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path: root/datastore/bin/ds2xos
blob: 79565ffacfee3e8e7566aa8c88c2405779c71e9b (plain)
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#!/usr/bin/env python
from __future__ import with_statement, division

import sys, cgitb
cgitb.enable(format="plain")
cgitb.handler = sys.excepthook.handle

from pprint import pprint
from sugar.datastore import datastore as ds
from os.path import exists, join, splitext
from os import makedirs, rename, link, chmod
from commands import mkarg
from errno import EEXIST
from urllib import quote_plus
from jarabe.model.bundleregistry import get_registry
from sugar import env
import cjson
import sugar.mime

def mkdir_p(path):
    try: makedirs(path)
    except OSError, e:
        if e.errno == EEXIST: pass
        else: raise

def get_bundle(md):
    return get_registry().get_bundle(str(md['activity']))

def get_command(md, bundle):
    command = bundle.get_command().split(' ')
    command.extend(['-b', str(md['activity'])])
    command.extend(['-a', str(md['activity_id'])])

    if 'object_id' in md and md['object_id'] != "":
        command.extend(['-o', str(md['object_id'])])
    if 'uri' in md and md['uri'] != "":
        command.extend(['-u', str(md['uri'])])

    # if the command is in $BUNDLE_ROOT/bin, execute the absolute path so there
    # is no need to mangle with the shell's PATH
    if '/' not in command[0]:
        bin_path = join(bundle.get_path(), 'bin')
        absolute_path = join(bin_path, command[0])
        if exists(absolute_path):
            command[0] = absolute_path

    return [mkarg(v)[1:] for v in command]

def get_environ(md, bundle):
    ret = {}
    bin_path = join(bundle.get_path(), 'bin')
    activity_root = env.get_profile_path(str(md['activity']))

    ret['SUGAR_BUNDLE_PATH'] = bundle.get_path()
    ret['SUGAR_BUNDLE_ID'] = str(md['activity'])
    ret['SUGAR_ACTIVITY_ROOT'] = activity_root
    ret['PATH'] = bin_path

    if bundle.get_path().startswith(env.get_user_activities_path()):
        ret['SUGAR_LOCALEDIR'] = join(bundle.get_path(), 'locale')

    return ret

def export(e):
    md = e.metadata.get_dictionary()
    md['object_id'] = e.object_id
    print md['activity_id']

    title = str(md.get('title', ''))
    if 'activity_id' in md and md['activity_id'] != "":
        title = title + "_" + str(md.get('activity_id', '')[0:8])
    title = quote_plus(title)
    print title

    preview = md['preview']
    del md['preview']

    final_dir = title
    dir = final_dir + ".tmp"

    if exists(final_dir):
        print 'already exists'
        return

    xos_dir = join(dir, ".xos")

    mkdir_p(xos_dir)

    with open(join(xos_dir, "metadata.json"), "w") as f:
        f.write(cjson.encode(md))

    with open(join(xos_dir, "preview.png"), "w") as f:
        f.write(preview)

    if e.file_path != "":
        base, ext = splitext(title)
        if ext == '':
            mime_type = md['mime_type']
            ext = sugar.mime.get_primary_extension(mime_type)
            if ext == None: ext = ".bin"
            else: ext = "." + ext
        link(e.file_path, join(dir, base + ext))

    if 'activity' in md and md['activity'] != '' and \
        'activity_id' in md and md['activity_id'] != '':
        bundle = get_bundle(md)
        cmd = get_command(md, bundle)
        env = get_environ(md, bundle)
        resume_path = join(xos_dir, "resume")
        with open(resume_path, "w") as f:
            f.write("#!/bin/bash\n")
            f.write("cd" + mkarg(str(bundle.get_path())) + "\n")
            f.write("env ")
            for k, v in env.iteritems():
                if k == 'PATH':
                    f.write('%s=%s' % (mkarg(k)[1:], mkarg(v)[1:]))
                    f.write(':"$PATH"\\\n    ')
                else:
                    f.write('%s=%s\\\n    ' % (mkarg(k)[1:], mkarg(v)[1:]))
            f.write(" ".join(cmd) + "\n")
            chmod(resume_path, 0755)

    rename(dir, final_dir)

def main():
    results, count = ds.find({})

    for e in results:
        try: export(e)
        except: cgitb.handler()
        print

main()