def mount(drive_name): ''' Reconnects a drive as a volume. Any data on the drive is preserved. Returns the volume. ''' drive = Drive.reconnect(drive_name) inputt = drive.read_block(0) data = inputt.splitlines() length = int(data[0]) i = 1 while i < length: inputt = drive.read_block(i) data.extend(inputt.splitlines()) i+=1 i = 1 outcome = False data[len(data)-1] = data[len(data)-1].rstrip() while len(data) > (i+1): while len(data) > (i+1) and data[i+1].isdigit() == outcome: data[i] += data[i+1] data.pop(i+1) i+=1 outcome = not outcome volume = Volume(drive, data[1]) for i in range(len(data[3])): #TODO Needs better fix if data[3][i] == 120: volume.bmap[i] = b'x' volume.import_files() return volume
def mount(drive_name):
'''
Reconnects a drive as a volume.
Any data on the drive is preserved.
Returns the volume.
'''
drive = Drive.reconnect(drive_name)
vol = Volume()
block = drive.read_block(0).split(b'\n')
volinfosize= int(bytes.decode(block[0]))
volinfo =b''
volinfo+=drive.read_block(0)
if volinfosize!=1:
for i in range (1,volinfosize+1):
volinfo+=drive.read_block(i)
vol.setSize(int(bytes.decode(block[2])))
vol.setDrive(drive)
bmpArr =[]
bmp = bytes.decode(volinfo.split(b'\n')[3])
for i,v in enumerate(bmp):
if v == 'x':
bmpArr.append(1)
else:
bmpArr.append(0)
vol.setVolInfo(volinfo)
vol.setBitmapArray(bmpArr)
return vol
def mount(drive_name):
drive = Drive.reconnect(drive_name)
allVolumeData = drive.read_block(0).decode()
numOfBlocksUsed = allVolumeData.split('\n',1)[0]
if int(numOfBlocksUsed)>1:
for i in range(1,int(numOfBlocksUsed)):
allVolumeData+=drive.read_block(i).decode()
data = allVolumeData.split('\n')
numOfBlocksUsed=int(data[0])
name = data[1]
#dont need this
numOfBlocksInDrive = int(data[2])
bitmap = data[3]
rootIndex = int(data[4])
usedDrives=[False]*numOfBlocksInDrive
Volume.calculate_volume_data_blocks(name, drive, rootIndex)
numOfDataBlocks = Volume.calculate_volume_data_blocks(name, drive, rootIndex )
for i in range(numOfDataBlocks):
usedDrives[i]=True
usedDrives[rootIndex]=True
volume = Volume(drive, name.encode(), rootIndex, usedDrives, numOfBlocksUsed)
#read the rootdirectory
rootString = drive.read_block(rootIndex).decode()
root= rootString.split('\n')
for i in range(len(root)):
if root[i].isdigit():
if int(root[i])!=0:
fileData = volume.drive.read_block(int(root[i])).decode().split('\n')
for i in range(0,len(fileData)-1,3):
fileName = fileData[i]
fileDataLength = fileData[i+1]
fileStart = fileData[i + 2]
#then go into the fileStart
fileDirectory = volume.drive.read_block(int(fileStart))
fileDirectory = fileDirectory.decode().split('\n')
dataLocations = []
for j in range(len(fileDirectory)):
if fileDirectory[j].isdigit():
dataLocations.append(fileDirectory[j])
#now that we have all the locations of the data, we can read all the locations and concatinate them
dataOnFile = b''
for k in range(len(dataLocations)):
dataOnFile+=volume.drive.read_block(int(dataLocations[k]))
#only want the first n bits
dataOnFile = dataOnFile[:int(fileDataLength)]
file = volume.open(fileName.encode())
file.write(0, dataOnFile)
print (file.data)
#print (root)
return volume
'''
def test_reconnect_drive(self):
blocks = 10
drive_name = 'driveC.txt'
drive = Drive.format(drive_name, blocks)
drive.disconnect()
with self.assertRaises(IOError):
Drive.reconnect('badname')
drive = Drive.reconnect(drive_name)
self.assertEqual(blocks * Drive.BLK_SIZE, drive.num_bytes())
name = b'reconnect volume'
volume = Volume.format(drive, name)
volume.unmount()
with self.assertRaises(IOError):
Volume.mount('driveZ')
volume = Volume.mount(drive_name)
self.assertEqual(1, volume.volume_data_blocks())
self.assertEqual(name, volume.name())
self.assertEqual(blocks, volume.size())
self.assertEqual(b'x--------x', volume.bitmap())
self.assertEqual(9, volume.root_index())
volume.unmount()
def mount(drive_name):
'''
Reconnects a drive as a volume.
Any data on the drive is preserved.
Returns the volume.
'''
print("mounting volume: " + str(drive_name))
volume = Volume()
volume.drive = Drive.reconnect(drive_name)
# volume.drive_name = drive.name
# int
volume.block_info_occupied_blocks_num = int(volume.drive.read_block(0).split()[0].decode())
# int
volume.BLK_SIZE = volume.drive.BLK_SIZE
# print("mounting: " + str(volume.drive.read_block(0)))
volumeInfoByte = volume.read_block_info()
volumeInfoStr = volumeInfoByte.decode().split('\n')
# volume.volumeName = volumeInfoStr[1].encode()
# volume.numberOfBlocks = int(volumeInfoStr[2])
# volume.bitmapStr = volumeInfoStr[3]
# volume.rootDirIndex = int(volumeInfoStr[4])
# volume.rootFileList = volume.getRootFileList()
# volume.openingFiles = []
print("volumeInfoStr: " + str(volumeInfoStr))
# byte
volume.volume_name = volumeInfoStr[1].encode()
# int
volume.total_num_of_blocks = int(volumeInfoStr[2])
# str
volume.bitmapStr = volumeInfoStr[3]
print("mounting volume with bitmap: " + volume.bitmapStr)
# int int(volumeInfoStr[4]) [s.strip() for s in content_byte.decode().split("\n") if s.strip() != ""]
volume.root_files_block_index = [int(i) for i in volumeInfoStr[4].split() if i.strip() != "" and i.isdigit()]
print("root_files_block_index: " + str(volume.root_files_block_index))
# array
volume.rootFileList = volume.get_root_file_list()
volume.openingFiles = []
return volume
class Volume:
def __init__(self):
self.currentDrive = None
self.rootDirectory = None
self.blocksAvailability = None
def format(self, name):
thisDrive = Drive(name)
thisDrive.format()
thisDrive.write_block(0, "+" + "-" * 127 + ("f:" + " " * 9 + "0000:" + "000 " * 12) * 6)
global availableBlocksList
availableBlocksList = ['+'] + ['-' for x in range(127)]
global availableBlockIndices
availableBlockIndices = list(range(1, 128))
self.currentDrive = thisDrive
self.rootDirectory = Directory(self.currentDrive, None, 0, None, None) #drive, fileNum, parentBlockNum, parent, name
self.blocksAvailability = thisDrive.read_block(0)[:127]
def mkfile(self, path):
try:
nodes = path.strip('/').split('/')
lastNode = self.rootDirectory
for node in nodes[:-1]:
lastNode = lastNode.getChild(node)
except:
print("Um there is some problem with your input")
lastNode.addFile(nodes[-1])
def mkdir(self, path):
try:
nodes = path.strip('/').split('/')
lastNode = self.rootDirectory
for node in nodes[:-1]:
lastNode = lastNode.getChild(node)
except:
print("Um there is some problem with your input")
lastNode.addDirectory(nodes[-1])
def reconnect(self, name):
self.currentDrive = Drive(name)
self.rootDirectory = Directory(self.currentDrive, None, 0, None, name)
self.currentDrive.reconnect()
self.blocksAvailability = self.currentDrive.read_block(0)[:127]
def append(self, path, data):
try:
nodes = path.strip('/').split('/')
lastNode = self.rootDirectory
for node in nodes:
lastNode = lastNode.getChild(node)
except:
print("Um there is some problem with your input")
lastNode.appendData(data)
def ls(self, path):
try:
nodes = path.strip('/').split('/')
lastNode = self.rootDirectory
for node in nodes:
if node != "":
lastNode = lastNode.getChild(node)
lastNode.list()
except:
print("Um there is some problem with your input")
def print(self, path):
try:
nodes = path.strip('/').split('/')
lastNode = self.rootDirectory
for node in nodes:
if node != "":
lastNode = lastNode.getChild(node)
lastNode.print()
except:
print("Um there is some problem with your input")
def delfile(self, path):
try:
nodes = path.strip('/').split('/')
lastNode = self.rootDirectory
for node in nodes:
if node != "":
lastNode = lastNode.getChild(node)
lastNode.delete()
except:
print("Um there is some problem with your input")
def deldir(self, path):
try:
nodes = path.strip('/').split('/')
lastNode = self.rootDirectory
for node in nodes:
if node != "":
lastNode = lastNode.getChild(node)
lastNode.delete()
except:
print("Um there is some problem with your input")
