def lseek(fd, pos, how):
"""lseek(fd, pos, how) -> newpos
Set the current position of a file descriptor.
"""
rawio = FileDescriptors.get(fd)
return _handle_oserror(rawio.seek, pos, how)
def fdopen(fd, mode='r', bufsize=-1):
"""fdopen(fd [, mode='r' [, bufsize]]) -> file_object
Return an open file object connected to a file descriptor.
"""
rawio = FileDescriptors.get(fd)
if (len(mode) and mode[0] or '') not in 'rwa':
raise ValueError("invalid file mode '%s'" % mode)
if rawio.closed():
raise OSError(errno.EBADF, strerror(errno.EBADF))
try:
fp = FileDescriptors.wrap(rawio, mode, bufsize)
except IOError:
raise OSError(errno.EINVAL, strerror(errno.EINVAL))
return fp
def lseek(fd, pos, how):
"""lseek(fd, pos, how) -> newpos
Set the current position of a file descriptor.
"""
rawio = FileDescriptors.get(fd)
return _handle_oserror(rawio.seek, pos, how)
def close(fd):
"""close(fd)
Close a file descriptor (for low level IO).
"""
rawio = FileDescriptors.get(fd)
_handle_oserror(rawio.close)
def fdopen(fd, mode='r', bufsize=-1):
"""fdopen(fd [, mode='r' [, bufsize]]) -> file_object
Return an open file object connected to a file descriptor.
"""
rawio = FileDescriptors.get(fd)
if (len(mode) and mode[0] or '') not in 'rwa':
raise ValueError("invalid file mode '%s'" % mode)
if rawio.closed():
raise OSError(errno.EBADF, errno.strerror(errno.EBADF))
try:
fp = FileDescriptors.wrap(rawio, mode, bufsize)
except IOError:
raise OSError(errno.EINVAL, errno.strerror(errno.EINVAL))
return fp
def close(fd):
"""close(fd)
Close a file descriptor (for low level IO).
"""
rawio = FileDescriptors.get(fd)
_handle_oserror(rawio.close)
def read(fd, buffersize):
"""read(fd, buffersize) -> string
Read a file descriptor.
"""
from org.python.core.util import StringUtil
rawio = FileDescriptors.get(fd)
buf = _handle_oserror(rawio.read, buffersize)
return asPyString(StringUtil.fromBytes(buf))
def read(fd, buffersize):
"""read(fd, buffersize) -> string
Read a file descriptor.
"""
from org.python.core.util import StringUtil
rawio = FileDescriptors.get(fd)
buf = _handle_oserror(rawio.read, buffersize)
return asPyString(StringUtil.fromBytes(buf))
def write(fd, string):
"""write(fd, string) -> byteswritten
Write a string to a file descriptor.
"""
from java.nio import ByteBuffer
from org.python.core.util import StringUtil
rawio = FileDescriptors.get(fd)
return _handle_oserror(rawio.write,
ByteBuffer.wrap(StringUtil.toBytes(string)))
def ftruncate(fd, length):
"""ftruncate(fd, length)
Truncate a file to a specified length.
"""
rawio = FileDescriptors.get(fd)
try:
rawio.truncate(length)
except Exception, e:
raise IOError(errno.EBADF, strerror(errno.EBADF))
def write(fd, string):
"""write(fd, string) -> byteswritten
Write a string to a file descriptor.
"""
from java.nio import ByteBuffer
from org.python.core.util import StringUtil
rawio = FileDescriptors.get(fd)
return _handle_oserror(rawio.write,
ByteBuffer.wrap(StringUtil.toBytes(string)))
def ftruncate(fd, length):
"""ftruncate(fd, length)
Truncate a file to a specified length.
"""
rawio = FileDescriptors.get(fd)
try:
rawio.truncate(length)
except Exception, e:
raise IOError(errno.EBADF, errno.strerror(errno.EBADF))
def _fsync(fd, metadata):
"""Internal fsync impl"""
rawio = FileDescriptors.get(fd)
rawio.checkClosed()
from java.nio.channels import FileChannel
channel = rawio.getChannel()
if not isinstance(channel, FileChannel):
raise OSError(errno.EINVAL, strerror(errno.EINVAL))
try:
channel.force(metadata)
except java.io.IOException, ioe:
raise OSError(ioe)
def _fsync(fd, metadata):
"""Internal fsync impl"""
rawio = FileDescriptors.get(fd)
rawio.checkClosed()
from java.nio.channels import FileChannel
channel = rawio.getChannel()
if not isinstance(channel, FileChannel):
raise OSError(errno.EINVAL, strerror(errno.EINVAL))
try:
channel.force(metadata)
except java.io.IOException, ioe:
raise OSError(ioe)
