gsnapAnnotation = param['gsnapAnnotation']
#======== (0) enter the directory ================
os.chdir(file_path)
Message(startMessage,email)
#======== (1) read files ================================
fastqFiles = list_files(file_path)
if trim == 'True':
fastqFiles = Trimmomatic(trimmomatic,fastqFiles,phred)
print 'list file succeed'
print 'fastqFiles is: ',fastqFiles
#======== (2) align fastq files to host ================================
try:
if aligner == 'gsnap':
# check index
if os.listdir(alignerDb) == []:
gsnap_Db(ref_fa,alignerDb,gsnapDbName,gsnapAnnotation)
map_files = gsnap(fastqFiles,alignerDb,gsnapDbName,gsnapAnnotation,thread) # [file.sam]
else:
map_files = STAR(fastqFiles,alignerDb,thread)
print 'align succeed'
print 'map_files is: ',map_files
except:
print 'align failed'
Message('host align failed',email)
raise
#======== (3) sam to bam and sort ================================
try:
sorted_bams = sam2bam_sort(map_files,thread) # [file.sort.bam]
print 'bam sorted succeed'
print 'sorted_bam is: ',sorted_bams
except:
remove(unmap2host_bams)
except:
print 'unmap2host_fq_gzs failed'
Message('unmap2host_fq_gzs failed',email)
raise
"""
unmap2host_fq_gzs = [['sub1.fq.gz']]
#===========================================================================
# 2. Map to virus reference genome
#===========================================================================
#======== (1) align unmap2host_fq to virus =========================
try:
if aligner == 'gsnap':
# check index
if os.listdir(virus_alignerDb) == []:
gsnap_Db(virus_ref_fa,virus_alignerDb,virus_gsnapDbName,virus_gsnapAnnotation)
# align the reads
map_files = gsnap(unmap2host_fq_gzs,virus_alignerDb, virus_gsnapDbName,virus_gsnapAnnotation,thread)
else:
map_files = STAR(unmap2host_fq_gzs,virus_alignerDb,thread,'',['--outSAMunmapped Within']) # [file.sam]
new_map_files = [f[:-3]+'sort.unmap2host.sam' for f in map_files]
for f1,f2 in zip(map_files,new_map_files):
os.rename(f1,f2) # [file.sort.unmap2host.sam]
print 'virus align succeed'
print 'map_files is: ',new_map_files
# remove(unmap2host_fq_gzs)
except:
print 'virus align failed'
Message('virus align failed',email)
raise
#======== (2) sam to bam and sort ================================
gsnapAnnotation = param['gsnapAnnotation']
#======== (0) enter the directory ================
os.chdir(file_path)
Message(startMessage, email)
#======== (1) read files ================================
fastqFiles = list_files(file_path)
if trim == 'True':
fastqFiles = Trimmomatic(trimmomatic, fastqFiles, phred)
print 'list file succeed'
print 'fastqFiles is: ', fastqFiles
#======== (2) align fastq files to host ================================
try:
if aligner == 'gsnap':
# check index
if os.listdir(alignerDb) == []:
gsnap_Db(ref_fa, alignerDb, gsnapDbName, gsnapAnnotation)
map_files = gsnap(fastqFiles, alignerDb, gsnapDbName, gsnapAnnotation,
thread) # [file.sam]
else:
map_files = STAR(fastqFiles, alignerDb, thread)
print 'align succeed'
print 'map_files is: ', map_files
except:
print 'align failed'
Message('host align failed', email)
raise
#======== (3) sam to bam and sort ================================
try:
sorted_bams = sam2bam_sort(map_files, thread) # [file.sort.bam]
print 'bam sorted succeed'
print 'sorted_bam is: ', sorted_bams
