def createFile(self, fileName, size):
'''check filename existence'''
files = [f for f in self.__LFiles if f.fileName == fileName]
if len(files) > 0:
return False
newFile = File()
newFile.fileName = fileName
newFile.fileSize = size
sizeleft = size
for i in range(self.__block_count):
block = self.__blocks[i]
if block.getState() == Block.States["Free"] or block.getState(
) == Block.States["Transparent"] or block.getState(
) == Block.States["Free_and_Overwritten"]:
newFile.blocks.append(i)
sizeleft = sizeleft - Block.BlockSize
if sizeleft <= 0:
break
if sizeleft > 0:
return False
for i in range(len(newFile.blocks)):
self.__blocks[newFile.blocks[i]].processOperation("write")
self.__LFiles.append(newFile)
return True
def download_file():
if request.method == 'POST':
response = UserModel.get_user_from_session(request.headers.get('SessionId'))
if response['Status'] == 200:
json_query = request.get_json()
return FileModel.download_file_s3(json_query['File'])
return json.dumps(response)
def upload_change_obj():
if request.method == 'POST':
response = UserModel.get_user_from_session(
request.headers.get('SessionId'))
if response['Status'] == 200:
submitted_file = request.files['file']
file_obj = FileModel(submitted_file)
file_valid_response = file_obj.check_file_extension()
if file_valid_response['Status'] == 200:
file_obj.upload_file_landing()
file_path = file_obj.upload_file_s3()
file_obj.delete_file_landing()
if file_path is not None:
response = {
'Status': 201,
'Filepath': file_path,
'Message': 'Successfully uploaded'
}
else:
response = {
'Status': 201,
'FileName': file_obj.file_name,
'Message': 'Could not upload file'
}
return json.dumps(response)
def createFile(self,fileName,size):
'''check filename existence'''
files = [f for f in self.__LFiles if f.fileName==fileName]
if len(files) > 0:
return False;
newFile = File();
newFile.fileName = fileName
newFile.fileSize = size
sizeleft = size;
for i in range(self.__block_count):
block = self.__blocks[i]
if block.getState() == Block.States["Free"] or block.getState() == Block.States["Transparent"] or block.getState() == Block.States["Free_and_Overwritten"]:
newFile.blocks.append(i)
sizeleft = sizeleft - Block.BlockSize;
if sizeleft <= 0:
break
if sizeleft > 0:
return False
for i in range(len(newFile.blocks)):
self.__blocks[newFile.blocks[i]].processOperation("write")
self.__LFiles.append(newFile)
return True;
def upload_files():
if request.method == 'POST':
response = UserModel.get_user_from_session(
request.headers.get('SessionId'))
if response['Status'] == 200:
submitted_files = request.files
dataset_id = generate_unique_identifier()
response = {'Status': 201, 'DataSetId': dataset_id, 'Files': []}
for file in submitted_files.keys():
file_id = generate_unique_identifier()
file_obj = FileModel(submitted_files[file])
file_valid_response = file_obj.check_file_extension()
if file_valid_response['Status'] == 200:
file_obj.upload_file_landing()
file_path = file_obj.upload_dataset_file_s3(
dataset_id, file_id)
if file_path is not None:
file_obj.delete_file_landing()
response['Files'].append({
'FileId':
file_id,
'FileName':
file_obj.file_name,
'Message':
'Successfully uploaded'
})
else:
response['Files'].append({
'FileId':
file_id,
'FileName':
file_obj.file_name,
'Message':
'Could not upload to S3'
})
else:
response['Files'].append({
'Status':
file_valid_response['Status'],
'FileId':
file_id,
'Message':
file_valid_response['Message']
})
return json.dumps(response)
else:
return response
from Model.RbTree import Tree
import random as r
from Model.File import File
f = File()
f.load()
f.remove("c")