first draft for a simple hooks based custom attribute storage,
with a BytesFileSystemStorage POC implementation.
Basically:
* a dictionary contains maps from which attribute of which entity types are
mapped to which custom storage
* hooks check for one of these entity type being added/modified/deleted
* read is based on the sql generator callback mecanism (used in vcsfile for
instance)
* all storages have the same basic interface (read, add, update, delete),
and should be pluggable in a transparent way (except at migration time
when one want to change from a storage to another)
* the sample BytesFileSystemStorage:
* may store Bytes attributes content of any entity type as file on the file system
* is based on one FSPATH rql/sql function and another _fsopen only available in sql
* has a dumb file name allocation algorithm
"""
:organization: Logilab
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
from logilab.common.testlib import TestCase, unittest_main
import cubicwebfs
import sre
def spec_parser(filename) :
"""
extract tests from specification
"""
sections = []
buffer = ""
in_section = False
for line in file(filename) :
if line.startswith('Test::'):
in_section = True
buffer = ""
elif in_section :
if line.startswith(" ") or not line.strip() :
buffer += line.lstrip()
else :
sections.append(buffer)
in_section = False
tests = []
for section in sections :
subsections = [t for t in section.strip().split('$ ls') if t]
for subsection in subsections :
path, results = subsection.splitlines()[0], subsection.splitlines()[1:]
path = path.strip()
items = set([i for i in sre.split('[\t\n]', '\n'.join(results)) if i])
tests.append((path, items))
return tests
tests = spec_parser("cubicwebfs-spec.txt")
class monTC(TestCase) :
pass
for index, (path, results) in enumerate(tests) :
def f(self, p=path, r=results) :
res = set(cubicwebfs.ls(p))
self.assertEqual(r, res) #, 'en trop %s\nmanque %s' % (r-results,results-r))
f.__doc__ = "%s %s"%(index,path)
setattr(monTC,'test_%s'%index,f)
if __name__ == '__main__':
unittest_main()