def get_parser():
epilog = """
The output is one file for each input file, <input file>.abundtrim, placed
in the current directory. This output contains the input sequences
trimmed at low-abundance k-mers.
The ``-V/--variable-coverage`` parameter will, if specified,
prevent elimination of low-abundance reads by only trimming
low-abundance k-mers from high-abundance reads; use this for
non-genomic data sets that may have variable coverage.
Note that the output reads will not necessarily be in the same order
as the reads in the input files; if this is an important consideration,
use ``load-into-counting.py`` and ``filter-abund.py``. However, read
pairs will be kept together, in "broken-paired" format; you can use
``extract-paired-reads.py`` to extract read pairs and orphans.
Example::
trim-low-abund.py -x 5e7 -k 20 -C 2 data/100k-filtered.fa
"""
parser = build_counting_args(
descr='Trim low-abundance k-mers using a streaming algorithm.',
epilog=textwrap.dedent(epilog))
parser.add_argument('input_filenames', nargs='+')
parser.add_argument('--cutoff', '-C', type=int,
help='remove k-mers below this abundance',
default=DEFAULT_CUTOFF)
parser.add_argument('--normalize-to', '-Z', type=int,
help='base cutoff on this median k-mer abundance',
default=DEFAULT_NORMALIZE_LIMIT)
parser.add_argument('-o', '--output', metavar="output_filename",
type=argparse.FileType('wb'),
help='only output a single file with '
'the specified filename; use a single dash "-" to '
'specify that output should go to STDOUT (the '
'terminal)')
parser.add_argument('--variable-coverage', '-V', action='store_true',
default=False,
help='Only trim low-abundance k-mers from sequences '
'that have high coverage.')
add_loadgraph_args(parser)
parser.add_argument('-s', '--savegraph', metavar="filename", default='',
help='save the k-mer countgraph to disk after all'
'reads are loaded.')
# expert options
parser.add_argument('--force', default=False, action='store_true')
parser.add_argument('--ignore-pairs', default=False, action='store_true')
parser.add_argument('--tempdir', '-T', type=str, default='./')
add_output_compression_type(parser)
return parser
def get_parser():
epilog = """
The output is one file for each input file, <input file>.corr, placed
in the current directory. This output contains the input sequences,
corrected at low-abundance k-mers.
Note that the output reads will not necessarily be in the same
order as the reads in the input files. However, read pairs will be
kept together, in "broken-paired" format; you can use
``extract-paired-reads.py`` to extract read pairs and orphans.
Example::
correct-reads.py -x 5e7 -k 20 -C 2 data/100k-filtered.fa
"""
parser = build_counting_args(
descr='Correct reads using a semi-streaming algorithm.',
epilog=textwrap.dedent(epilog))
parser.add_argument('input_filenames', nargs='+')
parser.add_argument('--cutoff', '-C', type=int,
help='k-mers below this abundance are not trusted',
default=DEFAULT_CUTOFF)
parser.add_argument('--normalize-to', '-Z', type=int,
help='base cutoff on this median k-mer abundance',
default=DEFAULT_NORMALIZE_LIMIT)
parser.add_argument('-o', '--out', metavar="filename",
type=argparse.FileType('w'),
default=None, help='only output a single file with '
'the specified filename; use a single dash "-" to '
'specify that output should go to STDOUT (the '
'terminal)')
parser.add_argument('--variable-coverage', '-V', action='store_true',
default=False,
help='Only correct sequences that have high coverage.')
add_loadgraph_args(parser)
parser.add_argument('-s', '--savegraph', metavar="filename", default='',
help='save the k-mer countgraph to disk after all'
'reads are loaded.')
# expert options
parser.add_argument('--force', default=False, action='store_true')
parser.add_argument('--ignore-pairs', default=False, action='store_true')
parser.add_argument('--tempdir', '-T', type=str, default='./')
parser.add_argument("--theta", dest="bits_theta", type=float, default=1.0)
return parser
def get_parser():
epilog = """
The output is one file for each input file, <input file>.corr, placed
in the current directory. This output contains the input sequences,
corrected at low-abundance k-mers.
Note that the output reads will not necessarily be in the same
order as the reads in the input files. However, read pairs will be
kept together, in "broken-paired" format; you can use
``extract-paired-reads.py`` to extract read pairs and orphans.
Example::
correct-reads.py -x 5e7 -k 20 -C 2 data/100k-filtered.fa
"""
parser = build_counting_args(
descr='Correct reads using a semi-streaming algorithm.',
epilog=textwrap.dedent(epilog))
parser.add_argument('input_filenames', nargs='+')
parser.add_argument('--cutoff', '-C', type=int,
help='k-mers below this abundance are not trusted',
default=DEFAULT_CUTOFF)
parser.add_argument('--normalize-to', '-Z', type=int,
help='base cutoff on this median k-mer abundance',
default=DEFAULT_NORMALIZE_LIMIT)
parser.add_argument('-o', '--out', metavar="filename",
type=argparse.FileType('w'),
default=None, help='only output a single file with '
'the specified filename; use a single dash "-" to '
'specify that output should go to STDOUT (the '
'terminal)')
parser.add_argument('--variable-coverage', '-V', action='store_true',
default=False,
help='Only correct sequences that have high coverage.')
add_loadgraph_args(parser)
parser.add_argument('-s', '--savegraph', metavar="filename", default='',
help='save the k-mer countgraph to disk after all'
'reads are loaded.')
# expert options
parser.add_argument('--force', default=False, action='store_true')
parser.add_argument('--ignore-pairs', default=False, action='store_true')
parser.add_argument('--tempdir', '-T', type=str, default='./')
parser.add_argument("--theta", dest="bits_theta", type=float, default=1.0)
return parser
def get_parser():
epilog = """\
Discard sequences based on whether or not their median k-mer abundance lies
above a specified cutoff. Kept sequences will be placed in <fileN>.keep.
By default, paired end reads will be considered together; if
either read should be kept, both will be kept. (This keeps both
reads from a fragment, and helps with retention of repeats.)
Unpaired reads are treated individually.
If :option:`-p`/:option:`--paired` is set, then proper pairing is required
and the script will exit on unpaired reads, although
:option:`--unpaired-reads` can be used to supply a file of orphan
reads to be read after the paired reads.
:option:`--force_single` will ignore all pairing information and treat
reads individually.
With :option:`-s`/:option:`--savegraph`, the k-mer countgraph
will be saved to the specified file after all sequences have been
processed. :option:`-l`/:option:`--loadgraph` will load the
specified k-mer countgraph before processing the specified
files. Note that these graphs are are in the same format as those
produced by :program:`load-into-counting.py` and consumed by
:program:`abundance-dist.py`.
To append reads to an output file (rather than overwriting it), send output
to STDOUT with `--output -` and use UNIX file redirection syntax (`>>`) to
append to the file.
Example::
normalize-by-median.py -k 17 tests/test-data/test-abund-read-2.fa
Example::
normalize-by-median.py -p -k 17 \\
tests/test-data/test-abund-read-paired.fa
Example::
normalize-by-median.py -p -k 17 -o - tests/test-data/paired.fq \\
>> appended-output.fq
Example::
normalize-by-median.py -k 17 -f tests/test-data/test-error-reads.fq \\
tests/test-data/test-fastq-reads.fq
Example::
normalize-by-median.py -k 17 -s test.ct \\
tests/test-data/test-abund-read-2.fa \\
tests/test-data/test-fastq-reads.fq"""
parser = build_counting_args(
descr="Do digital normalization (remove mostly redundant sequences)",
epilog=textwrap.dedent(epilog),
citations=['diginorm'])
parser.add_argument('-q',
'--quiet',
dest='quiet',
default=False,
action='store_true')
parser.add_argument('-p',
'--paired',
action='store_true',
help='require that all sequences be properly paired')
parser.add_argument('--force_single',
dest='force_single',
action='store_true',
help='treat all sequences as single-ended/unpaired')
parser.add_argument('-u',
'--unpaired-reads',
metavar="unpaired_reads_filename",
help='include a file of unpaired reads to which '
'-p/--paired does not apply.')
parser.add_argument('-s',
'--savegraph',
metavar="filename",
default=None,
help='save the k-mer countgraph to disk after all '
'reads are loaded.')
parser.add_argument('-R',
'--report',
help='write progress report to report_filename',
metavar='report_filename',
type=argparse.FileType('w'))
parser.add_argument('--report-frequency',
metavar='report_frequency',
type=int,
default=100000,
help='report progress every report_frequency reads')
parser.add_argument('-f',
'--force',
dest='force',
help='continue past file reading errors',
action='store_true')
parser.add_argument('-o',
'--output',
metavar="filename",
type=khFileType('wb'),
default=None,
dest='single_output_file',
help='only output a single file with '
'the specified filename; use a single dash "-" to '
'specify that output should go to STDOUT (the '
'terminal)')
parser.add_argument('input_filenames',
metavar='input_sequence_filename',
help='Input FAST[AQ] sequence filename.',
nargs='+')
add_loadgraph_args(parser)
parser.add_argument('-z',
'--loadgraph2',
metavar="filename",
default=None,
help='load a second k-mer graph')
add_output_compression_type(parser)
return parser
def get_parser():
epilog = """\
Discard sequences based on whether or not their median k-mer abundance lies
above a specified cutoff. Kept sequences will be placed in <fileN>.keep.
By default, paired end reads will be considered together; if
either read should be kept, both will be kept. (This keeps both
reads from a fragment, and helps with retention of repeats.)
Unpaired reads are treated individually.
If :option:`-p`/:option:`--paired` is set, then proper pairing is required
and the script will exit on unpaired reads, although
:option:`--unpaired-reads` can be used to supply a file of orphan
reads to be read after the paired reads.
:option:`--force_single` will ignore all pairing information and treat
reads individually.
With :option:`-s`/:option:`--savegraph`, the k-mer countgraph
will be saved to the specified file after all sequences have been
processed. :option:`-l`/:option:`--loadgraph` will load the
specified k-mer countgraph before processing the specified
files. Note that these graphs are are in the same format as those
produced by :program:`load-into-counting.py` and consumed by
:program:`abundance-dist.py`.
To append reads to an output file (rather than overwriting it), send output
to STDOUT with `--output -` and use UNIX file redirection syntax (`>>`) to
append to the file.
Example::
normalize-by-median.py -k 17 tests/test-data/test-abund-read-2.fa
Example::
normalize-by-median.py -p -k 17 \\
tests/test-data/test-abund-read-paired.fa
Example::
normalize-by-median.py -p -k 17 -o - tests/test-data/paired.fq \\
>> appended-output.fq
Example::
normalize-by-median.py -k 17 -f tests/test-data/test-error-reads.fq \\
tests/test-data/test-fastq-reads.fq
Example::
normalize-by-median.py -k 17 -s test.ct \\
tests/test-data/test-abund-read-2.fa \\
tests/test-data/test-fastq-reads.fq"""
parser = build_counting_args(
descr="Do digital normalization (remove mostly redundant sequences)",
epilog=textwrap.dedent(epilog),
citations=['diginorm'])
parser.add_argument('-q', '--quiet', dest='quiet', default=False,
action='store_true')
parser.add_argument('-C', '--cutoff', help="when the median "
"k-mer coverage level is above this number the "
"read is not kept.",
type=check_argument_range(0, 256, "cutoff"),
default=DEFAULT_DESIRED_COVERAGE)
parser.add_argument('-p', '--paired', action='store_true',
help='require that all sequences be properly paired')
parser.add_argument('--force_single', dest='force_single',
action='store_true',
help='treat all sequences as single-ended/unpaired')
parser.add_argument('-u', '--unpaired-reads',
metavar="unpaired_reads_filename",
help='include a file of unpaired reads to which '
'-p/--paired does not apply.')
parser.add_argument('-s', '--savegraph', metavar="filename", default=None,
help='save the k-mer countgraph to disk after all '
'reads are loaded.')
parser.add_argument('-R', '--report',
help='write progress report to report_filename',
metavar='report_filename', type=argparse.FileType('w'))
parser.add_argument('--report-frequency',
metavar='report_frequency', type=int, default=100000,
help='report progress every report_frequency reads')
parser.add_argument('-f', '--force', dest='force',
help='continue past file reading errors',
action='store_true')
parser.add_argument('-o', '--output', metavar="filename",
type=khFileType('wb'),
default=None, dest='single_output_file',
help='only output a single file with '
'the specified filename; use a single dash "-" to '
'specify that output should go to STDOUT (the '
'terminal)')
parser.add_argument('input_filenames', metavar='input_sequence_filename',
help='Input FAST[AQ] sequence filename.', nargs='+')
add_loadgraph_args(parser)
add_output_compression_type(parser)
return parser
def get_parser():
epilog = ("""
Discard sequences based on whether or not their median k-mer abundance lies
above a specified cutoff. Kept sequences will be placed in <fileN>.keep.
Paired end reads will be considered together if :option:`-p` is set. If
either read will be kept, then both will be kept. This should result in
keeping (or discarding) each sequencing fragment. This helps with retention
of repeats, especially.
With :option:`-s`/:option:`--savegraph`, the k-mer countgraph
will be saved to the specified file after all sequences have been
processed. With :option:`-d`, the k-mer countgraph will be
saved every d files for multifile runs; if :option:`-s` is set,
the specified name will be used, and if not, the name `backup.ct`
will be used. :option:`-l`/:option:`--loadgraph` will load the
specified k-mer countgraph before processing the specified
files. Note that these tables are are in the same format as those
produced by :program:`load-into-counting.py` and consumed by
:program:`abundance-dist.py`.
:option:`-f`/:option:`--fault-tolerant` will force the program to continue
upon encountering a formatting error in a sequence file; the k-mer counting
table up to that point will be dumped, and processing will continue on the
next file.
Example::
saturate-by-median.py -k 17 tests/test-data/test-abund-read-2.fa
Example::
""" " saturate-by-median.py -p -k 17 tests/test-data/test-abund-read-paired.fa" # noqa
"""
Example::
""" " saturate-by-median.py -k 17 -f tests/test-data/test-error-reads.fq tests/test-data/test-fastq-reads.fq" # noqa
"""
Example::
""" " saturate-by-median.py -k 17 -d 2 -s test.ct tests/test-data/test-abund-read-2.fa tests/test-data/test-fastq-reads") # noqa
parser = build_counting_args(
descr="Do digital normalization (remove mostly redundant sequences)",
epilog=textwrap.dedent(epilog))
parser.add_argument('-C', '--cutoff', type=int,
default=DEFAULT_DESIRED_COVERAGE)
parser.add_argument('-p', '--paired', action='store_true')
parser.add_argument('-s', '--savegraph', metavar="filename", default='')
parser.add_argument('-R', '--report',
metavar='filename', type=argparse.FileType('w'))
parser.add_argument('--report-frequency',
metavar='report_frequency', default=100000, type=int)
parser.add_argument('-f', '--fault-tolerant', dest='force',
help='continue on next file if read errors are \
encountered', action='store_true')
parser.add_argument('-o', '--out', metavar="filename",
dest='single_output_filename',
default='', help='only output a single'
' file with the specified filename')
parser.add_argument('input_filenames', metavar='input_sequence_filename',
help='Input FAST[AQ] sequence filename.', nargs='+')
add_loadgraph_args(parser)
return parser
def get_parser():
epilog = """\
The output is one file for each input file, ``<input file>.abundtrim``,
placed in the current directory. This output contains the input sequences
trimmed at low-abundance k-mers.
The :option:`-V`/:option:`--variable-coverage` parameter will, if
specified, prevent elimination of low-abundance reads by only trimming
low-abundance k-mers from high-abundance reads; use this for
non-genomic data sets that may have variable coverage.
Note that the output reads will not necessarily be in the same order
as the reads in the input files; if this is an important consideration,
use :program:`load-into-counting.py` and :program:`filter-abund.py`.
However, read pairs will be kept together, in "broken-paired" format; you
can use :program:`extract-paired-reads.py` to extract read pairs and
orphans.
Example::
trim-low-abund.py -x 5e7 -k 20 -C 2 data/100k-filtered.fa
"""
parser = build_counting_args(
descr='Trim low-abundance k-mers using a streaming algorithm.',
epilog=textwrap.dedent(epilog))
parser.add_argument('input_filenames', nargs='+')
parser.add_argument('--cutoff',
'-C',
type=int,
help='remove k-mers below this abundance',
default=DEFAULT_CUTOFF)
parser.add_argument('--trim-at-coverage',
'-Z',
'--normalize-to',
type=int,
help='trim reads when entire read above this coverage',
default=DEFAULT_TRIM_AT_COVERAGE)
parser.add_argument('-o',
'--output',
metavar="output_filename",
type=argparse.FileType('wb'),
help='only output a single file with '
'the specified filename; use a single dash "-" to '
'specify that output should go to STDOUT (the '
'terminal)')
parser.add_argument('--variable-coverage',
'-V',
action='store_true',
default=False,
help='Only trim low-abundance k-mers from sequences '
'that have high coverage.')
add_loadgraph_args(parser)
parser.add_argument('-s',
'--savegraph',
metavar="filename",
default='',
help='save the k-mer countgraph to disk after all'
'reads are loaded.')
parser.add_argument('-q',
'--quiet',
dest='quiet',
default=False,
action='store_true')
# expert options
parser.add_argument('--force', default=False, action='store_true')
parser.add_argument('--ignore-pairs', default=False, action='store_true')
parser.add_argument('--tempdir',
'-T',
type=str,
default='./',
help="Set location of temporary directory for "
"second pass")
add_output_compression_type(parser)
parser.add_argument('--diginorm',
default=False,
action='store_true',
help="Eliminate high-coverage reads altogether "
"(digital normalization).")
parser.add_argument('--diginorm-coverage',
type=int,
default=DEFAULT_DIGINORM_COVERAGE,
help="Coverage threshold for --diginorm")
parser.add_argument('--single-pass',
default=False,
action='store_true',
help="Do not do a second pass across the low coverage "
"data")
return parser
def get_parser():
epilog = (
"""
Discard sequences based on whether or not their median k-mer abundance lies
above a specified cutoff. Kept sequences will be placed in <fileN>.keep.
By default, paired end reads will be considered together; if
either read should be kept, both will be kept. (This keeps both
reads from a fragment, and helps with retention of repeats.)
Unpaired reads are treated individually.
If :option:`-p`/`--paired` is set, then proper pairing is required
and the script will exit on unpaired reads, although
:option:`--unpaired-reads` can be used to supply a file of orphan
reads to be read after the paired reads.
:option:`--force-single` will ignore all pairing information and treat
reads individually.
With :option:`-s`/:option:`--savegraph`, the k-mer countgraph
will be saved to the specified file after all sequences have been
processed. :option:`-l`/:option:`--loadgraph` will load the
specified k-mer countgraph before processing the specified
files. Note that these graphs are are in the same format as those
produced by :program:`load-into-counting.py` and consumed by
:program:`abundance-dist.py`.
To append reads to an output file (rather than overwriting it), send output
to STDOUT with `--output -` and use UNIX file redirection syntax (`>>`) to
append to the file.
Example::
normalize-by-median.py -k 17 tests/test-data/test-abund-read-2.fa
Example::
"""
" normalize-by-median.py -p -k 17 tests/test-data/test-abund-read-paired.fa" # noqa
"""
Example::
"""
" normalize-by-median.py -p -k 17 -o - tests/test-data/paired.fq >> appended-output.fq" # noqa
"""
Example::
"""
" normalize-by-median.py -k 17 -f tests/test-data/test-error-reads.fq tests/test-data/test-fastq-reads.fq" # noqa
"""
Example::
"""
" normalize-by-median.py -k 17 -d 2 -s test.ct tests/test-data/test-abund-read-2.fa tests/test-data/test-fastq-reads"
) # noqa
parser = build_counting_args(
descr="Do digital normalization (remove mostly redundant sequences)", epilog=textwrap.dedent(epilog)
)
parser.add_argument("-q", "--quiet", dest="quiet", default=False, action="store_true")
parser.add_argument("-C", "--cutoff", type=int, default=DEFAULT_DESIRED_COVERAGE)
parser.add_argument("-p", "--paired", action="store_true", help="require that all sequences be properly paired")
parser.add_argument(
"--force-single", dest="force_single", action="store_true", help="treat all sequences as single-ended/unpaired"
)
parser.add_argument(
"-u",
"--unpaired-reads",
metavar="unpaired_reads_filename",
help="include a file of unpaired reads to which " "-p/--paired does not apply.",
)
parser.add_argument(
"-s",
"--savegraph",
metavar="filename",
default="",
help="save the k-mer countgraph to disk after all" "reads are loaded.",
)
parser.add_argument("-R", "--report", metavar="report_filename", type=argparse.FileType("w"))
parser.add_argument("--report-frequency", metavar="report_frequency", type=int, default=100000)
parser.add_argument("-f", "--force", dest="force", help="continue past file reading errors", action="store_true")
parser.add_argument(
"-o",
"--output",
metavar="filename",
type=argparse.FileType("wb"),
default=None,
dest="single_output_file",
help="only output a single file with "
'the specified filename; use a single dash "-" to '
"specify that output should go to STDOUT (the "
"terminal)",
)
parser.add_argument(
"input_filenames", metavar="input_sequence_filename", help="Input FAST[AQ] sequence filename.", nargs="+"
)
add_loadgraph_args(parser)
add_output_compression_type(parser)
return parser
def get_parser():
epilog = """\
The output is one file for each input file, ``<input file>.abundtrim``,
placed in the current directory. This output contains the input sequences
trimmed at low-abundance k-mers.
The :option:`-V`/:option:`--variable-coverage` parameter will, if
specified, prevent elimination of low-abundance reads by only trimming
low-abundance k-mers from high-abundance reads; use this for
non-genomic data sets that may have variable coverage.
Note that the output reads will not necessarily be in the same order
as the reads in the input files; if this is an important consideration,
use :program:`load-into-counting.py` and :program:`filter-abund.py`.
However, read pairs will be kept together, in "broken-paired" format; you
can use :program:`extract-paired-reads.py` to extract read pairs and
orphans.
Example::
trim-low-abund.py -x 5e7 -k 20 -C 2 data/100k-filtered.fa
"""
parser = build_counting_args(
descr='Trim low-abundance k-mers using a streaming algorithm.',
epilog=textwrap.dedent(epilog))
parser.add_argument('input_filenames', nargs='+')
parser.add_argument('--cutoff', '-C', type=int,
help='remove k-mers below this abundance',
default=DEFAULT_CUTOFF)
parser.add_argument('--trim-at-coverage', '-Z', '--normalize-to',
type=int,
help='trim reads when entire read above this coverage',
default=DEFAULT_TRIM_AT_COVERAGE)
parser.add_argument('-o', '--output', metavar="output_filename",
type=argparse.FileType('wb'),
help='only output a single file with '
'the specified filename; use a single dash "-" to '
'specify that output should go to STDOUT (the '
'terminal)')
parser.add_argument('--variable-coverage', '-V', action='store_true',
default=False,
help='Only trim low-abundance k-mers from sequences '
'that have high coverage.')
add_loadgraph_args(parser)
parser.add_argument('-s', '--savegraph', metavar="filename", default='',
help='save the k-mer countgraph to disk after all'
'reads are loaded.')
parser.add_argument('-q', '--quiet', dest='quiet', default=False,
action='store_true')
# expert options
parser.add_argument('--force', default=False, action='store_true')
parser.add_argument('--ignore-pairs', default=False, action='store_true')
parser.add_argument('--tempdir', '-T', type=str, default='./',
help="Set location of temporary directory for "
"second pass")
add_output_compression_type(parser)
parser.add_argument('--diginorm', default=False, action='store_true',
help="Eliminate high-coverage reads altogether "
"(digital normalization).")
parser.add_argument('--diginorm-coverage', type=int,
default=DEFAULT_DIGINORM_COVERAGE,
help="Coverage threshold for --diginorm")
parser.add_argument('--single-pass', default=False, action='store_true',
help="Do not do a second pass across the low coverage "
"data")
return parser