346     def __init__(self, name, mode, comptype, fileobj, bufsize):  argument
350         if fileobj is None:
351             fileobj = _LowLevelFile(name, mode)
357             fileobj = _StreamProxy(fileobj)
358             comptype = fileobj.getcomptype()
363         self.fileobj  = fileobj
412                 self.fileobj.close()
450             self.fileobj.write(self.buf[:self.bufsize])
466                 self.fileobj.write(self.buf)
469                     self.fileobj.write(struct.pack("<L", self.crc))
470                     self.fileobj.write(struct.pack("<L", self.pos & 0xffffFFFF))
473                 self.fileobj.close()
569             buf = self.fileobj.read(self.bufsize)
584     def __init__(self, fileobj):  argument
585         self.fileobj = fileobj
586         self.buf = self.fileobj.read(BLOCKSIZE)
589         self.read = self.fileobj.read
603         self.fileobj.close()
615     def __init__(self, fileobj, offset, size, blockinfo=None):  argument
616         self.fileobj = fileobj
620         self.name = getattr(fileobj, "name", None)
650         return self.fileobj.seekable()
693                 self.fileobj.seek(offset + (self.position - start))
694                 b = self.fileobj.read(length)
716         fileobj = _FileInFile(tarfile.fileobj, tarinfo.offset_data,
718         super().__init__(fileobj)
1089         buf = tarfile.fileobj.read(BLOCKSIZE)
1091         obj.offset = tarfile.fileobj.tell() - BLOCKSIZE
1122         self.offset_data = tarfile.fileobj.tell()
1139         buf = tarfile.fileobj.read(self._block(self.size))
1166             buf = tarfile.fileobj.read(BLOCKSIZE)
1180         self.offset_data = tarfile.fileobj.tell()
1190         buf = tarfile.fileobj.read(self._block(self.size))
1309         buf = tarfile.fileobj.read(BLOCKSIZE)
1314                 buf += tarfile.fileobj.read(BLOCKSIZE)
1317         next.offset_data = tarfile.fileobj.tell()
1408     def __init__(self, name=None, mode="r", fileobj=None, format=None,  argument
1426         if not fileobj:
1431             fileobj = bltn_open(name, self._mode)
1434             if (name is None and hasattr(fileobj, "name") and
1435                 isinstance(fileobj.name, (str, bytes))):
1436                 name = fileobj.name
1437             if hasattr(fileobj, "mode"):
1438                 self._mode = fileobj.mode
1441         self.fileobj = fileobj
1471         self.offset = self.fileobj.tell()
1485                     self.fileobj.seek(self.offset)
1490                         self.fileobj.seek(self.offset)
1500                     self.fileobj.write(buf)
1504                 self.fileobj.close()
1520     def open(cls, name=None, mode="r", fileobj=None, bufsize=RECORDSIZE, **kwargs):  argument
1556         if not name and not fileobj:
1565                 if fileobj is not None:
1566                     saved_pos = fileobj.tell()
1568                     return func(name, "r", fileobj, **kwargs)
1570                     if fileobj is not None:
1571                         fileobj.seek(saved_pos)
1586             return func(name, filemode, fileobj, **kwargs)
1596             stream = _Stream(name, filemode, comptype, fileobj, bufsize)
1606             return cls.taropen(name, mode, fileobj, **kwargs)
1611     def taropen(cls, name, mode="r", fileobj=None, **kwargs):  argument
1616         return cls(name, mode, fileobj, **kwargs)
1619     def gzopen(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs):  argument
1633             fileobj = gzip.GzipFile(name, mode + "b", compresslevel, fileobj)
1635             if fileobj is not None and mode == 'r':
1640             t = cls.taropen(name, mode, fileobj, **kwargs)
1642             fileobj.close()
1647             fileobj.close()
1653     def bz2open(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs):  argument
1665         fileobj = bz2.BZ2File(fileobj or name, mode,
1669             t = cls.taropen(name, mode, fileobj, **kwargs)
1671             fileobj.close()
1676             fileobj.close()
1682     def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):  argument
1694         fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)
1697             t = cls.taropen(name, mode, fileobj, **kwargs)
1699             fileobj.close()
1704             fileobj.close()
1730                 self.fileobj.write(NUL * (BLOCKSIZE * 2))
1736                     self.fileobj.write(NUL * (RECORDSIZE - remainder))
1739                 self.fileobj.close()
1768     def gettarinfo(self, name=None, arcname=None, fileobj=None):  argument
1781         if fileobj is not None:
1782             name = fileobj.name
1800         if fileobj is None:
1806             statres = os.fstat(fileobj.fileno())
1961     def addfile(self, tarinfo, fileobj=None):  argument
1972         self.fileobj.write(buf)
1976         if fileobj is not None:
1977             copyfileobj(fileobj, self.fileobj, tarinfo.size, bufsize=bufsize)
1980                 self.fileobj.write(NUL * (BLOCKSIZE - remainder))
2082             if isinstance(self.fileobj, _Stream):
2157         source = self.fileobj
2285         if self.offset != self.fileobj.tell():
2286             self.fileobj.seek(self.offset - 1)
2287             if not self.fileobj.read(1):
2436                 self.fileobj.close()