def test_format_exception_context1():
""" Utils.format_exception_context with valid arguments. """
try:
raise ValueError("ioshivfq")
except ValueError:
message = Utils.format_exception_context(*sys.exc_info())
assert re.search("Exception <type 'exceptions.ValueError'> occured " +
"\(in context.*: ioshivfq", message)
def test_format_exception_context1():
""" Utils.format_exception_context with valid arguments. """
try:
raise ValueError("ioshivfq")
except ValueError:
message = Utils.format_exception_context(*sys.exc_info())
assert re.search("Exception <type 'exceptions.ValueError'> occured " +
"\(in context.*: ioshivfq", message)
def next(self):
"""Return next object constructed from a suitable XML element
Reads the 'next' element and returns an object constructed out of it,
if at all possible. The object construction is dispatched to
subclasses (via next_object). If the object construction fails,
next_object should return None.
This method would consume subsequent XML elements/subtrees until a
suitable object can be constructed or we run out of XML elements. In
the latter case StopIteration is thrown (as per iterator protocol).
IVR 2007-12-25 TBD: releasing the memory occupied by subtrees is quite
helpful, but very ugly in this code. This should be implemented more
elegantly.
"""
import sys
while 1:
try:
# Fetch the next XML subtree...
element = self._xmliter.next()
# ... and dispatch to subclass to create an object
obj = self.next_object(element)
# free the memory in the ElementTree framework.
element.clear()
# IVR 2007-12-28 TBD: Do we want some generic 'no object
# created' error message here? The problem with such a message
# is that it is difficult to ignore a separate generic error
# line in the logs. Typically, when obj is None,
# next_element() would have made (or at least, it should have)
# some sort of error message which explains far better what
# went wrong, thus making a generic message here somewhat
# moot.
if obj is not None:
return obj
except StopIteration:
raise
except:
# If *any* sort of exception occurs, log this, and continue
# with the parsing. We cannot afford one defective entry to
# break down the entire data import run.
if self.logger:
self.logger.warn(
"%s occurred while processing XML element %s. "
"Skipping it.",
Utils.format_exception_context(*sys.exc_info()),
element.tag)
element.clear()
def next(self):
"""Return next object constructed from a suitable XML element
Reads the 'next' element and returns an object constructed out of it,
if at all possible. The object construction is dispatched to
subclasses (via next_object). If the object construction fails,
next_object should return None.
This method would consume subsequent XML elements/subtrees until a
suitable object can be constructed or we run out of XML elements. In
the latter case StopIteration is thrown (as per iterator protocol).
IVR 2007-12-25 TBD: releasing the memory occupied by subtrees is quite
helpful, but very ugly in this code. This should be implemented more
elegantly.
"""
import sys
while 1:
try:
# Fetch the next XML subtree...
element = self._xmliter.next()
# ... and dispatch to subclass to create an object
obj = self.next_object(element)
# free the memory in the ElementTree framework.
element.clear()
# IVR 2007-12-28 TBD: Do we want some generic 'no object
# created' error message here? The problem with such a message
# is that it is difficult to ignore a separate generic error
# line in the logs. Typically, when obj is None,
# next_element() would have made (or at least, it should have)
# some sort of error message which explains far better what
# went wrong, thus making a generic message here somewhat
# moot.
if obj is not None:
return obj
except StopIteration:
raise
except:
# If *any* sort of exception occurs, log this, and continue
# with the parsing. We cannot afford one defective entry to
# break down the entire data import run.
if self.logger:
self.logger.warn(
"%s occurred while processing XML element %s. "
"Skipping it.",
Utils.format_exception_context(*sys.exc_info()),
element.tag)
element.clear()
def test_format_exception_context_no_exc():
""" Utils.format_exception_context with empty arguments. """
retval = Utils.format_exception_context(None, None, None)
assert retval == ''
def test_format_exception_context_no_exc():
""" Utils.format_exception_context with empty arguments. """
retval = Utils.format_exception_context(None, None, None)
assert retval == ''
