def _vectors_to_choice(vectors):
"it returns the given vectors but prepared to use as choices in a select"
for_vectors = vectors.filter(prefix=UT_SUFFIX, suffix=UT_PREFIX)
rev_vectors = vectors.filter(prefix=Seq(UT_PREFIX).reverse_complement(),
suffix=Seq(UT_SUFFIX).reverse_complement())
for_vector_choices = features_to_choices(for_vectors, blank_line=False)
rev_vector_choices = features_to_choices(rev_vectors, blank_line=False)
vector_choices = (('', ''),
('Forward vectors', for_vector_choices),
('Reverse vectors', rev_vector_choices))
return vector_choices
def get_part1_choice(user):
_bi_parts = Feature.objects.filter(type__name__in=BIPARTITE_ALLOWED_PARTS)
_parts = _bi_parts.filter(prefix=SITE_A, suffix=SITE_C)
_parts = filter_feature_by_user_perms(_parts, user)
parts_forw = _parts.filter(vector__prefix=SITE_B, vector__suffix=SITE_A)
parts_rev = _parts.filter(vector__prefix=Seq(SITE_A).reverse_complement(),
vector__suffix=Seq(SITE_B).reverse_complement())
part_forw_choices = features_to_choices(parts_forw, blank_line=False)
part_rev_choices = features_to_choices(parts_rev, blank_line=False)
part_choices = (('', ''),
('Forward parts', part_forw_choices),
('Reverse parts', part_rev_choices))
return part_choices
def get_multipartite_form(multi_type, user):
'It returns a form for the given multipartite'
form_fields = OrderedDict()
part_defs = PARTS_TO_ASSEMBLE[multi_type]
for parts in part_defs:
features = Feature.objects.filter(type__name=parts[0],
prefix=parts[1],
suffix=parts[2])
features = filter_feature_by_user_perms(features, user)
choices = features_to_choices(features)
name = parts[0]
form_fields[name] = forms.CharField(max_length=100,
widget=Select(choices=choices))
# last we need to add the vector to the form
vector_choices = get_vector_choices(user)
form_fields[VECTOR_TYPE_NAME] = forms.CharField(max_length=100,
widget=Select(choices=vector_choices))
form = type('MultiPartiteForm', (forms.BaseForm,),
{'base_fields': form_fields})
for field_name in form_fields.keys():
setattr(form, 'clean_{0}'.format(field_name),
create_feature_validator(field_name))
return form