Exemplo n.º 1
0
def generateCoalescentTrees(choice, num, fout, length):
    if choice == 1:
        sp_tree_str = """\
        [&R]  ((((((((A,B)%d,C)%d,D)%d,E)%d,F)%d,G)%d,H)%d);
        """ % (float(length),float(length),float(length),float(length),float(length),float(length),float(length))
    elif choice == 2:
        sp_tree_str = """\
        [&R]  ((((((((A,B)%d,C)%d,D)%d,E)%d,F)%d,G)%d,H)%d);
        """ % (float(length),float(length),float(length),float(length),float(length),float(length),float(length))

    sp_tree = dendropy.Tree.get_from_string(sp_tree_str, "newick")
    gene_to_species_map = dendropy.TaxonNamespaceMapping.create_contained_taxon_mapping(
        containing_taxon_namespace=sp_tree.taxon_namespace,
        num_contained=1)
    gene_tree_list = TreeList()

    for i in range(num):
        gene_tree = treesim.contained_coalescent_tree(containing_tree=sp_tree,
        gene_to_containing_taxon_map=gene_to_species_map)
        treesim.contained_coalescent_tree(containing_tree=sp_tree,
                                      gene_to_containing_taxon_map=gene_to_species_map)
        for t in gene_tree.leaf_nodes():
            t.taxon.label = t.taxon.label.split( )[0]
        gene_tree_list.append(gene_tree)

    gene_tree_list.write_to_path(fout, 'newick')
Exemplo n.º 2
0
def contained_coalescent(*args, **kwargs):
    deprecate.dendropy_deprecation_warning(
        preamble="Deprecated since DendroPy 4: The 'dendropy.treesim.contained_coalescent()' function has moved to 'dendropy.simulate.treesim.contained_coalescent_tree()'.",
        old_construct="from dendropy import treesim\ntree = treesim.contained_coalescent(...)",
        new_construct="from dendropy.simulate import treesim\ntree = treesim.contained_coalescent_tree(...)",
    )
    return treesim.contained_coalescent_tree(*args, **kwargs)
Exemplo n.º 3
0
def contained_coalescent(*args, **kwargs):
    deprecate.dendropy_deprecation_warning(
        preamble=
        "Deprecated since DendroPy 4: The 'dendropy.treesim.contained_coalescent()' function has moved to 'dendropy.simulate.treesim.contained_coalescent_tree()'.",
        old_construct=
        "from dendropy import treesim\ntree = treesim.contained_coalescent(...)",
        new_construct=
        "from dendropy.simulate import treesim\ntree = treesim.contained_coalescent_tree(...)"
    )
    return treesim.contained_coalescent_tree(*args, **kwargs)
#! /usr/bin/env python
# -*- coding: utf-8 -*-

import dendropy
from dendropy.simulate import treesim


sp_tree_str = """\
[&R] (A:10,(B:6,(C:4,(D:2,E:2):2):2):4);
"""

sp_tree = dendropy.Tree.get(data=sp_tree_str, schema="newick")
gene_to_species_map = dendropy.TaxonNamespaceMapping.create_contained_taxon_mapping(
        containing_taxon_namespace=sp_tree.taxon_namespace,
        num_contained=3)
gene_tree = treesim.contained_coalescent_tree(containing_tree=sp_tree,
    gene_to_containing_taxon_map=gene_to_species_map)
print(gene_tree.as_string(schema='newick'))
print(gene_tree.as_ascii_plot())

genes_to_species = dendropy.TaxonNamespaceMapping.create_contained_taxon_mapping(
        containing_taxon_namespace=containing_taxa,
        num_contained=8)

# convert to containing tree
stepwise_tree = reconcile.ContainingTree(stepwise_tree,
            contained_taxon_namespace=genes_to_species.domain_taxon_namespace,
            contained_to_containing_taxon_map=genes_to_species)
frag_tree = reconcile.ContainingTree(frag_tree,
            contained_taxon_namespace=genes_to_species.domain_taxon_namespace,
            contained_to_containing_taxon_map=genes_to_species)

# for each rep
for rep in range(num_reps):
    gene_tree1 = treesim.contained_coalescent_tree(containing_tree=stepwise_tree,
        gene_to_containing_taxon_map=genes_to_species,
        default_pop_size=40000)
    stepwise_tree.embed_tree(gene_tree1)
    gene_tree2 = treesim.contained_coalescent_tree(containing_tree=frag_tree,
        gene_to_containing_taxon_map=genes_to_species,
        default_pop_size=40000)
    frag_tree.embed_tree(gene_tree2)

# write results

# returns dictionary with contained trees as keys
# and number of deep coalescences as values
stepwise_deep_coals = stepwise_tree.deep_coalescences()
stepwise_out = open("stepwise.txt", "w")
for tree in stepwise_deep_coals:
    stepwise_out.write("%d\n" % stepwise_deep_coals[tree])
Exemplo n.º 6
0
#! /usr/bin/env python

import dendropy
from dendropy.simulate import treesim

sp_tree_str = """\
[&R] (A:10,(B:6,(C:4,(D:2,E:2):2):2):4);
"""

sp_tree = dendropy.Tree.get(data=sp_tree_str, schema="newick")
gene_to_species_map = dendropy.TaxonNamespaceMapping.create_contained_taxon_mapping(
    containing_taxon_namespace=sp_tree.taxon_namespace,
    num_contained=[
        3,
        4,
        6,
        2,
        2,
    ])
gene_tree = treesim.contained_coalescent_tree(
    containing_tree=sp_tree, gene_to_containing_taxon_map=gene_to_species_map)
print(gene_tree.as_string(schema='newick'))
print(gene_tree.as_ascii_plot())
Exemplo n.º 7
0
#! /usr/bin/env python

import sys
import dendropy
from dendropy.simulate import treesim

species_tree_file_name = sys.argv[1]
population_size = int(sys.argv[2])
sample_size = int(sys.argv[3])

species_tree = dendropy.Tree.get_from_path(species_tree_file_name, "nexus")
gene_to_species_map = dendropy.TaxonNamespaceMapping.create_contained_taxon_mapping(containing_taxon_namespace=species_tree.taxon_namespace, num_contained=sample_size)
gene_tree = treesim.contained_coalescent_tree(containing_tree=species_tree, gene_to_containing_taxon_map=gene_to_species_map, default_pop_size=population_size)
print(gene_tree.as_string(schema='newick'))
Exemplo n.º 8
0
# convert to containing tree
stepwise_tree = reconcile.ContainingTree(
    stepwise_tree,
    contained_taxon_namespace=genes_to_species.domain_taxon_namespace,
    contained_to_containing_taxon_map=genes_to_species,
)
frag_tree = reconcile.ContainingTree(
    frag_tree,
    contained_taxon_namespace=genes_to_species.domain_taxon_namespace,
    contained_to_containing_taxon_map=genes_to_species,
)

# for each rep
for rep in range(num_reps):
    gene_tree1 = treesim.contained_coalescent_tree(
        containing_tree=stepwise_tree, gene_to_containing_taxon_map=genes_to_species, default_pop_size=40000
    )
    stepwise_tree.embed_tree(gene_tree1)
    gene_tree2 = treesim.contained_coalescent_tree(
        containing_tree=frag_tree, gene_to_containing_taxon_map=genes_to_species, default_pop_size=40000
    )
    frag_tree.embed_tree(gene_tree2)

# write results

# returns dictionary with contained trees as keys
# and number of deep coalescences as values
stepwise_deep_coals = stepwise_tree.deep_coalescences()
stepwise_out = open("stepwise.txt", "w")
for tree in stepwise_deep_coals:
    stepwise_out.write("%d\n" % stepwise_deep_coals[tree])