def test_create_update(self):
# create plain NyBlobFile
bf = NyBlobFile()
self.assertEqual(bf.content_type, 'application/octet-stream')
self.assertEqual(bf.filename, None)
self.assertEqual(bf.open().read(), '')
# create NyBlobFile with properties and content
bf2 = NyBlobFile(filename='my_file.txt', content_type='text/plain')
f = bf2.open_write()
f.write('hello world')
f.close()
self.assertEqual(bf2.content_type, 'text/plain')
self.assertEqual(bf2.filename, 'my_file.txt')
self.assertEqual(bf2.open().read(), 'hello world')
# change properties and content
f = bf2.open_write()
f.write('other content')
f.close()
bf2.filename = 'other_file.txt'
bf2.content_type = 'text/html'
self.assertEqual(bf2.content_type, 'text/html')
self.assertEqual(bf2.filename, 'other_file.txt')
self.assertEqual(bf2.open().read(), 'other content')
def __setstate__(self, state):
""" Updates """
NyFSFile.inheritedAttribute("__setstate__")(self, state)
if not hasattr(self, '_bfile'):
etitle = getattr(self, 'title', 'File system data')
eid = getattr(self, '__name__', 'data.fs')
self._bfile = NyBlobFile(id=eid, title=etitle, size=0)
def image2blob(image, filename, content_type):
blobfile = NyBlobFile(filename=filename, content_type=content_type)
bf_stream = blobfile.open_write()
# data = image.data
# bf_stream.write(data)
bf_stream.write(image)
bf_stream.close()
blobfile.size = len(image)
return blobfile
def __init__(self, id, title, file, content_type='', precondition=''):
try:
id = id()
except TypeError:
pass
self.__name__ = id
self.title = title
self.data = ''
self.size = 0
self.content_type = content_type
self.precondition = precondition
self._bfile = NyBlobFile(id=id, title=title, size=0)
def make_blobfile(self,
filename='bf.txt',
content='hello world',
content_type='text/plain'):
bf = NyBlobFile(filename=filename,
content_type=content_type,
timestamp=datetime.utcnow(),
contributor='tester')
bf.removed = False
bf.size = len(content)
f = bf.open_write()
f.write(content)
f.close()
return bf
def afterSetUp(self):
self.portal.info.contact._theblob = NyBlobFile(filename='a.txt')
f = self.portal.info.contact._theblob.open_write()
f.write('some content')
f.close()
transaction.commit()
def manage_beforeUpdate(self, item=None, container=None):
self_id = getattr(self, '__name__', 'data.fs')
self._bfile = NyBlobFile(id=self_id, title=self.title_or_id())
