Mercurial > repos > fubar > data_manager_rnasta
diff data_manager/rnastar_index_builder.py @ 0:84f6e67cbae5 draft
Initial commit - problems testing on my ram starved laptop - need to test on a bigger ram machine
author | fubar |
---|---|
date | Mon, 29 Sep 2014 20:25:10 -0400 |
parents | |
children | ebadd2c92958 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/data_manager/rnastar_index_builder.py Mon Sep 29 20:25:10 2014 -0400 @@ -0,0 +1,111 @@ +#!/usr/bin/env python +#Dan Blankenberg +# adapted from Dan's BWA one for rna star +# ross lazarus sept 2014 +# +import sys +import os +import tempfile +import optparse +import subprocess + +from galaxy.util.json import from_json_string, to_json_string + +DEFAULT_DATA_TABLE_NAME = "rnastar_indexes" + +def get_id_name( params, dbkey, fasta_description=None): + #TODO: ensure sequence_id is unique and does not already appear in location file + sequence_id = params['param_dict']['sequence_id'] + if not sequence_id: + sequence_id = dbkey + + sequence_name = params['param_dict']['sequence_name'] + if not sequence_name: + sequence_name = fasta_description + if not sequence_name: + sequence_name = dbkey + return sequence_id, sequence_name + +def build_rnastar_index( data_manager_dict, fasta_filename, target_directory, dbkey, sequence_id, sequence_name, data_table_name, + sjdbOverhang,sjdbGTFfile, sjdbFileChrStartEnd,sjdbGTFtagExonParentTranscript,sjdbGTFfeatureExon,sjdbGTFchrPrefix,n_threads): + #TODO: allow multiple FASTA input files + #tmp_dir = tempfile.mkdtemp( prefix='tmp-data-manager-bwa-index-builder-' ) + fasta_base_name = os.path.split( fasta_filename )[-1] + sym_linked_fasta_filename = os.path.join( target_directory, fasta_base_name ) + os.symlink( fasta_filename, sym_linked_fasta_filename ) + pdict={'target_directory':target_directory,'n_threads':n_threads, 'sjdbFileChrStartEnd':sjdbFileChrStartEnd, + 'sjdbGTFtagExonParentTranscript':sjdbGTFtagExonParentTranscript, 'sjdbGTFfeatureExon':sjdbGTFfeatureExon, + 'sjdbGTFchrPrefix':sjdbGTFchrPrefix,'sjdbOverhang':sjdbOverhang, 'sjdbGTFfile':sjdbGTFfile, + 'sym_linked_fasta_filename':sym_linked_fasta_filename} + + cl = 'STAR --runMode genomeGenerate --genomeFastaFiles %(sym_linked_fasta_filename)s --genomeDir %(target_directory)s --runThreadN %(n_threads)s' % pdict + if sjdbGTFfile: + cl += '''--sjdbGTFchrPrefix %(sjdbGTFchrPrefix)s --sjdbGTFfeatureExon %(sjdbGTFfeatureExon)s --sjdbOverhang %(sjdbOverhang)s + --sjdbGTFfile %(sjdbGTFfile)s --sjdbGTFtagExonParentTranscript %(sjdbGTFtagExonParentTranscript)s''' % pdict + elif sjdbFileChrStartEnd: + cl += '--sjdbFileChrStartEnd %(sjdbFileChrStartEnd)s --sjdbOverhang %(sjdbOverhangs)s' + tmp_stderr = tempfile.NamedTemporaryFile( prefix = "tmp-data-manager-rnastar-index-builder-stderr" ) + args = cl.split(' ') + proc = subprocess.Popen( args=args, shell=False, cwd=target_directory, stderr=tmp_stderr.fileno() ) + return_code = proc.wait() + if return_code: + tmp_stderr.flush() + tmp_stderr.seek(0) + print >> sys.stderr, "Error building index: retcode=",retcode + while True: + chunk = tmp_stderr.read( CHUNK_SIZE ) + if not chunk: + break + sys.stderr.write( chunk ) + tmp_stderr.close() + data_table_entry = dict( value=sequence_id, dbkey=dbkey, name=sequence_name, path=fasta_base_name ) + _add_data_table_entry( data_manager_dict, data_table_name, data_table_entry ) + +def _add_data_table_entry( data_manager_dict, data_table_name, data_table_entry ): + data_manager_dict['data_tables'] = data_manager_dict.get( 'data_tables', {} ) + data_manager_dict['data_tables'][ data_table_name ] = data_manager_dict['data_tables'].get( data_table_name, [] ) + data_manager_dict['data_tables'][ data_table_name ].append( data_table_entry ) + return data_manager_dict + +def main(): + #Parse Command Line + parser = optparse.OptionParser() + parser.add_option( '-f', '--fasta_filename', dest='fasta_filename', action='store', type="string", default=None, help='fasta_filename' ) + parser.add_option( '-d', '--fasta_dbkey', dest='fasta_dbkey', action='store', type="string", default=None, help='fasta_dbkey' ) + parser.add_option( '-t', '--fasta_description', dest='fasta_description', action='store', type="string", default=None, help='fasta_description' ) + parser.add_option( '-n', '--data_table_name', dest='data_table_name', action='store', type="string", default=None, help='data_table_name' ) + parser.add_option( '--out_file', default=None) + parser.add_option( '--out_index_path', default=None) + parser.add_option( '--sjdbGTFfile', type="string", default=None ) + parser.add_option( '--sjdbGTFchrPrefix', type="string", default=None ) + parser.add_option( '--sjdbGTFfeatureExon', type="string", default=None ) + parser.add_option( '--sjdbGTFtagExonParentTranscript', type="string", default=None ) + parser.add_option( '--sjdbFileChrStartEnd', type="string", default=None ) + parser.add_option( '--sjdbOverhang', type="int", default=100 ) + parser.add_option( '--runThreadN', type="int", default=4 ) + (options, args) = parser.parse_args() + + filename = options.out_file + params = from_json_string( open( filename ).read() ) + target_directory = options.out_index_path + os.mkdir( target_directory ) + data_manager_dict = {} + + dbkey = options.fasta_dbkey + + if dbkey in [ None, '', '?' ]: + raise Exception( '"%s" is not a valid dbkey. You must specify a valid dbkey.' % ( dbkey ) ) + + sequence_id, sequence_name = get_id_name( params, dbkey=dbkey, fasta_description=options.fasta_description ) + + #build the index + build_rnastar_index( data_manager_dict, options.fasta_filename, target_directory, dbkey, sequence_id, sequence_name, data_table_name=options.data_table_name, + sjdbOverhang=options.sjdbOverhang,sjdbGTFfile=options.sjdbGTFfile, + sjdbFileChrStartEnd=options.sjdbFileChrStartEnd,sjdbGTFtagExonParentTranscript=options.sjdbGTFtagExonParentTranscript, + sjdbGTFfeatureExon=options.sjdbGTFfeatureExon,sjdbGTFchrPrefix=options.sjdbGTFchrPrefix, + n_threads=options.runThreadN ) + + #save info to json file + open( filename, 'wb' ).write( to_json_string( data_manager_dict ) ) + +if __name__ == "__main__": main()