Files
galaxy/tools/new_operations/gops_coverage.py
T

69 lines
2.3 KiB
Python

#!/usr/bin/env python
"""
Calculate coverage of one query on another, and append the coverage to
the last two columns as bases covered and percent coverage.
usage: %prog bed_file_1 bed_file_2 out_file
-1, --cols1=N,N,N,N: Columns for start, end, strand in first file
-2, --cols2=N,N,N,N: Columns for start, end, strand in second file
"""
from galaxy import eggs
import pkg_resources
pkg_resources.require( "bx-python" )
import sys, traceback, fileinput
from warnings import warn
from bx.intervals import *
from bx.intervals.io import *
from bx.intervals.operations.coverage import *
from bx.cookbook import doc_optparse
from galaxy.tools.util.galaxyops import *
assert sys.version_info[:2] >= ( 2, 4 )
def main():
upstream_pad = 0
downstream_pad = 0
options, args = doc_optparse.parse( __doc__ )
try:
chr_col_1, start_col_1, end_col_1, strand_col_1 = parse_cols_arg( options.cols1 )
chr_col_2, start_col_2, end_col_2, strand_col_2 = parse_cols_arg( options.cols2 )
in_fname, in2_fname, out_fname = args
except:
doc_optparse.exception()
g1 = NiceReaderWrapper( fileinput.FileInput( in_fname ),
chrom_col=chr_col_1,
start_col=start_col_1,
end_col=end_col_1,
strand_col=strand_col_1,
fix_strand=True )
g2 = NiceReaderWrapper( fileinput.FileInput( in2_fname ),
chrom_col=chr_col_2,
start_col=start_col_2,
end_col=end_col_2,
strand_col=strand_col_2,
fix_strand=True )
out_file = open( out_fname, "w" )
try:
for line in coverage( [g1,g2] ):
if type( line ) is GenomicInterval:
out_file.write( "%s\n" % "\t".join( line.fields ) )
else:
out_file.write( "%s\n" % line )
except ParseError, exc:
out_file.close()
fail( "Invalid file format: %s" % str( exc ) )
out_file.close()
if g1.skipped > 0:
print skipped( g1, filedesc=" of 1st dataset" )
if g2.skipped > 0:
print skipped( g2, filedesc=" of 2nd dataset" )
if __name__ == "__main__":
main()