Added automatic casting to all methods

src/structure/chromosome.py

@@ -1,5 +1,14 @@
 from structure import Gene as make_gene
 
+def to_gene(gene):
+    """Converts the input to a gene if it isn't already one."""
+
+    if isinstance(gene, make_gene):
+        return gene
+    else:
+        return make_gene(gene)
+
+
 class Chromosome:
 
     def __init__(self, gene_list):
@@ -14,7 +23,7 @@ class Chromosome:
         """Add a gene to the chromosome at the specified index, defaulted to end of the chromosome"""
         if index is None:
             index = len(self)
-        self.gene_list.insert(index, make_gene(gene))
+        self.gene_list.insert(index, to_gene(gene))
 
 
     def remove_gene(self, index):
@@ -68,9 +77,9 @@ class Chromosome:
         to set the indexed gene.
         """
         if isinstance(index, int):
-            self.gene_list[index] = make_gene(gene)
+            self.gene_list[index] = to_gene(gene)
         else:
-            self.gene_list[index] = (make_gene(item) for item in gene)
+            self.gene_list[index] = (to_gene(item) for item in gene)
 
 
     def __delitem__(self, index):
@@ -97,7 +106,7 @@ class Chromosome:
                 if gene in chromosome
         to check if a gene is in the chromosome.
         """
-        return (make_gene(gene) in self.gene_list)
+        return (to_gene(gene) in self.gene_list)
 
 
     def index_of(self, gene, guess = None):
@@ -113,7 +122,7 @@ class Chromosome:
         """
 
         # Cast to gene object
-        gene = make_gene(gene)
+        gene = to_gene(gene)
 
         # Use built-in method
         if guess is None:

src/structure/population.py

@@ -1,5 +1,14 @@
 from structure import Chromosome as make_chromosome
 
+def to_chromosome(chromosome):
+    """Converts the input to a chromosome if it isn't already one."""
+
+    if isinstance(chromosome, make_chromosome):
+        return chromosome
+    else:
+        return make_chromosome(chromosome)
+
+
 class Population:
 
     def __init__(self, chromosome_list):
@@ -50,9 +59,11 @@ class Population:
         values already will stay sorted.
         """
 
-        if not isinstance(chromosome_list, list):
-            chromosome_list = list(chromosome_list)
-        self.next_population = chromosome_list + self.next_population
+        self.next_population = [
+            to_chromosome(chromosome)
+            for chromosome
+            in chromosome_list
+        ] + self.next_population
 
 
     def sort_by_best_fitness(self, ga):
@@ -66,17 +77,17 @@ class Population:
 
         if index is None:
             index = len(self)
-        self.chromosome_list.insert(index, chromosome)
+        self.chromosome_list.insert(index, to_chromosome(chromosome))
 
 
     def add_parent(self, chromosome):
         """Adds a chromosome to the mating pool"""
-        self.mating_pool.append(chromosome)
+        self.mating_pool.append(to_chromosome(chromosome))
 
 
     def add_child(self, chromosome):
         """Adds a chromosome to the next population"""
-        self.next_population.append(chromosome)
+        self.next_population.append(to_chromosome(chromosome))
 
 
     def set_parent(self, index):
@@ -113,7 +124,7 @@ class Population:
                 population[index] = chromosome
         to set the indexed chromosome.
         """
-        self.chromosome_list[index] = chromosome
+        self.chromosome_list[index] = to_chromosome(chromosome)
 
 
     def __len__(self):
@@ -125,13 +136,13 @@ class Population:
         return len(self.chromosome_list)
 
 
-    def __contains__(self, searched_chromosome):
+    def __contains__(self, chromosome):
         """
         Allows the user to use
                 if chromosome in population
         to check if a chromosome is in the population.
         """
-        return (searched_chromosome in self.chromosome_list)
+        return (to_chromosome(chromosome) in self.chromosome_list)
 
 
     def index_of(self, chromosome, guess = None):
@@ -146,6 +157,8 @@ class Population:
         index quicker.
         """
 
+        chromosome = to_chromosome(chromosome)
+
         # Use built-in method
         if guess is None:
             return self.chromosome_list.index(gene)