76 lines
2.4 KiB
Markdown
76 lines
2.4 KiB
Markdown
# easyconf-lemonbar (eclb)
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A small python script to easily configure lemonbar. Uses a simple yaml file to
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declaratively define your custom bar, and includes useful features such as
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asynchronous refreshing and signal handling. Concept inspired by
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[UtkarshVerma/dwmblocks-async](https://github.com/UtkarshVerma/dwmblocks-async).
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## Installation
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### Prerequisites
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- python3: a fairly recent version
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- lemonbar: your fork of choice
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- poetry: python package manager
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This project uses [poetry](https://github.com/python-poetry/poetry) as the
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package manager. This will take care of the necessary python libraries and
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stuff. It should be available in your distro's package repos. Just make sure it
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is installed and the script will do the rest for you.
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### Instructions
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To install the latest release:
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```sh
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git clone --depth 1 --branch latest https://git.noahsw.xyz/noah/easyconf-lemonbar.git
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cd easyconf-lemonbar
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sudo sh install.sh
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```
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## Configuration and Usage
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### Config File
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After installing, you will need to copy the example config file to your
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XDG_CONFIG_HOME.
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```sh
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cp /usr/local/share/doc/easyconf-lemonbar/example_config.yml ${HOME}/.config/easyconf-lemonbar.yml
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```
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This example file is very heavily commented. Almost all the info you will need
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is contained in the file.
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### Running
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Make sure `/usr/local/bin` is in your path (it should be by default) and run:
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```sh
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easyconf-lemonbar &
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```
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### Signals
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You may update individual modules by sending a real-time signal to the
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easyconf-lemonbar process. First, in the module configuration, specify which
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signal to listen for, e.g.
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```yaml
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# Display a random number, and only update when we recieve the RTMIN+1 signal.
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- name: "random"
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command: "python -c 'from random import randrange; print(randrange(1000))'"
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refresh: 0
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signal: 1
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format:
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align: left
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```
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In the example above, the refresh is `0`. This means that the module *will never
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refresh on its own*; it will wait for the RTMIN+1 signal. You may also configure
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your module to both refresh on a time interval AND listen for a signal.
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Unfortunately, to send the signal, you cant just `pkill easyconf-lemonbar`. You
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have to read the PID from eclb's pidfile. I would recommend creating an alias in
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your shell as shown below.
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```sh
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alias eclb_kill="cat /run/user/${UID}/easyconf-lemonbar.pid | xargs kill"
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eclb_kill -RTMIN+1
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```
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This will refresh the module that is listening for signal `1`. To kill eclb
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completely, just run `eclb_kill` (after setting the above alias).
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