Files
galaxy/tools/regVariation/microsats_mutability.py
T

489 lines
22 KiB
Python

#!/usr/bin/env python
#Guruprasad Ananda
"""
This tool computes microsatellite mutability for the orthologous microsatellites fetched from 'Extract Orthologous Microsatellites from pair-wise alignments' tool.
"""
from galaxy import eggs
import sys, string, re, commands, tempfile, os, fileinput
from galaxy.tools.util.galaxyops import *
from bx.intervals.io import *
from bx.intervals.operations import quicksect
fout = open(sys.argv[2],'w')
p_group = int(sys.argv[3]) #primary "group-by" feature
p_bin_size = int(sys.argv[4])
s_group = int(sys.argv[5]) #sub-group by feature
s_bin_size = int(sys.argv[6])
mono_threshold = 9
non_mono_threshold = 4
p_group_cols = [p_group, p_group+7]
s_group_cols = [s_group, s_group+7]
num_generations = int(sys.argv[7])
region = sys.argv[8]
int_file = sys.argv[9]
if int_file != "None": #User has specified an interval file
try:
fint = open(int_file, 'r')
dbkey_i = sys.argv[10]
chr_col_i, start_col_i, end_col_i, strand_col_i = parse_cols_arg( sys.argv[11] )
except:
stop_err("Unable to open input Interval file")
def stop_err(msg):
sys.stderr.write(msg)
sys.exit()
def reverse_complement(text):
DNA_COMP = string.maketrans( "ACGTacgt", "TGCAtgca" )
comp = [ch for ch in text.translate(DNA_COMP)]
comp.reverse()
return "".join(comp)
def get_unique_elems(elems):
seen=set()
return[x for x in elems if x not in seen and not seen.add(x)]
def get_binned_lists(uniqlist, binsize):
binnedlist=[]
uniqlist.sort()
start = int(uniqlist[0])
bin_ind=0
l_ind=0
binnedlist.append([])
while l_ind < len(uniqlist):
elem = int(uniqlist[l_ind])
if elem in range(start,start+binsize):
binnedlist[bin_ind].append(elem)
else:
start += binsize
bin_ind += 1
binnedlist.append([])
binnedlist[bin_ind].append(elem)
l_ind += 1
return binnedlist
def fetch_weight(H,C,t):
if (H-(C-H)) < t:
return 2.0
else:
return 1.0
def mutabilityEstimator(repeats1,repeats2,thresholds):
mut_num = 0.0 #Mutability Numerator
mut_den = 0.0 #Mutability denominator
for ind,H in enumerate(repeats1):
C = repeats2[ind]
t = thresholds[ind]
w = fetch_weight(H,C,t)
mut_num += ((H-C)*(H-C)*w)
mut_den += w
return [mut_num, mut_den]
def output_writer(blk, blk_lines):
global winspecies, speciesind
all_elems_1=[]
all_elems_2=[]
all_s_elems_1=[]
all_s_elems_2=[]
for bline in blk_lines:
if not(bline):
continue
items = bline.split('\t')
seq1 = items[1]
start1 = items[2]
end1 = items[3]
seq2 = items[8]
start2 = items[9]
end2 = items[10]
if p_group_cols[0] == 6:
items[p_group_cols[0]] = int(items[p_group_cols[0]])
items[p_group_cols[1]] = int(items[p_group_cols[1]])
if s_group_cols[0] == 6:
items[s_group_cols[0]] = int(items[s_group_cols[0]])
items[s_group_cols[1]] = int(items[s_group_cols[1]])
all_elems_1.append(items[p_group_cols[0]]) #primary col elements for species 1
all_elems_2.append(items[p_group_cols[1]]) #primary col elements for species 2
if s_group_cols[0] != -1: #sub-group is not None
all_s_elems_1.append(items[s_group_cols[0]]) #secondary col elements for species 1
all_s_elems_2.append(items[s_group_cols[1]]) #secondary col elements for species 2
uniq_elems_1 = get_unique_elems(all_elems_1)
uniq_elems_2 = get_unique_elems(all_elems_2)
if s_group_cols[0] != -1:
uniq_s_elems_1 = get_unique_elems(all_s_elems_1)
uniq_s_elems_2 = get_unique_elems(all_s_elems_2)
mut1={}
mut2={}
count1 = {}
count2 = {}
"""
if p_group_cols[0] == 7: #i.e. the option chosen is group-by unit(AG, GTC, etc)
uniq_elems_1 = get_unique_units(j.sort(lambda x, y: len(x)-len(y)))
"""
if p_group_cols[0] == 6: #i.e. the option chosen is group-by repeat number.
uniq_elems_1 = get_binned_lists(uniq_elems_1,p_bin_size)
uniq_elems_2 = get_binned_lists(uniq_elems_2,p_bin_size)
if s_group_cols[0] == 6: #i.e. the option chosen is subgroup-by repeat number.
uniq_s_elems_1 = get_binned_lists(uniq_s_elems_1,s_bin_size)
uniq_s_elems_2 = get_binned_lists(uniq_s_elems_2,s_bin_size)
for pitem1 in uniq_elems_1:
#repeats1 = []
#repeats2 = []
thresholds = []
if s_group_cols[0] != -1: #Sub-group by feature is not None
for sitem1 in uniq_s_elems_1:
repeats1 = []
repeats2 = []
if type(sitem1) == type(''):
sitem1 = sitem1.strip()
for bline in blk_lines:
belems = bline.split('\t')
if type(pitem1) == list:
if p_group_cols[0] == 6:
belems[p_group_cols[0]] = int(belems[p_group_cols[0]])
if belems[p_group_cols[0]] in pitem1:
if belems[s_group_cols[0]]==sitem1:
repeats1.append(int(belems[6]))
repeats2.append(int(belems[13]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut1[str(pitem1)+'\t'+str(sitem1)]=mutabilityEstimator(repeats1,repeats2,thresholds)
if region == 'align':
count1[str(pitem1)+'\t'+str(sitem1)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count1["%s\t%s" %(pitem1,sitem1)]=sum(repeats1)
elif winspecies == 2:
count1["%s\t%s" %(pitem1,sitem1)]=sum(repeats2)
else:
if type(sitem1) == list:
if s_group_cols[0] == 6:
belems[s_group_cols[0]] = int(belems[s_group_cols[0]])
if belems[p_group_cols[0]]==pitem1 and belems[s_group_cols[0]] in sitem1:
repeats1.append(int(belems[6]))
repeats2.append(int(belems[13]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut1["%s\t%s" %(pitem1,sitem1)]=mutabilityEstimator(repeats1,repeats2,thresholds)
if region == 'align':
count1[str(pitem1)+'\t'+str(sitem1)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count1[str(pitem1)+'\t'+str(sitem1)]=sum(repeats1)
elif winspecies == 2:
count1[str(pitem1)+'\t'+str(sitem1)]=sum(repeats2)
else:
if belems[p_group_cols[0]]==pitem1 and belems[s_group_cols[0]]==sitem1:
repeats1.append(int(belems[6]))
repeats2.append(int(belems[13]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut1["%s\t%s" %(pitem1,sitem1)]=mutabilityEstimator(repeats1,repeats2,thresholds)
if region == 'align':
count1[str(pitem1)+'\t'+str(sitem1)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count1["%s\t%s" %(pitem1,sitem1)]=sum(repeats1)
elif winspecies == 2:
count1["%s\t%s" %(pitem1,sitem1)]=sum(repeats2)
else: #Sub-group by feature is None
for bline in blk_lines:
belems = bline.split('\t')
if type(pitem1) == list:
#print >>sys.stderr, "item: " + str(item1)
if p_group_cols[0] == 6:
belems[p_group_cols[0]] = int(belems[p_group_cols[0]])
if belems[p_group_cols[0]] in pitem1:
repeats1.append(int(belems[6]))
repeats2.append(int(belems[13]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
else:
if belems[p_group_cols[0]]==pitem1:
repeats1.append(int(belems[6]))
repeats2.append(int(belems[13]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut1["%s" %(pitem1)]=mutabilityEstimator(repeats1,repeats2,thresholds)
if region == 'align':
count1["%s" %(pitem1)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count1[str(pitem1)]=sum(repeats1)
elif winspecies == 2:
count1[str(pitem1)]=sum(repeats2)
for pitem2 in uniq_elems_2:
#repeats1 = []
#repeats2 = []
thresholds = []
if s_group_cols[0] != -1: #Sub-group by feature is not None
for sitem2 in uniq_s_elems_2:
repeats1 = []
repeats2 = []
if type(sitem2)==type(''):
sitem2 = sitem2.strip()
for bline in blk_lines:
belems = bline.split('\t')
if type(pitem2) == list:
if p_group_cols[0] == 6:
belems[p_group_cols[1]] = int(belems[p_group_cols[1]])
if belems[p_group_cols[1]] in pitem2 and belems[s_group_cols[1]]==sitem2:
repeats2.append(int(belems[13]))
repeats1.append(int(belems[6]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut2["%s\t%s" %(pitem2,sitem2)]=mutabilityEstimator(repeats2,repeats1,thresholds)
#count2[str(pitem2)+'\t'+str(sitem2)]=len(repeats2)
if region == 'align':
count2["%s\t%s" %(pitem2,sitem2)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count2["%s\t%s" %(pitem2,sitem2)]=len(repeats2)
elif winspecies == 2:
count2["%s\t%s" %(pitem2,sitem2)]=len(repeats1)
else:
if type(sitem2) == list:
if s_group_cols[0] == 6:
belems[s_group_cols[1]] = int(belems[s_group_cols[1]])
if belems[p_group_cols[1]]==pitem2 and belems[s_group_cols[1]] in sitem2:
repeats2.append(int(belems[13]))
repeats1.append(int(belems[6]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut2["%s\t%s" %(pitem2,sitem2)]=mutabilityEstimator(repeats2,repeats1,thresholds)
if region == 'align':
count2["%s\t%s" %(pitem2,sitem2)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count2["%s\t%s" %(pitem2,sitem2)]=len(repeats2)
elif winspecies == 2:
count2["%s\t%s" %(pitem2,sitem2)]=len(repeats1)
else:
if belems[p_group_cols[1]]==pitem2 and belems[s_group_cols[1]]==sitem2:
repeats1.append(int(belems[13]))
repeats2.append(int(belems[6]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut2["%s\t%s" %(pitem2,sitem2)]=mutabilityEstimator(repeats2,repeats1,thresholds)
if region == 'align':
count2["%s\t%s" %(pitem2,sitem2)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count2["%s\t%s" %(pitem2,sitem2)]=len(repeats2)
elif winspecies == 2:
count2["%s\t%s" %(pitem2,sitem2)]=len(repeats1)
else: #Sub-group by feature is None
for bline in blk_lines:
belems = bline.split('\t')
if type(pitem2) == list:
if p_group_cols[0] == 6:
belems[p_group_cols[1]] = int(belems[p_group_cols[1]])
if belems[p_group_cols[1]] in pitem2:
repeats2.append(int(belems[13]))
repeats1.append(int(belems[6]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
else:
if belems[p_group_cols[1]]==pitem2:
repeats2.append(int(belems[13]))
repeats1.append(int(belems[6]))
if belems[4] == 'mononucleotide':
thresholds.append(mono_threshold)
else:
thresholds.append(non_mono_threshold)
mut2["%s" %(pitem2)]=mutabilityEstimator(repeats2,repeats1,thresholds)
if region == 'align':
count2["%s" %(pitem2)]=min(sum(repeats1),sum(repeats2))
else:
if winspecies == 1:
count2["%s" %(pitem2)]=sum(repeats2)
elif winspecies == 2:
count2["%s" %(pitem2)]=sum(repeats1)
for key in mut1.keys():
if key in mut2.keys():
mut = (mut1[key][0]+mut2[key][0])/(mut1[key][1]+mut2[key][1])
count = count1[key]
del mut2[key]
else:
unit_found = False
if p_group_cols[0] == 7 or s_group_cols[0] == 7: #if it is Repeat Unit (AG, GCT etc.) check for reverse-complements too
if p_group_cols[0] == 7:
this,other = 0,1
else:
this,other = 1,0
groups1 = key.split('\t')
mutn = mut1[key][0]
mutd = mut1[key][1]
count = 0
for key2 in mut2.keys():
groups2 = key2.split('\t')
if groups1[other] == groups2[other]:
if groups1[this] in groups2[this]*2 or reverse_complement(groups1[this]) in groups2[this]*2:
#mut = (mut1[key][0]+mut2[key2][0])/(mut1[key][1]+mut2[key2][1])
mutn += mut2[key2][0]
mutd += mut2[key2][1]
count += int(count2[key2])
unit_found = True
del mut2[key2]
#break
if unit_found:
mut = mutn/mutd
else:
mut = mut1[key][0]/mut1[key][1]
count = count1[key]
mut = "%.2e" %(mut/num_generations)
if region == 'align':
print >>fout, str(blk) + '\t'+seq1 + '\t' + seq2 + '\t' +key.strip()+ '\t'+str(mut) + '\t'+ str(count)
elif region == 'win':
fout.write("%s\t%s\t%s\t%s\n" %(blk,key.strip(),mut,count))
fout.flush()
#catch any remaining repeats, for instance if the orthologous position contained different repeat units
for remaining_key in mut2.keys():
mut = mut2[remaining_key][0]/mut2[remaining_key][1]
mut = "%.2e" %(mut/num_generations)
count = count2[remaining_key]
if region == 'align':
print >>fout, str(blk) + '\t'+seq1 + '\t'+seq2 + '\t'+remaining_key.strip()+ '\t'+str(mut)+ '\t'+ str(count)
elif region == 'win':
fout.write("%s\t%s\t%s\t%s\n" %(blk,remaining_key.strip(),mut,count))
fout.flush()
#print >>fout, blk + '\t'+remaining_key.strip()+ '\t'+str(mut)+ '\t'+ str(count)
def counter(node, start, end, report_func):
if start <= node.start < end and start < node.end <= end:
report_func(node)
if node.right:
counter(node.right, start, end, report_func)
if node.left:
counter(node.left, start, end, report_func)
elif node.start < start and node.right:
counter(node.right, start, end, report_func)
elif node.start >= end and node.left and node.left.maxend > start:
counter(node.left, start, end, report_func)
def main():
infile = sys.argv[1]
for i, line in enumerate( file ( infile )):
line = line.rstrip('\r\n')
if len( line )>0 and not line.startswith( '#' ):
elems = line.split( '\t' )
break
if i == 30:
break # Hopefully we'll never get here...
if len( elems ) != 15:
stop_err( "This tool only works on tabular data output by 'Extract Orthologous Microsatellites from pair-wise alignments' tool. The data in your input dataset is either missing or not formatted properly." )
global winspecies, speciesind
if region == 'win':
if dbkey_i in elems[1]:
winspecies = 1
speciesind = 1
elif dbkey_i in elems[8]:
winspecies = 2
speciesind = 8
else:
stop_err("The species build corresponding to your interval file is not present in the Microsatellite file.")
fin = open(infile, 'r')
skipped = 0
blk=0
win=0
linestr=""
if region == 'win':
msats = NiceReaderWrapper( fileinput.FileInput( infile ),
chrom_col = speciesind,
start_col = speciesind+1,
end_col = speciesind+2,
strand_col = -1,
fix_strand = True)
msatTree = quicksect.IntervalTree()
for item in msats:
if type( item ) is GenomicInterval:
msatTree.insert( item, msats.linenum, item.fields )
for iline in fint:
try:
iline = iline.rstrip('\r\n')
if not(iline) or iline == "":
continue
ielems = iline.strip("\r\n").split('\t')
ichr = ielems[chr_col_i]
istart = int(ielems[start_col_i])
iend = int(ielems[end_col_i])
isrc = "%s.%s" %(dbkey_i,ichr)
if isrc not in msatTree.chroms:
continue
result = []
root = msatTree.chroms[isrc] #root node for the chrom
counter(root, istart, iend, lambda node: result.append( node ))
if not(result):
continue
tmpfile1 = tempfile.NamedTemporaryFile('wb+')
for node in result:
tmpfile1.write("%s\n" % "\t".join( node.other ))
tmpfile1.seek(0)
output_writer(iline, tmpfile1.readlines())
except:
skipped+=1
if skipped:
print "Skipped %d intervals as invalid." %(skipped)
elif region == 'align':
if s_group_cols[0] != -1:
print >>fout, "#Window\tSpecies_1\tSpecies_2\tGroupby_Feature\tSubGroupby_Feature\tMutability\tCount"
else:
print >>fout, "#Window\tSpecies_1\tWindow_Start\tWindow_End\tSpecies_2\tGroupby_Feature\tMutability\tCount"
prev_bnum = -1
try:
for line in fin:
line = line.strip("\r\n")
if not(line) or line == "":
continue
elems = line.split('\t')
try:
assert int(elems[0])
assert len(elems) == 15
except:
continue
new_bnum = int(elems[0])
if new_bnum != prev_bnum:
if prev_bnum != -1:
output_writer(prev_bnum, linestr.strip().replace('\r','\n').split('\n'))
linestr = line + "\n"
else:
linestr += line
linestr += "\n"
prev_bnum = new_bnum
output_writer(prev_bnum, linestr.strip().replace('\r','\n').split('\n'))
except Exception, ea:
print >>sys.stderr, ea
skipped += 1
if skipped:
print "Skipped %d lines as invalid." %(skipped)
if __name__ == "__main__":
main()