def clean(self):
logger.debug("starting to clean MRparam form")
cleaned_data = self.cleaned_data
mol_weight = cleaned_data.get("mol_weight")
if not mol_weight:
sequence = cleaned_data.get("sequence")
if sequence:
mol_weight = utils.calcMW(sequence)
cleaned_data["mol_weight"] = mol_weight
else:
raise forms.ValidationError("Please enter either a " +
"number for the molecular weight or an amino acid " +
"sequence for your input data.")
logger.debug(repr(self._errors))
logger.debug("ending to clean MRparam form")
return cleaned_data
def testCalcMW(self):
testSequence = "SEKIIHLTDDSFDTDVLKADGAILVDFWAEWCGPCKMIAPILDEIADEYQGKL\
TVAKLNIDQNPGTAPKYGIRGIPTLLLFKNGEVAATKVGALSKGQLKEFLDANLA"
self.assertAlmostEqual(utils.calcMW(testSequence), 11671.4421, 4, "Molecular weights are calculated wrongly")
