.json", JSON.stringify(versions, null, "\t"));

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{
"0.2.1": "0.15.0"
}