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<!DOCTYPE html>
<html>
<head>
<script src="js/jquery-1.7.2.min.js"></script>
<script src="js/jquery.terminal-0.9.3.min.js"></script>
<script src="js/jquery.mousewheel.min.js"></script>
<link href="css/jquery.terminal-0.9.3.css" rel="stylesheet" />
</head>
<body>
<!-- https://github.com/jcubic/jquery.terminal -->
<div id="term_tutorial" class="terminal" style="height: 350px;"></div>
<script>
var READTHEDOCS_VERSION = '1.0.x';
function resolve_path(path) {
path = path || '';
src = path.split('/');
if(path.length === 0 || path[0] !== '/') {
src = env.path.concat(src);
}
target = [];
for(i = 0; i < src.length; ++i) {
comp = src[i];
if(comp === '..') {
target.pop();
} else if(comp !== '' && comp !== '.') {
target.push(comp);
}
}
return target;
}
function absolute_path(path) {
return '/' + path.join('/');
}
function get_file(path) {
var ent = env.filesystem;
for(var i = 0; i < path.length; ++i) {
if(ent.type !== 'directory') {
return null;
}
ent = ent.entries[path[i]];
if(ent === undefined) {
return null;
}
}
return ent;
}
function move_file(src, target, target_is_dir, is_move, tool_name, error) {
var src_ent = get_file(src);
if(src_ent === null) {
error(tool_name + ": " + absolute_path(src) + ": no such file or directory");
return false;
}
var src_parent = src.slice(0, -1);
var src_parent_ent = get_file(src_parent);
if(src_ent.protected === true || src_parent_ent.protected === true) {
error(tool_name + ": " + absolute_path(src) + ": please don't");
return false;
}
var src_name = src[src.length - 1];
var target_ent = get_file(target);
var target_parent, target_name;
if(target_ent === null || target_ent.type === 'file') {
if(target_is_dir) {
error(tool_name + ": " + absolute_path(target) + ": not a directory");
return false;
}
target_parent = target.slice(0, -1);
target_name = target[target.length - 1];
} else if(target_ent.type === 'directory') {
target_parent = target;
target_name = src[src.length - 1];
}
var target_parent_ent = get_file(target_parent);
if(is_move) {
target_parent_ent.entries[target_name] = src_ent;
if(src_ent.type === 'directory') {
src_ent.parent = target_parent_ent;
}
delete src_parent_ent.entries[src_name];
} else {
target_parent_ent.entries[target_name] = $.extend(true, {}, src_ent);
if(src_ent.type == 'directory') {
target_parent_ent.entries[target_name].parent = target_ent;
}
}
return true;
}
function copy_or_move(is_move, tool_name) {
return function() {
var paths = [];
for(var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
if(arg.length === 0) {
this.error(tool_name + ": empty argument");
return;
}
if(arg[0] !== '-') {
paths.push(arg);
}
}
if(paths.length < 2) {
this.error("cp: needs two arguments");
return;
}
var target_is_dir = paths.length > 2;
var target = resolve_path(paths[paths.length - 1]);
for(var i = 0; i < paths.length - 1; ++i) {
var arg = resolve_path(paths[i]);
move_file(arg, target, target_is_dir, is_move, tool_name,
this.error);
}
};
}
function remove_file(path, recursive, tool_name, error) {
if(path.length === 0) {
error(tool_name + ": can't remove /");
return false;
}
var ent = get_file(path);
if(ent === null) {
error(tool_name + ": " + absolute_path(path) + ": no such file or directory");
return false;
}
if(ent.type === 'directory' && !recursive) {
error(tool_name + ": not removing directories without -r");
return false;
}
var parent = path.slice(0, -1);
var parent_ent = get_file(parent);
if(ent.protected === true || parent_ent.protected === true) {
error(tool_name + ": " + absolute_path(path) + ": please don't");
return false;
}
var name = path[path.length - 1];
delete parent_ent.entries[name];
return true;
}
var env = new Object();
env.path = ['home', 'user'];
env.filesystem = {
type: 'directory',
protected: true,
entries: {
'home': {
type: 'directory',
protected: true,
entries: {
'user': {
type: 'directory',
entries: {
'experiment.py': {
type: 'file',
what: 'experiment'
}
}
}
}
}
}
}
function _uplink_dirs(ent, uplink) {
if(ent.type === 'directory') {
ent.parent = uplink;
for(k in ent.entries) {
_uplink_dirs(ent.entries[k], ent);
}
}
}
_uplink_dirs(env.filesystem, env.filesystem);
function experiment(arg) {
if(arguments.length === 0) {
this.error("python: no script given");
return false;
} else if(arg === '') {
this.error("python: empty argument");
return false;
}
var script = get_file(resolve_path(arg));
if(script === null) {
this.error("python: " + arg + ": no such file or directory");
return false;
} else if(script.type !== 'file' || script.what !== 'experiment') {
this.error("python: error executing script");
return false;
}
this.echo("EXPERIMENT HERE");
return true;
}
reprozip_help = {
'': "usage: reprozip [-h] [--version] [-d DIR] [-v] ...\n\nreprozip is the ReproZip component responsible for tracing and packing the\nexecution of an experiment\n\noptional arguments:\n -h, --help show this help message and exit\n -d DIR, --dir DIR where to store database and configuration file\n (default: ./.reprozip-trace)\n -v, --verbose augments verbosity level\n\ncommands:\n\n trace Runs the program and writes out database and\n configuration file\n pack Packs the experiment according to the current\n configuration\n\nPlease report issues to reprozip-users@vgc.poly.edu",
'-': "usage: reprozip [-h] [--version] [-d DIR] [-v] ...\nreprozip: error: too few arguments",
'trace': "usage: reprozip trace [-h] [--version] [-d DIR] [-a ARG0] [-c] ...\n\npositional arguments:\n cmdline command-line to run under trace\n\noptional arguments:\n -h, --help show this help message and exit\n -d DIR, --dir DIR where to store database and configuration file\n (default: ./.reprozip-trace)\n -c, --continue add to the previous run instead of replacing it",
'trace-': "usage: reprozip [-h] [--version] [-d DIR] [--dont-identify-packages]\n [--dont-find-inputs-outputs] [-v]\n ...\nreprozip: error: missing command-line\n",
'pack': "usage: reprozip pack [-h] [--version] [-d DIR] [target]\n\npositional arguments:\n target Destination file\n\noptional arguments:\n -h, --help show this help message and exit\n -d DIR, --dir DIR where to store database and configuration file\n (default: ./.reprozip-trace)"
};
var commands = {
// Fake/replaced commands
//
help: function() {
this.echo(
"This JavaScript shell only supports a limited set of commands.",
{
finalize: function(div) {
div.append("\nIf you want to install ReproZip on your own machine, type install or <a href=\"https://reprozip.readthedocs.org/en/" + READTHEDOCS_VERSION + "/install.html\" target=\"_blank\">click here</a>!");
}
});
},
install: function() {
this.echo("Opening installation instructions in new window...");
window.open('https://reprozip.readthedocs.org/en/' + READTHEDOCS_VERSION + '/install.html', '_blank');
},
write: function() {
this.echo("Taking you to our Gitter chatroom...");
window.open('https://gitter.im/ViDA-NYU/reprozip', '_blank');
},
mail: function() {
this.echo("Don't hesitate to use our mailing-list: reprozip-users@vgc.poly.edu");
window.open('http://vgc.poly.edu/mailman/listinfo/reprozip-users', '_blank');
},
// Simple commands
//
pwd: function() {
this.echo(absolute_path(env.path));
},
echo: function() {
this.echo($.makeArray(arguments).join(' '));
},
cd: function(wd) {
if(arguments.length === 0) {
env.path = ['home', 'user'];
}
if(arguments.length > 1) {
this.error("cd: too many arguments");
return;
}
var path = resolve_path(wd);
var ent = get_file(path);
if(ent !== null && ent.type === 'directory') {
env.path = path;
} else {
this.error("cd: " + absolute_path(path) + ": not something we can move to");
}
},
ls: function() {
var path = null;
for(var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
if(arg.length === 0) {
this.error("ls: empty argument");
return;
} else if(arg[0] != '-') {
if(path === null) {
path = arg;
} else {
this.error("ls: too many arguments");
return;
}
}
}
var patharg = '.';
if(path !== null) {
patharg = path;
path = resolve_path(path);
} else {
path = env.path;
}
var ent = get_file(path);
if(ent === null) {
this.error("ls: " + patharg + ": no such file or directory");
} else if(ent.type === 'file') {
this.echo(patharg);
} else if(ent.type === 'directory') {
this.echo(Object.keys(ent.entries).join('\t'));
}
},
// File commands
//
cat: function() {
if(arguments.length === 0) {
this.error("cat: need at least one filename");
return;
}
for(var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
if(arg.length === 0) {
this.error("cat: empty argument");
return;
}
var ent = get_file(resolve_path(arguments[i]));
if(ent === null) {
this.error("cat: " + arg + ": no such file or directory");
return;
} else if(ent.type === 'directory') {
this.error("cat: " + arg + ": is a directory");
return;
} else if(ent.type === 'file') {
if(ent.what === 'experiment') {
this.echo("#!/usr/bin/env python\n\nprint(\"Hello, world!\")")
} else if(ent.what === 'trace') {
this.echo("(trace database generated by ReproZip)");
} else if(ent.what === 'config') {
this.echo("(configuration file generated by ReproZip)");
}
}
}
},
cp: copy_or_move(false, "cp"),
mv: copy_or_move(true, "mv"),
rm: function() {
var recursive = false;
for(var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
if(arg.length > 1 && arg[0] === '-') {
for(var j = 1; j < arg.length; ++j) {
if(arg[j] === 'r' || arg[j] === 'R') {
recursive = true;
}
}
}
}
var removed_one = false;
for(var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
if(arg.length === 0) {
this.error("rm: empty argument");
return;
} else if(arg[0] !== '-') {
remove_file(resolve_path(arg), recursive, "rm", this.error);
removed_one = true;
}
}
if(!removed_one) {
this.error("rm: no filename given");
}
},
// ReproZip
//
python: experiment,
reprozip: function() {
var cmd = '';
var dir = '.reprozip-trace';
var args = [];
for(var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
if(arg === '-d' || arg === '--dir') {
dir = arguments[++i];
} else if(arg === '-h' || arg === '--help') {
this.echo(reprozip_help[cmd]);
return;
} else if(arg.length > 1 && arg[0] === '-') {
// Ignore options
} else if(cmd === '' && (['trace', 'pack']).includes(arg)) {
cmd = arg;
} else if(cmd === '') {
this.error(reprozip_help['']);
return;
} else if(cmd !== '') {
args.push(arg);
}
}
if(args.length === 0 && cmd !== 'pack') {
this.error(reprozip_help[cmd + '-']);
return;
}
if(cmd === 'trace') {
if(args[0] !== 'python') {
this.error("Wrong command line");
return;
}
if(!experiment.apply(this, args.slice(1))) {
this.error("Wrong command line");
return;
}
var dir_path = resolve_path(dir);
var dir_parent = dir_path.slice(0, -1);
var dir_parent_ent = get_file(dir_parent);
if(dir_parent_ent.protected === true) {
this.error("Can't write in " + absolute_path(dir_parent));
return;
}
var dir_ent = {type: 'directory', parent: dir_parent_ent, entries: {
'trace.sqlite3': {type: 'file', what: 'trace'},
'config.yml': {type: 'file', what: 'config'}
}};
dir_parent_ent.entries[dir_path[dir_path.length - 1]] = dir_ent;
this.echo("Configuration file written in " + dir + "/config.yml\nEdit that file then run the packer -- use 'reprozip pack -h' for help");
} else if(cmd === 'pack') {
// TODO
}
},
reprounzip: null
};
function interpret(command, terminal) {
if(command === '') {
return;
}
try {
command = $.terminal.split_command(command);
} catch(e) {
this.error(e.toString());
return;
}
var obj = commands[command.name];
if(obj === undefined) {
this.error("Command '" + command.name + "' not found!");
return;
}
obj.apply(this, command.args);
}
function complete(term, string, out) {
var cmd = term.cmd();
var line = cmd.get().substring(0, cmd.position());
// Only complete first word
if(!/[^\s]\s/.test(line)) {
out(['write', 'rm', 'reprozip', 'reprounzip', 'pwd', 'mv', 'mail', 'ls', 'install', 'help', 'echo', 'cp', 'cd', 'cat']);
} else {
out([]);
}
}
$('#term_tutorial').terminal(interpret, {
name: 'tutorial_term',
greetings: "Press enter to submit commands",
height: 350,
prompt: '> ',
completion: complete,
checkArity: false,
clear: false,
exit: false,
processArguments: false
});
</script>
</body>
</html>