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tcc and tif drift, compensated for string value casing, csv to dict improved process

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Josh Burman
2021-12-22 22:39:46 +00:00
parent 13f0f383e0
commit 107abcb73a
7 changed files with 61 additions and 47 deletions
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38
app/helpers/solver_helper.py
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@ -26,29 +26,29 @@ def build_constraints(solver_run, problem, items):
for item in solver_run.items]) <= round(total_form_items * (max / 100)), f'{attribute.id} - {attribute.value} - max'
elif attribute.type == 'bundle':
# TODO: account for many different bundle types, since the id condition in L33 could yield duplicates
total_bundles = randint(constraint.minimum, constraint.maximum)
selected_bundles = sample(solver_run.bundles, total_bundles)
total_bundle_items = 0
if solver_run.bundles != None:
total_bundles = randint(constraint.minimum, constraint.maximum)
selected_bundles = sample(solver_run.bundles, total_bundles)
total_bundle_items = 0
for bundle in selected_bundles:
for bundle in selected_bundles:
con = dict(zip([item.id for item in solver_run.items],
[(getattr(item, bundle.type, False) == bundle.id)
for item in solver_run.items]))
problem += lpSum([con[item.id]
* items[item.id]
for item in solver_run.items]) == bundle.count, f'Bundle constraint for {bundle.type} ({bundle.id})'
total_bundle_items += bundle.count
# make sure all other items added to the form
# are not a part of any bundle
# currently only supports single bundle constraints, will need refactoring for multiple bundle constraints
con = dict(zip([item.id for item in solver_run.items],
[(getattr(item, bundle.type, False) == bundle.id)
for item in solver_run.items]))
[(getattr(item, attribute.id, None) == None)
for item in solver_run.items]))
problem += lpSum([con[item.id]
* items[item.id]
for item in solver_run.items]) == bundle.count, f'Bundle constraint for {bundle.type} ({bundle.id})'
total_bundle_items += bundle.count
# make sure all other items added to the form
# are not a part of any bundle
# currently only supports single bundle constraints, will need refactoring for multiple bundle constraints
con = dict(zip([item.id for item in solver_run.items],
[(getattr(item, attribute.id, None) == None)
for item in solver_run.items]))
problem += lpSum([con[item.id]
* items[item.id]
for item in solver_run.items]) == solver_run.total_form_items - total_bundle_items, f'Remaining items are not of a bundle type'
for item in solver_run.items]) == solver_run.total_form_items - total_bundle_items, f'Remaining items are not of a bundle type'
return problem
except ValueError as error: