1 from os import path as osp

     2 import sys

     3 import os

     4 

     5 def in_egg(path):

     6     head, tail = osp.split(path)

     7     while tail:

     8         if tail.endswith('.egg'):

     9             return True

    10         head, tail = osp.split(head)

    11     return False

    12 

    13 if in_egg(__file__):

    14     from cubicweb.cwconfig import _find_prefix

    15     INSTALL_PREFIX = _find_prefix()

    16     if not osp.exists(osp.join(INSTALL_PREFIX, 'share', 'cubicweb', 'migration')):

    17         print >> sys.stderr, 'copying cubicweb content to the expected location'

    18         from shutil import copytree

    19         import tarfile

    20         import tempfile

    21         from pkg_resources import Requirement, resource_filename

    22         from functools import partial

    23         file_path = partial(resource_filename, Requirement.parse("cubicweb"))

    24         for df in ('share', 'lib'):

    25             # Tar are used to merge with destination directory

    26             tmp_file = tempfile.NamedTemporaryFile(suffix='.tar')

    27             tmp_tar  = tarfile.TarFile(tmp_file.name, mode='w')

    28             tmp_tar.add(file_path(df), arcname=df)

    29             tmp_tar  = tarfile.TarFile(tmp_file.name, mode='r')

    30             tmp_tar.extractall(path=INSTALL_PREFIX)