def setValue(self, value):
# Do some minimal checking if possible.
if self.isFixedWidth():
if self.type != 'string':
if len(value) != self.width_in_bytes:
mstr = "Got wrong size for data (got len of %d rather than %d)" % (len(value),
self.width_in_bytes)
raise gdutil.GDException(mstr)
else:
if len(value) >= self.width_in_bytes:
mstr = "Got wrong size for data (got string length of %d for " % len(value)
mstr += "a string buffer of length %d (-1 for NULL)." % self.width_in_bytes
raise gdutil.GDException(mstr)
#
self.value = value
def dumpStr(self):
# If this item is not pack compatible then we have no idea
# how to dump it.
if not self.isPackCompatible():
raise gdutil.GDException("Could not dumpStr because item is not pack compatible.")
val = None
if self.value is None:
if self.initial_value is None:
raise gdutil.GDException("Could not dumpStr because value was not set")
else:
val = self.initial_value
else:
val = self.value
cstr = struct.pack(self.packSpec(), val)
return cstr
def test_gdexception(self):
t = gu.GDException("testexception")
try:
raise t
except Exception, e:
estr = str(e)
assert estr == "testexception", "Did not get expected string representation of exception"
def _isEnoughData(self, data, offset):
if self.isFixedWidth():
width = self.getWidth()
lendata = len(data) - offset
if lendata >= width:
return width
else:
return 0
else:
# Not fixed width. For now, behavior is undefined, but possibly
# we could check each child in turn to see if there is enough data
# for them.
raise gdutil.GDException("Option not implemented")
def dumpStr(self):
if self.child_obj:
val = self.child_obj.dumpStr()
else:
if self.value is None:
if self.initial_value is None:
raise gdutil.GDException("Could not dumpStr because value was not set")
else:
val = self.initial_value
else:
val = self.value
if self.isFixedWidth():
if self.type == 'string':
# Make sure string is NULL-terminated and pad returned string
# out to required length.
val = val + '\00' * (self.width_in_bytes - len(val))
return val
else:
self.computed_width = len(val)
width_str = struct.pack(self.getWidthPackSpec(), self.computed_width)
return width_str + val
def _disconnect(self):
raise gdutil.GDException("Error - _disconnect must be implemented by subclass.")
def _connect(self, numretries):
raise gdutil.GDException("Error - _connect must be implemented by subclass.")
def setValue(self, value):
raise gdutil.GDException("setValue() not supported for PadItem")
def setValue(self, item_name, item_value):
for x in self.items:
if x.name == item_name:
x.setValue(item_value)
return
raise gdutil.GDException("Item with name %s not found." % item_name)
def getValue(self, data, offset):
# @fixme: This method turned out not to be really relevant, consider removing.
raise gdutil.GDException("Option not implemented")