class DataIO(object): def __init__(self, f): if isinstance(f,file): self.f=f elif isinstance(f,str): self.f=StringIO(f) else: raise TypeError def __getitem__(self,i): self.f.seek(i.start,0) return self.f.read(i.stop-i.start) def read(self,size=-1): return self.f.read(size) def readline(self,size=-1): return self.f.readline(size) def readlines(self,size=-1): return self.f.readlines(size) def xreadlines(self,size=-1): return self.f.xreadlines(size) def write(self,s): return self.f.write(s) def writelines(self,l): return self.f.writelines(l) def seek(self,offset,whence=0): return self.f.seek(offset,whence) def tell(self): return self.f.tell() def flush(self): return self.f.flush() def fileno(self): return self.f.fileno() def isatty(self): return self.f.isatty() def next(self): return self.f.next() def truncate(self,size=0): return self.f.truncate(size) def close(self): return self.f.close() @property def closed(self): return self.f.closed @property def encoding(self): return self.f.encoding @property def errors(self): return self.f.errors @property def mode(self): return self.f.mode @property def name(self): try: return self.f.name except AttributeError: return self.f.getvalue() filename = name @property def newlines(self): return self.f.newlines @property def softspace(self): return self.f.softspace
class DataIO(object): def __init__(self, f): if isinstance(f, file): self.f = f elif isinstance(f, str): self.f = StringIO(f) else: raise TypeError def __getitem__(self, i): self.f.seek(i.start, 0) return self.f.read(i.stop - i.start) def read(self, size=-1): return self.f.read(size) def readline(self, size=-1): return self.f.readline(size) def readlines(self, size=-1): return self.f.readlines(size) def xreadlines(self, size=-1): return self.f.xreadlines(size) def write(self, s): return self.f.write(s) def writelines(self, l): return self.f.writelines(l) def seek(self, offset, whence=0): return self.f.seek(offset, whence) def tell(self): return self.f.tell() def flush(self): return self.f.flush() def fileno(self): return self.f.fileno() def isatty(self): return self.f.isatty() def next(self): return self.f.next() def truncate(self, size=0): return self.f.truncate(size) def close(self): return self.f.close() @property def closed(self): return self.f.closed @property def encoding(self): return self.f.encoding @property def errors(self): return self.f.errors @property def mode(self): return self.f.mode @property def name(self): try: return self.f.name except AttributeError: return self.f.getvalue() filename = name @property def newlines(self): return self.f.newlines @property def softspace(self): return self.f.softspace