class PackingSystem:
DEFAULT_PACKET_DATA_SIZE = 4096
PACKET_HEADER_SIZE = 4
def __init__(self):
self.__data_size_in_bytes = PackingSystem.DEFAULT_PACKET_DATA_SIZE
self.__packet_size_in_bytes = PackingSystem.DEFAULT_PACKET_DATA_SIZE + PackingSystem.PACKET_HEADER_SIZE
self.__packet_number = 1
self.__header_size_in_bytes = PackingSystem.PACKET_HEADER_SIZE
def pack_data(self):
new_packet = SWPacket(self.__packet_size_in_bytes,
self.__data_size_in_bytes,
self.__header_size_in_bytes,
packet_type=PacketType.DATA)
new_packet.set_packet_number(self.__packet_number)
self.__packet_number += 1
new_packet.store_data(self.__file_reader.read())
return new_packet
def open_file(self, source_file):
self.__file_reader = FileReader(source_file, self.__data_size_in_bytes)
self.__file_reader.open()
def close_file(self):
self.__file_reader.close()
def get_file_size(self):
return self.__file_reader.get_file_size_in_bytes()
def get_current_packet_number(self):
return self.__packet_number
def get_data_size_in_bytes(self):
return self.__data_size_in_bytes
def get_end_file_packet(self):
end_packet = SWPacket(self.__packet_size_in_bytes,
self.__data_size_in_bytes,
self.__header_size_in_bytes,
packet_type=PacketType.DATA)
end_packet.make_end_packet()
end_packet.set_packet_number(self.__packet_number)
return end_packet
def reset(self):
self.__packet_number = 1
def set_data_size(self, new_size):
self.__data_size_in_bytes = new_size
self.__packet_size_in_bytes = new_size + PackingSystem.PACKET_HEADER_SIZE
class SpecReader_2():
def __init__(self, path = None):
self._reader = FileReader(path)
def setPath(self, path):
self._reader.setPath(path)
def close(self):
self._reader.close()
def open(self):
'''Státuszjelzés:
False, ha bármely okból nem sikerült a művelet
True, ha sikerült
'''
return self._reader.open()
def readLine(self):
'''Státuszjelzés:
-1, ha bármely okból nem sikerült a művelet
+1, ha sikerült adatot olvasni
0, ha már nincs több adat
'''
while True:
ret_dic = self._reader.readLine()
if ret_dic['status'] <= 0:
return ret_dic
data = ret_dic['data'].rstrip()
if len(data) == 0: continue
if data.lstrip()[0] == '#': continue
return ret_dic
from file_reader import FileReader
from os.path import exists
strings = ['Hello', 'goodbye', 'you_suck']
fr1 = FileReader(strings, 'test_file1.txt')
fr2 = FileReader([''], 'test_file2.txt')
def check_file_exists():
return fr1.exists() and fr2.exists()
def print_information():
print fr1.contents
print fr1.cfile
print fr2.cfile
'''
Check the files existstance
'''
if check_file_exists():
fr1.open()
fr1.read()
fr2.open()
print_information()
fr2.write(fr1.contents)
else:
print 'One of the files were not found'
