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#
# Manually written part of python bindings for libvirt
#
# On cygwin, the DLL is called cygvirtmod.dll
try:
import libvirtmod
except ImportError, lib_e:
try:
import cygvirtmod as libvirtmod
except ImportError, cyg_e:
if str(cyg_e).count("No module named"):
raise lib_e
import types
# The root of all libvirt errors.
class libvirtError(Exception):
def __init__(self, defmsg, conn=None, dom=None, net=None, pool=None, vol=None):
if dom is not None:
conn = dom._conn
elif net is not None:
conn = net._conn
elif pool is not None:
conn = pool._conn
elif vol is not None:
conn = vol._conn
# Never call virConnGetLastError().
# virGetLastError() is now thread local
err = virGetLastError()
if err is None:
msg = defmsg
else:
msg = err[2]
Exception.__init__(self, msg)
self.err = err
def get_error_code(self):
if self.err is None:
return None
return self.err[0]
def get_error_domain(self):
if self.err is None:
return None
return self.err[1]
def get_error_message(self):
if self.err is None:
return None
return self.err[2]
def get_error_level(self):
if self.err is None:
return None
return self.err[3]
def get_str1(self):
if self.err is None:
return None
return self.err[4]
def get_str2(self):
if self.err is None:
return None
return self.err[5]
def get_str3(self):
if self.err is None:
return None
return self.err[6]
def get_int1(self):
if self.err is None:
return None
return self.err[7]
def get_int2(self):
if self.err is None:
return None
return self.err[8]
#
# register the libvirt global error handler
#
def registerErrorHandler(f, ctx):
"""Register a Python written function to for error reporting.
The function is called back as f(ctx, error), with error
being a list of information about the error being raised.
Returns 1 in case of success."""
return libvirtmod.virRegisterErrorHandler(f,ctx)
def openAuth(uri, auth, flags):
ret = libvirtmod.virConnectOpenAuth(uri, auth, flags)
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
return virConnect(_obj=ret)
#
# Return library version.
#
def getVersion (name = None):
"""If no name parameter is passed (or name is None) then the
version of the libvirt library is returned as an integer.
If a name is passed and it refers to a driver linked to the
libvirt library, then this returns a tuple of (library version,
driver version).
If the name passed refers to a non-existent driver, then you
will get the exception 'no support for hypervisor'.
Versions numbers are integers: 1000000*major + 1000*minor + release."""
if name is None:
ret = libvirtmod.virGetVersion ();
else:
ret = libvirtmod.virGetVersion (name);
if ret is None: raise libvirtError ("virGetVersion() failed")
return ret
#
# Invoke an EventHandle callback
#
def eventInvokeHandleCallback (watch, fd, event, callback, opaque):
"""
Invoke the Event Impl Handle Callback in C
"""
libvirtmod.virEventInvokeHandleCallback(watch, fd, event, callback, opaque);
#
# Invoke an EventTimeout callback
#
def eventInvokeTimeoutCallback (timer, callback, opaque):
"""
Invoke the Event Impl Timeout Callback in C
"""
libvirtmod.virEventInvokeTimeoutCallback(timer, callback, opaque);
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