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tahoe_fuse: rename decorators for clarity.

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This commit is contained in:
nejucomo 2008-01-20 20:26:57 -07:00
parent c621fe1aa6
commit 57da456dc9
1 changed files with 45 additions and 45 deletions
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90
contrib/fuse/tahoe_fuse.py
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@ -88,7 +88,7 @@ def log(msg, *args):
_logfile.flush()
def debugdeco(m):
def trace_calls(m):
def dbmeth(self, *a, **kw):
pid = self.GetContext()['pid']
log('[%d %r]\n%s%r%r', pid, get_cmdline(pid), m.__name__, a, kw)
@ -114,17 +114,17 @@ def get_cmdline(pid):
return args[:-1]
class ErrnoExc (Exception):
class SystemError (Exception):
def __init__(self, eno):
self.eno = eno
Exception.__init__(self, errno.errorcode[eno])
@staticmethod
def wrapped(meth):
def wrap_returns(meth):
def wrapper(*args, **kw):
try:
return meth(*args, **kw)
except ErrnoExc, e:
except SystemError, e:
return -e.eno
wrapper.__name__ = meth.__name__
return wrapper
@ -187,14 +187,14 @@ class TahoeFS (fuse.Fuse):
self.filecontents[path] = contents
return contents
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def getattr(self, path):
node = self._get_node(path)
return node.getattr()
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def getdir(self, path):
"""
return: [(name, typeflag), ... ]
@ -202,43 +202,43 @@ class TahoeFS (fuse.Fuse):
node = self._get_node(path)
return node.getdir()
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def mythread(self):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def chmod(self, path, mode):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def chown(self, path, uid, gid):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def fsync(self, path, isFsyncFile):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def link(self, target, link):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def mkdir(self, path, mode):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def mknod(self, path, mode, dev_ignored):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def open(self, path, mode):
IgnoredFlags = os.O_RDONLY | os.O_NONBLOCK | os.O_SYNC | os.O_LARGEFILE
# Note: IgnoredFlags are all ignored!
@ -249,59 +249,59 @@ class TahoeFS (fuse.Fuse):
continue
elif mode & flag:
log('Flag not supported: %s', fname)
raise ErrnoExc(errno.ENOSYS)
raise SystemError(errno.ENOSYS)
self._get_contents(path)
return 0
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def read(self, path, length, offset):
return self._get_contents(path)[offset:length]
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def release(self, path):
del self.filecontents[path]
return 0
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def readlink(self, path):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def rename(self, oldpath, newpath):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def rmdir(self, path):
return -errno.ENOSYS
#@debugdeco
@ErrnoExc.wrapped
#@trace_calls
@SystemError.wrap_returns
def statfs(self):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def symlink ( self, targetPath, linkPath ):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def truncate(self, path, size):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def unlink(self, path):
return -errno.ENOSYS
@debugdeco
@ErrnoExc.wrapped
@trace_calls
@SystemError.wrap_returns
def utime(self, path, times):
return -errno.ENOSYS