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fixed input constraints #121

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fixed input constraints #121

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56 changes: 34 additions & 22 deletions midas/utils/optimizer_tools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -106,23 +106,34 @@ def LP_chromosome(self,genome,LWR_core_parameters):
for gene in genes_list:
chromosome_length.append(len(genome[gene]['map']))

chromosome = []
for i in range(max(chromosome_length)):
gene_options = Gene_Validity_check.contraceptive_check(self.input, genes_list, genome, LWR_core_parameters,
[], chromosome, i)
invalid = True
antihang = 0
while invalid:
antihang +=1
if antihang > 1000:
raise ValueError("Random solution generation failed after 1000 attempts. Check the variables maps and constraints.")
gene = random.choice(gene_options)
if genome[gene]['map'][i]: #check that the selected gene option is viable at this location.
chromosome.append(gene)
invalid = False
else:
gene_options.remove(gene)


chromosome_is_valid = False
attempts = 0
while not chromosome_is_valid:
chromosome = []
for i in range(max(chromosome_length)):
gene_options = Gene_Validity_check.contraceptive_check(self.input, genes_list, genome, LWR_core_parameters,
[], chromosome, i)
if gene_options:
invalid = True
antihang = 0
while invalid:
antihang +=1
if antihang > 1000:
raise ValueError("Random solution generation failed after 1000 attempts. Check the variables maps and constraints.")
gene = random.choice(gene_options)
if genome[gene]['map'][i]: #check that the selected gene option is viable at this location.
chromosome.append(gene)
invalid = False
else:
gene_options.remove(gene)

if len(chromosome) >= max(chromosome_length):
chromosome_is_valid = True
attempts += 1
if attempts > 10000:
raise ValueError("Random chromosome generation has failed after 10,000 attempts. Is the input space over-constrained?")

return chromosome

def EQ_chromosome(self,genome,batches,LWR_core_parameters):
Expand Down Expand Up @@ -152,18 +163,19 @@ def EQ_chromosome(self,genome,batches,LWR_core_parameters):
for i in chromosome_randindex:
batch_options = Gene_Validity_check.contraceptive_check(self.input, batches_list, batches, LWR_core_parameters,
[], zone_chromosome, i)
if not batch_options:
break

valid = False
while not valid:
try:
batch = random.choice(batch_options)
except IndexError:
raise IndexError("Random chromosome generation has no valid solution. Is the input space over-constrained?")
batch = random.choice(batch_options)
if batches[batch]['map'][i]: #check that the selected gene option is viable at this location.
zone_chromosome[i] = batch
valid = True
else:
batch_options.remove(batch)
chromosome_is_valid = Gene_Validity_check.abortive_check(self.input,batches_list, batches, LWR_core_parameters, zone_chromosome)
if None not in zone_chromosome:
chromosome_is_valid = Gene_Validity_check.abortive_check(self.input,batches_list, batches, LWR_core_parameters, zone_chromosome)
attempts += 1
if attempts > 10000:
raise ValueError("Random chromosome generation has failed after 10,000 attempts. Is the input space over-constrained?")
Expand Down