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Use the src/ layout to fix packaging Khoj for PyPi

Browse Source 
- Why
  The khoj pypi packages should be installed in `khoj' directory.
  Previously it was being installed into `src' directory, which is a
  generic top level directory name that is discouraged from being used

- Changes
 - move src/* to src/khoj/*
 - update `setup.py' to `find_packages' in `src' instead of project root
 - rename imports to form `from khoj.*' in complete project
 - update `constants.web_directory' path to use `khoj' directory
 - rename root logger to `khoj' in `main.py'
 - fix image_search tests to use the newly rename `khoj' logger
 - update config, docs, workflows to reference new path `src/khoj'
This commit is contained in:
Debanjum Singh Solanky
2023-02-14 14:50:51 -06:00
parent cc31cd070d
commit 25a749ca1d
104 changed files with 209 additions and 208 deletions
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0
src/interface/desktop/__init__.py
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72
src/interface/desktop/file_browser.py
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# External Packages
from PyQt6 import QtWidgets
from PyQt6.QtCore import QDir
# Internal Packages
from src.utils.config import SearchType
from src.utils.helpers import is_none_or_empty
class FileBrowser(QtWidgets.QWidget):
def __init__(self, title, search_type: SearchType=None, default_files:list=[]):
QtWidgets.QWidget.__init__(self)
layout = QtWidgets.QHBoxLayout()
self.setLayout(layout)
self.search_type = search_type
self.filter_name = self.getFileFilter(search_type)
self.dirpath = QDir.homePath()
self.label = QtWidgets.QLabel()
self.label.setText(title)
self.label.setFixedWidth(95)
self.label.setWordWrap(True)
layout.addWidget(self.label)
self.lineEdit = QtWidgets.QPlainTextEdit(self)
self.lineEdit.setFixedWidth(330)
self.setFiles(default_files)
self.lineEdit.setFixedHeight(min(7+20*len(self.lineEdit.toPlainText().split('\n')),90))
self.lineEdit.textChanged.connect(self.updateFieldHeight)
layout.addWidget(self.lineEdit)
self.button = QtWidgets.QPushButton('Add')
self.button.clicked.connect(self.storeFilesSelectedInFileDialog)
layout.addWidget(self.button)
layout.addStretch()
def getFileFilter(self, search_type):
if search_type == SearchType.Org:
return 'Org-Mode Files (*.org)'
elif search_type == SearchType.Ledger:
return 'Beancount Files (*.bean *.beancount)'
elif search_type == SearchType.Markdown:
return 'Markdown Files (*.md *.markdown)'
elif search_type == SearchType.Music:
return 'Org-Music Files (*.org)'
elif search_type == SearchType.Image:
return 'Images (*.jp[e]g)'
def storeFilesSelectedInFileDialog(self):
filepaths = self.getPaths()
if self.search_type == SearchType.Image:
filepaths.append(QtWidgets.QFileDialog.getExistingDirectory(self, caption='Choose Folder',
directory=self.dirpath))
else:
filepaths.extend(QtWidgets.QFileDialog.getOpenFileNames(self, caption='Choose Files',
directory=self.dirpath,
filter=self.filter_name)[0])
self.setFiles(filepaths)
def setFiles(self, paths:list):
self.filepaths = [path for path in paths if not is_none_or_empty(path)]
self.lineEdit.setPlainText("\n".join(self.filepaths))
def getPaths(self) -> list:
if self.lineEdit.toPlainText() == '':
return []
else:
return self.lineEdit.toPlainText().split('\n')
def updateFieldHeight(self):
self.lineEdit.setFixedHeight(min(7+20*len(self.lineEdit.toPlainText().split('\n')),90))

27
src/interface/desktop/labelled_text_field.py
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# External Packages
from PyQt6 import QtWidgets
# Internal Packages
from src.utils.config import ProcessorType
class LabelledTextField(QtWidgets.QWidget):
def __init__(self, title, processor_type: ProcessorType=None, default_value: str=None):
QtWidgets.QWidget.__init__(self)
layout = QtWidgets.QHBoxLayout()
self.setLayout(layout)
self.processor_type = processor_type
self.label = QtWidgets.QLabel()
self.label.setText(title)
self.label.setFixedWidth(95)
self.label.setWordWrap(True)
layout.addWidget(self.label)
self.input_field = QtWidgets.QTextEdit(self)
self.input_field.setFixedWidth(410)
self.input_field.setFixedHeight(27)
self.input_field.setText(default_value)
layout.addWidget(self.input_field)
layout.addStretch()

318
src/interface/desktop/main_window.py
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@@ -1,318 +0,0 @@
# Standard Packages
from enum import Enum
from pathlib import Path
from copy import deepcopy
import webbrowser
# External Packages
from PyQt6 import QtGui, QtWidgets
from PyQt6.QtCore import Qt, QThread, QObject, pyqtSignal
# Internal Packages
from src.configure import configure_server
from src.interface.desktop.file_browser import FileBrowser
from src.interface.desktop.labelled_text_field import LabelledTextField
from src.utils import constants, state, yaml as yaml_utils
from src.utils.cli import cli
from src.utils.config import SearchType, ProcessorType
from src.utils.helpers import merge_dicts, resolve_absolute_path
class MainWindow(QtWidgets.QMainWindow):
"""Create Window to Configure Khoj
Allow user to
1. Configure content types to search
2. Configure conversation processor
3. Save the configuration to khoj.yml
"""
def __init__(self, config_file: Path):
super(MainWindow, self).__init__()
self.config_file = config_file
# Set regenerate flag to regenerate embeddings everytime user clicks configure
if state.cli_args:
state.cli_args += ['--regenerate']
else:
state.cli_args = ['--regenerate']
# Load config from existing config, if exists, else load from default config
if resolve_absolute_path(self.config_file).exists():
self.first_run = False
self.current_config = yaml_utils.load_config_from_file(self.config_file)
else:
self.first_run = True
self.current_config = deepcopy(constants.default_config)
self.new_config = self.current_config
# Initialize Configure Window
self.setWindowTitle("Khoj")
self.setFixedWidth(600)
# Set Window Icon
icon_path = constants.web_directory / 'assets/icons/favicon-144x144.png'
self.setWindowIcon(QtGui.QIcon(f'{icon_path.absolute()}'))
# Initialize Configure Window Layout
self.layout = QtWidgets.QVBoxLayout()
# Add Settings Panels for each Search Type to Configure Window Layout
self.search_settings_panels = []
for search_type in SearchType:
current_content_config = self.current_config['content-type'].get(search_type, {})
self.search_settings_panels += [self.add_settings_panel(current_content_config, search_type)]
# Add Conversation Processor Panel to Configure Screen
self.processor_settings_panels = []
conversation_type = ProcessorType.Conversation
current_conversation_config = self.current_config['processor'].get(conversation_type, {})
self.processor_settings_panels += [self.add_processor_panel(current_conversation_config, conversation_type)]
# Add Action Buttons Panel
self.add_action_panel()
# Set the central widget of the Window. Widget will expand
# to take up all the space in the window by default.
self.config_window = QtWidgets.QWidget()
self.config_window.setLayout(self.layout)
self.setCentralWidget(self.config_window)
self.position_window()
def add_settings_panel(self, current_content_config: dict, search_type: SearchType):
"Add Settings Panel for specified Search Type. Toggle Editable Search Types"
# Get current files from config for given search type
if search_type == SearchType.Image:
current_content_files = current_content_config.get('input-directories', [])
file_input_text = f'{search_type.name} Folders'
else:
current_content_files = current_content_config.get('input-files', [])
file_input_text = f'{search_type.name} Files'
# Create widgets to display settings for given search type
search_type_settings = QtWidgets.QWidget()
search_type_layout = QtWidgets.QVBoxLayout(search_type_settings)
enable_search_type = SearchCheckBox(f"Search {search_type.name}", search_type)
# Add file browser to set input files for given search type
input_files = FileBrowser(file_input_text, search_type, current_content_files or [])
# Set enabled/disabled based on checkbox state
enable_search_type.setChecked(current_content_files is not None and len(current_content_files) > 0)
input_files.setEnabled(enable_search_type.isChecked())
enable_search_type.stateChanged.connect(lambda _: input_files.setEnabled(enable_search_type.isChecked()))
# Add setting widgets for given search type to panel
search_type_layout.addWidget(enable_search_type)
search_type_layout.addWidget(input_files)
self.layout.addWidget(search_type_settings)
return search_type_settings
def add_processor_panel(self, current_conversation_config: dict, processor_type: ProcessorType):
"Add Conversation Processor Panel"
# Get current settings from config for given processor type
current_openai_api_key = current_conversation_config.get('openai-api-key', None)
# Create widgets to display settings for given processor type
processor_type_settings = QtWidgets.QWidget()
processor_type_layout = QtWidgets.QVBoxLayout(processor_type_settings)
enable_conversation = ProcessorCheckBox(f"Conversation", processor_type)
# Add file browser to set input files for given processor type
input_field = LabelledTextField("OpenAI API Key", processor_type, current_openai_api_key)
# Set enabled/disabled based on checkbox state
enable_conversation.setChecked(current_openai_api_key is not None)
input_field.setEnabled(enable_conversation.isChecked())
enable_conversation.stateChanged.connect(lambda _: input_field.setEnabled(enable_conversation.isChecked()))
# Add setting widgets for given processor type to panel
processor_type_layout.addWidget(enable_conversation)
processor_type_layout.addWidget(input_field)
self.layout.addWidget(processor_type_settings)
return processor_type_settings
def add_action_panel(self):
"Add Action Panel"
# Button to Save Settings
action_bar = QtWidgets.QWidget()
action_bar_layout = QtWidgets.QHBoxLayout(action_bar)
self.configure_button = QtWidgets.QPushButton("Configure", clicked=self.configure_app)
self.search_button = QtWidgets.QPushButton("Search", clicked=lambda: webbrowser.open(f'http://{state.host}:{state.port}/'))
self.search_button.setEnabled(not self.first_run)
action_bar_layout.addWidget(self.configure_button)
action_bar_layout.addWidget(self.search_button)
self.layout.addWidget(action_bar)
def get_default_config(self, search_type:SearchType=None, processor_type:ProcessorType=None):
"Get default config"
config = constants.default_config
if search_type:
return config['content-type'][search_type]
elif processor_type:
return config['processor'][processor_type]
else:
return config
def add_error_message(self, message: str):
"Add Error Message to Configure Screen"
# Remove any existing error messages
for message_prefix in ErrorType:
for i in reversed(range(self.layout.count())):
current_widget = self.layout.itemAt(i).widget()
if isinstance(current_widget, QtWidgets.QLabel) and current_widget.text().startswith(message_prefix.value):
self.layout.removeWidget(current_widget)
current_widget.deleteLater()
# Add new error message
if message:
error_message = QtWidgets.QLabel()
error_message.setWordWrap(True)
error_message.setText(message)
error_message.setStyleSheet("color: red")
self.layout.addWidget(error_message)
def update_search_settings(self):
"Update config with search settings from UI"
for settings_panel in self.search_settings_panels:
for child in settings_panel.children():
if not isinstance(child, (SearchCheckBox, FileBrowser)):
continue
if isinstance(child, SearchCheckBox):
# Search Type Disabled
if not child.isChecked() and child.search_type in self.new_config['content-type']:
del self.new_config['content-type'][child.search_type]
# Search Type (re)-Enabled
if child.isChecked():
current_search_config = self.current_config['content-type'].get(child.search_type, {})
default_search_config = self.get_default_config(search_type = child.search_type)
self.new_config['content-type'][child.search_type.value] = merge_dicts(current_search_config, default_search_config)
elif isinstance(child, FileBrowser) and child.search_type in self.new_config['content-type']:
if child.search_type.value == SearchType.Image:
self.new_config['content-type'][child.search_type.value]['input-directories'] = child.getPaths() if child.getPaths() != [] else None
else:
self.new_config['content-type'][child.search_type.value]['input-files'] = child.getPaths() if child.getPaths() != [] else None
def update_processor_settings(self):
"Update config with conversation settings from UI"
for settings_panel in self.processor_settings_panels:
for child in settings_panel.children():
if not isinstance(child, (ProcessorCheckBox, LabelledTextField)):
continue
if isinstance(child, ProcessorCheckBox):
# Processor Type Disabled
if not child.isChecked() and child.processor_type in self.new_config['processor']:
del self.new_config['processor'][child.processor_type]
# Processor Type (re)-Enabled
if child.isChecked():
current_processor_config = self.current_config['processor'].get(child.processor_type, {})
default_processor_config = self.get_default_config(processor_type = child.processor_type)
self.new_config['processor'][child.processor_type.value] = merge_dicts(current_processor_config, default_processor_config)
elif isinstance(child, LabelledTextField) and child.processor_type in self.new_config['processor']:
if child.processor_type == ProcessorType.Conversation:
self.new_config['processor'][child.processor_type.value]['openai-api-key'] = child.input_field.toPlainText() if child.input_field.toPlainText() != '' else None
def save_settings_to_file(self) -> bool:
"Save validated settings to file"
# Validate config before writing to file
try:
yaml_utils.parse_config_from_string(self.new_config)
except Exception as e:
print(f"Error validating config: {e}")
self.add_error_message(f"{ErrorType.ConfigValidationError.value}: {e}")
return False
# Save the config to app config file
self.add_error_message(None)
yaml_utils.save_config_to_file(self.new_config, self.config_file)
return True
def load_updated_settings(self):
"Hot swap to use the updated config from config file"
# Load parsed, validated config from app config file
args = cli(state.cli_args)
self.current_config = self.new_config
# Configure server with loaded config
configure_server(args, required=True)
def configure_app(self):
"Save the new settings to khoj.yml. Reload app with updated settings"
self.update_search_settings()
self.update_processor_settings()
if self.save_settings_to_file():
# Setup thread to load updated settings in background
self.thread = QThread()
self.settings_loader = SettingsLoader(self.load_updated_settings)
self.settings_loader.moveToThread(self.thread)
# Connect slots and signals for thread
self.thread.started.connect(self.settings_loader.run)
self.settings_loader.finished.connect(self.thread.quit)
self.settings_loader.finished.connect(self.settings_loader.deleteLater)
self.settings_loader.error.connect(self.add_error_message)
self.thread.finished.connect(self.thread.deleteLater)
# Start thread
self.thread.start()
# Disable Save Button
self.search_button.setEnabled(False)
self.configure_button.setEnabled(False)
self.configure_button.setText("Configuring...")
# Reset UI
self.thread.finished.connect(lambda: self.configure_button.setText("Configure"))
self.thread.finished.connect(lambda: self.configure_button.setEnabled(True))
self.thread.finished.connect(lambda: self.search_button.setEnabled(True))
def position_window(self):
"Position the window at center of X axis and near top on Y axis"
window_rectangle = self.geometry()
screen_center = self.screen().availableGeometry().center()
window_rectangle.moveCenter(screen_center)
self.move(window_rectangle.topLeft().x(), 25)
def show_on_top(self):
"Bring Window on Top"
self.show()
self.setWindowState(Qt.WindowState.WindowActive)
self.activateWindow() # For Bringing to Top on Windows
self.raise_() # For Bringing to Top from Minimized State on OSX
class SettingsLoader(QObject):
"Load Settings Thread"
finished = pyqtSignal()
error = pyqtSignal(str)
def __init__(self, load_settings_func):
super(SettingsLoader, self).__init__()
self.load_settings_func = load_settings_func
def run(self):
"Load Settings"
try:
self.load_settings_func()
except FileNotFoundError as e:
self.error.emit(f"{ErrorType.ConfigLoadingError.value}: {e}")
else:
self.error.emit(None)
self.finished.emit()
class SearchCheckBox(QtWidgets.QCheckBox):
def __init__(self, text, search_type: SearchType, parent=None):
self.search_type = search_type
super(SearchCheckBox, self).__init__(text, parent=parent)
class ProcessorCheckBox(QtWidgets.QCheckBox):
def __init__(self, text, processor_type: ProcessorType, parent=None):
self.processor_type = processor_type
super(ProcessorCheckBox, self).__init__(text, parent=parent)
class ErrorType(Enum):
"Error Types"
ConfigLoadingError = "Config Loading Error"
ConfigValidationError = "Config Validation Error"

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src/interface/desktop/system_tray.py
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# Standard Packages
import webbrowser
# External Packages
from PyQt6 import QtGui, QtWidgets
# Internal Packages
from src.utils import constants, state
from src.interface.desktop.main_window import MainWindow
def create_system_tray(gui: QtWidgets.QApplication, main_window: MainWindow):
"""Create System Tray with Menu. Menu contain options to
1. Open Search Page on the Web Interface
2. Open App Configuration Screen
3. Quit Application
"""
# Create the system tray with icon
icon_path = constants.web_directory / 'assets/icons/favicon-144x144.png'
icon = QtGui.QIcon(f'{icon_path.absolute()}')
tray = QtWidgets.QSystemTrayIcon(icon)
tray.setVisible(True)
# Create the menu and menu actions
menu = QtWidgets.QMenu()
menu_actions = [
('Search', lambda: webbrowser.open(f'http://{state.host}:{state.port}/')),
('Configure', main_window.show_on_top),
('Quit', gui.quit),
]
# Add the menu actions to the menu
for action_text, action_function in menu_actions:
menu_action = QtGui.QAction(action_text, menu)
menu_action.triggered.connect(action_function)
menu.addAction(menu_action)
# Add the menu to the system tray
tray.setContextMenu(menu)
return tray

122
src/interface/emacs/README.org
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* Khoj Emacs 🦅
[[https://stable.melpa.org/#/khoj][file:https://stable.melpa.org/packages/khoj-badge.svg]] [[https://melpa.org/#/khoj][file:https://melpa.org/packages/khoj-badge.svg]] [[https://github.com/debanjum/khoj/actions/workflows/build_khoj_el.yml][https://github.com/debanjum/khoj/actions/workflows/build_khoj_el.yml/badge.svg?]] [[https://github.com/debanjum/khoj/actions/workflows/test_khoj_el.yml][https://github.com/debanjum/khoj/actions/workflows/test_khoj_el.yml/badge.svg?]]
/Natural, Incremental Search for your Second Brain/
** Table of Contents
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#features][Features]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Interface][Interface]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Setup][Setup]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#1-Setup-Backend][Setup Backend]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#2-Install-Khojel][Install Khoj.el]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Use][Use]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Search][Search]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Find-similar-entries][Find Similar Entries]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Advanced-usage][Advanced Usage]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Khoj-menu][Khoj Menu]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Upgrade][Upgrade]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Upgrade-Khoj-Backend][Upgrade Backend]]
- [[https://github.com/debanjum/khoj/tree/master/src/interface/emacs#Upgrade-Khojel][Upgrade Khoj.el]]
** 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*
- *Incremental*: Incremental search for a fast, search-as-you-type experience
** Interface
[[/docs/khoj_on_emacs.png]]
** Setup
*** 1. Setup Backend
#+begin_src shell
pip install khoj-assistant && khoj
#+end_src
*** 2. Install Khoj.el
**** Using MELPA
#+begin_src elisp
M-x package-install khoj
#+end_src elisp
Add below snippet to your Emacs config file
#+begin_src elisp
;; Install Khoj Package from MELPA Stable
(use-package khoj
:ensure t
:pin melpa-stable
:bind ("C-c s" . 'khoj))
#+end_src
Note: Install ~khoj.el~ from MELPA (instead of MELPA Stable) if you installed the pre-release version of khoj
- That is, use ~:pin melpa~ to install khoj.el in above snippet if khoj was installed with ~pip install --pre khoj-assistant~
- Else use ~:pin melpa-stable~ to install khoj.el in above snippet if khoj was installed with ~pip install khoj-assistant~
- This ensures both khoj.el and khoj app are from the same version (tagged or latest)
**** Using [[https://github.com/raxod502/straight.el][Straight.el]]
Add below snippet to your Emacs config file
#+begin_src elisp
;; Install Khoj Package using Straight.el
(use-package khoj
:after org
:straight (khoj :type git :host github :repo "debanjum/khoj" :files (:defaults "src/interface/emacs/khoj.el"))
:bind ("C-c s" . 'khoj))
#+end_src
** Use
*** Search
1. Hit ~C-c s s~ (or ~M-x khoj RET s~) to open khoj search
2. Enter your query in natural language
e.g "What is the meaning of life?", "My life goals for 2023"
*** Find Similar Entries
This feature finds entries similar to the one you are currently on.
1. Move cursor to the org-mode entry, markdown section or text paragraph you want to find similar entries for
2. Hit ~C-c s f~ (or ~M-x khoj RET f~) to find similar entries
*** Advanced Usage
- Add [[https://github.com/debanjum/khoj/#query-filters][query filters]] during search to narrow down results further
e.g `What is the meaning of life? -"god" +"none" dt>"last week"`
- Use ~C-c C-o 2~ to open the current result at cursor in its source org file
- This calls ~M-x org-open-at-point~ on the current entry and opens the second link in the entry.
- The second link is the entries [[https://orgmode.org/manual/Handling-Links.html#FOOT28][org-id]], if set, or the heading text.
The first link is the line number of the entry in the source file. This link is less robust to file changes.
- Note: If you have [[https://orgmode.org/manual/Speed-Keys.html][speed keys]] enabled, ~o 2~ will also work
*** Khoj Menu
[[/docs/khoj_emacs_menu.png]]
Hit ~C-c s~ (or ~M-x khoj~) to open the khoj menu above. Then:
- Hit ~t~ until you preferred content type is selected in the khoj menu
~Content Type~ specifies the content to perform ~Search~, ~Update~ or ~Find Similar~ actions on
- Hit ~n~ twice and then enter number of results you want to see
~Results Count~ is used by the ~Search~ and ~Find Similar~ actions
- Hit ~-f u~ to ~force~ update the khoj content index
The ~Force Update~ switch is only used by the ~Update~ action
** Upgrade
*** Upgrade Khoj Backend
#+begin_src shell
pip install --upgrade khoj-assistant
#+end_src
*** Upgrade Khoj.el
Use your Emacs package manager to upgrade ~khoj.el~
- For ~khoj.el~ from MELPA
- Method 1
- Run ~M-x package-list-packages~ to list all packages
- Press ~U~ on ~khoj~ to mark it for upgrade
- Press ~x~ to execute the marked actions
- Method 2
- Run ~M-x package-refresh-content~
- Run ~M-x package-reinstall khoj~
- For ~khoj.el~ from Straight
- Run ~M-x straight-pull-package khoj~

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src/interface/emacs/khoj.el
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;;; khoj.el --- Natural, Incremental Search for your Second Brain -*- lexical-binding: t -*-
;; Copyright (C) 2021-2022 Debanjum Singh Solanky
;; Author: Debanjum Singh Solanky <debanjum@gmail.com>
;; Description: Natural, Incremental Search for your Second Brain
;; Keywords: search, org-mode, outlines, markdown, beancount, ledger, image
;; Version: 0.3.0
;; Package-Requires: ((emacs "27.1") (transient "0.3.0"))
;; URL: https://github.com/debanjum/khoj/tree/master/src/interface/emacs
;; This file is NOT part of GNU Emacs.
;;; License:
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This package provides a natural, incremental search interface to your
;; `org-mode' notes, `markdown' files, `beancount' transactions and images.
;; It is a wrapper that interfaces with the Khoj server.
;; The server exposes an API for advanced search using transformer ML models.
;; The Khoj server needs to be running to use this package.
;; See the repository docs for detailed setup of the Khoj server.
;;
;; Quickstart
;; -------------
;; 1. Install Khoj Server
;; pip install khoj-assistant
;; 2. Start, Configure Khoj Server
;; khoj
;; 3. Install khoj.el from MELPA Stable
;; (use-package khoj :pin melpa-stable :bind ("C-c s" . 'khoj))
;;; Code:
(require 'url)
(require 'json)
(require 'transient)
(require 'outline)
(eval-when-compile (require 'subr-x)) ;; for string-trim before Emacs 28.2
;; -------------------------
;; Khoj Static Configuration
;; -------------------------
(defcustom khoj-server-url "http://localhost:8000"
"Location of Khoj API server."
:group 'khoj
:type 'string)
(defcustom khoj-image-width 156
"Width of rendered images returned by Khoj."
:group 'khoj
:type 'integer)
(defcustom khoj-image-height 156
"Height of rendered images returned by Khoj."
:group 'khoj
:type 'integer)
(defcustom khoj-results-count 5
"Number of results to get from Khoj API for each query."
:group 'khoj
:type 'integer)
(defcustom khoj-default-content-type "org"
"The default content type to perform search on."
:group 'khoj
:type '(choice (const "org")
(const "markdown")
(const "ledger")
(const "image")
(const "music")))
;; --------------------------
;; Khoj Dynamic Configuration
;; --------------------------
(defvar khoj--minibuffer-window nil
"Minibuffer window used to enter query.")
(defconst khoj--query-prompt "🦅Khoj: "
"Query prompt shown in the minibuffer.")
(defconst khoj--buffer-name "*🦅Khoj*"
"Name of buffer to show results from Khoj.")
(defvar khoj--content-type "org"
"The type of content to perform search on.")
(declare-function beancount-mode "beancount" ())
(declare-function markdown-mode "markdown-mode" ())
(declare-function org-music-mode "org-music" ())
(declare-function which-key--show-keymap "which-key" (KEYMAP-NAME KEYMAP &optional PRIOR-ARGS ALL
NO-PAGING FILTER))
(defun khoj--keybindings-info-message ()
"Show available khoj keybindings in-context, when khoj invoked."
(let ((enabled-content-types (khoj--get-enabled-content-types)))
(concat
"
Set Content Type
-------------------------\n"
(when (member 'markdown enabled-content-types)
"C-x m | markdown\n")
(when (member 'org enabled-content-types)
"C-x o | org-mode\n")
(when (member 'ledger enabled-content-types)
"C-x l | ledger\n")
(when (member 'image enabled-content-types)
"C-x i | image\n")
(when (member 'music enabled-content-types)
"C-x M | music\n"))))
(defvar khoj--rerank nil "Track when re-rank of results triggered.")
(defun khoj--search-markdown () "Set content-type to `markdown'." (interactive) (setq khoj--content-type "markdown"))
(defun khoj--search-org () "Set content-type to `org-mode'." (interactive) (setq khoj--content-type "org"))
(defun khoj--search-ledger () "Set content-type to `ledger'." (interactive) (setq khoj--content-type "ledger"))
(defun khoj--search-images () "Set content-type to image." (interactive) (setq khoj--content-type "image"))
(defun khoj--search-music () "Set content-type to music." (interactive) (setq khoj--content-type "music"))
(defun khoj--improve-rank () "Use cross-encoder to rerank search results." (interactive) (khoj--incremental-search t))
(defun khoj--make-search-keymap (&optional existing-keymap)
"Setup keymap to configure Khoj search. Build of EXISTING-KEYMAP when passed."
(let ((enabled-content-types (khoj--get-enabled-content-types))
(kmap (or existing-keymap (make-sparse-keymap))))
(define-key kmap (kbd "C-c RET") #'khoj--improve-rank)
(when (member 'markdown enabled-content-types)
(define-key kmap (kbd "C-x m") #'khoj--search-markdown))
(when (member 'org enabled-content-types)
(define-key kmap (kbd "C-x o") #'khoj--search-org))
(when (member 'ledger enabled-content-types)
(define-key kmap (kbd "C-x l") #'khoj--search-ledger))
(when (member 'image enabled-content-types)
(define-key kmap (kbd "C-x i") #'khoj--search-images))
(when (member 'music enabled-content-types)
(define-key kmap (kbd "C-x M") #'khoj--search-music))
kmap))
(defvar khoj--keymap nil "Track Khoj keymap in this variable.")
(defun khoj--display-keybinding-info ()
"Display information on keybindings to customize khoj search.
Use `which-key` if available, else display simple message in echo area"
(if (fboundp 'which-key-show-full-keymap)
(let ((khoj--keymap (khoj--make-search-keymap)))
(which-key--show-keymap (symbol-name 'khoj--keymap)
(symbol-value 'khoj--keymap)
nil t t))
(message "%s" (khoj--keybindings-info-message))))
;; -----------------------------------------------
;; Extract and Render Entries of each Content Type
;; -----------------------------------------------
(defun khoj--extract-entries-as-markdown (json-response query)
"Convert JSON-RESPONSE, QUERY from API to markdown entries."
(thread-last
json-response
;; Extract and render each markdown entry from response
(mapcar (lambda (json-response-item)
(thread-last
;; Extract markdown entry from each item in json response
(cdr (assoc 'entry json-response-item))
;; Format markdown entry as a string
(format "%s\n\n")
;; Standardize results to 2nd level heading for consistent rendering
(replace-regexp-in-string "^\#+" "##"))))
;; Render entries into markdown formatted string with query set as as top level heading
(format "# %s\n%s" query)
;; remove leading (, ) or SPC from extracted entries string
(replace-regexp-in-string "^[\(\) ]" "")))
(defun khoj--extract-entries-as-org (json-response query)
"Convert JSON-RESPONSE, QUERY from API to `org-mode' entries."
(let ((org-results-buffer-format-str "* %s\n%s\n#+STARTUP: showall hidestars inlineimages"))
(thread-last
json-response
;; Extract and render each org-mode entry from response
(mapcar (lambda (json-response-item)
(thread-last
;; Extract org entry from each item in json response
(cdr (assoc 'entry json-response-item))
;; Format org entry as a string
(format "%s")
;; Standardize results to 2nd level heading for consistent rendering
(replace-regexp-in-string "^\*+" "**"))))
;; Render entries into org formatted string with query set as as top level heading
(format org-results-buffer-format-str query)
;; remove leading (, ) or SPC from extracted entries string
(replace-regexp-in-string "^[\(\) ]" ""))))
(defun khoj--extract-entries-as-ledger (json-response query)
"Convert JSON-RESPONSE, QUERY from API to ledger entries."
(thread-last json-response
;; extract and render entries from API response
(mapcar (lambda (args) (format "%s\n\n" (cdr (assoc 'entry args)))))
;; Set query as heading in rendered results buffer
(format ";; %s\n\n%s\n" query)
;; remove leading (, ) or SPC from extracted entries string
(replace-regexp-in-string "^[\(\) ]" "")
;; remove trailing (, ) or SPC from extracted entries string
(replace-regexp-in-string "[\(\) ]$" "")))
(defun khoj--extract-entries-as-images (json-response query)
"Convert JSON-RESPONSE, QUERY from API to html with images."
(let ((image-results-buffer-html-format-str "<html>\n<body>\n<h1>%s</h1>%s\n\n</body>\n</html>")
;; Format string to wrap images into html img, href tags with metadata in headings
(image-result-html-format-str "\n\n<h2>Score: %s Meta: %s Image: %s</h2>\n\n<a href=\"%s\">\n<img src=\"%s?%s\" width=%s height=%s>\n</a>"))
(thread-last
json-response
;; Extract each image entry from response and render as html
(mapcar (lambda (json-response-item)
(let ((score (cdr (assoc 'score json-response-item)))
(metadata_score (cdr (assoc 'metadata_score (assoc 'additional json-response-item))))
(image_score (cdr (assoc 'image_score (assoc 'additional json-response-item))))
(image_url (concat khoj-server-url (cdr (assoc 'entry json-response-item)))))
;; Wrap images into html img, href tags with metadata in headings
(format image-result-html-format-str
;; image scores metadata
score metadata_score image_score
;; image url
image_url image_url (random 10000)
;; image dimensions
khoj-image-width khoj-image-height))))
;; Collate entries into single html page string
(format image-results-buffer-html-format-str query)
;; remove leading (, ) or SPC from extracted entries string
(replace-regexp-in-string "^[\(\) ]" "")
;; remove trailing (, ) or SPC from extracted entries string
(replace-regexp-in-string "[\(\) ]$" ""))))
(defun khoj--buffer-name-to-content-type (buffer-name)
"Infer content type based on BUFFER-NAME."
(let ((enabled-content-types (khoj--get-enabled-content-types))
(file-extension (file-name-extension buffer-name)))
(cond
((and (member 'music enabled-content-types) (equal buffer-name "Music.org")) "music")
((and (member 'ledger enabled-content-types) (or (equal file-extension "bean") (equal file-extension "beancount"))) "ledger")
((and (member 'org enabled-content-types) (equal file-extension "org")) "org")
((and (member 'markdown enabled-content-types) (or (equal file-extension "markdown") (equal file-extension "md"))) "markdown")
(t khoj-default-content-type))))
;; --------------
;; Query Khoj API
;; --------------
(defun khoj--get-enabled-content-types ()
"Get content types enabled for search from API."
(let ((config-url (format "%s/api/config/data" khoj-server-url))
(url-request-method "GET"))
(with-temp-buffer
(erase-buffer)
(url-insert-file-contents config-url)
(let* ((json-response (json-parse-buffer :object-type 'alist))
(content-type (cdr (assoc 'content-type json-response))))
;; return content-type items with configuration
(mapcar
#'car
(cl-remove-if-not
(lambda (a) (not (eq (cdr a) :null)))
content-type))))))
(defun khoj--construct-api-query (query content-type &optional rerank)
"Construct API Query from QUERY, CONTENT-TYPE and (optional) RERANK params."
(let ((rerank (or rerank "false"))
(encoded-query (url-hexify-string query)))
(format "%s/api/search?q=%s&t=%s&r=%s&n=%s" khoj-server-url encoded-query content-type rerank khoj-results-count)))
(defun khoj--query-api-and-render-results (query-url content-type query buffer-name)
"Query Khoj QUERY-URL. Render results in BUFFER-NAME using QUERY, CONTENT-TYPE."
;; get json response from api
(with-current-buffer buffer-name
(let ((inhibit-read-only t)
(url-request-method "GET"))
(erase-buffer)
(url-insert-file-contents query-url)))
;; render json response into formatted entries
(with-current-buffer buffer-name
(let ((inhibit-read-only t)
(json-response (json-parse-buffer :object-type 'alist)))
(erase-buffer)
(insert
(cond ((or (equal content-type "org") (equal content-type "music")) (khoj--extract-entries-as-org json-response query))
((equal content-type "markdown") (khoj--extract-entries-as-markdown json-response query))
((equal content-type "ledger") (khoj--extract-entries-as-ledger json-response query))
((equal content-type "image") (khoj--extract-entries-as-images json-response query))
(t (format "%s" json-response))))
(cond ((equal content-type "org") (progn (org-mode)
(visual-line-mode)))
((equal content-type "markdown") (progn (markdown-mode)
(visual-line-mode)))
((equal content-type "ledger") (beancount-mode))
((equal content-type "music") (progn (org-mode)
(org-music-mode)))
((equal content-type "image") (progn (shr-render-region (point-min) (point-max))
(goto-char (point-min))))
(t (fundamental-mode))))
(read-only-mode t)))
;; ------------------
;; Incremental Search
;; ------------------
(defun khoj--incremental-search (&optional rerank)
"Perform Incremental Search on Khoj. Allow optional RERANK of results."
(let* ((rerank-str (cond (rerank "true") (t "false")))
(khoj-buffer-name (get-buffer-create khoj--buffer-name))
(query (minibuffer-contents-no-properties))
(query-url (khoj--construct-api-query query khoj--content-type rerank-str)))
;; Query khoj API only when user in khoj minibuffer and non-empty query
;; Prevents querying if
;; 1. user hasn't started typing query
;; 2. during recursive edits
;; 3. with contents of other buffers user may jump to
;; 4. search not triggered right after rerank
;; ignore to not overwrite reranked results before the user even sees them
(if khoj--rerank
(setq khoj--rerank nil)
(when
(and
(not (equal query ""))
(active-minibuffer-window)
(equal (current-buffer) khoj--minibuffer-window))
(progn
(when rerank
(setq khoj--rerank t)
(message "Khoj: Rerank Results"))
(khoj--query-api-and-render-results
query-url
khoj--content-type
query
khoj-buffer-name))))))
(defun khoj--delete-open-network-connections-to-server ()
"Delete all network connections to khoj server."
(dolist (proc (process-list))
(let ((proc-buf (buffer-name (process-buffer proc)))
(khoj-network-proc-buf (string-join (split-string khoj-server-url "://") " ")))
(when (string-match (format "%s" khoj-network-proc-buf) proc-buf)
(delete-process proc)))))
(defun khoj--teardown-incremental-search ()
"Teardown hooks used for incremental search."
(message "Khoj: Teardown Incremental Search")
;; unset khoj minibuffer window
(setq khoj--minibuffer-window nil)
;; delete open connections to khoj server
(khoj--delete-open-network-connections-to-server)
;; remove hooks for khoj incremental query and self
(remove-hook 'post-command-hook #'khoj--incremental-search)
(remove-hook 'minibuffer-exit-hook #'khoj--teardown-incremental-search))
(defun khoj-incremental ()
"Natural, Incremental Search for your personal notes, transactions and music."
(interactive)
(let* ((khoj-buffer-name (get-buffer-create khoj--buffer-name)))
;; switch to khoj results buffer
(switch-to-buffer khoj-buffer-name)
;; open and setup minibuffer for incremental search
(minibuffer-with-setup-hook
(lambda ()
;; Add khoj keybindings for configuring search to minibuffer keybindings
(khoj--make-search-keymap minibuffer-local-map)
;; Display information on keybindings to customize khoj search
(khoj--display-keybinding-info)
;; set current (mini-)buffer entered as khoj minibuffer
;; used to query khoj API only when user in khoj minibuffer
(setq khoj--minibuffer-window (current-buffer))
(add-hook 'post-command-hook #'khoj--incremental-search) ; do khoj incremental search after every user action
(add-hook 'minibuffer-exit-hook #'khoj--teardown-incremental-search)) ; teardown khoj incremental search on minibuffer exit
(read-string khoj--query-prompt))))
;; --------------
;; Similar Search
;; --------------
(defun khoj--get-current-outline-entry-text ()
"Get text under current outline section."
(string-trim
;; get text of current outline entry
(cond
;; when at heading of entry
((looking-at outline-regexp)
(buffer-substring-no-properties
(point)
(save-excursion (outline-next-heading) (point))))
;; when within entry
(t (buffer-substring-no-properties
(save-excursion (outline-previous-heading) (point))
(save-excursion (outline-next-heading) (point)))))))
(defun khoj--get-current-paragraph-text ()
"Get trimmed text in current paragraph at point.
Paragraph only starts at first text after blank line."
(string-trim
(cond
;; when at end of a middle paragraph
((and (looking-at paragraph-start) (not (equal (point) (point-min))))
(buffer-substring-no-properties
(save-excursion (backward-paragraph) (point))
(point)))
;; else
(t (thing-at-point 'paragraph t)))))
(defun khoj--find-similar (&optional content-type)
"Find items of CONTENT-TYPE in khoj index similar to text surrounding point."
(interactive)
(let* ((rerank "true")
;; set content type to: specified > based on current buffer > default type
(content-type (or content-type (khoj--buffer-name-to-content-type (buffer-name))))
;; get text surrounding current point based on the major mode context
(query (cond
;; get section outline derived mode like org or markdown
((or (derived-mode-p 'outline-mode) (equal major-mode 'markdown-mode))
(khoj--get-current-outline-entry-text))
;; get paragraph, if in text mode
(t
(khoj--get-current-paragraph-text))))
(query-url (khoj--construct-api-query query content-type rerank))
;; extract heading to show in result buffer from query
(query-title
(format "Similar to: %s"
(replace-regexp-in-string "^[#\\*]* " "" (car (split-string query "\n")))))
(buffer-name (get-buffer-create khoj--buffer-name)))
(progn
(khoj--query-api-and-render-results
query-url
content-type
query-title
buffer-name)
(switch-to-buffer buffer-name)
(goto-char (point-min)))))
;; ---------
;; Khoj Menu
;; ---------
(transient-define-argument khoj--content-type-switch ()
:class 'transient-switches
:argument-format "--content-type=%s"
:argument-regexp ".+"
;; set content type to: last used > based on current buffer > default type
:init-value (lambda (obj) (oset obj value (format "--content-type=%s" (or khoj--content-type (khoj--buffer-name-to-content-type (buffer-name))))))
;; dynamically set choices to content types enabled on khoj backend
:choices (or (ignore-errors (mapcar #'symbol-name (khoj--get-enabled-content-types))) '("org" "markdown" "ledger" "music" "image")))
(transient-define-suffix khoj--search-command (&optional args)
(interactive (list (transient-args transient-current-command)))
(progn
;; set content type to: specified > last used > based on current buffer > default type
(setq khoj--content-type (or (transient-arg-value "--content-type=" args) (khoj--buffer-name-to-content-type (buffer-name))))
;; set results count to: specified > last used > to default
(setq khoj-results-count (or (transient-arg-value "--results-count=" args) khoj-results-count))
;; trigger incremental search
(call-interactively #'khoj-incremental)))
(transient-define-suffix khoj--find-similar-command (&optional args)
"Find items similar to current item at point."
(interactive (list (transient-args transient-current-command)))
(progn
;; set content type to: specified > last used > based on current buffer > default type
(setq khoj--content-type (or (transient-arg-value "--content-type=" args) (khoj--buffer-name-to-content-type (buffer-name))))
;; set results count to: specified > last used > to default
(setq khoj-results-count (or (transient-arg-value "--results-count=" args) khoj-results-count))
(khoj--find-similar khoj--content-type)))
(transient-define-suffix khoj--update-command (&optional args)
"Call khoj API to update index of specified content type."
(interactive (list (transient-args transient-current-command)))
(let* ((force-update (if (member "--force-update" args) "true" "false"))
;; set content type to: specified > last used > based on current buffer > default type
(content-type (or (transient-arg-value "--content-type=" args) (khoj--buffer-name-to-content-type (buffer-name))))
(update-url (format "%s/api/update?t=%s&force=%s" khoj-server-url content-type force-update))
(url-request-method "GET"))
(progn
(setq khoj--content-type content-type)
(url-retrieve update-url (lambda (_) (message "Khoj %s index %supdated!" content-type (if (member "--force-update" args) "force " "")))))))
(transient-define-prefix khoj-menu ()
"Create Khoj Menu to Configure and Execute Commands."
[["Configure General"
("t" "Content Type" khoj--content-type-switch)]
["Configure Search"
("n" "Results Count" "--results-count=" :init-value (lambda (obj) (oset obj value (format "%s" khoj-results-count))))]
["Configure Update"
("-f" "Force Update" "--force-update")]]
[["Act"
("s" "Search" khoj--search-command)
("f" "Find Similar" khoj--find-similar-command)
("u" "Update" khoj--update-command)
("q" "Quit" transient-quit-one)]])
;; ----------
;; Entrypoint
;; ----------
;;;###autoload
(defun khoj ()
"Natural, Incremental Search for your personal notes, transactions and images."
(interactive)
(khoj-menu))
(provide 'khoj)
;;; khoj.el ends here

251
src/interface/emacs/tests/khoj-tests.el
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@@ -1,251 +0,0 @@
;;; khoj-tests.el --- Test suite for khoj.el -*- lexical-binding: t -*-
;; Copyright (C) 2023 Debanjum Singh Solanky
;; Author: Debanjum Singh Solanky <debanjum@gmail.com>
;; Version: 0.0.0
;; Package-Requires: ((emacs "27.1") (transient "0.3.0"))
;; URL: https://github.com/debanjum/khoj/tree/master/src/interface/emacs
;;; License:
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file contains the test suite for khoj.el.
;;; Code:
(require 'ert)
(require 'khoj)
;; ----------------------------------------------------
;; Test Extract and Render Entries of each Content Type
;; ----------------------------------------------------
(ert-deftest khoj-tests--extract-entries-as-markdown ()
"Test `json-response', `query' from API formatted as markdown."
(let ((user-query "Become God")
(json-response-from-khoj-backend
(json-read-from-string
"[\
{\
\"entry\": \"## Upgrade\\n\\n Penance to Immortality\",\
\"score\": \"0.376\",\
\"additional\": {\
\"file\": \"/home/ravan/upgrade.md\",\
\"compiled\": \"## Upgrade Penance to Immortality\"\
}\
},\
{\
\"entry\": \"## Act\\n\\n Rule everything\",\
\"score\": \"0.153\",\
\"additional\": {\
\"file\": \"/home/ravan/act.md\",\
\"compiled\": \"## Act Rule everything\"\
}\
}]\
")))
(should
(equal
(khoj--extract-entries-as-markdown json-response-from-khoj-backend user-query)
"\
# Become God\n\
## Upgrade\n\
\n\
Penance to Immortality\n\n\
## Act\n\
\n\
Rule everything\n\n"))))
(ert-deftest khoj-tests--extract-entries-as-org ()
"Test `json-response', `query' from API formatted as org."
(let ((user-query "Become God")
(json-response-from-khoj-backend
(json-read-from-string
"[\
{\
\"entry\": \"** Upgrade\\n\\n Penance to Immortality\\n\",\
\"score\": \"0.42\",\
\"additional\": {\
\"file\": \"/home/ravan/upgrade.md\",\
\"compiled\": \"** Upgrade Penance to Immortality\"\
}\
},\
{\
\"entry\": \"** Act\\n\\n Rule everything\\n\",\
\"score\": \"0.42\",\
\"additional\": {\
\"file\": \"/home/ravan/act.md\",\
\"compiled\": \"** Act Rule everything\"\
}\
}]\
")))
(should
(equal
(khoj--extract-entries-as-org json-response-from-khoj-backend user-query)
"\
* Become God\n\
** Upgrade\n\
\n\
Penance to Immortality\n\
** Act\n\
\n\
Rule everything\n\
\n\
#+STARTUP: showall hidestars inlineimages"))))
(ert-deftest khoj-tests--extract-entries-as-ledger ()
"Test `json-response', `query' from API formatted as beancount ledger."
(let ((user-query "Become God")
(json-response-from-khoj-backend
(json-read-from-string
"[\
{\
\"entry\": \"4242-04-01 * \\\"Penance Center\\\" \\\"Book Stay for 10,000 Years\\\"\\n Expenses:Health:Mental 15 GOLD\\n Assets:Commodities:Gold\",\
\"score\": \"0.42\",\
\"additional\": {\
\"file\": \"/home/ravan/ledger.beancount\",\
\"compiled\": \"4242-04-01 * \\\"Penance Center\\\" \\\"Book Stay for 10,000 Years\\\" Expenses:Health:Mental 15 GOLD Assets:Commodities:Gold\"\
}\
},\
{\
\"entry\": \"14242-04-01 * \\\"Brahma\\\" \\\"Boon for Invincibility from Higher Beings\\\"\\n Income:Health -1,00,00,000 LIFE\\n Assets:Commodities:Life\",\
\"score\": \"0.42\",\
\"additional\": {\
\"file\": \"/home/ravan/ledger.beancount\",\
\"compiled\": \"4242-04-01 * \\\"Brahma\\\" \\\"Boon for Invincibility from Higher Beings\\\" Income:Health -1,00,00,000 LIFE Assets:Commodities:Life\"\
}\
}]\
")))
(should
(equal
(khoj--extract-entries-as-ledger json-response-from-khoj-backend user-query)
";; Become God\n\
\n\
4242-04-01 * \"Penance Center\" \"Book Stay for 10,000 Years\"\n\
Expenses:Health:Mental 15 GOLD\n\
Assets:Commodities:Gold\n\
\n\
14242-04-01 * \"Brahma\" \"Boon for Invincibility from Higher Beings\"\n\
Income:Health -1,00,00,000 LIFE\n\
Assets:Commodities:Life\n\
\n\
\n\
"))))
;; -------------------------------------
;; Test Helpers for Find Similar Feature
;; -------------------------------------
(ert-deftest khoj-tests--get-current-outline-entry-text ()
"Test get current outline-mode entry text'."
(with-temp-buffer
(insert "\
* Become God\n\
** Upgrade\n\
\n\
Penance to Immortality\n\
** Act\n\
\n\
Rule everything\\n")
(goto-char (point-min))
;; Test getting current entry text from cursor at start of outline heading
(outline-next-visible-heading 1)
(should
(equal
(khoj--get-current-outline-entry-text)
"\
** Upgrade\n\
\n\
Penance to Immortality"))
;; Test getting current entry text from cursor within outline entry
(forward-line)
(should
(equal
(khoj--get-current-outline-entry-text)
"\
** Upgrade\n\
\n\
Penance to Immortality"))
))
(ert-deftest khoj-tests--get-current-paragraph-text ()
"Test get current paragraph text'."
(with-temp-buffer
(insert "\
* Become God\n\
** Upgrade\n\
\n\
Penance to Immortality\n\
** Act\n\
\n\
Rule everything\n")
;; Test getting current paragraph text from cursor at start of buffer
(goto-char (point-min))
(should
(equal
(khoj--get-current-paragraph-text)
"* Become God\n\
** Upgrade"))
;; Test getting current paragraph text from cursor within paragraph
(goto-char (point-min))
(forward-line 1)
(should
(equal
(khoj--get-current-paragraph-text)
"* Become God\n\
** Upgrade"))
;; Test getting current paragraph text from cursor at paragraph end
(goto-char (point-min))
(forward-line 2)
(should
(equal
(khoj--get-current-paragraph-text)
"* Become God\n\
** Upgrade"))
;; Test getting current paragraph text from cursor at start of middle paragraph
(goto-char (point-min))
(forward-line 3)
(should
(equal
(khoj--get-current-paragraph-text)
"Penance to Immortality\n\
** Act"))
;; Test getting current paragraph text from cursor at end of buffer
(goto-char (point-max))
(should
(equal
(khoj--get-current-paragraph-text)
"Rule everything"))
))
(provide 'khoj-tests)
;;; khoj-tests.el ends here

10
src/interface/obsidian/.editorconfig
View File

@@ -1,10 +0,0 @@
# 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

2
src/interface/obsidian/.eslintignore
View File

@@ -1,2 +0,0 @@
npm node_modules
build

23
src/interface/obsidian/.eslintrc
View File

@@ -1,23 +0,0 @@
{
"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"
}
}

26
src/interface/obsidian/.gitignore vendored
View File

@@ -1,26 +0,0 @@
# 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*

1
src/interface/obsidian/.npmrc
View File

@@ -1 +0,0 @@
tag-version-prefix=""

622
src/interface/obsidian/LICENSE
View File

@@ -1,622 +0,0 @@
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contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
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to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
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under version 3 of the GNU Affero General Public License into a single
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License will continue to apply to the part which is the covered work,
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section 13, concerning interaction through a network will apply to the
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14. Revised Versions of this License.
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address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
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15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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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)
- [Search](#search)
- [Find Similar Notes](#find-similar-notes)
- [Upgrade](#Upgrade)
- [Upgrade Backend](#1-Upgrade-Backend)
- [Upgrade Plugin](#2-Upgrade-Plugin)
- [Troubleshoot](#Troubleshoot)
- [Visualize Codebase](#Visualize-Codebase)
- [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
<details><summary>Description</summary>
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. Wait for Khoj backend to index 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)
</details>
### Interface
![](https://github.com/debanjum/khoj/blob/master/src/interface/obsidian/docs/khoj_on_obsidian_0.2.5.png?)
## Setup
- *Make sure [python](https://realpython.com/installing-python/) and [pip](https://pip.pypa.io/en/stable/installation/) are installed on your machine*
- *Ensure you follow the ordering of the setup steps. Install the plugin after starting the khoj backend. This allows the plugin to configure the khoj backend*
### 1. Setup Backend
Open terminal/cmd and run below command to install and start the khoj backend
```shell
pip install khoj-assistant && khoj --no-gui
```
### 2. Setup Plugin
1. Open [Khoj](https://obsidian.md/plugins?id=khoj) from the *Community plugins* tab in Obsidian settings panel
2. Click *Install*, then *Enable* on the Khoj plugin page in Obsidian
See [official Obsidian plugin docs](https://help.obsidian.md/Extending+Obsidian/Community+plugins) for details
## Use
### Search
Click the *Khoj search* icon 🔎 on the [Ribbon](https://help.obsidian.md/User+interface/Workspace/Ribbon) or run *Khoj: Search* from the [Command Palette](https://help.obsidian.md/Plugins/Command+palette)
*Note: Ensure the khoj server is running in the background before searching. Execute `khoj --no-gui` in your terminal if it is not already running*
https://user-images.githubusercontent.com/6413477/218801155-cd67e8b4-a770-404a-8179-d6b61caa0f93.mp4
<details><summary>Query Filters</summary>
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?"*
</details>
### Find Similar Notes
To see other notes similar to the current one, run *Khoj: Find Similar Notes* from the [Command Palette](https://help.obsidian.md/Plugins/Command+palette)
## 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
- Open the Khoj plugin settings pane, to configure Khoj
- Toggle Enable/Disable Khoj, if setting changes have not applied
- Click *Update* button to force index to refresh, if results are failing or stale
## Current Limitations
- The plugin loads the index of only one vault at a time.<br/>
So notes across multiple vaults **cannot** be searched at the same time
## Visualize Codebase
<img src="https://github.com/debanjum/khoj/blob/master/src/interface/obsidian/docs/khoj_obsidian_codebase_visualization_0.2.1.png" width="700" />
## 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
- [X] Allow reranking of result to improve search quality
- [X] Allow Finding notes similar to current note being viewed

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src/interface/obsidian/esbuild.config.mjs
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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));

10
src/interface/obsidian/manifest.json
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@@ -1,10 +0,0 @@
{
"id": "khoj",
"name": "Khoj",
"version": "0.3.0",
"minAppVersion": "0.15.0",
"description": "Natural, Incremental Search for your Second Brain 🦅",
"author": "Debanjum Singh Solanky",
"authorUrl": "https://github.com/debanjum",
"isDesktopOnly": false
}

24
src/interface/obsidian/package.json
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@@ -1,24 +0,0 @@
{
"name": "Khoj",
"version": "0.3.0",
"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"
}
}

63
src/interface/obsidian/src/main.ts
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import { Notice, 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 search command. It can be triggered from anywhere
this.addCommand({
id: 'search',
name: 'Search',
checkCallback: (checking) => {
if (!checking && this.settings.connectedToBackend)
new KhojModal(this.app, this.settings).open();
return this.settings.connectedToBackend;
}
});
// Add similar notes command. It can only be triggered from the editor
this.addCommand({
id: 'similar',
name: 'Find similar notes',
editorCheckCallback: (checking) => {
if (!checking && this.settings.connectedToBackend)
new KhojModal(this.app, this.settings, true).open();
return this.settings.connectedToBackend;
}
});
// Create an icon in the left ribbon.
this.addRibbonIcon('search', 'Khoj', (_: MouseEvent) => {
// Called when the user clicks the icon.
this.settings.connectedToBackend
? new KhojModal(this.app, this.settings).open()
: new Notice(`❗️Ensure Khoj backend is running and Khoj URL is pointing to it in the plugin settings`);
});
// Add a settings tab so the user can configure khoj
this.addSettingTab(new KhojSettingTab(this.app, this));
}
async loadSettings() {
// Load khoj obsidian plugin settings
this.settings = Object.assign({}, DEFAULT_SETTINGS, await this.loadData());
if (this.settings.autoConfigure) {
// Load, configure khoj server settings
await configureKhojBackend(this.app.vault, this.settings);
}
}
async saveSettings() {
if (this.settings.autoConfigure) {
await configureKhojBackend(this.app.vault, this.settings, false);
}
this.saveData(this.settings);
}
}

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import { App, SuggestModal, request, MarkdownRenderer, Instruction, Platform } from 'obsidian';
import { KhojSetting } from 'src/settings';
export interface SearchResult {
entry: string;
file: string;
}
export class KhojModal extends SuggestModal<SearchResult> {
setting: KhojSetting;
rerank: boolean = false;
find_similar_notes: boolean;
app: App;
constructor(app: App, setting: KhojSetting, find_similar_notes: boolean = false) {
super(app);
this.app = app;
this.setting = setting;
this.find_similar_notes = find_similar_notes;
// Hide input element in Similar Notes mode
this.inputEl.hidden = this.find_similar_notes;
// Register Modal Keybindings to Rerank Results
this.scope.register(['Mod'], 'Enter', async () => {
// Re-rank when explicitly triggered by user
this.rerank = true
// Trigger input event to get and render (reranked) results from khoj backend
this.inputEl.dispatchEvent(new Event('input'));
// Rerank disabled by default to satisfy latency requirements for incremental search
this.rerank = false
});
// Add Hints to Modal for available Keybindings
const modalInstructions: Instruction[] = [
{
command: '↑↓',
purpose: 'to navigate',
},
{
command: '↵',
purpose: 'to open',
},
{
command: Platform.isMacOS ? 'cmd ↵' : 'ctrl ↵',
purpose: 'to rerank',
},
{
command: 'esc',
purpose: 'to dismiss',
},
]
this.setInstructions(modalInstructions);
// Set Placeholder Text for Modal
this.setPlaceholder('Search with Khoj 🦅...');
}
async onOpen() {
if (this.find_similar_notes) {
// If markdown file is currently active
let file = this.app.workspace.getActiveFile();
if (file && file.extension === 'md') {
// Enable rerank of search results
this.rerank = true
// Set input element to contents of active markdown file
// truncate to first 8,000 characters to avoid hitting query size limits
this.inputEl.value = await this.app.vault.read(file).then(file_str => file_str.slice(0, 8000));
// Trigger search to get and render similar notes from khoj backend
this.inputEl.dispatchEvent(new Event('input'));
this.rerank = false
}
else {
this.resultContainerEl.setText('Cannot find similar notes for non-markdown files');
}
}
}
async getSuggestions(query: string): Promise<SearchResult[]> {
// Query Khoj backend for search results
let encodedQuery = encodeURIComponent(query);
let searchUrl = `${this.setting.khojUrl}/api/search?q=${encodedQuery}&n=${this.setting.resultsCount}&r=${this.rerank}&t=markdown`;
let response = await request(searchUrl);
let data = JSON.parse(response);
let results = data
.filter((result: any) => !this.find_similar_notes || !result.additional.file.endsWith(this.app.workspace.getActiveFile()?.path))
.map((result: any) => { return { entry: result.entry, file: result.additional.file } as SearchResult; });
return results;
}
async renderSuggestion(result: SearchResult, el: HTMLElement) {
let words_to_render = 30;
let entry_words = result.entry.split(' ')
let entry_snipped_indicator = entry_words.length > words_to_render ? ' **...**' : '';
let snipped_entry = entry_words.slice(0, words_to_render).join(' ');
MarkdownRenderer.renderMarkdown(snipped_entry + entry_snipped_indicator, el, null, null);
}
async onChooseSuggestion(result: SearchResult, _: MouseEvent | KeyboardEvent) {
// Get all markdown files in vault
const mdFiles = this.app.vault.getMarkdownFiles();
// Find the vault file matching file of chosen search result
let file_match = mdFiles
// Sort by descending length of path
// This finds longest path match when multiple files have same name
.sort((a, b) => b.path.length - a.path.length)
// The first match is the best file match across OS
// e.g Khoj server on Linux, Obsidian vault on Android
.find(file => result.file.endsWith(file.path))
// Open vault file at heading of chosen search result
if (file_match){
let resultHeading = result.entry.split('\n', 1)[0];
let linkToEntry = `${file_match.path}${resultHeading}`
this.app.workspace.openLinkText(linkToEntry, '');
console.log(`Link: ${linkToEntry}, File: ${file_match.path}, Heading: ${resultHeading}`);
}
}
}

116
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import { App, Notice, PluginSettingTab, request, Setting } from 'obsidian';
import Khoj from 'src/main';
export interface KhojSetting {
resultsCount: number;
khojUrl: string;
connectedToBackend: boolean;
autoConfigure: boolean;
}
export const DEFAULT_SETTINGS: KhojSetting = {
resultsCount: 6,
khojUrl: 'http://localhost:8000',
connectedToBackend: false,
autoConfigure: true,
}
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();
// Add notice whether able to connect to khoj backend or not
containerEl.createEl('small', { text: this.getBackendStatusMessage() });
// Add khoj settings configurable from the plugin settings tab
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.trim();
await this.plugin.saveSettings();
containerEl.firstElementChild?.setText(this.getBackendStatusMessage());
}));
new Setting(containerEl)
.setName('Results Count')
.setDesc('The number of search results to show')
.addSlider(slider => slider
.setLimits(1, 10, 1)
.setValue(this.plugin.settings.resultsCount)
.setDynamicTooltip()
.onChange(async (value) => {
this.plugin.settings.resultsCount = value;
await this.plugin.saveSettings();
}));
new Setting(containerEl)
.setName('Auto Configure')
.setDesc('Automatically configure the Khoj backend')
.addToggle(toggle => toggle
.setValue(this.plugin.settings.autoConfigure)
.onChange(async (value) => {
this.plugin.settings.autoConfigure = value;
await this.plugin.saveSettings();
}));
let indexVaultSetting = new Setting(containerEl);
indexVaultSetting
.setName('Index Vault')
.setDesc('Manually force Khoj to re-index your Obsidian Vault')
.addButton(button => button
.setButtonText('Update')
.setCta()
.onClick(async () => {
// Disable button while updating index
button.setButtonText('Updating 🌑');
button.removeCta();
indexVaultSetting = indexVaultSetting.setDisabled(true);
// Show indicator for indexing in progress
const progress_indicator = window.setInterval(() => {
if (button.buttonEl.innerText === 'Updating 🌑') {
button.setButtonText('Updating 🌘');
} else if (button.buttonEl.innerText === 'Updating 🌘') {
button.setButtonText('Updating 🌗');
} else if (button.buttonEl.innerText === 'Updating 🌗') {
button.setButtonText('Updating 🌖');
} else if (button.buttonEl.innerText === 'Updating 🌖') {
button.setButtonText('Updating 🌕');
} else if (button.buttonEl.innerText === 'Updating 🌕') {
button.setButtonText('Updating 🌔');
} else if (button.buttonEl.innerText === 'Updating 🌔') {
button.setButtonText('Updating 🌓');
} else if (button.buttonEl.innerText === 'Updating 🌓') {
button.setButtonText('Updating 🌒');
} else if (button.buttonEl.innerText === 'Updating 🌒') {
button.setButtonText('Updating 🌑');
}
}, 300);
this.plugin.registerInterval(progress_indicator);
await request(`${this.plugin.settings.khojUrl}/api/update?t=markdown&force=true`);
new Notice('✅ Updated Khoj index.');
// Reset button once index is updated
window.clearInterval(progress_indicator);
button.setButtonText('Update');
button.setCta();
indexVaultSetting = indexVaultSetting.setDisabled(false);
})
);
}
getBackendStatusMessage() {
return !this.plugin.settings.connectedToBackend
? '❗Disconnected from Khoj backend. Ensure Khoj backend is running and Khoj URL is correctly set below.'
: '✅ Connected to Khoj backend.';
}
}

116
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import { FileSystemAdapter, Notice, RequestUrlParam, request, Vault } from 'obsidian';
import { KhojSetting } from 'src/settings'
export function getVaultAbsolutePath(vault: Vault): string {
let adaptor = vault.adapter;
if (adaptor instanceof FileSystemAdapter) {
return adaptor.getBasePath();
}
return '';
}
export async function configureKhojBackend(vault: Vault, setting: KhojSetting, notify: boolean = true) {
let mdInVault = `${getVaultAbsolutePath(vault)}/**/*.md`;
let khojConfigUrl = `${setting.khojUrl}/api/config/data`;
// Check if khoj backend is configured, note if cannot connect to backend
let khoj_already_configured = await request(khojConfigUrl)
.then(response => {
setting.connectedToBackend = true;
return response !== "null"
})
.catch(error => {
setting.connectedToBackend = false;
if (notify)
new Notice(`❗️Ensure Khoj backend is running and Khoj URL is pointing to it in the plugin settings.\n\n${error}`);
})
// Short-circuit configuring khoj if unable to connect to khoj backend
if (!setting.connectedToBackend) return;
// Set index name from the path of the current vault
let indexName = getVaultAbsolutePath(vault).replace(/\//g, '_').replace(/ /g, '_');
// Get default index directory from khoj backend
let khojDefaultIndexDirectory = await request(`${khojConfigUrl}/default`)
.then(response => JSON.parse(response))
.then(data => { return getIndexDirectoryFromBackendConfig(data); });
// Get current config if khoj backend configured, else get default config from khoj backend
await request(khoj_already_configured ? khojConfigUrl : `${khojConfigUrl}/default`)
.then(response => JSON.parse(response))
.then(data => {
// If khoj backend not configured yet
if (!khoj_already_configured) {
// Create khoj content-type config with only markdown configured
data["content-type"] = {
"markdown": {
"input-filter": [mdInVault],
"input-files": null,
"embeddings-file": `${khojDefaultIndexDirectory}/${indexName}.pt`,
"compressed-jsonl": `${khojDefaultIndexDirectory}/${indexName}.jsonl.gz`,
}
}
// Disable khoj processors, as not required
delete data["processor"];
// Save new config and refresh index on khoj backend
updateKhojBackend(setting.khojUrl, data);
console.log(`Khoj: Created khoj backend config:\n${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
data["content-type"]["markdown"] = {
"input-filter": [mdInVault],
"input-files": null,
"embeddings-file": `${khojDefaultIndexDirectory}/${indexName}.pt`,
"compressed-jsonl": `${khojDefaultIndexDirectory}/${indexName}.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${JSON.stringify(data["content-type"])}`)
}
// Else if khoj is not configured to index markdown files in configured obsidian vault
else if (data["content-type"]["markdown"]["input-filter"].length != 1 ||
data["content-type"]["markdown"]["input-filter"][0] !== mdInVault) {
// Update markdown config in khoj content-type config
// Set markdown config to only index markdown files in configured obsidian vault
let khojIndexDirectory = getIndexDirectoryFromBackendConfig(data);
data["content-type"]["markdown"] = {
"input-filter": [mdInVault],
"input-files": null,
"embeddings-file": `${khojIndexDirectory}/${indexName}.pt`,
"compressed-jsonl": `${khojIndexDirectory}/${indexName}.jsonl.gz`,
}
// Save updated config and refresh index on khoj backend
updateKhojBackend(setting.khojUrl, data);
console.log(`Khoj: Updated markdown config in khoj backend config:\n${JSON.stringify(data["content-type"]["markdown"])}`)
}
})
.catch(error => {
if (notify)
new Notice(`❗️Failed to configure Khoj backend. Contact developer on Github.\n\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`));
}
function getIndexDirectoryFromBackendConfig(khojConfig: any) {
return khojConfig["content-type"]["markdown"]["embeddings-file"].split("/").slice(0, -1).join("/");
}

8
src/interface/obsidian/styles.css
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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.
*/

24
src/interface/obsidian/tsconfig.json
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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"
]
}

14
src/interface/obsidian/version-bump.mjs
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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"));

6
src/interface/obsidian/versions.json
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{
"0.2.1": "0.15.0",
"0.2.5": "0.15.0",
"0.2.6": "0.15.0",
"0.3.0": "0.15.0"
}

29
src/interface/web/assets/config.css
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:root {
--primary-color: #ffffff;
--bold-color: #2073ee;
--complementary-color: #124408;
--accent-color-0: #57f0b5;
}
input[type=text] {
width: 40%;
}
div.config-element {
color: var(--bold-color);
margin: 8px;
}
div.config-title {
font-weight: bold;
}
span.config-element-value {
color: var(--complementary-color);
font-weight: normal;
cursor: pointer;
}
button {
cursor: pointer;
}

125
src/interface/web/assets/config.js
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// Retrieve elements from the DOM.
var showConfig = document.getElementById("show-config");
var configForm = document.getElementById("config-form");
var regenerateButton = document.getElementById("config-regenerate");
// Global variables.
var rawConfig = {};
var emptyValueDefault = "🖊️";
/**
* Fetch the existing config file.
*/
fetch("/api/config/data")
.then(response => response.json())
.then(data => {
rawConfig = data;
configForm.style.display = "block";
processChildren(configForm, data);
var submitButton = document.createElement("button");
submitButton.type = "submit";
submitButton.innerHTML = "update";
configForm.appendChild(submitButton);
// The config form's submit handler.
configForm.addEventListener("submit", (event) => {
event.preventDefault();
console.log(rawConfig);
fetch("/api/config/data", {
method: "POST",
credentials: "same-origin",
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(rawConfig)
})
.then(response => response.json())
.then(data => console.log(data));
});
});
/**
* The click handler for the Regenerate button.
*/
regenerateButton.addEventListener("click", (event) => {
event.preventDefault();
regenerateButton.style.cursor = "progress";
regenerateButton.disabled = true;
fetch("/api/update?force=true")
.then(response => response.json())
.then(data => {
regenerateButton.style.cursor = "pointer";
regenerateButton.disabled = false;
console.log(data);
});
})
/**
* Adds config elements to the DOM representing the sub-components
* of one of the fields in the raw config file.
* @param {the parent element} element
* @param {the data to be rendered for this element and its children} data
*/
function processChildren(element, data) {
for (let key in data) {
var child = document.createElement("div");
child.id = key;
child.className = "config-element";
child.appendChild(document.createTextNode(key + ": "));
if (data[key] === Object(data[key]) && !Array.isArray(data[key])) {
child.className+=" config-title";
processChildren(child, data[key]);
} else {
child.appendChild(createValueNode(data, key));
}
element.appendChild(child);
}
}
/**
* Takes an element, and replaces it with an editable
* element with the same data in place.
* @param {the original element to be replaced} original
* @param {the source data to be rendered for the new element} data
* @param {the key for this input in the source data} key
*/
function makeElementEditable(original, data, key) {
original.addEventListener("click", () => {
var inputNewText = document.createElement("input");
inputNewText.type = "text";
inputNewText.className = "config-element-edit";
inputNewText.value = (original.textContent == emptyValueDefault) ? "" : original.textContent;
fixInputOnFocusOut(inputNewText, data, key);
original.parentNode.replaceChild(inputNewText, original);
inputNewText.focus();
});
}
/**
* Creates a node corresponding to the value of a config element.
* @param {the source data} data
* @param {the key corresponding to this node's data} key
* @returns A new element which corresponds to the value in some field.
*/
function createValueNode(data, key) {
var valueElement = document.createElement("span");
valueElement.className = "config-element-value";
valueElement.textContent = !data[key] ? emptyValueDefault : data[key];
makeElementEditable(valueElement, data, key);
return valueElement;
}
/**
* Replaces an existing input element with an element with the same data, which is not an input.
* If the input data for this element was changed, update the corresponding data in the raw config.
* @param {the original element to be replaced} original
* @param {the source data} data
* @param {the key corresponding to this node's data} key
*/
function fixInputOnFocusOut(original, data, key) {
original.addEventListener("blur", () => {
data[key] = (original.value != emptyValueDefault) ? original.value : "";
original.parentNode.replaceChild(createValueNode(data, key), original);
})
}

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src/interface/web/chat.html
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<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0 maximum-scale=1.0">
<title>Khoj</title>
<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 144 144%22><text y=%22.86em%22 font-size=%22144%22>🦅</text></svg>">
<link rel="icon" type="image/png" sizes="144x144" href="/static/assets/icons/favicon-144x144.png">
<link rel="manifest" href="/static/khoj.webmanifest">
</head>
<script>
function setTypeFieldInUrl(type) {
let url = new URL(window.location.href);
url.searchParams.set("t", type.value);
window.history.pushState({}, "", url.href);
}
function formatDate(date) {
// Format date in HH:MM, DD MMM YYYY format
let time_string = date.toLocaleTimeString('en-IN', { hour: '2-digit', minute: '2-digit', hour12: false });
let date_string = date.toLocaleString('en-IN', { year: 'numeric', month: 'short', day: '2-digit'}).replaceAll('-', ' ');
return `${time_string}, ${date_string}`;
}
function renderMessage(message, by, dt=null) {
let message_time = formatDate(dt ?? new Date());
let by_name = by == "khoj" ? "🦅 Khoj" : "🤔 You";
// Generate HTML for Chat Message and Append to Chat Body
document.getElementById("chat-body").innerHTML += `
<div data-meta="${by_name} at ${message_time}" class="chat-message ${by}">
<div class="chat-message-text ${by}">${message}</div>
</div>
`;
// Scroll to bottom of input-body element
document.getElementById("chat-body").scrollTop = document.getElementById("chat-body").scrollHeight;
}
function chat() {
// Extract required fields for search from form
query = document.getElementById("chat-input").value.trim();
type_ = document.getElementById("chat-type").value;
console.log(`Query: ${query}, Type: ${type_}`);
// Short circuit on empty query
if (query.length === 0)
return;
// Add message by user to chat body
renderMessage(query, "you");
document.getElementById("chat-input").value = "";
// Generate backend API URL to execute query
url = type_ === "chat"
? `/api/beta/chat?q=${encodeURIComponent(query)}`
: `/api/beta/summarize?q=${encodeURIComponent(query)}`;
// Call specified Khoj API
fetch(url)
.then(response => response.json())
.then(data => data.response)
.then(response => {
// Render message by Khoj to chat body
console.log(response);
renderMessage(response, "khoj");
});
}
function incrementalChat(event) {
// Send chat message on 'Enter'
if (event.key === 'Enter') {
chat();
}
}
window.onload = function () {
// Fill type field with value passed in URL query parameters, if any.
var type_via_url = new URLSearchParams(window.location.search).get("t");
if (type_via_url)
document.getElementById("chat-type").value = type_via_url;
fetch('/api/beta/chat')
.then(response => response.json())
.then(data => data.response)
.then(chat_logs => {
// Render conversation history, if any
chat_logs.forEach(chat_log => {
renderMessage(chat_log.message, chat_log.by, new Date(chat_log.created));
});
});
// Set welcome message on load
renderMessage("Hey, what's up?", "khoj");
// Fill query field with value passed in URL query parameters, if any.
var query_via_url = new URLSearchParams(window.location.search).get("q");
if (query_via_url) {
document.getElementById("chat-input").value = query_via_url;
chat();
}
}
</script>
<body>
<!-- Chat Header -->
<h1>Khoj</h1>
<!-- Chat Body -->
<div id="chat-body"></div>
<!-- Chat Footer -->
<div id="chat-footer">
<input type="text" id="chat-input" class="option" onkeyup=incrementalChat(event) autofocus="autofocus" placeholder="What is the meaning of life?">
<!--Select Chat Type from: Chat, Summarize -->
<select id="chat-type" class="option" onchange="setTypeFieldInUrl(this)">
<option value="chat">Chat</option>
<option value="summarize">Summarize</option>
</select>
</div>
</body>
<style>
html, body {
height: 100%;
width: 100%;
padding: 0px;
margin: 0px;
}
body {
display: grid;
background: #f8fafc;
color: #475569;
text-align: center;
font-family: roboto, karma, segoe ui, sans-serif;
font-size: 20px;
font-weight: 300;
line-height: 1.5em;
}
body > * {
padding: 10px;
margin: 10px;
}
h1 {
font-weight: 200;
color: #017eff;
}
#chat-body {
font-size: medium;
margin: 0px;
line-height: 20px;
overflow-y: scroll; /* Make chat body scroll to see history */
}
/* add chat metatdata to bottom of bubble */
.chat-message::after {
content: attr(data-meta);
display: block;
font-size: x-small;
color: #475569;
margin: -12px 7px 0 -5px;
}
/* move message by khoj to left */
.chat-message.khoj {
margin-left: auto;
text-align: left;
}
/* move message by you to right */
.chat-message.you {
margin-right: auto;
text-align: right;
}
/* basic style chat message text */
.chat-message-text {
margin: 10px;
border-radius: 10px;
padding: 10px;
position: relative;
display: inline-block;
max-width: 80%;
text-align: left;
}
/* color chat bubble by khoj blue */
.chat-message-text.khoj {
color: #f8fafc;
background: #017eff;
margin-left: auto;
}
/* add left protrusion to khoj chat bubble */
.chat-message-text.khoj:after {
content: '';
position: absolute;
bottom: -2px;
left: -7px;
border: 10px solid transparent;
border-top-color: #017eff;
border-bottom: 0;
transform: rotate(-60deg);
}
/* color chat bubble by you dark grey */
.chat-message-text.you {
color: #f8fafc;
background: #475569;
margin-right: auto;
}
/* add right protrusion to you chat bubble */
.chat-message-text.you:after {
content: '';
position: absolute;
top: 91%;
right: -2px;
border: 10px solid transparent;
border-left-color: #475569;
border-right: 0;
margin-top: -10px;
transform: rotate(-60deg)
}
#chat-footer {
padding: 0;
display: grid;
grid-template-columns: minmax(70px, 85%) auto;
grid-column-gap: 10px;
grid-row-gap: 10px;
}
#chat-footer > * {
padding: 15px;
border-radius: 5px;
border: 1px solid #475569;
background: #f9fafc
}
.option:hover {
box-shadow: 0 0 11px #aaa;
}
#chat-input {
font-size: medium;
}
@media only screen and (max-width: 600px) {
body {
grid-template-columns: 1fr;
grid-template-rows: auto minmax(80px, 100%) auto;
}
body > * {
grid-column: 1;
}
#chat-footer {
padding: 0;
margin: 4px;
grid-template-columns: auto;
}
}
@media only screen and (min-width: 600px) {
body {
grid-template-columns: auto min(70vw, 100%) auto;
grid-template-rows: auto minmax(80px, 100%) auto;
}
body > * {
grid-column: 2;
}
}
</style>
</html>

14
src/interface/web/config.html
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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🦅</text></svg>">
<link rel="stylesheet" href="static/assets/config.css">
<title>Khoj - Configure App</title>
</head>
<body>
<form id="config-form">
</form>
<button id="config-regenerate">regenerate</button>
</body>
<script src="static/assets/config.js"></script>
</html>

326
src/interface/web/index.html
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<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0 maximum-scale=1.0">
<title>Khoj</title>
<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 144 144%22><text y=%22.86em%22 font-size=%22144%22>🦅</text></svg>">
<link rel="icon" type="image/png" sizes="144x144" href="/static/assets/icons/favicon-144x144.png">
<link rel="manifest" href="/static/khoj.webmanifest">
</head>
<script type="text/javascript" src="static/assets/org.min.js"></script>
<script type="text/javascript" src="static/assets/markdown-it.min.js"></script>
<script>
function render_image(item) {
return `
<a href="${item.entry}" class="image-link">
<img id=${item.score} src="${item.entry}?${Math.random()}"
title="Effective Score: ${item.score}, Meta: ${item.additional.metadata_score}, Image: ${item.additional.image_score}"
class="image">
</a>`
}
function render_org(query, data, classPrefix="") {
var orgCode = data.map(function (item) {
return `${item.entry}`
}).join("\n")
var orgParser = new Org.Parser();
var orgDocument = orgParser.parse(orgCode);
var orgHTMLDocument = orgDocument.convert(Org.ConverterHTML, { htmlClassPrefix: classPrefix });
return orgHTMLDocument.toString();
}
function render_markdown(query, data) {
var md = window.markdownit();
return md.render(data.map(function (item) {
return `${item.entry}`
}).join("\n"));
}
function render_ledger(query, data) {
return `<div id="results-ledger">` + data.map(function (item) {
return `<p>${item.entry}</p>`
}).join("\n") + `</div>`;
}
function render_json(data, query, type) {
if (type === "markdown") {
return render_markdown(query, data);
} else if (type === "org") {
return render_org(query, data);
} else if (type === "music") {
return render_org(query, data, "music-");
} else if (type === "image") {
return data.map(render_image).join('');
} else if (type === "ledger") {
return render_ledger(query, data);
} else {
return `<pre id="json">${JSON.stringify(data, null, 2)}</pre>`;
}
}
function search(rerank=false) {
// Extract required fields for search from form
query = document.getElementById("query").value.trim();
type = document.getElementById("type").value;
results_count = document.getElementById("results-count").value || 6;
console.log(`Query: ${query}, Type: ${type}`);
// Short circuit on empty query
if (query.length === 0)
return;
// If set query field in url query param on rerank
if (rerank)
setQueryFieldInUrl(query);
// Generate Backend API URL to execute Search
url = type === "image"
? `/api/search?q=${encodeURIComponent(query)}&t=${type}&n=${results_count}`
: `/api/search?q=${encodeURIComponent(query)}&t=${type}&n=${results_count}&r=${rerank}`;
// Execute Search and Render Results
fetch(url)
.then(response => response.json())
.then(data => {
console.log(data);
document.getElementById("results").innerHTML =
`<div id=results-${type}>`
+ render_json(data, query, type)
+ `</div>`;
});
}
function updateIndex() {
type = document.getElementById("type").value;
fetch(`/api/update?t=${type}`)
.then(response => response.json())
.then(data => {
console.log(data);
document.getElementById("results").innerHTML =
render_json(data);
});
}
function incrementalSearch(event) {
type = document.getElementById("type").value;
// Search with reranking on 'Enter'
if (event.key === 'Enter') {
search(rerank=true);
}
// Limit incremental search to text types
else if (type !== "image") {
search(rerank=false);
}
}
function populate_type_dropdown() {
// Populate type dropdown field with enabled search types only
var possible_search_types = ["org", "markdown", "ledger", "music", "image"];
fetch("/api/config/data")
.then(response => response.json())
.then(data => {
document.getElementById("type").innerHTML =
possible_search_types
.filter(type => data["content-type"].hasOwnProperty(type) && data["content-type"][type])
.map(type => `<option value="${type}">${type.slice(0,1).toUpperCase() + type.slice(1)}</option>`)
.join('');
})
.then(() => {
// Set type field to search type passed in URL query parameter, if valid
var type_via_url = new URLSearchParams(window.location.search).get("t");
if (type_via_url && possible_search_types.includes(type_via_url))
document.getElementById("type").value = type_via_url;
});
}
function setTypeFieldInUrl(type) {
var url = new URL(window.location.href);
url.searchParams.set("t", type.value);
window.history.pushState({}, "", url.href);
}
function setCountFieldInUrl(results_count) {
var url = new URL(window.location.href);
url.searchParams.set("n", results_count.value);
window.history.pushState({}, "", url.href);
}
function setQueryFieldInUrl(query) {
var url = new URL(window.location.href);
url.searchParams.set("q", query);
window.history.pushState({}, "", url.href);
}
window.onload = function () {
// Dynamically populate type dropdown based on enabled search types and type passed as URL query parameter
populate_type_dropdown();
// Set results count field with value passed in URL query parameters, if any.
var results_count = new URLSearchParams(window.location.search).get("n");
if (results_count)
document.getElementById("results-count").value = results_count;
// Fill query field with value passed in URL query parameters, if any.
var query_via_url = new URLSearchParams(window.location.search).get("q");
if (query_via_url)
document.getElementById("query").value = query_via_url;
}
</script>
<body>
<h1>Khoj</h1>
<!--Add Text Box To Enter Query, Trigger Incremental Search OnChange -->
<input type="text" id="query" class="option" onkeyup=incrementalSearch(event) autofocus="autofocus" placeholder="What is the meaning of life?">
<div id="options">
<!--Add Dropdown to Select Query Type -->
<select id="type" class="option" onchange="setTypeFieldInUrl(this)"></select>
<!--Add Button To Regenerate -->
<button id="update" class="option" onclick="updateIndex()">Update</button>
<!--Add Results Count Input To Set Results Count -->
<input type="number" id="results-count" min="1" max="100" value="6" placeholder="results count" onchange="setCountFieldInUrl(this)">
</div>
<!-- Section to Render Results -->
<div id="results"></div>
</body>
<style>
@media only screen and (max-width: 600px) {
body {
display: grid;
grid-template-columns: 1fr;
grid-template-rows: 1fr 1fr 1fr minmax(80px, 100%);
}
body > * {
grid-column: 1;
}
}
@media only screen and (min-width: 600px) {
body {
display: grid;
grid-template-columns: 1fr min(70vw, 100%) 1fr;
grid-template-rows: 1fr 1fr 1fr minmax(80px, 100%);
padding-top: 60vw;
}
body > * {
grid-column: 2;
}
}
body {
padding: 0px;
margin: 0px;
background: #f8fafc;
color: #475569;
text-align: center;
font-family: roboto, karma, segoe ui, sans-serif;
font-size: 20px;
font-weight: 300;
line-height: 1.5em;
}
body > * {
padding: 10px;
margin: 10px;
}
h1 {
font-weight: 200;
color: #017eff;
}
#options {
padding: 0;
display: grid;
grid-template-columns: 1fr 1fr minmax(70px, 0.5fr);
}
#options > * {
padding: 15px;
border-radius: 5px;
border: 1px solid #475569;
background: #f9fafc
}
.option:hover {
box-shadow: 0 0 11px #aaa;
}
#options > select {
margin-right: 10px;
}
#options > button {
margin-right: 10px;
}
#query {
font-size: larger;
}
#results {
font-size: medium;
margin: 0px;
line-height: 20px;
}
#results-image {
display: grid;
grid-template-columns: repeat(3, 1fr);
}
.image-link {
place-self: center;
}
.image {
width: 20vw;
border-radius: 10px;
border: 1px solid #475569;
}
#json {
white-space: pre-wrap;
}
#results-ledger {
white-space: pre-line;
text-align: left;
}
#results-markdown {
text-align: left;
}
#results-music,
#results-org {
text-align: left;
white-space: pre-line;
}
#results-music h3,
#results-org h3 {
margin: 20px 0 0 0;
font-size: larger;
}
span.music-task-status,
span.task-status {
color: white;
padding: 3.5px 3.5px 0;
margin-right: 5px;
border-radius: 5px;
background-color: #eab308;
font-size: medium;
}
span.music-task-status.todo,
span.task-status.todo {
background-color: #3b82f6
}
span.music-task-status.done,
span.task-status.done {
background-color: #22c55e;
}
span.music-task-tag,
span.task-tag {
color: white;
padding: 3.5px 3.5px 0;
margin-right: 5px;
border-radius: 5px;
border: 1px solid #475569;
background-color: #ef4444;
font-size: small;
}
</style>
</html>

16
src/interface/web/khoj.webmanifest
View File

@@ -1,16 +0,0 @@
{
"name": "Khoj",
"short_name": "Khoj",
"description": "A natural language search engine for your personal notes, transactions and photos",
"icons": [
{
"src": "/static/assets/icons/favicon-144x144.png",
"sizes": "144x144",
"type": "image/png"
}
],
"theme_color": "#ffffff",
"background_color": "#ffffff",
"display": "standalone",
"start_url": "/"
}