def main():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="This script removes all duplicate sequences from a list of fasta "
"files and writes the remaining sequences back out as a fasta file."
"\n\n"
"If desired, a regular expression can be given for \"lower precedence\" "
"sequence identifiers. An example of using this precedence operator "
"is in removing duplicate sequences from a fasta file which combines "
"de novo assembled transcripts and annotated ones. In case a de novo "
"transcript matches an annotated one, we would prefer to keep only "
"the annotated transcript and identifier. Thus, we would pass an RE "
"matching the de novo assembled identifiers (which have a lower precedence)."
"\n\n"
"If a precedence re is not given, or two identifiers have the same "
"precedence, the first identifier encountered will be kept.")
parser.add_argument('fasta', help="The input fasta file(s)", nargs='+')
parser.add_argument('-o', '--out', help="The output (fasta[.gz]) file",
required=True)
parser.add_argument('--compress', help="If this flag is given, then the output "
"will be gzipped.", action='store_true')
parser.add_argument('-l', '--lower-precedence-re', help="A regular expression "
"that matches the identifiers of lower precendence transcripts. (See the "
"description for more details.)", default=default_lower_precedence_re)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
files = '\n'.join(args.fasta)
msg = "Found the following files from the command line: {}".format(files)
logger.info(msg)
fastx_utils.remove_duplicate_sequences(args.fasta, args.out, compress=args.compress,
lower_precedence_re=args.lower_precedence_re, progress_bar=True)
def main():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="This script filters bam A by the read ids in bam B. In "
"particular, only the reads in A with ids *which appear* in B are kept.")
parser.add_argument('bam_a', help="The bam file to filter")
parser.add_argument('bam_b', help="The bam file whose ids will be kept in A")
parser.add_argument('bam_out', help="The output (bam) file")
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
msg = "Reading identifiers from B"
logger.info(msg)
ids_to_keep = bam_utils.get_read_identifiers(args.bam_b)
msg = "Filtering reads from A which do not appear in B"
logger.info(msg)
with ExitStack() as stack:
bam_a = stack.enter_context(bam_utils.get_pysam_alignment_file(args.bam_a))
bam_out = stack.enter_context(bam_utils.get_pysam_alignment_file(
args.bam_out, "wb", template=bam_a))
for read in bam_a.fetch():
if read.query_name in ids_to_keep:
bam_out.write(read)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script removes all reads with multiple alignments from a bam file. "
"It then sorts and indexes the reads.")
parser.add_argument('align_in', help="The input alignment file")
parser.add_argument(
'align_out',
help="The output alignment file with multimappers removed")
parser.add_argument(
'--tmp',
help="The path where temporary files for samtools sort will "
"be stored. If not given, then the samtools default tmp choice will be used.",
default=default_tmp)
parser.add_argument('--do-not-call', action='store_true')
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
call = not args.do_not_call
bam_utils.remove_multimapping_reads(args.align_in,
args.align_out,
call=call,
tmp=args.tmp)
def parse_arguments() -> argparse.Namespace:
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=__doc__)
parser.add_argument('config',
help="The path to the yaml configuration "
"file.")
parser.add_argument('--chunk-size',
type=int,
default=100,
help="The size "
"of chunks for parallelization")
parser.add_argument(
'--num-notes',
type=int,
default=None,
help="The "
"number of notes to read in. This is mostly for debugging purposes.")
dask_utils.add_dask_options(parser)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
return args
def main():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="This script replaces all score and color values in bed files with "
"'0'. It applies this to all bed files in the current directory.")
parser.add_argument('--no-ask', help="By default, the program will ask to replace "
"the values for each bed file. If this flag is given, then the asking will be "
"skipped.", action='store_true')
parser.add_argument('--bed-extensions', help="The extensions to treat as "
"bed files", nargs='+', default=default_bed_extensions)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
ask = not args.no_ask
for bed_extension in args.bed_extensions:
re = "*{}".format(bed_extension)
bed_files = glob.glob(re)
for bed_file in bed_files:
print("fix: {}".format(bed_file))
if (not ask) or fix_bed(bed_file):
bed = bed_utils.read_bed(bed_file)
bed['score'] = 0
bed['color'] = 0
bed_utils.write_bed(bed, bed_file)
def main():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="This script counts the number of reads in the given fastq "
"(possibly gzipped) files.")
parser.add_argument('files', help="A glob-style re giving the filenames",
nargs='+')
parser.add_argument('-o', '--out', help="A (csv.gz) output file", required=True)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
datasets = []
read_counts = []
for f in args.files:
msg = "Processing file: {}".format(f)
logger.info(msg)
read_count = fastx_utils.get_read_count(f, is_fasta=False)
datasets.append(pyllars.utils.get_basename(f))
read_counts.append(read_count)
df = pd.DataFrame()
df['dataset'] = datasets
df['reads'] = read_counts
msg = "Writing data frame to disk"
logger.info(msg)
pd_utils.write_df(df, args.out, index=False)
def main():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="This script splits BED12+ files into a BED6+ file. Each block "
"(i.e., exon) in the original file is an individual feature in the new file. "
"There are two extra fields, exon_index and transcript_start, which give the "
"index of the exon within its transcript and the start of the exon in the "
"\"spliced\" version of the transcript. The \"id\" column in the original file "
"is used as the \"id\" in the new file, so the exons can easily be grouped.")
parser.add_argument('bed', help="The BED12+ file")
parser.add_argument('out', help="The output BED6+2 file")
parser.add_argument('-p', '--num-cpus', help="The number of CPUs to use",
type=int, default=default_num_cpus)
parser.add_argument('--num-groups', help="The number of groups to split the "
"bed file into for parallelization", type=int, default=default_num_groups)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
msg = "Reading BED12+ file"
logger.info(msg)
bed = bed_utils.read_bed(args.bed)
msg = "Splitting blocks"
logger.info(msg)
exons = parallel.apply_parallel_split(
bed,
args.num_cpus,
#bio.split_bed12_blocks,
split_all_blocks,
progress_bar=True,
num_groups = args.num_groups
)
msg = "Merging exons into a data frame"
logger.info(msg)
#exons = utils.flatten_lists(exons)
#exons = pd.DataFrame(exons)
exons = pd.concat(exons)
fields = bed_utils.bed6_field_names + ['exon_index', 'transcript_start']
exons = exons[fields]
msg = "Writing BED6+2 file"
logger.info(msg)
bed_utils.write_bed(exons, args.out)
def parse_arguments() -> argparse.Namespace:
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=__doc__)
parser.add_argument('config',
help="The path to the yaml configuration "
"file.")
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
return args
def main():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="Remove duplicate entries from a list of bed12+ files. "
"Write the non-redundant entries to a new file. Precedence among "
"duplicates is arbitrary.")
parser.add_argument('bed', help="The input bed file(s)", nargs='+')
parser.add_argument('-o', '--out', help="The output bed(.gz) file",
required=True)
parser.add_argument('--compress', help="If this flag is given, the output "
"will be gzipped. The output filename *will not* be changed (so it "
"should already end in \".gz\").", action='store_true')
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
msg = "Reading bed files"
logger.info(msg)
all_bed = [
bed_utils.read_bed(b) for b in args.bed
]
for f, b in zip(args.bed, all_bed):
msg = "{}. number of entities: {}".format(f, len(b))
logger.debug(msg)
msg = "Concatenating bed entries"
logger.info(msg)
all_bed_df = pd.concat(all_bed)
msg = "Removing duplicate entries"
logger.info(msg)
all_bed_df = all_bed_df.drop_duplicates(subset=DUPLICATE_FIELDS)
msg = "number of non-redundant entries: {}".format(len(all_bed_df))
logger.debug(msg)
msg = "Sorting non-redundant entries"
logger.info(msg)
sort_fields = ['seqname', 'start', 'end', 'strand']
all_bed_df = all_bed_df.sort_values(by=sort_fields)
msg = "Writing sorted, non-redundant entries to disk"
logger.info(msg)
bed_utils.write_bed(all_bed_df, args.out, compress=args.compress)
def main():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="This script counts the number of uniquely- and multi-mapping "
"reads in a list of bam files.")
parser.add_argument('files', help="A glob-style re giving the filenames",
nargs='+')
parser.add_argument('-o', '--out', help="A (csv.gz) output file", required=True)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
datasets= []
aligned_reads = []
uniquely_aligned_reads = []
for f in args.files:
msg = "Processing file: {}".format(f)
logger.info(msg)
num_aligned_reads = bam_utils.count_aligned_reads(f)
num_uniquely_aligned_reads = bam_utils.count_uniquely_mapping_reads(f)
datasets.append(pyllars.utils.get_basename(f))
aligned_reads.append(num_aligned_reads)
uniquely_aligned_reads.append(num_uniquely_aligned_reads)
msg = "Constructing data frame"
logger.info(msg)
df = pd.DataFrame()
df['dataset'] = datasets
df['aligned_reads'] = aligned_reads
df['uniquely_aligned_reads'] = uniquely_aligned_reads
df['multimapping_reads'] = df['aligned_reads'] - df['uniquely_aligned_reads']
msg = "Writing data frame to disk"
logger.info(msg)
pd_utils.write_df(df, args.out, index=False)
def parse_arguments() -> argparse.Namespace:
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=__doc__
)
parser.add_argument('config', help="The path to the yaml configuration "
"file.")
parser.add_argument('--seed', type=int, default=8675309, help="The seed "
"for the random number generator")
parser.add_argument('--chunk-size', type=int, default=100, help="The size "
"of chunks for parallelization")
dask_utils.add_dask_options(parser)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
return args
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script removes duplicate reads from paired-end fastq files. "
"It only treats exact matches as duplicates (i.e., if reads are of different "
"lengths, it does not consider exact substring matches as duplicates). The "
"duplicate with the highest average quality score is retained.\n\nThis script "
"is not designed to work with fasta files.")
parser.add_argument('fastq_1', help="The first mate file")
parser.add_argument('fastq_2', help="The second mate file")
parser.add_argument('out_1', help="The de-duped first mate file")
parser.add_argument('out_2', help="The de-duped second mate file")
parser.add_argument(
'--do-not-compress',
help="Unless this flag is given, the "
"output will be gzipped. N.B. \".gz\" *will not* be adde to the file names.",
action='store_true')
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
compress = not args.do_not_compress
msg = "Counting reads in each file"
logger.info(msg)
# we will use the counts for displaying a progress bar
num_reads_1 = fastx_utils.get_read_count(args.fastq_1, is_fasta=False)
num_reads_2 = fastx_utils.get_read_count(args.fastq_2, is_fasta=False)
# but avoid errors by making sure the counts match
if num_reads_1 != num_reads_2:
msg = "The number of reads in the files do not match ({} vs. {})".format(
num_reads_1, num_reads_2)
raise ValueError(msg)
msg = "Creating read iterators"
logger.info(msg)
fastq_1_iter = fastx_utils.get_read_iterator(args.fastq_1, is_fasta=False)
fastq_2_iter = fastx_utils.get_read_iterator(args.fastq_2, is_fasta=False)
fastq_iter = zip(fastq_1_iter, fastq_2_iter)
msg = "Detecting duplicates"
logger.info(msg)
seen_reads = {}
for r1, r2 in tqdm.tqdm(fastq_iter, total=num_reads_1):
r_key = (r1[1], r2[1])
prev_val = seen_reads.get(r_key, None)
if prev_val is None:
srp = stored_read_pair(r1_name=r1[0],
r2_name=r2[0],
r1_qual=r1[2],
r2_qual=r2[2])
seen_reads[r_key] = srp
else:
new_qual_score = sum(r1[2].encode()) + sum(r1[2].encode())
prev_qual_score = (sum(prev_val.r1_qual.encode()) +
sum(prev_val.r2_qual.encode()))
if new_qual_score > prev_qual_score:
srp = stored_read_pair(r1_name=r1[0],
r2_name=r2[0],
r1_qual=r1[2],
r2_qual=r2[2])
seen_reads[r_key] = srp
msg = "Writing the de-duped files to disk"
logger.info(msg)
with ExitStack() as stack:
out_1 = pyllars.utils.open_file(args.out_1, 'w', compress=compress)
out_2 = pyllars.utils.open_file(args.out_2, 'w', compress=compress)
for (seqs, srp) in tqdm.tqdm(seen_reads.items()):
fastx_utils._write_fastq_entry(out_1, srp.r1_name, seqs[0],
srp.r1_qual)
fastx_utils._write_fastq_entry(out_2, srp.r2_name, seqs[1],
srp.r2_qual)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script creates a report for a list of Entrez or Entrez "
"gene identifiers. In particular, it extracts information from Swiss-Prot, "
"TrEMBL, Interpro, PDB, Pfam, PROSITE, the Gene Ontology, and KEGG. It uses "
"the mygene.info service to collect the annotations.")
parser.add_argument('filename', help="The name of the file")
parser.add_argument(
'out',
help="The output file. It will contain the same information "
"as the input file with the gene annotations appended as new columns. The format "
"is the same as the input format.")
parser.add_argument(
'-f',
'--filetype',
help="The format of the input file. By default, "
"the format will be guessed based on the file extension.",
choices=filetype_choices,
default=default_filetype)
parser.add_argument('--sep',
help="The spearator in the file (if csv)",
default=default_sep)
parser.add_argument(
'-s',
'--sheet',
help="The name of the sheet (for excel files) "
"or key (for hdf5 files) from which the gene list is extracted. By default, the "
"first sheet in an excel file is used. This argument is not used for csv files.",
default=default_sheet)
parser.add_argument(
'-c',
'--column',
help="The name of the column (or key in hdf5) "
"from which the gene list is extracted. By default, the first column in the "
"extracted data frame is used.",
default=default_column)
parser.add_argument(
'--do-not-compress',
help="If this flag is present and the file "
"is in csv format, then the output will not be compressed. By default, the output "
"is compressed.",
action='store_true')
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
msg = "Reading the file"
logger.info(msg)
df = pd_utils.read_df(args.filename,
filetype=args.filetype,
sheet=args.sheet,
sep=args.sep)
msg = "Extracting gene identifiers"
logger.info(msg)
if args.column is None:
args.column = df.columns[0]
gene_ids = df[args.column]
msg = "Pulling information from mygene.info"
logger.info(msg)
res_df = mygene_utils.query_mygene(gene_ids)
msg = "Joining results to original input"
logger.info(msg)
res_df = df.merge(res_df,
left_on=args.column,
right_on='gene_id',
how='inner')
msg = "Writing output"
logger.info(msg)
pd_utils.write_df(res_df,
args.out,
filetype=args.filetype,
sheet=args.sheet,
do_not_compress=args.do_not_compress,
index=False)
msg = "Finished"
logger.info(msg)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description="This script counts the number of unique reads in the "
"given files, all of which must be the same type. In the case of bam "
"files, it only counts primary alignments (so it does not "
"double-count multimappers, and it does not include unmapped reads "
"present in the file.")
parser.add_argument('files',
help="The fasta, fastq or bam files",
nargs='+')
parser.add_argument('-o',
'--out',
help="The (csv.gz) output file "
"containing the lengths and counts",
required=True)
parser.add_argument(
'-f',
'--file-type',
help="The type of the files. All "
"files must be of the same type. If the \"AUTO\" file type is given, "
"then the type will be guessed on the extension of the first file "
"using the following heuristic: \"bam\" if the extension is\".bam\" "
"or \".sam\"; "
"\"fastq\" if the extension is \"fastq\", \"fastq.gz\", \"fq\", or "
"\"fq.gz\"; \"fasta\" otherwise.",
choices=file_type_choices,
default=default_file_type)
parser.add_argument('-p',
'--num-cpus',
help="The number of CPUs to use",
type=int,
default=default_num_cpus)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
if args.file_type == "AUTO":
args.file_type = guess_file_type(args.files[0])
msg = "The guessed file type is: {}".format(args.file_type)
logger.info(msg)
# grab the correct function pointer
get_length_distribution = file_type_get_length_distribution[args.file_type]
msg = "Collecting all read length distributions"
logger.info(msg)
all_length_distribution_dfs = parallel.apply_parallel_iter(
args.files, args.num_cpus, get_length_distribution, progress_bar=True)
msg = "Combining data frames into one large df"
logger.info(msg)
length_distribution_df = pd.concat(all_length_distribution_dfs)
msg = "Writing counts to disk"
logger.info(msg)
pd_utils.write_df(length_distribution_df, args.out, index=False)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script converts a GTF file to a BED12 file. In particular, "
"it creates bed entries based on the exon features and transcript_id field. "
"It uses the CDS regions to determine the \"thick_start\" and \"thick_end\" "
"features of the BED12 file.")
parser.add_argument('gtf', help="The GTF file")
parser.add_argument('out', help="The (output) BED12 file")
parser.add_argument(
'--chr-name-file',
help="If this file is given, then the "
"bed entries will be sorted according to the order of seqnames in this "
"file. Presumably, this is the chrName.txt file from STAR.",
default=default_chr_name_file)
parser.add_argument('--exon-feature',
help="The name of features which are "
"treated as exons",
default=default_exon_feature)
parser.add_argument('--cds-feature',
help="The name of features which are "
"treated as CDSs",
default=default_cds_feature)
parser.add_argument('-p',
'--num-cpus',
help="The number of CPUs to use",
type=int,
default=default_num_cpus)
parser.add_argument('-g',
'--num-groups',
help="The number of groups to split "
"into for parallelization",
type=int,
default=default_num_groups)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
msg = "Reading GTF file"
logger.info(msg)
gtf = gtf_utils.read_gtf(args.gtf)
msg = "Extracting exon and CDS features"
logger.info(msg)
m_exons = gtf['feature'] == args.exon_feature
m_cds = gtf['feature'] == args.cds_feature
exons = gtf[m_exons].copy()
cds_df = gtf[m_cds].copy()
msg = "Extracting CDS transcript ids"
logger.info(msg)
cds_transcript_ids = parallel.apply_parallel_split(
cds_df,
args.num_cpus,
get_transcript_ids,
progress_bar=True,
num_groups=args.num_groups)
cds_transcript_ids = collection_utils.flatten_lists(cds_transcript_ids)
cds_df['transcript_id'] = cds_transcript_ids
msg = "Calculating CDS genomic start and end positions"
logger.info(msg)
cds_groups = cds_df.groupby('transcript_id')
# we subtract 1 from start because gtf is 1-based
cds_min_starts = cds_groups['start'].min()
cds_start_df = pd.DataFrame()
cds_start_df['id'] = cds_min_starts.index
cds_start_df['cds_start'] = cds_min_starts.values - 1
# we do not subtract 1 from end because bed is "open" on the end
cds_max_end = cds_groups['end'].max()
cds_end_df = pd.DataFrame()
cds_end_df['id'] = cds_max_end.index
cds_end_df['cds_end'] = cds_max_end.values
msg = "Extracting exon transcript ids"
logger.info(msg)
exon_transcript_ids = parallel.apply_parallel_split(
exons,
args.num_cpus,
get_transcript_ids,
progress_bar=True,
num_groups=args.num_groups)
exon_transcript_ids = collection_utils.flatten_lists(exon_transcript_ids)
exons['transcript_id'] = exon_transcript_ids
exons['length'] = exons['end'] - exons['start'] + 1
exons['length'] = exons['length'].astype(str)
# store these for sorting later
transcript_ids = np.array(exons['transcript_id'])
msg = "Combining exons into BED12 entries"
logger.info(msg)
exons = exons.sort_values('start')
exon_groups = exons.groupby('transcript_id')
bed12_df = parallel.apply_parallel_groups(exon_groups,
args.num_cpus,
get_bed12_entry,
progress_bar=True)
bed12_df = pd.DataFrame(bed12_df)
msg = "Joining BED12 entries to CDS information"
logger.info(msg)
bed12_df = bed12_df.merge(cds_start_df, on='id', how='left')
bed12_df = bed12_df.merge(cds_end_df, on='id', how='left')
bed12_df = bed12_df.fillna(-1)
bed12_df['thick_start'] = bed12_df['cds_start'].astype(int)
bed12_df['thick_end'] = bed12_df['cds_end'].astype(int)
msg = "Sorting BED12 entries"
logger.info(msg)
# We will break ties among transcripts by the order they appear
# in the GTF file. This is the same way star breaks ties.
bed12_df = bed_utils.sort(bed12_df,
seqname_order=args.chr_name_file,
transcript_ids=transcript_ids)
msg = "Writing BED12 to disk"
logger.info(msg)
bed_utils.write_bed(bed12_df[bed_utils.bed12_field_names], args.out)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script converts the CCDS text files distributed by NCBI to "
"valid BED12 files for use with other programs. Please see "
"ftp://ftp.ncbi.nlm.nih.gov/pub/CCDS/README, \"CCDS.[YearMonthDay].txt\" for "
"more information.")
parser.add_argument('ccds', help="The CCDS.txt file downloaded from NCBI")
parser.add_argument('out', help="The output bed.gz file")
parser.add_argument('-i',
'--ignore',
help="The ccds_status entries to ignore.",
default=default_ccds_status_to_ignore,
nargs='*')
parser.add_argument('-p',
'--num-cpus',
help="The number of processors to use "
"for extracting the exon information",
type=int,
default=default_num_cpus)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
msg = "Reading CCDS file"
logger.info(msg)
ccds_df = pd.read_csv(args.ccds, sep='\t')
msg = "Copying simple values to BED"
logger.info(msg)
ccds_bed = pd.DataFrame()
ccds_bed['seqname'] = ccds_df['#chromosome']
ccds_bed['start'] = ccds_df['cds_from']
ccds_bed['end'] = ccds_df['cds_to']
ccds_bed['id'] = ccds_df['gene'] + ":" + ccds_df['ccds_id']
ccds_bed['score'] = 0
ccds_bed['strand'] = ccds_df['cds_strand']
ccds_bed['thick_start'] = ccds_df['cds_from']
ccds_bed['thick_end'] = ccds_df['cds_to']
ccds_bed['color'] = 0
msg = "Converting CCDS exons into BED12 blocks"
logger.info(msg)
cds_exon_info = parallel.apply_parallel(ccds_df,
args.num_cpus,
parse_cds_locations,
args,
progress_bar=True)
cds_exon_info = [cei for cei in cds_exon_info if cei is not None]
cds_exon_df = pd.DataFrame(cds_exon_info)
msg = "Merging simple values and blocks"
logger.info(msg)
ccds_bed = ccds_bed.merge(cds_exon_df, on='id')
# put the columns in the correct order
ccds_bed = ccds_bed[bio.bed12_field_names]
msg = "Writing the BED file"
logger.info(msg)
bed_utils.write_bed(ccds_bed, args.out)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script removes all of the entries from A which overlap "
"any of the entries from B. Optionally, some minimum overlap can be "
"given, in terms of overlap fraction.")
parser.add_argument('bed_a',
help="The bed file from which entries will be "
"removed")
parser.add_argument('bed_b',
help="The bed file used to find entries in A "
"to remove")
parser.add_argument('out', help="The output (bed.gz) file")
parser.add_argument(
'--min-a-overlap',
help="A minimum fraction required "
"for overlap of the A entries. \"0\" means \"at least one bp.\"",
type=float,
default=default_min_a_overlap)
parser.add_argument(
'--min-b-overlap',
help="A minimum fraction required "
"for overlap of the B entries. \"0\" means \"at least one bp.\"",
type=float,
default=default_min_b_overlap)
parser.add_argument(
'--split',
help="If this flag is given, then the bed "
"entries in both files will be split. This can be somewhat slow, "
"depending on the number of entries in the files.",
action='store_true')
parser.add_argument(
'--exons',
help="If the bed entries have already been "
"split and the exon bed6+2 file (from split-bed12-blocks program) is "
"available, then that can be given with this option. The exons from "
"that file will be used for both A and B.",
default=None)
parser.add_argument('--exons-a',
help="As with the --exons argument, but "
"these exons will only be used for A",
default=None)
parser.add_argument('--exons-b',
help="As with the --exons argument, but "
"these exons will only be used for B",
default=None)
parser.add_argument('-p',
'--num-cpus',
help="The number of CPUs to use for "
"certain parts of the script",
type=int,
default=default_num_cpus)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
exons_given = args.exons is not None
exons_a_given = args.exons_a is not None
exons_b_given = args.exons_b is not None
# check if the exons files exist
if exons_given and (not os.path.exists(args.exons)):
msg = "The exons file does not exist: {}".format(args.exons)
raise FileNotFoundError(msg)
if exons_a_given and (not os.path.exists(args.exons_a)):
msg = "The exons_a file does not exist: {}".format(args.exons_a)
raise FileNotFoundError(msg)
if exons_b_given and (not os.path.exists(args.exons_b)):
msg = "The exons_b file does not exist: {}".format(args.exons_b)
raise FileNotFoundError(msg)
exons_a_only = exons_a_given and not exons_b_given
exons_b_only = not exons_a_given and exons_b_given
if exons_a_only or exons_b_only:
msg = ("Only one of --exons-a, --exons-b was given. This is valid, "
"but please ensure this is the desired behavior.")
logger.warning(msg)
# make sure we weren't given contradictory flags
if args.split and exons_given:
msg = "Both --split and --exons were given. Only one of these is allowed."
raise ValueError(msg)
if exons_given and (exons_a_given or exons_b_given):
msg = (
"Both --exons and (--exons-a or --exons-b) were given. --exons "
"should not be given with the --exons-a and --exons-b arguments.")
raise ValueError(msg)
exons = None
exons_a = None
exons_b = None
msg = "Reading bed A"
logger.info(msg)
bed_a = bed_utils.read_bed(args.bed_a)
msg = "Reading bed B"
logger.info(msg)
bed_b = bed_utils.read_bed(args.bed_b)
if args.split:
msg = "Splitting bed A"
logger.info(msg)
exons_a = parallel.apply_parallel_split(bed_a,
args.num_cpus,
split_all_blocks,
progress_bar=True,
num_groups=args.num_groups)
exons_a = pd.concat(exons_a)
msg = "Splitting bed B"
logger.info(msg)
exons_b = parallel.apply_parallel_split(bed_b,
args.num_cpus,
split_all_blocks,
progress_bar=True,
num_groups=args.num_groups)
exons_b = pd.concat(exons_b)
if exons_given:
msg = "Reading exons"
logger.info(msg)
exons = bed_utils.read_bed(args.exons)
if exons_a_given:
msg = "Reading A exons"
logger.info(msg)
exons_a = bed_utils.read_bed(args.exons_a)
if exons_b_given:
msg = "Reading B exons"
logger.info(msg)
exons_b = bed_utils.read_bed(args.exons_b)
msg = "Finding all A entries which overlap B entries"
logger.info(msg)
remaining_a_ids = bed_utils.subtract_bed(bed_a,
bed_b,
min_a_overlap=args.min_a_overlap,
min_b_overlap=args.min_b_overlap,
exons=exons,
exons_a=exons_a,
exons_b=exons_b)
msg = "Filtering the A entries which had overlaps"
logger.info(msg)
m_remaining = bed_a['id'].isin(remaining_a_ids)
bed_a_remaining = bed_a[m_remaining]
msg = "Writing remaining A entries to disk"
logger.info(msg)
bed_utils.write_bed(bed_a_remaining, args.out)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script merges either the exons or CDS regions of all transcript "
"isoforms into a single \"super gene isoform\". It does this based on the given "
"GTF feature type and attribute (with defaults \"CDS\" and \"gene_id\", respectively)."
)
parser.add_argument('gtf', help="The GTF file")
parser.add_argument('out', help="The output (merged) GTF file")
parser.add_argument('--feature-type',
help="The type of features to merge",
default=default_feature_type)
parser.add_argument('--group-attribute',
help="The attribute by which the features "
"will be merged",
default=default_group_attribute)
parser.add_argument('--id-format-str',
help="The python format string to "
"use for creating the \"transcript\" identifiers",
default=default_id_format_str)
parser.add_argument(
'--chr-name-file',
help="If this file is specified, it will "
"be used to determine the seqname sort order. This should be the "
"\"chrName.txt\" file created by STAR. If not present, the transcripts "
"will be sorted alphabetically (1, 10, 11, 2, ..., KL568162.1, MT, X, Y).",
default=default_chr_name_file)
parser.add_argument(
'--add-exons',
help="If this flag is given, then all features will "
"be duplicated, but with the feature type \"exon\". Presumably, this should be given "
"when \"CDS\" features are merged, and the resulting GTF file will be used by STAR "
"(or anything else expecting \"exon\"s).",
action='store_true')
parser.add_argument(
'-g',
'--num-groups',
help="The number of groups into which to split "
"the features. More groups means the progress bar is updated more frequently but incurs "
"more overhead because of the parallel calls.",
type=int,
default=default_num_groups)
slurm.add_sbatch_options(parser)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
if args.use_slurm:
cmd = ' '.join(sys.argv)
slurm.check_sbatch(cmd, args=args)
return
msg = "Reading GTF file"
logger.info(msg)
gtf_df = gtf_utils.read_gtf(args.gtf)
msg = "Extracting desired features"
logger.info(msg)
m_feature_type = gtf_df['feature'] == args.feature_type
gtf_feature_df = gtf_df[m_feature_type]
msg = "Parsing GTF attributes"
logger.info(msg)
attributes = parallel.apply_parallel_split(gtf_feature_df,
args.num_cpus,
parse_attributes_group,
progress_bar=True,
num_groups=args.num_groups)
attributes_df = pd.concat(attributes)
attributes_df['end'] = attributes_df['end'].astype(int)
attributes_df['start'] = attributes_df['start'].astype(int)
msg = "Merging isoforms"
logger.info(msg)
gene_features = attributes_df.groupby(args.group_attribute)
merged_genes = parallel.apply_parallel_groups(gene_features,
args.num_cpus,
merge_gene_group,
args.group_attribute,
args.id_format_str,
progress_bar=True)
merged_genes_df = pd.concat(merged_genes)
if args.add_exons:
merged_exons = merged_genes_df.copy()
merged_exons['feature'] = 'exon'
merged_genes_df = pd.concat([merged_exons, merged_genes_df])
merged_genes_df['start'] = merged_genes_df['start'].astype(int)
# now, sort the merged isoforms
# this is a bit of a hack, because it is actually using the sorting routine
# for bed data frames
# we need a dummy 'id' column for sorting, so just use the attributes
merged_genes_df['id'] = merged_genes_df['attributes']
merged_genes_df = bed_utils.sort(merged_genes_df,
seqname_order=args.chr_name_file)
# last, drop duplicate rows
fields = ['seqname', 'source', 'feature', 'start', 'end', 'strand']
merged_genes_df = merged_genes_df.drop_duplicates(subset=fields)
gtf_utils.write_gtf(merged_genes_df, args.out, compress=False)
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=
"This script splits large chromosomes into several smaller ones. This "
"is required to use BedTools for chromosomes with size larger than about 500M. In "
"particular, this script splits chromosomal sequences into smaller chunks and "
"updates GTF annotations to use the smaller chromosomes.\n\nFor more information, "
"see https://groups.google.com/forum/#!topic/bedtools-discuss/t-nQSCxaFGE"
)
parser.add_argument('fasta', help="The chromosome sequence file")
parser.add_argument('gtf', help="The annotation file")
parser.add_argument(
'out',
help="The base output files. The script will create the "
"files <out>.fa and <out>.gtf.")
parser.add_argument('--max-size',
help="The largest allowed size (in bp) for a "
"chromosome",
type=int,
default=default_max_size)
logging_utils.add_logging_options(parser)
args = parser.parse_args()
logging_utils.update_logging(args)
msg = "Splitting fasta sequences"
logging.info(msg)
fasta = fastx_utils.get_read_iterator(args.fasta, is_fasta=True)
split_fasta = {}
for name, seq in fasta:
name_split = name.split(" ")
split_seqs = [
l
for l in iter(partial(StringIO(seq).read, int(args.max_size)), '')
]
for i, split_seq in enumerate(split_seqs):
n = name_split[0] # a bit of a hack to save the base sequence name
name_split[0] = "{}_{}".format(name_split[0], i)
split_name = ' '.join(name_split)
split_fasta[split_name] = split_seq
name_split[0] = n
msg = "Writing fasta output file"
logging.info(msg)
fasta_out = "{}.fa".format(args.out)
fastx_utils.write_fasta(split_fasta,
fasta_out,
compress=False,
progress_bar=True)
msg = "Reading GTF"
logging.info(msg)
gtf = gtf_utils.read_gtf(args.gtf)
msg = "Updating GTF coordinates"
logging.info(msg)
# get the split for each feature
start_split_num = gtf['start'] // args.max_size
end_split_num = gtf['end'] // args.max_size
# wrap the coordinates based on the max size
gtf['start'] = np.mod(gtf['start'], args.max_size)
gtf['end'] = np.mod(gtf['end'], args.max_size)
# for the names, we need them as strings without ".0" at the end
start_split_num = start_split_num.astype(int)
start_split_num = start_split_num.astype(str)
end_split_num = end_split_num.astype(int)
end_split_num = end_split_num.astype(str)
# create the start and end names
split_start_seqname = gtf['seqname'] + "_" + start_split_num
split_end_seqname = gtf['seqname'] + "_" + end_split_num
gtf['start_seqname'] = split_start_seqname
gtf['end_seqname'] = split_end_seqname
# remove features which span the gaps
m_span = gtf['start_seqname'] != gtf['end_seqname']
gtf = gtf[~m_span]
num_spanning = sum(m_span)
msg = (
"Number of features spanning length boundaries: {}.\n\nThese features "
"will be discarded.".format(num_spanning))
logging.warning(msg)
# and update the seqnames
gtf['seqname'] = gtf['start_seqname']
msg = "Writing GTF output file"
logging.info(msg)
gtf_out = "{}.gtf".format(args.out)
gtf_utils.write_gtf(gtf, gtf_out, compress=False)
