def openForReading(self, path):
"""
Open file at C{path} for reading.
"""
try:
node = self.filesystem.fetch(self._makePath(path))
if ivfs.IFileSystemContainer.providedBy(node):
raise ftp.IsADirectoryError("Can only open file for reading.")
except ivfs.VFSError, e:
return vfsToFtpError(e)
def removeFile(self, path):
"""
Remove the file at C{path}.
"""
try:
node = self.filesystem.fetch(self._makePath(path))
if not ivfs.IFileSystemLeaf.providedBy(node):
raise ftp.IsADirectoryError(
"removeFile can only remove files.")
node.remove()
except ivfs.VFSError, e:
return vfsToFtpError(e)
def openForWriting(self, path):
"""
Open file at C{path} for writing.
"""
if len(path) == 1:
path = ('.', path[0])
dirname, basename = path[:-1], path[-1]
try:
node = self.filesystem.fetch(self._makePath(dirname))
if (node.exists(basename) and ivfs.IFileSystemContainer.providedBy(
node.child(basename))):
raise ftp.IsADirectoryError("Can only open file for writing.")
node = node.createFile(basename, exclusive=False)
except ivfs.VFSError, e:
return vfsToFtpError(e)
def openForReading(self, path):
'''
Overwrite openForReading of ftp.FTPAnonymousShell,
make it support ftp_REST
'''
p = self._path(path)
if p.isdir():
# Normally, we would only check for EISDIR in open, but win32
# returns EACCES in this case, so we check before
return defer.fail(ftp.IsADirectoryError(path))
try:
f = p.open('rb')
if self.pos != 0:
f.seek(self.pos, 0)
self.pos = 0
except (IOError, OSError), e:
return ftp.errnoToFailure(e.errno, path)
def openForWriting(self, path):
'''
Overwrite openForReading of ftp.FTPShell,
make it support ftp_APPE
'''
p = self._path(path)
if p.isdir():
# Normally, we would only check for EISDIR in open, but win32
# returns EACCES in this case, so we check before
return defer.fail(ftp.IsADirectoryError(path))
try:
if self.append:
fObj = p.open('ab')
self.append = False
else:
fObj = p.open('wb')
except (IOError, OSError), e:
return ftp.errnoToFailure(e.errno, path)
def _got_child(child):
if must_be_directory and not IDirectoryNode.providedBy(child):
raise ftp.IsNotADirectoryError("rmdir called on a file")
if must_be_file and IDirectoryNode.providedBy(child):
raise ftp.IsADirectoryError("rmfile called on a directory")
return parent.delete(childname)