Mercurial > repos > xuebing > sharplabtool
diff tools/maf/maf_to_fasta_multiple_sets.py @ 0:9071e359b9a3
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author | xuebing |
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date | Fri, 09 Mar 2012 19:37:19 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/maf/maf_to_fasta_multiple_sets.py Fri Mar 09 19:37:19 2012 -0500 @@ -0,0 +1,58 @@ +#!/usr/bin/env python + +""" +Read a maf and output a multiple block fasta file. +""" +#Dan Blankenberg +import sys +from galaxy import eggs +import pkg_resources; pkg_resources.require( "bx-python" ) +from bx.align import maf +from galaxy.tools.util import maf_utilities + +assert sys.version_info[:2] >= ( 2, 4 ) + +def __main__(): + try: + maf_reader = maf.Reader( open( sys.argv[1] ) ) + except Exception, e: + maf_utilities.tool_fail( "Error opening input MAF: %s" % e ) + try: + file_out = open( sys.argv[2], 'w' ) + except Exception, e: + maf_utilities.tool_fail( "Error opening file for output: %s" % e ) + try: + species = maf_utilities.parse_species_option( sys.argv[3] ) + if species: + num_species = len( species ) + else: + num_species = 0 + except Exception, e: + maf_utilities.tool_fail( "Error determining species value: %s" % e ) + try: + partial = sys.argv[4] + except Exception, e: + maf_utilities.tool_fail( "Error determining keep partial value: %s" % e ) + + if species: + print "Restricted to species: %s" % ', '.join( species ) + else: + print "Not restricted to species." + + for block_num, block in enumerate( maf_reader ): + if species: + block = block.limit_to_species( species ) + if len( maf_utilities.get_species_in_block( block ) ) < num_species and partial == "partial_disallowed": continue + spec_counts = {} + for component in block.components: + spec, chrom = maf_utilities.src_split( component.src ) + if spec not in spec_counts: + spec_counts[ spec ] = 0 + else: + spec_counts[ spec ] += 1 + file_out.write( "%s\n" % maf_utilities.get_fasta_header( component, { 'block_index' : block_num, 'species' : spec, 'sequence_index' : spec_counts[ spec ] }, suffix = "%s_%i_%i" % ( spec, block_num, spec_counts[ spec ] ) ) ) + file_out.write( "%s\n" % component.text ) + file_out.write( "\n" ) + file_out.close() + +if __name__ == "__main__": __main__()