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'