async def finish(self, values=None):
# create file object with new data from finished upload
try:
file = self.field.get(self.real_context)
except AttributeError:
file = None
if file is None:
file = self.file_storage_manager.file_class()
else:
if getattr(file, '_blob', None):
cleanup = IFileCleanup(self.context, None)
if cleanup is None or cleanup.should_clean(file=file):
bfile = file._blob.open('r')
await bfile.async_del()
else:
file._previous_blob = getattr(file, '_blob', None)
await notify(
FileBeforeUploadFinishedEvent(self.context,
field=self.field,
file=file,
dm=self))
# save previous data on file.
# we do this instead of creating a new file object on every
# save just in case other implementations want to use the file
# object to store different data
file._old_uri = file.uri
file._old_size = file.size
file._old_filename = file.filename
file._old_md5 = file.md5
file._old_content_type = file.guess_content_type()
if values is None:
values = self._data
self.field.set(self.real_context, file)
for key, value in values.items():
setattr(file, key, value)
if self.field.__name__ in getattr(self.context, '__uploads__', {}):
del self.context.__uploads__[self.field.__name__]
self.context._p_register()
try:
self.field.context.data._p_register()
except AttributeError:
self.field.context._p_register()
await notify(
FileUploadFinishedEvent(self.context,
field=self.field,
file=file,
dm=self))
return file
async def finish(self, values=None):
# create file object with new data from finished upload
try:
file = self.field.get(self.real_context)
except AttributeError:
file = None
if file is None:
file = self.file_storage_manager.file_class()
else:
if getattr(file, '_blob', None):
cleanup = IFileCleanup(self.context, None)
if cleanup is None or cleanup.should_clean(file=file):
bfile = file._blob.open('r')
await bfile.async_del()
else:
file._previous_blob = getattr(file, '_blob', None)
await notify(
FileBeforeUploadFinishedEvent(self.context, field=self.field,
file=file, dm=self))
# save previous data on file.
# we do this instead of creating a new file object on every
# save just in case other implementations want to use the file
# object to store different data
file._old_uri = file.uri
file._old_size = file.size
file._old_filename = file.filename
file._old_md5 = file.md5
file._old_content_type = file.guess_content_type()
if values is None:
values = self._data
self.field.set(self.real_context, file)
for key, value in values.items():
setattr(file, key, value)
if self.field.__name__ in getattr(self.context, '__uploads__', {}):
del self.context.__uploads__[self.field.__name__]
self.context._p_register()
try:
self.field.context.data._p_register()
except AttributeError:
self.field.context._p_register()
await notify(
FileUploadFinishedEvent(self.context, field=self.field,
file=file, dm=self))
return file
def should_clean(self, file):
cleanup = IFileCleanup(self.context, None)
return cleanup is None or cleanup.should_clean(file=file,
field=self.field)