REPL

README.md

@@ -23,6 +23,7 @@ From the bottom up:
 - [ ] nginx SSL optimization/cypher suites, own certificates
 - [ ] Let's Encrypt support
 - [ ] Review docs/CLI command documentation
+- [x] (experimental) REPL
 - [x] Python 3 support through `PYTHON_VERSION = 3`
 - [x] static URL mapping to arbitrary paths (hat tip to @carlosefr for `nginx` tuning)
 - [x] remote CLI (requires `ssh -t`)

docs/INSTALL.md

@@ -38,7 +38,7 @@ Before running `piku` for the first time, you need to install the following Pyth
 
 ```bash
 sudo apt-get install git python-virtualenv python-pip
-sudo pip install -U click
+sudo pip install -U click click-repl
 ```
 
 ### Raspbian Wheezy
@@ -46,7 +46,7 @@ sudo pip install -U click
 ```bash
 sudo apt-get install git python2.7
 sudo easy_install -U pip
-sudo pip install -U click virtualenv
+sudo pip install -U click click-repl virtualenv
 ```
 
 These may or may not be installed already (`click` usually isn't). For Raspbian Wheezy this is the preferred approach, since current `apt` packages are fairly outdated.

docs/RASPBERRY_PI_QUICKSTART.md

@@ -49,7 +49,7 @@ As of April 2016, the shipping versions with Raspbian are recent enough to run `
 ```bash
 # as 'pi' user
 sudo apt install -y python-virtualenv python-pip git uwsgi uwsgi-plugin-python incron nginx
-sudo pip install -U click
+sudo pip install -U click click-repl
 sudo reboot
 ```
 

docs/SCRIPTS.md

@@ -7,7 +7,7 @@ sudo apt-get update
 sudo apt-get -y dist-upgrade
 sudo apt-get -y autoremove
 sudo apt-get install -y tmux vim htop fail2ban uwsgi uwsgi-plugin-python uwsgi-plugin-python3 uwsgi-plugin-asyncio-python3 uwsgi-plugin-gevent-python uwsgi-plugin-tornado-python nginx incron libxml2-dev libxslt1-dev python-dev zlib1g-dev build-essential git python-virtualenv python-pip
-sudo pip install -U click pip
+sudo pip install -U click click-repl pip
 sudo adduser --disabled-password --gecos 'PaaS access' --ingroup www-data piku
 
 # move to /tmp and grab our distribution files

piku.py

@@ -2,7 +2,8 @@
 
 "Piku Micro-PaaS"
 
-from click import argument, command, group, option, secho as echo
+from click import argument, command, group, get_current_context, option, secho as echo
+from click_repl import repl
 from collections import defaultdict, deque
 from datetime import datetime
 from fcntl import fcntl, F_SETFL, F_GETFL
@@ -12,6 +13,7 @@ from json import loads
 from multiprocessing import cpu_count
 from os import chmod, unlink, remove, stat, listdir, environ, makedirs, O_NONBLOCK
 from os.path import abspath, basename, dirname, exists, getmtime, join, realpath, splitext
+from prompt_toolkit.history import FileHistory
 from re import sub
 from shutil import copyfile, rmtree
 from socket import socket, AF_INET, SOCK_STREAM
@@ -953,15 +955,15 @@ def git_hook(app):
 @argument('app')
 def receive(app):
     """INTERNAL: Handle git pushes for an app"""
-    
+
     app = sanitize_app_name(app)
     hook_path = join(GIT_ROOT, app, 'hooks', 'post-receive')
-    
+
     if not exists(hook_path):
         makedirs(dirname(hook_path))
         # Initialize the repository with a hook to this script
         call("git init --quiet --bare " + app, cwd=GIT_ROOT, shell=True)
-        with open(hook_path,'w') as h:
+        with open(hook_path, 'w') as h:
             h.write("""#!/usr/bin/env bash
 set -e; set -o pipefail;
 cat | PIKU_ROOT="%s" %s git-hook %s""" % (PIKU_ROOT, realpath(__file__), app))
@@ -969,7 +971,14 @@ cat | PIKU_ROOT="%s" %s git-hook %s""" % (PIKU_ROOT, realpath(__file__), app))
         chmod(hook_path, stat(hook_path).st_mode | S_IXUSR)
     # Handle the actual receive. We'll be called with 'git-hook' after it happens
     call('git-shell -c "%s" ' % (argv[1] + " '%s'" % app), cwd=GIT_ROOT, shell=True)
- 
- 
+
+
+@piku.command()
+def prompt():
+    """Starts an interactive prompt"""
+    repl(get_current_context(),
+         prompt_kwargs={'history': FileHistory(join(dirname(realpath(__file__)), '.piku_history'))},
+         allow_system_commands=False)
+
 if __name__ == '__main__':
-    piku()
+    piku()