def test_go_annotation_analysis():
"We can annotate gos"
test_dir = NamedTemporaryDir()
project_name = "backbone"
nr_path = os.path.join(TEST_DATA_DIR, "blast", "arabidopsis_genes+")
b2g = os.path.join(TEST_DATA_DIR, "b2gPipe.properties")
b2gpipe_bin = os.path.join(guess_jar_dir("blast2go.jar"), "blast2go.jar")
if not b2gpipe_bin:
print "Do not run b2gppe tests, blast2go jar file not found "
return
config = {
"blast": {"nr": {"path": nr_path, "species": "nr"}},
"Annotation": {
"go_annotation": {
"blast_database": "nr",
"create_dat_file": True,
"java_memory": 2048,
"b2g_properties_file": b2g,
"blast2go_path": b2gpipe_bin,
}
},
"General_settings": {"threads": THREADS},
}
settings_path = create_project(directory=test_dir.name, name=project_name, configuration=config)
project_dir = join(test_dir.name, project_name)
seq = "CTTCATCCATTCTCTCATCCGCCGNTGTGGCCTTTGNCAACAGGGCTTCCCCTGCTCAAGCT"
seq += "AGCATGGGGGCACCATTCACTGGCCTAAAATCCGCCGCTGCTTTCCCNGTNACTCGCANGACC"
seq += "AACGACATCACCACTTTGGTTAGCAATGGGGGAAGAGTTCAGGGCNTGAAGGTGTGCCCACCA"
seq += "CTTGGATTGAAGAAGTTCGAGACTCTTTCTTACCTTCCTGATATGAGTAACGAGCAATTGGGA"
seq += "AAGGAAGTTGACTACCTTCTCAGGAAGGGATGGATTCCCTGCATTGAATTCGACATTCACAGT"
seq += "GGATTCGTTTACCGTGAGACCCACAGGTCACCAGG"
annot_input_dir = join(project_dir, "annotations", "input")
os.makedirs(annot_input_dir)
# create some seqs to annotate
fasta = ">seq1\n%s\n" % seq
fhand = open(os.path.join(annot_input_dir, "seqs.st_nucl.pl_454.fasta"), "w")
fhand.write(fasta)
fhand.close()
bdir = join(project_dir, "annotations", "blast", "seqs.st_nucl.pl_454", "arabidopsis_genes+")
os.makedirs(bdir)
shutil.copy(join(TEST_DATA_DIR, "blastResult.xml"), join(bdir, "blast.tblastx.xml"))
do_analysis(project_settings=settings_path, kind="annotate_gos", silent=True)
repr_fpath = join(project_dir, BACKBONE_DIRECTORIES["annotation_dbs"], "seqs.st_nucl.pl_454.0.pickle")
result = open(repr_fpath).read()
assert "GO:0043094" in result
assert os.path.exists(os.path.join(project_dir, "annotations", "features", "seqs.st_nucl.pl_454.b2g.dat"))
assert os.path.exists(os.path.join(project_dir, "annotations", "features", "seqs.st_nucl.pl_454.b2g.annot"))
do_analysis(project_settings=settings_path, kind="annotate_gos", silent=True)
do_analysis(project_settings=settings_path, kind="annotation_stats", silent=True)
stats_fpath = join(project_dir, "annotations", "features", "stats", "seqs.st_nucl.pl_454.txt")
result = open(stats_fpath).read()
expected = """Sequences with GOs: 1
Number of GOs: 10"""
assert expected in result
def bamsam_converter(input_fhand, output_fhand, java_conf=None):
'Converts between sam and bam'
picard_path = guess_jar_dir('SortSam.jar', java_conf)
picard_jar = os.path.join(picard_path, 'SamFormatConverter.jar')
cmd = java_cmd(java_conf)
cmd.extend(['-jar', picard_jar, 'INPUT=' + input_fhand,
'OUTPUT=' + output_fhand])
call(cmd, raise_on_error=True, add_ext_dir=False)
def create_picard_dict(reference_fpath, java_conf=None):
'It creates a picard dict if if it does not exist'
dict_path = os.path.splitext(reference_fpath)[0] + '.dict'
if os.path.exists(dict_path):
return
picard_path = guess_jar_dir('SortSam.jar', java_conf)
picard_jar = os.path.join(picard_path, 'CreateSequenceDictionary.jar')
cmd = ['java', '-jar', picard_jar,
'R=%s' % reference_fpath,
'O=%s' % dict_path]
call(cmd, raise_on_error=True, add_ext_dir=False)
def test_go_annotator():
'It test the go annotator'
blast = open(os.path.join(TEST_DATA_DIR, 'blastResult.xml'))
prop_fpath = os.path.join(TEST_DATA_DIR, 'b2gPipe.properties')
b2gpipe_bin = os.path.join(guess_jar_dir('blast2go.jar'),
'blast2go.jar')
fhand, annot_fpath = tempfile.mkstemp()
os.close(fhand)
if not b2gpipe_bin:
print "Do not run b2gppe tests, blast2go jar file not found "
return
b2gpipe_runner(blast, annot_fpath, b2gpipe_bin, prop_fpath=prop_fpath)
blast2go = annot_fpath
go_annotator = create_go_annotator(blast2go)
seq = SeqWithQuality(name='seq1', seq=Seq('aaaa'))
go_annotator(seq)
assert 'GO:0009853' in seq.annotations['GOs']
os.remove(annot_fpath)
def test_run_b2g4pipe():
'It test the runner of b2g4pipe'
blast = open(os.path.join(TEST_DATA_DIR, 'blast2.xml'))
fhand, annot_fpath = tempfile.mkstemp()
os.close(fhand)
fhand, dat_fpath = tempfile.mkstemp()
os.close(fhand)
prop_fpath = os.path.join(TEST_DATA_DIR, 'b2gPipe.properties')
b2gpipe_bin = os.path.join(guess_jar_dir('blast2go.jar'),
'blast2go.jar')
if not b2gpipe_bin:
print "Do not run b2gppe tests, blast2go jar file not found "
return
b2gpipe_runner(blast, annot_fpath, b2gpipe_bin, prop_fpath, dat_fpath)
assert os.path.exists(annot_fpath)
assert os.path.exists(dat_fpath)
os.remove(annot_fpath)
os.remove(dat_fpath)
def realign_bam(bam_fpath, reference_fpath, out_bam_fpath, java_conf=None,
threads=False, tmp_dir=None):
'It realigns the bam using GATK Local realignment around indels'
#reference sam index
create_sam_reference_index(reference_fpath)
#reference picard dict
create_picard_dict(reference_fpath, java_conf=java_conf)
#bam index
create_bam_index(bam_fpath)
#the intervals to realign
gatk_path = guess_jar_dir('GenomeAnalysisTK.jar', java_conf)
gatk_jar = os.path.join(gatk_path, 'GenomeAnalysisTK.jar')
intervals_fhand = tempfile.NamedTemporaryFile(suffix='.intervals')
cmd = java_cmd(java_conf=java_conf)
cmd.extend(['-jar', gatk_jar, '-T', 'RealignerTargetCreator',
'-I', bam_fpath, '-R', reference_fpath, '-o', intervals_fhand.name])
#according to GATK this is experimental, so it might be a good idea to
#do it in just one thread. In version 1.0.4498. This options is removed
# so parallel = False
parallel = False
if parallel and threads and threads > 1:
cmd.extend(['-nt', str(get_num_threads(threads))])
call(cmd, raise_on_error=True, add_ext_dir=False)
#the realignment itself
unsorted_bam = NamedTemporaryFile(suffix='.bam')
cmd = java_cmd(java_conf=java_conf)
cmd.extend(['-Djava.io.tmpdir=%s' % tempfile.gettempdir(),
'-jar', gatk_jar, '-I', bam_fpath, '-R', reference_fpath,
'-T', 'IndelRealigner', '-targetIntervals', intervals_fhand.name,
'-o', unsorted_bam.name])
if parallel and threads and threads > 1:
cmd.extend(['-nt', str(get_num_threads(threads))])
call(cmd, raise_on_error=True, add_ext_dir=False)
# now we have to realign the bam
sort_bam_sam(unsorted_bam.name, out_bam_fpath, java_conf=java_conf,
tmp_dir=tmp_dir)
def sort_bam_sam(in_fpath, out_fpath, sort_method='coordinate',
java_conf=None, tmp_dir=None, strict_validation=True):
'It sorts a bam file using picard'
picard_path = guess_jar_dir('SortSam.jar', java_conf)
picard_sort_jar = os.path.join(picard_path, 'SortSam.jar')
java_cmd_ = java_cmd(java_conf)
java_cmd_.extend(['-jar', picard_sort_jar, 'INPUT=' + in_fpath,
'OUTPUT=' + out_fpath, 'SORT_ORDER=' + sort_method])
if not strict_validation:
java_cmd_.append('VALIDATION_STRINGENCY=LENIENT')
if tmp_dir:
java_cmd_.append('TMP_DIR=%s' % tmp_dir)
stdout, stderr, retcode = call(java_cmd_, raise_on_error=False, add_ext_dir=False)
err_msg = 'No space left on device'
if retcode and (err_msg in stdout or err_msg in stderr):
raise RuntimeError('Picard sort consumed all space in device.' + stderr)
elif retcode:
msg = 'Error running picard: %s\n stderr: %s\n stdout: %s' % \
(' '.join(java_cmd_), stderr,
stdout)
raise RuntimeError(msg)
