def _instantiate_cats(found_cats):
"""
Instantiate imported categories and return a list of instantiated
categories.
Create a list with methods that represent a pipeline with selected
algorithms and predefined settings.
<When the Category object is instantiated it automatically imports and
creates a list of algorithms that belong to it>
Args:
| *found_cats*: a list of found category file names
Vars:
| *cats_inst*: a list of found and instantiated methods
| *categories*: a dictionary of algs where {Algorithm: Category}
Returns:
| *categories*: a list with Method instances
"""
cats_inst = []
for cat_path in found_cats:
cat_name = os.path.basename(cat_path).split('.')[0]
cat = SourceFileLoader(cat_name, cat_path).load_module()
inst = cat.CatBody()
cats_inst.append(inst)
# sort the cats
order = [
'Preprocessing', 'Segmentation', 'Graph Detection',
'Graph Filtering'
]
# in case we have custom cats, add them
for cat in cats_inst:
if cat.name not in order:
order.append(cat.name)
cats_inst.sort(key=lambda x: order.index(x.name))
# create a dict of {Category name: Category instance}
cats = od()
for category in cats_inst:
cats[category.name] = category
return cats
