本文整理汇总了Python中plone.app.blob.interfaces.IBlobbable类的典型用法代码示例。如果您正苦于以下问题：Python IBlobbable类的具体用法？Python IBlobbable怎么用？Python IBlobbable使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了IBlobbable类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: set
def set(self, instance, value, **kwargs):
""" use input value to populate the blob and set the associated
file name and mimetype. the latter can be overridden by an
option "mimetype" keyword argument """
if value in ('DELETE_FILE', 'DELETE_IMAGE'):
super(BlobField, self).unset(instance, **kwargs)
return
# create a new blob instead of modifying the old one to
# achieve copy-on-write semantics
blob = BlobWrapper(self.default_content_type)
if isinstance(value, basestring):
value = StringIO(value) # simple strings cannot be adapted...
setattr(value, 'filename', kwargs.get('filename', None))
if value is not None:
blobbable = IBlobbable(value)
try:
blobbable.feed(blob.getBlob())
except ReuseBlob, exception:
blob.setBlob(exception.args[0]) # reuse the given blob
mimetype = kwargs.get('mimetype', None)
if not mimetype:
mimetype = blobbable.mimetype()
if mimetype and mimetype != 'None':
blob.setContentType(mimetype)
blob.setFilename(kwargs.get('filename', blobbable.filename()))示例2: store
def store(self, data):
blob = Blob()
blobbable = IBlobbable(data)
try:
blobbable.feed(blob)
except ReuseBlob, exception:
blob = exception.args[0] # reuse the given blob示例3: testBlobbableOFSFileWithoutFileName
def testBlobbableOFSFileWithoutFileName(self):
obj = File('foo', 'Foo', getFile('plone.pdf'), 'application/pdf')
blobbable = IBlobbable(obj)
target = Blob()
blobbable.feed(target)
self.assertEqual(target.open('r').read(),
getFile('plone.pdf').read())
self.assertEqual(blobbable.filename(), '')
self.assertEqual(blobbable.mimetype(), 'application/pdf')示例4: testBlobbableOFSImage
def testBlobbableOFSImage(self):
gif = getImage()
obj = Image('foo', 'Foo', StringIO(gif))
obj.filename = 'foo.gif'
blobbable = IBlobbable(obj)
target = Blob()
blobbable.feed(target)
self.assertEqual(target.open('r').read(), gif)
self.assertEqual(blobbable.filename(), 'foo.gif')
self.assertEqual(blobbable.mimetype(), 'image/gif')示例5: testBlobbableBinaryFile
def testBlobbableBinaryFile(self):
_file = os.path.join(os.path.dirname(__file__), 'data', 'image.gif')
with open(_file, 'rb') as f:
obj = Binary(f)
obj.filename = 'image.gif'
blobbable = IBlobbable(obj)
target = Blob()
blobbable.feed(target)
self.assertEqual(target.open('r').read(),
getFile('image.gif').read())
self.assertEquals(blobbable.filename(), 'image.gif')
self.assertEquals(blobbable.mimetype(), 'image/gif')示例6: set
def set(self, instance, value, **kwargs):
""" use input value to populate the blob and set the associated
file name and mimetype """
if value == "DELETE_FILE":
ObjectField.unset(self, instance, **kwargs)
return
# create a new blob instead of modifying the old one to
# achieve copy-on-write semantics.
if isinstance(value, basestring):
# make StringIO from string, because StringIO may be adapted to Blobabble
value = StringIO(value)
if value is not None:
blobbable = IBlobbable(value)
#move blob ctor down to where we know the mimetype
blob = BlobWrapper(blobbable.mimetype())
blobbable.feed(blob.getBlob())
blob.setContentType(blobbable.mimetype())
blob.setFilename(blobbable.filename())
ObjectField.set(self, instance, blob, **kwargs)
self.fixAutoId(instance)示例7: testBlobbableEmptyATFile
def testBlobbableEmptyATFile(self):
obj = ATFile('foo')
blobbable = IBlobbable(obj)
target = Blob()
blobbable.feed(target)示例8: manage_upload
def manage_upload(self, data):
if isinstance(data, basestring):
data = StringIO(data)
blobbable = IBlobbable(data)
blobbable.feed(self.getBlob())