Add files via upload

This commit is contained in:
HarshitGupta11 2019-06-20 19:14:12 +05:30 committed by GitHub
parent de9f568bd6
commit 35acf20650
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 120 additions and 1 deletions

119
create_synteny_matrix_v2.py Normal file
View file

@ -0,0 +1,119 @@
import numpy as np
import requests
import edlib as ed
import pandas as pd
import time
import sys
import progressbar
from skbio.alignment import local_pairwise_align_ssw
from skbio import DNA,TabularMSA,RNA
def update(gene_seq,gene):
while(1):
try:
server = "https://rest.ensembl.org"
ext = "/sequence/id/"+str(gene)+"?type=cds;multiple_sequences=1"
r = requests.get(server+ext, headers={ "Content-Type" : "application/json"})
if not r.ok:
r.raise_for_status()
sys.exit()
r=r.json()
if len(r)==1:
r=dict(r[0])
gene_seq[gene]=str(r["seq"])
return
else:
maxi=0
maxlen=0
for i in range(len(r)):
m=r[i]
m=dict(m)
if len(m["seq"])>maxlen:
maxi=i
r=dict(r[maxi])
gene_seq[gene]=str(r["seq"])
return
except Exception as e:
print("\nError:",e)
continue
def create_synteny_matrix_mul(gene_seq,g1,g2,n):
for gene in g1:
if gene=="NULL_GENE":
continue
try:
temp=gene_seq[gene]
except:
print("Updating gene sequences for gene:",gene)
update(gene_seq,gene)
for gene in g2:
if gene=="NULL_GENE":
continue
try:
temp=gene_seq[gene]
except:
print("Updating gene sequences for gene:",gene)
update(gene_seq,gene)
#print(n)
sm=np.zeros((n,n,2))
sml=np.zeros((n,n,2))
for i in range(n):
if g1[i]=="NULL_GENE":
continue
for j in range(n):
if g2[j]=="NULL_GENE":
continue
norm_len=max(len(gene_seq[g1[i]]),len(gene_seq[g2[j]]))
try:
result = ed.align(gene_seq[g1[i]],gene_seq[g2[j]], mode="NW", task="distance")
sm[i][j][0]=result["editDistance"]/(norm_len)
result = ed.align(gene_seq[g1[i]],gene_seq[g2[j]][::-1], mode="NW", task="distance")
sm[i][j][1]=result["editDistance"]/(norm_len)
except:
return np.zeros((n,n,2)),np.zeros((n,n,2))
return sm,sml
def synteny_matrix(gene_seq,hdf,lsy,n,enable_break):
sg=[]
sl=[]
t=0
ind=[]
for index,row in progressbar.progressbar(hdf.iterrows()):
g1=str(row["gene_stable_id"])
g2=str(row["homology_gene_stable_id"])
x=[]
y=[]
t+=1
try:
temp=lsy[g1]
temp=lsy[g2]
except:
continue
for i in range(len(lsy[g1]['b'])-1,-1,-1):
x.append(lsy[g1]['b'][i])
x.append(g1)
for k in lsy[g1]['f']:
x.append(k)
for i in range(len(lsy[g2]['b'])-1,-1,-1):
y.append(lsy[g2]['b'][i])
y.append(g2)
for k in lsy[g2]['f']:
y.append(k)
assert(len(x)==len(y))
assert(len(x)==(2*n+1))
smgtemp,smltemp=create_synteny_matrix_mul(gene_seq,x,y,2*n+1)
if np.all(smgtemp==0):
continue
sg.append(smgtemp)
sl.append(smltemp)
ind.append(index)
if t==5 and enable_break==1:
break
#print("Time Taken:",end-start)
#print("Average Time:",(end-start)/len(sg))
print(t)
return np.array(sg),np.array(sl),np.array(ind)

View file

@ -6,7 +6,7 @@ import sys
import pickle
from get_data import get_data_genome
from process_data import get_nearest_neighbors
from create_synteny_matrix import create_synteny_matrix_mul
from create_synteny_matrix_v2 import create_synteny_matrix_mul
from ete3 import Tree
import traceback