我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用tarfile.ExtractError()。
def extract(self, password=None): self.verify(password) try: with tarfile.open(self.filename, errorlevel=2) as t: t.extractall(self.dest) self.files = t.getnames() return self.files except tarfile.ExtractError, e: self.log_warning(e) except tarfile.CompressionError, e: raise CRCError(e) except (OSError, tarfile.TarError), e: raise ArchiveError(e)
def untar(destination, source): """ Untar source file into destination folder. tar.tarfile.extractall will create all necessary (sub)directories. Note: When untaring into the existing folder to overwrite files, tarfile.extractall function will throw a FileExistsError if it can not overwrite broken symlinks of the tar'ed file. Nuke it from orbit, it's the only way to be sure. :param 'destination': [str] path to where to extract target into. :param 'source': [str] path to a .tar file to untar. :return: [str] path to untared content. Raise RuntimeError on problems. """ try: destination = destination + '/untar' remove_target(destination) # succeeds even if missing with tarfile.open(source) as tar_obj: tar_obj.extractall(path=destination) return destination except (AssertionError, tarfile.ReadError, tarfile.ExtractError) as err: raise RuntimeError('Error occured while untaring "%s": %s' % (source, str(err)))
def unpack_tarfile(filename, extract_dir, progress_filter=default_filter): """Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` Raises ``UnrecognizedFormat`` if `filename` is not a tarfile (as determined by ``tarfile.open()``). See ``unpack_archive()`` for an explanation of the `progress_filter` argument. """ try: tarobj = tarfile.open(filename) except tarfile.TarError: raise UnrecognizedFormat( "%s is not a compressed or uncompressed tar file" % (filename,) ) try: tarobj.chown = lambda *args: None # don't do any chowning! for member in tarobj: name = member.name # don't extract absolute paths or ones with .. in them if not name.startswith('/') and '..' not in name.split('/'): prelim_dst = os.path.join(extract_dir, *name.split('/')) # resolve any links and to extract the link targets as normal files while member is not None and (member.islnk() or member.issym()): linkpath = member.linkname if member.issym(): linkpath = posixpath.join(posixpath.dirname(member.name), linkpath) linkpath = posixpath.normpath(linkpath) member = tarobj._getmember(linkpath) if member is not None and (member.isfile() or member.isdir()): final_dst = progress_filter(name, prelim_dst) if final_dst: if final_dst.endswith(os.sep): final_dst = final_dst[:-1] try: tarobj._extract_member(member, final_dst) # XXX Ugh except tarfile.ExtractError: pass # chown/chmod/mkfifo/mknode/makedev failed return True finally: tarobj.close()
def _extractall(self, path=".", members=None): """Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). """ import copy import operator from tarfile import ExtractError directories = [] if members is None: members = self for tarinfo in members: if tarinfo.isdir(): # Extract directories with a safe mode. directories.append(tarinfo) tarinfo = copy.copy(tarinfo) tarinfo.mode = 448 # decimal for oct 0700 self.extract(tarinfo, path) # Reverse sort directories. directories.sort(key=operator.attrgetter('name'), reverse=True) # Set correct owner, mtime and filemode on directories. for tarinfo in directories: dirpath = os.path.join(path, tarinfo.name) try: self.chown(tarinfo, dirpath) self.utime(tarinfo, dirpath) self.chmod(tarinfo, dirpath) except ExtractError as e: if self.errorlevel > 1: raise else: self._dbg(1, "tarfile: %s" % e)
def unpack_tarfile(filename, extract_dir, progress_filter=default_filter): """Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` Raises ``UnrecognizedFormat`` if `filename` is not a tarfile (as determined by ``tarfile.open()``). See ``unpack_archive()`` for an explanation of the `progress_filter` argument. """ try: tarobj = tarfile.open(filename) except tarfile.TarError: raise UnrecognizedFormat( "%s is not a compressed or uncompressed tar file" % (filename,) ) with contextlib.closing(tarobj): # don't do any chowning! tarobj.chown = lambda *args: None for member in tarobj: name = member.name # don't extract absolute paths or ones with .. in them if not name.startswith('/') and '..' not in name.split('/'): prelim_dst = os.path.join(extract_dir, *name.split('/')) # resolve any links and to extract the link targets as normal # files while member is not None and (member.islnk() or member.issym()): linkpath = member.linkname if member.issym(): base = posixpath.dirname(member.name) linkpath = posixpath.join(base, linkpath) linkpath = posixpath.normpath(linkpath) member = tarobj._getmember(linkpath) if member is not None and (member.isfile() or member.isdir()): final_dst = progress_filter(name, prelim_dst) if final_dst: if final_dst.endswith(os.sep): final_dst = final_dst[:-1] try: # XXX Ugh tarobj._extract_member(member, final_dst) except tarfile.ExtractError: # chown/chmod/mkfifo/mknode/makedev failed pass return True
def _extractall(self, path=".", members=None): """Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). """ import copy import operator from tarfile import ExtractError directories = [] if members is None: members = self for tarinfo in members: if tarinfo.isdir(): # Extract directories with a safe mode. directories.append(tarinfo) tarinfo = copy.copy(tarinfo) tarinfo.mode = 448 # decimal for oct 0700 self.extract(tarinfo, path) # Reverse sort directories. if sys.version_info < (2, 4): def sorter(dir1, dir2): return cmp(dir1.name, dir2.name) directories.sort(sorter) directories.reverse() else: directories.sort(key=operator.attrgetter('name'), reverse=True) # Set correct owner, mtime and filemode on directories. for tarinfo in directories: dirpath = os.path.join(path, tarinfo.name) try: self.chown(tarinfo, dirpath) self.utime(tarinfo, dirpath) self.chmod(tarinfo, dirpath) except ExtractError: e = sys.exc_info()[1] if self.errorlevel > 1: raise else: self._dbg(1, "tarfile: %s" % e)
def _extractall(self, path=".", members=None): """Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). """ import copy import operator from tarfile import ExtractError directories = [] if members is None: members = self for tarinfo in members: if tarinfo.isdir(): # Extract directories with a safe mode. directories.append(tarinfo) tarinfo = copy.copy(tarinfo) tarinfo.mode = 448 # decimal for oct 0700 self.extract(tarinfo, path) # Reverse sort directories. if sys.version_info < (2, 4): def sorter(dir1, dir2): return cmp(dir1.name, dir2.name) directories.sort(sorter) directories.reverse() else: directories.sort(key=operator.attrgetter('name'), reverse=True) # Set correct owner, mtime and filemode on directories. for tarinfo in directories: dirpath = os.path.join(path, tarinfo.name) try: self.chown(tarinfo, dirpath) self.utime(tarinfo, dirpath) self.chmod(tarinfo, dirpath) except ExtractError: e = sys.exc_info()[1] if self.errorlevel > 1: raise else: self._dbg(1, "tarfile: %s" % e) # # # # Definitions of custom commands # # #
