def check_species(args):
# check file type
if args['m1']:
args['file_type'] = utility.auto_detect_file_type(args['m1'])
# check database
utility.check_database(args)
# create output directories
if not os.path.isdir('%s/species' % args['outdir']):
os.makedirs('%s/species' % args['outdir'])
# check word size
if args['word_size'] < 12:
sys.exit(
"\nError: Invalid word size: %s. Must be greater than or equal to 12\n"
% args['word_size'])
# check mapping identity
if args['mapid'] and (args['mapid'] < 0 or args['mapid'] > 100):
sys.exit(
"\nError: Invalid mapping identity: %s. Must be between 0 and 100\n"
% args['mapid'])
# check alignment coverage
if args['aln_cov'] < 0 or args['aln_cov'] > 1:
sys.exit(
"\nError: Invalid alignment coverage: %s. Must be between 0 and 1\n"
% args['aln_cov'])
# check that m1 (and m2) exist
for arg in ['m1', 'm2']:
if args[arg] and not os.path.isfile(args[arg]):
sys.exit("\nError: Input file does not exist: '%s'\n" % args[arg])
# check that extention matches compression
if args['m1']: utility.check_compression(args['m1'])
if args['m2']: utility.check_compression(args['m2'])
def check_snps(args):
""" Check validity of command line arguments """
# check file type
if args['m1']:
args['file_type'] = utility.auto_detect_file_type(args['m1'])
# check database
utility.check_database(args)
# make sure selected species are valid
check_selected_species(args)
# create output directory
if not os.path.isdir('%s/snps' % args['outdir']):
os.makedirs('%s/snps' % args['outdir'])
# pipeline options
if not any([args['build_db'], args['align'], args['call']]):
args['build_db'] = True
args['align'] = True
args['call'] = True
# set default species selection
if not any([args['species_id'], args['species_topn'], args['species_cov']
]):
args['species_cov'] = 3.0
# species selection options, but no no profile file
profile = '%s/species/species_profile.txt' % args['outdir']
if not os.path.isfile(profile):
if (args['species_topn'] or args['species_cov']) and args['build_db']:
sys.exit("\nError: Could not find species abundance profile: %s\n\
To specify species with --species_topn or --species_cov you must have run: run_midas.py species\n\
Alternatively, you can manually specify one or more species using --species_id\n"
% profile)
# no database but --align specified
if (args['align'] and not args['build_db'] and
not os.path.isfile('%s/snps/temp/genomes.fa' % args['outdir'])):
error = "\nError: You've specified --align, but no database has been built"
error += "\nTry running with --build_db\n"
sys.exit(error)
# no bamfile but --call specified
if (args['call'] and not args['align'] and
not os.path.isfile('%s/snps/temp/genomes.bam' % args['outdir'])):
error = "\nError: You've specified --pileup, but no alignments were found"
error += "\nTry running with --align\n"
sys.exit(error)
# no genomes but --call specified
if (args['call'] and not args['build_db'] and
not os.path.isfile('%s/snps/temp/genomes.fa' % args['outdir'])):
error = "\nError: You've specified --pileup, but the no genome database was found"
error += "\nTry running with --build_db\n"
sys.exit(error)
# no reads
if args['align'] and not args['m1']:
sys.exit(
"\nError: To align reads, you must specify path to input FASTA/FASTQ\n"
)
# check input file paths
for arg in ['m1', 'm2']:
if args[arg] and not os.path.isfile(args[arg]):
sys.exit("\nError: Input file does not exist: '%s'\n" % args[arg])
# check compression
if args['m1']: utility.check_compression(args['m1'])
if args['m2']: utility.check_compression(args['m2'])
# input options
if args['m2'] and not args['m1']:
sys.exit(
"\nError: Must specify -1 and -2 if aligning paired end reads\n")
if args['m2'] and args['interleaved']:
sys.exit("\nError: Cannot specify --interleaved together with -2\n")
# sanity check input values
if args['mapid'] < 1 or args['mapid'] > 100:
sys.exit("\nError: MAPQ must be between 1 and 100\n")
if args['mapq'] < 0 or args['mapq'] > 100:
sys.exit("\nError: MAPQ must be between 0 and 100\n")
if args['baseq'] < 0 or args['baseq'] > 100:
sys.exit("\nError: BASEQ must be between 0 and 100\n")
if args['aln_cov'] < 0 or args['aln_cov'] > 1:
sys.exit("\nError: ALN_COV must be between 0 and 1\n")
