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16.8. Handling Errors

Where errors are encountered, the Software Development Kit uses exceptions to highlight them. The Software Development Kit defines exception types in addition to those defined by the Python interpreter itself. These exceptions are located in the ovirtsdk.infrastructure.errors module:
ConnectionError
Raised when a transport layer error has occurred.
DisconnectedError
Raised when attempting to use SDK after it was explicitly disconnected.
ImmutableError
Raised when initiating SDK while an SDK instance already exists under the same domain. Applicable to SDK versions before 3.2.
NoCertificatesError
Raised when no CA certificate is provided and insecure is False.
UnsecuredConnectionAttemptError
Raised when HTTP protocol is used while the server is running HTTPS.
MissingParametersError
Raised when using the get() method without providing id or name.
These exceptions can be caught and handled like any other Python exception:

Example 16.11. ConnectionError Exception

from ovirtsdk.api import API
from ovirtsdk.xml import params
from ovirtsdk.infrastructure import errors
try:
     api=API(url="https://INVALID_HOSTNAME",                      username="USER", 
     password="PASS", 
     ca_file="ca.crt")
     except errors.ConnectionError, err:
     print "Connection failed: %s" % err
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