def pre_save(self, model_instance, add):
if not self.upload_to or (not callable(self.upload_to)
and self.upload_to != self.chunks_upload_to):
# this condition is verified whether "upload_to" has not been set in the
# definition of field, or it has been set to the same location of the
# chunks folder.
# In those cases, we save some (useless) I/O operations
# (i.e. deleting, and re-creating the same file twice), and
# so the default FileField behaviour will be used/returned.
return super(ResumableFileField,
self).pre_save(model_instance, add)
# if here, upload_to has been set to a different location
# from the chunks_upload_to
file = Field.pre_save(self, model_instance, add)
if file and (not file._committed
or self.chunks_upload_to in file.name):
# Commit the file to storage prior to saving the model
fpath = file.name.replace(settings.MEDIA_URL,
self._safe_media_root())
basename = path.basename(fpath)
name = self.generate_filename(model_instance, basename)
new_fpath = file.storage.get_available_name(
path.join(self.storage.location, name),
max_length=self.max_length)
basefolder = path.dirname(new_fpath)
if not file.storage.exists(basefolder):
makedirs(basefolder)
file_move_safe(fpath, new_fpath)
setattr(model_instance, self.name, name)
file._committed = True
file.name = name
return file
def pre_save(self, model_instance, add): file = Field.pre_save(self, model_instance, add) if file and (not file._committed or get_chunks_subdir() in file.name): # Commit the file to storage prior to saving the model # fpath = file.name.replace(settings.MEDIA_URL, self._safe_media_root()) # api hack needed due to the way I setup DRF. if get_chunks_subdir() not in unquote(file.name): fpath = safe_media_root() + get_chunks_subdir() + unquote(file.name) else: fpath = safe_media_root() + unquote(file.name) basename = path.basename(fpath) name = self.generate_filename(model_instance, basename) new_fpath = file.storage.get_available_name(path.join(self.storage.location, name), max_length=self.max_length) basefolder = path.dirname(new_fpath) if not file.storage.exists(basefolder): makedirs(basefolder) file_move_safe(fpath, new_fpath) setattr(model_instance, self.name, name) file._committed = True file.name = name return file
