https://github.com/ywangd/stash

StaSh - Shell for Pythonista
https://github.com/ywangd/stash

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StaSh - Shell for Pythonista

• Host: GitHub
• URL: https://github.com/ywangd/stash
• Owner: ywangd
• License: mit
• Created: 2014-11-21T05:46:43.000Z (about 10 years ago)
• Default Branch: master
• Last Pushed: 2024-10-02T13:06:16.000Z (2 months ago)
• Last Synced: 2024-12-05T07:02:52.206Z (7 days ago)
• Language: Python
• Homepage:
• Size: 1.67 MB
• Stars: 1,936
• Watchers: 107
• Forks: 227
• Open Issues: 107
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGES.md
  • License: LICENSE

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• project-awesome - ywangd/stash - StaSh - Shell for Pythonista (Python)

README

        
# StaSh - Shell Like an Expert in Pythonista

Inspired by

[shellista](http://omz-forums.appspot.com/pythonista/post/5302343285342208) and

its variants, [StaSh](https://github.com/ywangd/stash) is a serious attempt to

implement a Bash-like shell for [Pythonista](http://omz-software.com/pythonista/).

Since its initial release, valuable contributions and advices have been received

constantly from the Pythonista community. 

The two most popular utilities are 

**`pip`** (authored by [@briarfox](https://github.com/briarfox))

 and **`git`** (authored by [@jsbain](https://github.com/jsbain)). 

Remarkable contributions are also made by

[@dgelessus](https://github.com/dgelessus),

[@pudquick](https://github.com/pudquick),

[@oefe](https://github.com/oefe), 

[@cclauss](https://github.com/cclauss),

[@georg.viehoever](https://github.com/GeorgViehoever),

[@BBOOXX](https://github.com/BBOOXX),

[@bennr01](https://github.com/bennr01),

[@glider-gun](https://github.com/glider-gun),

[@steljas](https://github.com/steljas),

[@zrzka](https://github.com/zrzka),

[@seanld](https://github.com/Seanld),

[@zed](https://github.com/zed),

[@sdushantha](https://github.com/sdushantha) and

[@ywang-bom](https://github.com/ywang-bom).

StaSh stands for Pythoni**sta** **Sh**ell. While **Sta** may not be the best

abbreviation for Pythonista, it forms a concise and meaningful word with the

following **Sh** part. So the name StaSh was chosen to indicate it is a confined

environment and great treasures may be found within.

## Installation

**StaSh can be easily installed via one line of python command**

(courtesy of [@whitone](https://forum.omz-software.com/user/whitone)). 

```Python

import requests as r; exec(r.get('https://bit.ly/get-stash').content)

```

Simply copy the above line, paste into Pythonista interactive prompt and

execute. It installs StaSh as a Python module under the `site-packages` 

folder (`~/Documents/site-packages/stash`) and copies **a launching script, 

`~/Documents/launch_stash.py`** for easy access.

*StaSh works with both Pythonista 2 and 3, though not all commands support python3.*

*If you have previous versions of StaSh installed (e.g. v0.4.x), 

You may need to restart Pythonista BEFORE the installation.*

*If you have a GitHub tool available in Pythonista, such as

[gitview](http://omz-forums.appspot.com/pythonista/post/5810965861892096) or

[gitrepo](http://omz-forums.appspot.com/pythonista/post/5795611756462080),

you can choose to directly clone or download the

[repository](https://github.com/ywangd/stash).*

*StaSh requires Pythonista v2.0 or Pythonista3 as the new ObjC feature is heavily used. For

older Pythonista 1.5 compatible version, please refer to the

[v0.4](https://github.com/ywangd/stash/tree/v0.4) branch.*

Starting with `0.7.4`, StaSh supports being run on a PC using the `tkinter` module. This is intended for development purposes and may not offer you the best user experience. To install StaSh on your PC, either use the line above or clone this repository and run `setup.py`.

## Upgrade

Once StaSh is installed, it can be easily updated by running the `selfupdate`

command from within the shell. 

* `selfupdate` defaults to the `master` branch. To update from a different

  branch, e.g. `dev`, use `selfupdate dev`.

* By default, `selfupdate` compares local and remote versions and only performs

  update if newer version is found. You can however force the update without

  version checking via `selfupdate -f`.

* To check for newer version without actually install it, use `selfupdate -n`.

* `selfupdate` manages StaSh installation folder and may delete files in the

  process. It is therefore recommended to **not** place your own scripts under

  `$STASH_ROOT/bin`. Instead, save your own scripts in`~/Documents/bin` or

  customise the locations with the `BIN_PATH` environment variable. 

* You may need to restart Pythonista after the update for changes to take full

  effects.

*selfupdate cannot be used for version 0.4.x and under. A fresh

[installation](#installation) is needed.*

*Version 0.7.0 requires a forced update. Please run `selfupdate -f`.*

## Notable Features

StaSh has a pile of features that are expected from a real shell. These

features are what really set the difference from shellista.

* **Panel UI** program that is completely event driven

    * **No blocking thread**, builtin interactive prompt is accessible at all time

    * Consistent look and feel as a proper PC terminal

    * Almost all scripts can be called from within StaSh, including programs

      using UI and **Scene** packages.

    * **Attributed text (color and style) support**

    * Multiple sessions are possible by opening additional Panel tabs

    * Being a pure UI program, it is possible to launch and forget. The program

      **stays active indefinitely**. Non-UI scripts can only run for 10 minutes

      in background. But StaSh can stay up forever (till memory runs out due to

      other Apps). You can just launch StaSh to run a few commands and leave it.

      It will still be there for you when you return later.

    

* **Comprehensive** command line parsing and handling using

  [pyparsing](http://pyparsing.wikispaces.com)

    * Environmental variables, e.g `echo $HOME`, `NAME=value`

    * Aliases, e.g. `alias l1='ls -1'`

    * Single and double quotes behave like Bash, e.g. `"*"` means literal `*`,

      `"$HOME"` expands while `'$HOME'` does not.

    * Backslash escaping, e.g. `ls My\ Script.py`

    * Glob, e.g. `ls ~/*.py`

    * **Backtick quotes** for subprocess, e.g. ``touch `ls *.py` ``

    * **Pipes** to chain commands, e.g. `find . -name "*.txt" | grep interesting`

    * **IO redirect** (actually just Output redirect), e.g. `ls *.py > py_files.txt`. 

      Input redirect can be achieved by using pipes.

        - It is possible to redirect to the Pythonista builtin console, 

          e.g. `ls > &3`

    * Bang(!) to search command history, e.g. `ls -1`, `!l`. Bang commands like

      `!!` and `!-1` also works.

* Smart **auto-completion** just as expected

    * One UI button, `Tab`, is provided to enable command line auto-completion.

    * It is smart to complete either commands or files based on the

      **cursor** position

    * It also completes environment variables and aliases.

    * It also features a sub-command auto-completion system. For an example,

      type `git sta` and press `Tab`. It will auto-completes to `git status `.

      You can easily add your own sub-commands completion via JSON files.

* **Thread management allows multiple commands running in parallel**

    * One foreground jobs and unlimited number of background jobs can run 

      simultaneously.

    * A foreground job can be stopped by pressing the **CC** button or **Ctrl-C**

      on an external keyboard.

    * A background job is issued by appending an ampersand character (**`&`**)

      at the end of a normal command, e.g. `httpserver &`. It can be terminated

      by the `kill` command using its job ID.

    * A few utilities are provided for thread management. 

        - `jobs` to list current running background jobs.

        - `kill` to kill a running job.

        - `fg` to bring background jobs to foreground

        - `CZ` button (Ctrl-Z) to send a foreground job to background

    

* **Command line history** management. Three UI buttons are provided to navigate

  through the history.

* **On-screen virtual keys** - an extra row of keys on top of the on-screen

  keyboard to provide control functions and easier access to symbols

    * Virtual keys for control functions including:

        * **Tab** - command line auto-completion

        * **CC** (Ctrl-C) - terminate the running job

        * **CD** (Ctrl-D) - end of Input

        * **CU** (Ctrl-U) - kill line

        * **CZ** (Ctrl-Z) - Send current running foreground job to background

        * **KB** - show/hide keyboard

        * **H** - display a popup window to show command history

        * **Up** - recall the previous command in history

        * **Dn** - recall the next command in history

    * Customisable **virtual keys for commonly used symbols**, e.g. `~/.-*|>`.

        * The Symbols can be customized via the `VK_SYMBOLS` option in stash

          config file (default is `.stash_config`).

* **Swipe on the virtual key row to position cursor** (similar to what Pythonista

  builtin editor offers)

* **External keyboard support**

    * Tab key for auto-completion

    * Up (↑) / Down (↓) for navigating through command history

    * Ctrl-A and Ctrl-E to jump to the beginning and end of the input line, 

      respectively

    * Ctrl-U to erase the input line

    * Ctrl-W to erase one word before cursor

    * Ctrl-L to clear the screen

* You can **run (almost) any regular python scripts** from within StaSh

    * There is no need to customize them for the shell. If it can be executed by

      a python interpreter via `python your_script.py`, you can just call it from

      within StaSh by just typing `your_script`

    * The shell object is made available to scripts being called. This enables a

      range of complex interactions between the shell and called scripts.

      For an example, the running script can use the shell object to execute

      more commands, e.g. `_stash('pwd')`.

* You can give it a **resource file**, similar to `.bashrc`, to customize its

  behaviour. Like the Bash resource file, aliases, environment

  variables can be set here. The default resource file is `.stashrc` under

  StaSh installation root (i.e. `~/Documents/site-packages/stash`).

    * The prompt is customizable with the `PROMPT` environment variable.

        * `\w` - current working directory with HOME folder abbreviated as `~`

        * `\W` - last path component of current working directory

        * All other strings are displayed literally

        * The default setting is `PROMPT='[\W]$ '`

* **Easy self update** to keep update with the development by running a single

  `selfupdate` command from within the shell.

* The UI can be configured via **configuration file** to customize its font

  size and color. The default config file is `.stash_config` or `stash.cfg` 

  under StaSh installation root.

## Usage

The usage of StaSh is in principle similar to Bash. A few things to note are:

* The search paths for executable scripts is set via an environment variable

  called `BIN_PATH` as `PATH` is used by the system. The default `BIN_PATH` is

  `~/Documents/bin:~/Documents/stash_extensions/bin:$STASH_ROOT/bin`.

* The executable files are either Python scripts or StaSh scripts. The type of

  script is determined by looking at the file extensions ".py" and ".sh".

  A file without extension is considered as a shell script.

  * When invoking a script, you can omit the extension, StaSh will try find the file

  with one of the extensions. For an example, StaSh interprets the command

  `selfupdate` and find the file `selfupdate.py` to execute.

  * Files without extension won't show up as an auto-completion possibility.

* Commands can only be written in a single line. No line continuation is

  possible. However, multiple commands can be written in a single line by

  separating them with semicolons, e.g. `ls -1 > file_list; cat file_list`.

* There are many Python scripts provided along with StaSh. 

  These scripts range from performing

  regular shell tasks to advanced utilities like `ssh` and `git`. Note the

  scripts are by no means complete when compared to a real Linux shell. The

  collection will be gradually expanded should the need arise. It is

  also expected and appreciated that the community would come up with more

  scripts. The `pip` command may also install new commands.

    * `alias.py` - Define or print aliases

    * `cat.py` - Print contents of file

    * `cd.py` - Change current directory

    * `clear.py` - Clear console

    * `cowsay.py` - configurable speaking cow

    * `cp.py` - Copy file

    * `crypt.py` - File encryption using AES in CBC mode

    * `curl.py` - Transfer from an URL

    * `cut.py` - Cut out selection portions of each line of a file

    * `dropbox_setup.py` - Configure dropbox accounts for other commands

    * `du.py` - Summarize disk usage of the set of FILEs, recursively for directories

    * `easy_config.py` - UI for configuring stash

    * `echo.py` - Output text to console

    * `edit.py` - Open any text type files in Pythonista editor

    * `find.py` - Powerful file searching tool

    * `fg.py` - Bring a background job to foreground

    * `ftpserver.py` - A simple FTP server

    * `gci.py` - Interface to Python's built-in garbage collector

    * `gh.py` - GitHub interface

    * `git.py` - Git client ported from shellista

    * `grep.py` - search contents of file(s)

    * `head.py` - Display first lines of a file

    * `httpserver.py` - A simple HTTP server with upload function (ripped from

      https://gist.github.com/UniIsland/3346170)

    * `jobs.py` - List all jobs that are currently running

    * `kill.py` - Terminate a running job

    * `latte.py` - package manager

    * `ls.py` - List files

    * `mail.py` - Send emails with optional file attachment

    * `man.py` - Show help message (docstring) of a given command

    * `mc.py` - Easily work with multiple filesystems (e.g. local and FTP) 

      synchronously.

    * `md5sum.py` - Print or check MD5 checksums

    * `mkdir.py` - Create directory

    * `monkeylord.py` - Manage monkey patches with the goal to make Pythonista more viable

    * `more.py` - Display output one screen page at a time

    * `mount.py` - Mount filesystems

    * `mv.py` - Move file

    * `openin.py` - Show the **open in** dialog to open a file in external apps.

    * `pbcopy.py` - Copy to iOS clipboard

    * `pbpaste.py` - Paste from iOS clipboard

    * `ping.py` - Ping remote hosts

    * `pip.py` - Search, download, install, update and uninstall pure Python

      packages from PyPI.

    * `printenv.py` - List environment variables

    * `printhex.py` - Print hexadecimal dump of the given file 

    * `pwd.py` - Print current directory

    * `python.py` - Run python scripts or modules

    * `python3.py` - Run python3 scripts or modules

    * `quicklook.py` - iOS quick look for files of known types

    * `rm.py` - delete (remove) file

    * `rmdir.py` - delete (remove) directories

    * `scp.py` - Copy files from/to remote servers. 

    * `selfupdate.py` - Update StaSh from its GitHub repo

    * `sha1sum.py` - Print of check SHA1 checksums

    * `sha256sum.py` - Print of check SHA256 checksums

    * `sort.py` - Sort a list, also see unique

    * `source.py` - Evaluate a script in the current environment

    * `ssh.py` - SSH client to either execute a command or spawn an interactive

      session on remote servers. [pyte](https://github.com/selectel/pyte) is

      used for terminal emulation and gives the command the feel of a

      full-fledged SSH client. 

    * `ssh-keygen.py` - Generate RSA/DSA SSH Keys.

    * `stashconf.py` - Change StaSh configuration on the fly

    * `tail.py` - Print last lines of a FILE.

    * `tar.py` - Manipulate archive files

    * `touch.py` - Update timestamp of the given file or create it if not exist

    * `totd.py` - Print a random tip

    * `umount.py` - Unmount filesystems

    * `uniq.py` - Remove duplicates from list, also see sort

    * `unzip.py` - Unzip file, also see zip

    * `version.py` - Show StaSh installation and version information

    * `wc.py` - Line, word, character counting

    * `webviewer.py` - Open a url in the webbrowser

    * `wget.py` - get data from the net

    * `whatis.py` - Show a description for some of the commands

    * `which.py` - Find the exact path to a command script

    * `wol.py`- Wake on LAN using MAC address for launching a sleeping system

    * `xargs.py` - Command constructing and executing utility

    * `zip.py` - Zip file, also see unzip

## Acknowledgements

* [Pythonista](http://omz-software.com/pythonista/) is a wonderful piece of

  software.

* StaSh is inspired by

  [shellista](http://omz-forums.appspot.com/pythonista/post/5302343285342208)

  and its variants, including

  [ShellistaExt](https://github.com/briarfox/ShellistaExt) and

  [ShellistaUI](https://github.com/transistor1/shellista/tree/dev-modular).

* The UI part of StaSh has its root from ShellistaUI.

* Many of the command scripts, e.g. `ls.py`, `cp.py`, `mv.py`, are taken from

  ShellistaExt with some modifications. 

## Known Issues

* Pickled objects are not restored correctly and generate `AttributeError` as

  if the class definition cannot be found. 

* Some commands may still not fully support python3.

## Contributing

* Check any open issues or open a new issue to start discussions about your

  ideas of features and/or bugs

* Fork the repository, make changes, and send pull requests 

    - Please send pull requests to the **dev** branch instead of master