This is a script to get all browser:resources from a Plone install

dump_all_resources.py

from zope.publisher.interfaces.browser import IDefaultBrowserLayer,\
    IBrowserPublisher
from zope.component.hooks import setSite
import zope.interface
from zope.component._api import getAdapters
import shutil
import os
from Testing import makerequest

portal = app.restrictedTraverse('adria-rcse')
setSite(portal)

portal = makerequest.makerequest(portal)
try:
    from zope.globalrequest import setRequest
    # support plone.subrequest
    portal.REQUEST['PARENTS'] = [portal]
    setRequest(portal.REQUEST)
except ImportError:
    pass


class dummy(object):
    zope.interface.classProvides(IDefaultBrowserLayer)

#    provides = list(irequest) + layer

cond = True
gen = getAdapters((dummy,), zope.interface.Interface)
while cond:
    try:
        name, adapter = gen.next()
    except StopIteration:
        print 'stop iteration'
        cond = False
    except Exception, e:
        print 'error while trying to get the next adapter: %s' % e
        pass
    else:
        if IBrowserPublisher.providedBy(adapter):
            path = adapter.context.path
            if os.path.isdir(path):
                print "resourceDirectory found: %s" % name
                destination = "resources/++resource++%s/" % name
                if os.path.exists(destination):
                    shutil.rmtree(destination)
                shutil.copytree(path, destination)
            else:
                print "resource found: %s" % name
                destination = "resources/++resource++%s" % name
                if os.path.exists(destination):
                    os.remove(destination)
                shutil.copy(path, destination)
        else:
            pass