def main(argv=None):
"""script main.
parses command line options in sys.argv, unless *argv* is given.
"""
if argv is None:
argv = sys.argv
parser = E.OptionParser(
version=
"%prog version: $Id: sequence2alignment.py 2782 2009-09-10 11:40:29Z andreas $",
usage=globals()["__doc__"])
parser.set_defaults()
(options, args) = E.Start(parser)
iterator = FastaIterator.FastaIterator(sys.stdin)
ninput, noutput, nskipped = 0, 0, 0
options.stdout.write(
"query\tsbjct\tquery_from\tquery_to\tsbjct_from\tsbjct_to\tquery_starts\tsbjct_starts\tblock_sizes\n"
)
while 1:
try:
cur_record = iterator.next()
except StopIteration:
break
ninput += 1
sequence = re.sub(" ", "", cur_record.sequence)
l = len(sequence)
map_sequence2mali = alignlib_lite.py_makeAlignmentVector()
alignlib_lite.py_AlignmentFormatExplicit(0, sequence, 0, "X" *
l).copy(map_sequence2mali)
options.stdout.write("\t".join(
(cur_record.title, "ref",
str(alignlib_lite.py_AlignmentFormatBlocks(map_sequence2mali)))) +
"\n")
noutput += 1
if options.loglevel >= 1:
options.stdlog.write("# ninput=%i, noutput=%i, nskipped=%i.\n" %
(ninput, noutput, nskipped))
E.Stop()
def main(argv=None):
"""script main.
parses command line options in sys.argv, unless *argv* is given.
"""
if argv is None:
argv = sys.argv
parser = E.OptionParser(
version="%prog version: $Id: sequence2alignment.py 2782 2009-09-10 11:40:29Z andreas $", usage=globals()["__doc__"])
parser.set_defaults(
)
(options, args) = E.Start(parser)
iterator = FastaIterator.FastaIterator(sys.stdin)
ninput, noutput, nskipped = 0, 0, 0
options.stdout.write(
"query\tsbjct\tquery_from\tquery_to\tsbjct_from\tsbjct_to\tquery_starts\tsbjct_starts\tblock_sizes\n")
while 1:
try:
cur_record = iterator.next()
except StopIteration:
break
ninput += 1
sequence = re.sub(" ", "", cur_record.sequence)
l = len(sequence)
map_sequence2mali = alignlib_lite.py_makeAlignmentVector()
alignlib_lite.py_AlignmentFormatExplicit(0, sequence,
0, "X" * l).copy(map_sequence2mali)
options.stdout.write("\t".join((
cur_record.title,
"ref",
str(alignlib_lite.py_AlignmentFormatBlocks(map_sequence2mali)))) + "\n")
noutput += 1
if options.loglevel >= 1:
options.stdlog.write(
"# ninput=%i, noutput=%i, nskipped=%i.\n" % (ninput, noutput, nskipped))
E.Stop()
def PrintPrettyAlignment( seq_wobble, seq_cds, seq_pep, map_p2c, options ):
"""print a pretty alignment."""
f = alignlib_lite.py_AlignmentFormatExplicit( map_p2c, seq_wobble, seq_cds )
wobble_ali, cds_ali = f.mRowAlignment, f.mColAlignment
wi, ci, pi = 0, 0, 0
frags_w, frags_c, frags_p = [], [], []
for x in range( 0, len( wobble_ali )):
if wi % 3 == 0:
if pi < len(seq_pep):
frags_p.append( " %s " % seq_pep[pi])
frags_w.append (" ")
frags_c.append (" ")
pi += 1
frags_w.append( wobble_ali[x] )
frags_c.append( cds_ali[x] )
if wobble_ali[x] != "-":
wi += 1
if len(frags_w) > 120 and len(frags_w) % 3 == 0:
options.stdlog.write( "#" + "".join(frags_w) + "\n" )
options.stdlog.write( "#" + "".join(frags_p) + "\n" )
options.stdlog.write( "#" + "".join(frags_c) + "\n" )
options.stdlog.write( "#\n" )
frags_w, frags_c, frags_p = [], [], []
options.stdlog.write( "#" + "".join(frags_w) + "\n" )
options.stdlog.write( "#" + "".join(frags_p) + "\n" )
options.stdlog.write( "#" + "".join(frags_c) + "\n" )
options.stdlog.write( "#\n" )
def printPrettyAlignment(seq_wobble, seq_cds, seq_pep, map_p2c, options):
"""print a pretty alignment."""
f = alignlib_lite.py_AlignmentFormatExplicit(map_p2c, seq_wobble, seq_cds)
wobble_ali, cds_ali = f.mRowAlignment, f.mColAlignment
wi, ci, pi = 0, 0, 0
frags_w, frags_c, frags_p = [], [], []
for x in range(0, len(wobble_ali)):
if wi % 3 == 0:
if pi < len(seq_pep):
frags_p.append(" %s " % seq_pep[pi])
frags_w.append(" ")
frags_c.append(" ")
pi += 1
frags_w.append(wobble_ali[x])
frags_c.append(cds_ali[x])
if wobble_ali[x] != "-":
wi += 1
if len(frags_w) > 120 and len(frags_w) % 3 == 0:
options.stdlog.write("#" + "".join(frags_w) + "\n")
options.stdlog.write("#" + "".join(frags_p) + "\n")
options.stdlog.write("#" + "".join(frags_c) + "\n")
options.stdlog.write("#\n")
frags_w, frags_c, frags_p = [], [], []
options.stdlog.write("#" + "".join(frags_w) + "\n")
options.stdlog.write("#" + "".join(frags_p) + "\n")
options.stdlog.write("#" + "".join(frags_c) + "\n")
options.stdlog.write("#\n")
def AlignPair(pair, anchor=0):
"""align a pair of introns."""
map_intron_a2b = alignlib_lite.py_makeAlignmentVector()
if param_loglevel >= 1:
print "# aligning %s-%i with %s-%i: lengths %i and %i" % (
pair.mToken1, pair.mIntronId1, pair.mToken2, pair.mIntronId2,
len(pair.mAlignedSequence1), len(pair.mAlignedSequence2))
sys.stdout.flush()
s1 = "A" * anchor + pair.mAlignedSequence1 + "A" * anchor
s2 = "A" * anchor + pair.mAlignedSequence2 + "A" * anchor
if param_method == "dialigned":
dialign.Align(s1, s2, map_intron_a2b)
elif param_method == "dialignedlgs":
dialignlgs.Align(s1, s2, map_intron_a2b)
elif param_method == "dbaligned":
dba.Align(s1, s2, map_intron_a2b)
elif param_method == "clusaligned":
raise NotImplementedError("clustalw wrapper not up-to-date")
clustal.Align(s1, s2, map_intron_a2b)
if anchor:
map_intron_a2b.removeRowRegion(
anchor + len(pair.mAlignedSequence1) + 1,
map_intron_a2b.getRowTo())
map_intron_a2b.removeRowRegion(1, anchor)
map_intron_a2b.removeColRegion(
anchor + len(pair.mAlignedSequence2) + 1,
map_intron_a2b.getColTo())
map_intron_a2b.removeColRegion(1, anchor)
map_intron_a2b.moveAlignment(-anchor, -anchor)
if map_intron_a2b.getLength() == 0:
if param_loglevel >= 1:
print "# Error: empty intron alignment"
return False
seq1 = alignlib_lite.py_makeSequence(pair.mAlignedSequence1)
seq2 = alignlib_lite.py_makeSequence(pair.mAlignedSequence2)
data = alignlib_lite.py_AlignmentFormatExplicit(map_intron_a2b, seq1, seq2)
pair.mFrom1, pair.mAlignedSequence1, pair.mTo1 = data.mRowFrom, data.mRowAlignment, data.mRowTo
pair.mFrom2, pair.mAlignedSequence2, pair.mTo2 = data.mColFrom, data.mColAlignment, data.mColTo
pair.mMethod = param_method
pair.mNumGaps, pair.mLength = map_intron_a2b.getNumGaps(
), map_intron_a2b.getLength()
pair.mAligned = pair.mLength - pair.mNumGaps
if param_loglevel >= 2:
print "# alignment success", pair.mAlignedSequence1, pair.mAlignedSequence2
return True
def AlignPair(pair, anchor=0):
"""align a pair of introns."""
map_intron_a2b = alignlib_lite.py_makeAlignmentVector()
if param_loglevel >= 1:
print "# aligning %s-%i with %s-%i: lengths %i and %i" % (pair.mToken1, pair.mIntronId1,
pair.mToken2, pair.mIntronId2,
len(pair.mAlignedSequence1),
len(pair.mAlignedSequence2))
sys.stdout.flush()
s1 = "A" * anchor + pair.mAlignedSequence1 + "A" * anchor
s2 = "A" * anchor + pair.mAlignedSequence2 + "A" * anchor
if param_method == "dialigned":
dialign.Align(s1, s2, map_intron_a2b)
elif param_method == "dialignedlgs":
dialignlgs.Align(s1, s2, map_intron_a2b)
elif param_method == "dbaligned":
dba.Align(s1, s2, map_intron_a2b)
elif param_method == "clusaligned":
raise NotImplementedError("clustalw wrapper not up-to-date")
clustal.Align(s1, s2, map_intron_a2b)
if anchor:
map_intron_a2b.removeRowRegion(
anchor + len(pair.mAlignedSequence1) + 1, map_intron_a2b.getRowTo())
map_intron_a2b.removeRowRegion(1, anchor)
map_intron_a2b.removeColRegion(
anchor + len(pair.mAlignedSequence2) + 1, map_intron_a2b.getColTo())
map_intron_a2b.removeColRegion(1, anchor)
map_intron_a2b.moveAlignment(-anchor, -anchor)
if map_intron_a2b.getLength() == 0:
if param_loglevel >= 1:
print "# Error: empty intron alignment"
return False
seq1 = alignlib_lite.py_makeSequence(pair.mAlignedSequence1)
seq2 = alignlib_lite.py_makeSequence(pair.mAlignedSequence2)
data = alignlib_lite.py_AlignmentFormatExplicit(map_intron_a2b, seq1, seq2)
pair.mFrom1, pair.mAlignedSequence1, pair.mTo1 = data.mRowFrom, data.mRowAlignment, data.mRowTo
pair.mFrom2, pair.mAlignedSequence2, pair.mTo2 = data.mColFrom, data.mColAlignment, data.mColTo
pair.mMethod = param_method
pair.mNumGaps, pair.mLength = map_intron_a2b.getNumGaps(
), map_intron_a2b.getLength()
pair.mAligned = pair.mLength - pair.mNumGaps
if param_loglevel >= 2:
print "# alignment success", pair.mAlignedSequence1, pair.mAlignedSequence2
return True
def AlignCodonBased( seq_wobble, seq_cds, seq_peptide, map_p2c, options,
diag_width = 2, max_advance = 2 ):
"""advance in codons in seq_wobble and match to nucleotides in seq_cds.
Due to alinglib this is all in one-based coordinates.
Takes care of frameshifts.
"""
map_p2c.clear()
gop, gep = -1.0, -1.0
matrix = alignlib_lite.py_makeSubstitutionMatrixBackTranslation( 1, -10, 1, alignlib_lite.py_getDefaultEncoder() )
pep_seq = seq_peptide.asString()
cds_seq = seq_cds.asString()
wobble_seq = seq_wobble.asString()
lcds = seq_cds.getLength()
lwobble = seq_wobble.getLength()
y = 0
x = 0
last_start = None
while x < lwobble and y < lcds:
xr = seq_wobble.asResidue( x )
# skip over masked chars in wobble - these are gaps
if seq_wobble.asChar(x) == "X":
x += 1
continue
# skip over masked chars in wobble - these are from
# masked chars in the peptide sequence
# Note to self: do not see all implications of this change
# check later.
if seq_wobble.asChar(x) == "N":
x += 1
continue
# skip over gaps in wobble
if seq_wobble.asChar(x) == "-":
x += 1
continue
s = matrix.getValue( xr, seq_cds.asResidue(y) )
if options.loglevel >= 6:
if (x % 3 == 0):
c = seq_cds.asChar(y) + seq_cds.asChar(y+1) + seq_cds.asChar(y+2)
options.stdlog.write( "# c=%s, x=%i, y=%i, aa=%s target=%s\n" % (c, x, y,
Genomics.MapCodon2AA( c ),
pep_seq[int(x/3)]) )
options.stdlog.write( "# x=%i\twob=%s\ty=%i\tcds=%s\txr=%s\tcds=%i\tscore=%s\n" % \
(x, seq_wobble.asChar(x), y, seq_cds.asChar(y), xr, seq_cds.asResidue(y), str(s) ))
# deal with mismatches
if s <= 0:
tmp_map_p2c = alignlib_lite.py_makeAlignmentVector()
## backtrack to previous three codons and align
## three codons for double frameshifts that span two codons and
## produce two X's and six WWWWWW.
## number of nucleotides to extend (should be multiple of 3)
## less than 12 caused failure for some peptides.
d = 15
# extend by amound dx
dx = (x % 3) + d
x_start = max(0, x - dx )
# map to ensure that no ambiguous residue mappings
# exist after re-alignment
y_start = max(0, map_p2c.mapRowToCol( x_start, alignlib_lite.py_RIGHT ))
if (x_start, y_start) == last_start:
raise ValueError( "infinite loop detected" )
last_start = (x_start, y_start)
x_end = min(x_start + 2 * d, len(wobble_seq) )
y_end = min(y_start + 2 * d, len(cds_seq) )
wobble_fragment = alignlib_lite.py_makeSequence(wobble_seq[x_start:x_end])
cds_fragment = alignlib_lite.py_makeSequence(cds_seq[y_start:y_end])
AlignExhaustive( wobble_fragment, cds_fragment, "", tmp_map_p2c, options )
if options.loglevel >= 10:
options.stdlog.write("# fragmented alignment from %i-%i, %i-%i:\n%s\n" % (x_start, x_end,
y_start, y_end,
str(alignlib_lite.py_AlignmentFormatExplicit( tmp_map_p2c,
wobble_fragment,
cds_fragment ))))
options.stdlog.flush()
## clear alignment
map_p2c.removeRowRegion( x_start, x_end )
ngap = 0
last_x, last_y = None, None
for xxx in range( tmp_map_p2c.getRowFrom(), tmp_map_p2c.getRowTo() ):
yyy = tmp_map_p2c.mapRowToCol(xxx)
if yyy >= 0:
x = xxx + x_start
y = yyy + y_start
xr = seq_wobble.asResidue(x)
s = matrix.getValue( seq_wobble.asResidue(x), seq_cds.asResidue(y) )
if s < 0:
raise ValueError("mismatched residue wobble: %i (%s), cds: %i (%s)" % (x, seq_wobble.asChar(x), y, seq_cds.asChar(y)))
map_p2c.addPair( x, y, s)
last_x, last_y = x, y
if options.loglevel >= 6:
options.stdlog.write( "# reset: x=%i\twob=%s\ty=%i\tcds=%s\txr=%s\tcds=%i\tscore=%i\n" % \
(x, seq_wobble.asChar(x), y, seq_cds.asChar(y), xr, seq_cds.asResidue(y), s ))
options.stdlog.flush()
ngap = 0
else:
ngap += 1
# treat special case of double frameshifts. They might cause a petide/wobble residue
# to be eliminated and thus the translated sequences will differ.
# simply delete the last residue between x and y and move to next codon.
if ngap == 3:
map_p2c.removeRowRegion( last_x, last_x + 1 )
last_x += 1
map_p2c.addPair( last_x, last_y )
if options.loglevel >= 6:
options.stdlog.write( "# double: x=%i\twob=%s\ty=%i\tcds=%s\txr=%s\tcds=%i\tscore=%i\n" % \
(last_x, seq_wobble.asChar(last_x), last_y, seq_cds.asChar(last_y), xr, seq_cds.asResidue(last_y), s ))
options.stdlog.flush()
ngap = 0
## exit condition if alignment is shorter than problematic residue
## need to catch this to avoid infinite loop.
if tmp_map_p2c.getRowTo() < d:
if lwobble - x <= 4:
## only last codon is missing, so ok
break
else:
raise ValueError("failure to align in designated window.")
s = 0
s = matrix.getValue( xr, seq_cds.asResidue(y) )
if s < 0:
raise ValueError("mis-matching residues.")
map_p2c.addPair( x, y, float(s) )
# advance to next residues
x += 1
y += 1
# sanity checks
assert( map_p2c.getRowTo() <= seq_wobble.getLength() )
assert( map_p2c.getColTo() <= seq_cds.getLength() )
parser.add_option("-o",
"--options",
dest="options",
type="string",
help="BlastZ options.")
parser.set_defaults(input_filename_seq1=None,
input_filename_seq2=None,
options="B=0 C=2")
(options, args) = E.Start(parser)
wrapper = BlastZ(options.options)
import alignlib_lite
seqs1 = Genomics.ReadPeptideSequences(
open(options.input_filename_seq1, "r"))
seqs2 = Genomics.ReadPeptideSequences(
open(options.input_filename_seq2, "r"))
seq1 = seqs1[seqs1.keys()[0]]
seq2 = seqs2[seqs2.keys()[0]]
result = alignlib_lite.py_makeAlignmentVector()
wrapper.Align(seq1, seq2, result)
print str(
alignlib_lite.py_AlignmentFormatExplicit(
result, alignlib_lite.py_makeSequence(seq1),
alignlib_lite.py_makeSequence(seq2)))
E.Stop()
def AlignCodonBased(seq_wobble,
seq_cds,
seq_peptide,
map_p2c,
options,
diag_width=2,
max_advance=2):
"""advance in codons in seq_wobble and match to nucleotides in seq_cds.
Due to alinglib this is all in one-based coordinates.
Takes care of frameshifts.
"""
map_p2c.clear()
gop, gep = -1.0, -1.0
matrix = alignlib_lite.py_makeSubstitutionMatrixBackTranslation(
1, -10, 1, alignlib_lite.py_getDefaultEncoder())
pep_seq = seq_peptide.asString()
cds_seq = seq_cds.asString()
wobble_seq = seq_wobble.asString()
lcds = seq_cds.getLength()
lwobble = seq_wobble.getLength()
y = 0
x = 0
last_start = None
while x < lwobble and y < lcds:
xr = seq_wobble.asResidue(x)
# skip over masked chars in wobble - these are gaps
if seq_wobble.asChar(x) == "X":
x += 1
continue
# skip over masked chars in wobble - these are from
# masked chars in the peptide sequence
# Note to self: do not see all implications of this change
# check later.
if seq_wobble.asChar(x) == "N":
x += 1
continue
# skip over gaps in wobble
if seq_wobble.asChar(x) == "-":
x += 1
continue
s = matrix.getValue(xr, seq_cds.asResidue(y))
if options.loglevel >= 6:
if (x % 3 == 0):
c = seq_cds.asChar(y) + seq_cds.asChar(y +
1) + seq_cds.asChar(y +
2)
options.stdlog.write(
"# c=%s, x=%i, y=%i, aa=%s target=%s\n" %
(c, x, y, Genomics.MapCodon2AA(c), pep_seq[int(x / 3)]))
options.stdlog.write(
"# x=%i\twob=%s\ty=%i\tcds=%s\txr=%s\tcds=%i\tscore=%s\n" %
(x, seq_wobble.asChar(x), y, seq_cds.asChar(y), xr,
seq_cds.asResidue(y), str(s)))
# deal with mismatches
if s <= 0:
tmp_map_p2c = alignlib_lite.py_makeAlignmentVector()
# backtrack to previous three codons and align
# three codons for double frameshifts that span two codons and
# produce two X's and six WWWWWW.
# number of nucleotides to extend (should be multiple of 3)
# less than 12 caused failure for some peptides.
d = 15
# extend by amound dx
dx = (x % 3) + d
x_start = max(0, x - dx)
# map to ensure that no ambiguous residue mappings
# exist after re-alignment
y_start = max(0,
map_p2c.mapRowToCol(x_start, alignlib_lite.py_RIGHT))
if (x_start, y_start) == last_start:
raise ValueError("infinite loop detected")
last_start = (x_start, y_start)
x_end = min(x_start + 2 * d, len(wobble_seq))
y_end = min(y_start + 2 * d, len(cds_seq))
wobble_fragment = alignlib_lite.py_makeSequence(
wobble_seq[x_start:x_end])
cds_fragment = alignlib_lite.py_makeSequence(
cds_seq[y_start:y_end])
AlignExhaustive(wobble_fragment, cds_fragment, "", tmp_map_p2c,
options)
if options.loglevel >= 10:
options.stdlog.write(
"# fragmented alignment from %i-%i, %i-%i:\n%s\n" %
(x_start, x_end, y_start, y_end,
str(
alignlib_lite.py_AlignmentFormatExplicit(
tmp_map_p2c, wobble_fragment, cds_fragment))))
options.stdlog.flush()
# clear alignment
map_p2c.removeRowRegion(x_start, x_end)
ngap = 0
last_x, last_y = None, None
for xxx in range(tmp_map_p2c.getRowFrom(), tmp_map_p2c.getRowTo()):
yyy = tmp_map_p2c.mapRowToCol(xxx)
if yyy >= 0:
x = xxx + x_start
y = yyy + y_start
xr = seq_wobble.asResidue(x)
s = matrix.getValue(seq_wobble.asResidue(x),
seq_cds.asResidue(y))
if s < 0:
raise ValueError(
"mismatched residue wobble: %i (%s), cds: %i (%s)"
% (x, seq_wobble.asChar(x), y, seq_cds.asChar(y)))
map_p2c.addPair(x, y, s)
last_x, last_y = x, y
if options.loglevel >= 6:
options.stdlog.write(
"# reset: x=%i\twob=%s\ty=%i\tcds=%s\txr=%s\tcds=%i\tscore=%i\n"
% (x, seq_wobble.asChar(x), y, seq_cds.asChar(y),
xr, seq_cds.asResidue(y), s))
options.stdlog.flush()
ngap = 0
else:
ngap += 1
# treat special case of double frameshifts. They might cause a petide/wobble residue
# to be eliminated and thus the translated sequences will differ.
# simply delete the last residue between x and y and move to
# next codon.
if ngap == 3:
map_p2c.removeRowRegion(last_x, last_x + 1)
last_x += 1
map_p2c.addPair(last_x, last_y)
if options.loglevel >= 6:
options.stdlog.write(
"# double: x=%i\twob=%s\ty=%i\tcds=%s\txr=%s\tcds=%i\tscore=%i\n"
% (last_x, seq_wobble.asChar(last_x), last_y,
seq_cds.asChar(last_y), xr,
seq_cds.asResidue(last_y), s))
options.stdlog.flush()
ngap = 0
# exit condition if alignment is shorter than problematic residue
# need to catch this to avoid infinite loop.
if tmp_map_p2c.getRowTo() < d:
if lwobble - x <= 4:
# only last codon is missing, so ok
break
else:
raise ValueError("failure to align in designated window.")
s = 0
s = matrix.getValue(xr, seq_cds.asResidue(y))
if s < 0:
raise ValueError("mis-matching residues.")
map_p2c.addPair(x, y, float(s))
# advance to next residues
x += 1
y += 1
# sanity checks
assert (map_p2c.getRowTo() <= seq_wobble.getLength())
assert (map_p2c.getColTo() <= seq_cds.getLength())
def Align( self, method, anchor = 0, loglevel = 1 ):
"""align a pair of sequences.
get rid of this and use a method class instead in the future
"""
map_a2b = alignlib_lite.py_makeAlignmentVector()
s1 = "A" * anchor + self.mSequence1 + "A" * anchor
s2 = "A" * anchor + self.mSequence2 + "A" * anchor
self.strand = "+"
if method == "dialign":
dialign = WrapperDialign.Dialign( self.mOptionsDialign )
dialign.Align( s1, s2, map_a2b )
elif method == "blastz":
blastz = WrapperBlastZ.BlastZ( self.mOptionsBlastZ )
blastz.Align( s1, s2, map_a2b )
if blastz.isReverseComplement():
self.strand = "-"
self.mSequence2 = Genomics.complement( self.mSequence2 )
elif method == "dialignlgs":
dialignlgs = WrapperDialign.Dialign( self.mOptionsDialignLGS )
dialignlgs.Align( s1, s2, map_a2b )
elif method == "dba":
dba = WrapperDBA.DBA()
dba.Align( s1, s2, map_a2b )
elif method == "clustal":
raise NotImplementedError( "clustal wrapper needs to be updated")
clustal = WrapperClustal.Clustal()
clustal.Align( s1, s2, map_a2b )
elif method == "nw":
seq1 = alignlib_lite.py_makeSequence( s1 )
seq2 = alignlib_lite.py_makeSequence( s2 )
alignator = alignlib_lite.py_makeAlignatorDPFull( alignlib_lite.py_ALIGNMENT_GLOBAL,
gop=-12.0,
gep=-2.0 )
alignator.align( map_a2b, seq1, seq2 )
elif method == "sw":
seq1 = alignlib_lite.py_makeSequence( s1 )
seq2 = alignlib_lite.py_makeSequence( s2 )
alignlib_lite.py_performIterativeAlignment( map_a2b, seq1, seq2, alignator_sw, min_score_sw )
else:
## use callback function
method(s1, s2, map_a2b)
if map_a2b.getLength() == 0:
raise AlignmentError("empty alignment")
if anchor:
map_a2b.removeRowRegion( anchor + len(self.mSequence1) + 1, map_a2b.getRowTo() )
map_a2b.removeRowRegion( 1, anchor)
map_a2b.removeColRegion( anchor + len(self.mSequence2) + 1, map_a2b.getColTo() )
map_a2b.removeColRegion( 1, anchor)
map_a2b.moveAlignment( -anchor, -anchor )
f = alignlib_lite.py_AlignmentFormatExplicit( map_a2b,
alignlib_lite.py_makeSequence( self.mSequence1),
alignlib_lite.py_makeSequence( self.mSequence2) )
self.mMethod = method
self.mAlignment = map_a2b
self.mAlignedSequence1, self.mAlignedSequence2 = f.mRowAlignment, f.mColAlignment
f = alignlib_lite.py_AlignmentFormatEmissions( map_a2b )
self.mAlignment1, self.mAlignment2 = f.mRowAlignment, f.mColAlignment
self.mAlignmentFrom1 = map_a2b.getRowFrom()
self.mAlignmentTo1 = map_a2b.getRowTo()
self.mAlignmentFrom2 = map_a2b.getColFrom()
self.mAlignmentTo2 = map_a2b.getColTo()
self.mNumGaps, self.mLength = map_a2b.getNumGaps(), map_a2b.getLength()
self.mAligned = self.mLength - self.mNumGaps
self.SetPercentIdentity()
self.SetBlockSizes()
input_filename_seq2 = None,
options = "B=0 C=2")
(options, args) = E.Start( parser )
wrapper = BlastZ( options.options )
import alignlib_lite
seqs1 = Genomics.ReadPeptideSequences( open(options.input_filename_seq1, "r") )
seqs2 = Genomics.ReadPeptideSequences( open(options.input_filename_seq2, "r") )
seq1 = seqs1[seqs1.keys()[0]]
seq2 = seqs2[seqs2.keys()[0]]
result = alignlib_lite.py_makeAlignmentVector()
wrapper.Align( seq1, seq2, result)
print str( alignlib_lite.py_AlignmentFormatExplicit( result,
alignlib_lite.py_makeSequence( seq1 ),
alignlib_lite.py_makeSequence( seq2 ) ) )
E.Stop()
def main( argv = None ):
"""script main.
parses command line options in sys.argv, unless *argv* is given.
"""
if argv == None: argv = sys.argv
parser = E.OptionParser( version = "%prog version: $Id: links2fasta.py 2446 2009-01-27 16:32:35Z andreas $", usage = globals()["__doc__"] )
parser.add_option( "-s", "--sequences", dest="filename_sequences", type="string",
help="peptide sequence [Default=%default]" )
parser.add_option( "-f", "--format", dest="format", type="string",
help="output format [Default=%default]" )
parser.add_option( "-e", "--expand", dest="expand", action="store_true",
help="expand positions from peptide to nucleotide alignment [Default=%default]")
parser.add_option( "-m", "--map", dest="filename_map", type="string",
help="map alignments [Default=%default]")
parser.add_option( "-c", "--codons", dest="require_codons", action="store_true",
help="require codons [Default=%default]")
parser.add_option( "--one-based-coordinates", dest="one_based_coordinates", action="store_true",
help="expect one-based coordinates. The default are zero based coordinates [Default=%default].")
parser.add_option( "--no-identical", dest="no_identical", action="store_true",
help="do not output identical pairs [Default=%default]" )
parser.add_option( "-g", "--no-gaps", dest="no_gaps", action="store_true",
help="remove all gaps from aligned sequences [Default=%default]")
parser.add_option( "-x", "--exons", dest="filename_exons", type="string",
help="filename with exon boundaries [Default=%default]")
parser.add_option( "-o", "--outfile", dest="filename_outfile", type="string",
help="filename to save links [Default=%default]")
parser.add_option( "--min-length", dest="min_length", type="int",
help="minimum length of alignment [Default=%default]")
parser.add_option( "--filter", dest="filename_filter", type="string",
help="given a set of previous alignments, only write new pairs [Default=%default].")
parser.set_defaults(
filename_sequences = None,
filename_exons = None,
filename_map = None,
filename_outfile = None,
no_gaps = False,
format = "fasta",
expand = False,
require_codons = False,
no_identical = False,
min_length = 0,
report_step = 100,
one_based_coordinates = False,
filename_filter = None)
(options, args) = E.Start( parser, add_mysql_options = True )
t0 = time.time()
if options.filename_sequences:
sequences = Genomics.ReadPeptideSequences( open(options.filename_sequences, "r") )
else:
sequences = {}
if options.loglevel >= 1:
options.stdlog.write( "# read %i sequences\n" % len(sequences) )
sys.stdout.flush()
if options.filename_exons:
exons = Exons.ReadExonBoundaries( open(options.filename_exons, "r") )
else:
exons = {}
if options.loglevel >= 1:
options.stdlog.write( "# read %i exons\n" % len(exons) )
sys.stdout.flush()
if options.filename_map:
map_old2new = {}
for line in open(options.filename_map, "r"):
if line[0] == "#": continue
m = Map()
m.read( line )
map_old2new[m.mToken] = m
else:
map_old2new = {}
if options.loglevel >= 1:
options.stdlog.write( "# read %i maps\n" % len(map_old2new) )
sys.stdout.flush()
if options.filename_filter:
if options.loglevel >= 1:
options.stdlog.write( "# reading filtering information.\n" )
sys.stdout.flush()
map_pair2hids = {}
if os.path.exists( options.filename_filter ):
infile = open(options.filename_filter, "r")
iterator = FastaIterator.FastaIterator( infile )
while 1:
cur_record = iterator.next()
if cur_record is None: break
record1 = cur_record
cur_record = iterator.next()
if cur_record is None: break
record2 = cur_record
identifier1 = re.match("(\S+)", record1.title).groups()[0]
identifier2 = re.match("(\S+)", record2.title).groups()[0]
id = "%s-%s" % (identifier1, identifier2)
s = Genomics.GetHID(record1.sequence + ";" + record2.sequence)
if id not in map_pair2hids: map_pair2hids[id] = []
map_pair2hids[id].append( s )
infile.close()
if options.loglevel >= 1:
options.stdlog.write( "# read filtering information for %i pairs.\n" % len(map_pair2hids) )
sys.stdout.flush()
else:
map_pair2hids = None
if options.loglevel >= 1:
options.stdlog.write( "# finished input in %i seconds.\n" % (time.time() - t0))
if options.filename_outfile:
outfile = open(options.filename_outfile, "w")
else:
outfile = None
map_row2col = alignlib_lite.py_makeAlignmentVector()
tmp1_map_row2col = alignlib_lite.py_makeAlignmentVector()
counts = {}
iterations = 0
t1 = time.time()
ninput, nskipped, noutput = 0, 0, 0
for link in BlastAlignments.iterator_links( sys.stdin ):
iterations += 1
ninput += 1
if options.loglevel >= 1:
if (iterations % options.report_step == 0):
options.stdlog.write( "# iterations: %i in %i seconds.\n" % (iterations, time.time() - t1) )
sys.stdout.flush()
if link.mQueryToken not in sequences or \
link.mSbjctToken not in sequences:
nskipped += 1
continue
if options.loglevel >= 3:
options.stdlog.write( "# read link %s\n" % str(link) )
row_seq = alignlib_lite.py_makeSequence( sequences[link.mQueryToken] )
col_seq = alignlib_lite.py_makeSequence( sequences[link.mSbjctToken] )
if options.one_based_coordinates:
link.mQueryFrom -= 1
link.mSbjctFrom -= 1
if options.expand:
link.mQueryFrom = link.mQueryFrom * 3
link.mSbjctFrom = link.mSbjctFrom * 3
link.mQueryAli = ScaleAlignment( link.mQueryAli, 3 )
link.mSbjctAli = ScaleAlignment( link.mSbjctAli, 3 )
map_row2col.clear()
alignlib_lite.py_AlignmentFormatEmissions(
link.mQueryFrom, link.mQueryAli,
link.mSbjctFrom, link.mSbjctAli ).copy( map_row2col )
if link.mQueryToken in map_old2new:
tmp1_map_row2col.clear()
map_old2new[link.mQueryToken].expand()
if options.loglevel >= 3:
options.stdlog.write( "# combining in row with %s\n" %\
str(alignlib_lite.py_AlignmentFormatEmissions(map_old2new[link.mQueryToken].mMapOld2New ) ))
alignlib_lite.py_combineAlignment( tmp1_map_row2col,
map_old2new[link.mQueryToken].mMapOld2New,
map_row2col,
alignlib_lite.py_RR )
map_old2new[link.mQueryToken].clear()
alignlib_lite.py_copyAlignment( map_row2col, tmp1_map_row2col )
if link.mSbjctToken in map_old2new:
tmp1_map_row2col.clear()
map_old2new[link.mSbjctToken].expand()
if options.loglevel >= 3:
options.stdlog.write( "# combining in col with %s\n" %\
str(alignlib_lite.py_AlignmentFormatEmissions(map_old2new[link.mSbjctToken].mMapOld2New ) ))
alignlib_lite.py_combineAlignment( tmp1_map_row2col,
map_row2col,
map_old2new[link.mSbjctToken].mMapOld2New,
alignlib_lite.py_CR )
map_old2new[link.mSbjctToken].clear()
alignlib_lite.py_copyAlignment( map_row2col, tmp1_map_row2col )
dr = row_seq.getLength() - map_row2col.getRowTo()
dc = col_seq.getLength() - map_row2col.getColTo()
if dr < 0 or dc < 0:
raise ValueError("out of bounds alignment: %s-%s: alignment out of bounds. row=%i col=%i ali=%s" %\
(link.mQueryToken,
link.mSbjctToken,
row_seq.getLength(),
col_seq.getLength(),
str(alignlib_lite.py_AlignmentFormatEmissions(map_row2col))))
if options.loglevel >= 2:
options.stdlog.write( str( alignlib_lite.py_AlignmentFormatExplicit( map_row2col,
row_seq,
col_seq )) + "\n" )
## check for incomplete codons
if options.require_codons:
naligned = map_row2col.getNumAligned()
# turned off, while fixing alignlib_lite
if naligned % 3 != 0:
options.stdlog.write( "# %s\n" % str(map_row2col) )
options.stdlog.write( "# %s\n" % str(link) )
options.stdlog.write( "# %s\n" % str(map_old2new[link.mQueryToken]) )
options.stdlog.write( "# %s\n" % str(map_old2new[link.mSbjctToken]) )
options.stdlog.write( "#\n%s\n" % alignlib_lite.py_AlignmentFormatExplicit( map_row2col,
row_seq,
col_seq ) )
raise ValueError("incomplete codons %i in pair %s - %s" % (naligned, link.mQueryToken, link.mSbjctToken))
## if so desired, write on a per exon level:
if exons:
if link.mQueryToken not in exons:
raise IndexError("%s not found in exons" % (link.mQueryToken))
if link.mSbjctToken not in exons:
raise IndexError("%s not found in exons" % (link.mSbjctToken))
exons1 = exons[link.mQueryToken]
exons2 = exons[link.mSbjctToken]
## Get overlapping segments
segments = Exons.MatchExons( map_row2col, exons1, exons2 )
for a,b in segments:
tmp1_map_row2col.clear()
# make sure you got codon boundaries. Note that frameshifts
# in previous exons will cause the codons to start at positions
# different from mod 3. The problem is that I don't know where
# the frameshifts occur exactly. The exon boundaries are given
# with respect to the cds, which include the frame shifts.
# Unfortunately, phase information seems to be incomplete in the input files.
from1, to1 = GetAdjustedBoundaries( a, exons1 )
from2, to2 = GetAdjustedBoundaries( b, exons2 )
alignlib_lite.py_copyAlignment( tmp1_map_row2col, map_row2col,
from1+1, to1, from2+1, to2 )
mode = Write( tmp1_map_row2col, row_seq, col_seq, link,
no_gaps = options.no_gaps,
no_identical = options.no_identical,
min_length = options.min_length,
suffix1="_%s" % str(a),
suffix2="_%s" % str(b),
outfile = outfile,
pair_filter = map_pair2hid,
format = options.format )
if mode not in counts: counts[mode] = 0
counts[mode] += 1
else:
mode = Write( map_row2col, row_seq, col_seq, link,
min_length = options.min_length,
no_gaps = options.no_gaps,
no_identical = options.no_identical,
outfile = outfile,
pair_filter = map_pair2hids,
format = options.format )
if mode not in counts: counts[mode] = 0
counts[mode] += 1
noutput += 1
if outfile: outfile.close()
if options.loglevel >= 1:
options.stdlog.write("# %s\n" % ", ".join( map( lambda x,y: "%s=%i" % (x,y), counts.keys(), counts.values() ) ))
options.stdlog.write("# ninput=%i, noutput=%i, nskipped=%i\n" % (ninput, noutput, nskipped) )
E.Stop()
def Write(map_row2col,
row_seq,
col_seq,
link,
no_gaps=False,
no_identical=False,
min_length=0,
suffix1="",
suffix2="",
outfile=None,
pair_filter=None,
format="fasta"):
"""write alignment based on map_row2col."""
status = None
filter_status = "new"
if map_row2col.getLength() == 0:
status = "empty"
if not status:
f = alignlib_lite.py_AlignmentFormatExplicit(map_row2col, row_seq,
col_seq)
row_from = map_row2col.getRowFrom()
row_to = map_row2col.getRowTo()
col_from = map_row2col.getColFrom()
col_to = map_row2col.getColTo()
row_ali, col_ali = f.mRowAlignment, f.mColAlignment
if not status:
if no_gaps:
# remove gaps from fasta
r = []
c = []
for x in range(len(row_ali)):
if row_ali[x] != "-" and col_ali[x] != "-":
r.append(row_ali[x])
c.append(col_ali[x])
row_ali = string.join(r, "")
col_ali = string.join(c, "")
if not status and len(row_ali) < min_length:
status = "length"
if not status and no_identical:
if row_ali == col_ali:
status = "identical"
if not status:
if pair_filter:
id = "%s-%s" % (link.mQueryToken, link.mSbjctToken)
if id in pair_filter:
h = Genomics.GetHID(row_ali + ";" + col_ali)
if h in pair_filter[id]:
filter_status = "old"
translation1 = Genomics.TranslateDNA2Protein(row_ali)
translation2 = Genomics.TranslateDNA2Protein(col_ali)
if "X" in translation1 or "x" in translation2:
status = "stops"
else:
status = "success"
if filter_status == "new":
if format == "fasta":
print ">%s%s %s %s\n%s\n>%s%s %s %s\n%s" % (
link.mQueryToken, suffix1, row_from, row_to, row_ali,
link.mSbjctToken, suffix2, col_from, col_to, col_ali)
elif format == "dummy":
pass
else:
raise ValueError("unknown format")
if outfile:
outfile.write("%s%s\t%s%s\t%s\t%i\t%s\n" %
(link.mQueryToken, suffix1, link.mSbjctToken, suffix2,
status, map_row2col.getLength(), filter_status))
return status
def main(argv=None):
"""script main.
parses command line options in sys.argv, unless *argv* is given.
"""
if argv is None:
argv = sys.argv
parser = E.OptionParser(
version=
"%prog version: $Id: links2fasta.py 2446 2009-01-27 16:32:35Z andreas $",
usage=globals()["__doc__"])
parser.add_option("-s",
"--sequences",
dest="filename_sequences",
type="string",
help="peptide sequence [Default=%default]")
parser.add_option("-f",
"--format",
dest="format",
type="string",
help="output format [Default=%default]")
parser.add_option(
"-e",
"--expand",
dest="expand",
action="store_true",
help=
"expand positions from peptide to nucleotide alignment [Default=%default]"
)
parser.add_option("-m",
"--map",
dest="filename_map",
type="string",
help="map alignments [Default=%default]")
parser.add_option("-c",
"--codons",
dest="require_codons",
action="store_true",
help="require codons [Default=%default]")
parser.add_option(
"--one-based-coordinates",
dest="one_based_coordinates",
action="store_true",
help=
"expect one-based coordinates. The default are zero based coordinates [Default=%default]."
)
parser.add_option("--no-identical",
dest="no_identical",
action="store_true",
help="do not output identical pairs [Default=%default]")
parser.add_option(
"-g",
"--no-gaps",
dest="no_gaps",
action="store_true",
help="remove all gaps from aligned sequences [Default=%default]")
parser.add_option("-x",
"--exons",
dest="filename_exons",
type="string",
help="filename with exon boundaries [Default=%default]")
parser.add_option("-o",
"--outfile",
dest="filename_outfile",
type="string",
help="filename to save links [Default=%default]")
parser.add_option("--min-length",
dest="min_length",
type="int",
help="minimum length of alignment [Default=%default]")
parser.add_option(
"--filter",
dest="filename_filter",
type="string",
help=
"given a set of previous alignments, only write new pairs [Default=%default]."
)
parser.set_defaults(filename_sequences=None,
filename_exons=None,
filename_map=None,
filename_outfile=None,
no_gaps=False,
format="fasta",
expand=False,
require_codons=False,
no_identical=False,
min_length=0,
report_step=100,
one_based_coordinates=False,
filename_filter=None)
(options, args) = E.Start(parser, add_mysql_options=True)
t0 = time.time()
if options.filename_sequences:
sequences = Genomics.ReadPeptideSequences(
open(options.filename_sequences, "r"))
else:
sequences = {}
if options.loglevel >= 1:
options.stdlog.write("# read %i sequences\n" % len(sequences))
sys.stdout.flush()
if options.filename_exons:
exons = Exons.ReadExonBoundaries(open(options.filename_exons, "r"))
else:
exons = {}
if options.loglevel >= 1:
options.stdlog.write("# read %i exons\n" % len(exons))
sys.stdout.flush()
if options.filename_map:
map_old2new = {}
for line in open(options.filename_map, "r"):
if line[0] == "#":
continue
m = Map()
m.read(line)
map_old2new[m.mToken] = m
else:
map_old2new = {}
if options.loglevel >= 1:
options.stdlog.write("# read %i maps\n" % len(map_old2new))
sys.stdout.flush()
if options.filename_filter:
if options.loglevel >= 1:
options.stdlog.write("# reading filtering information.\n")
sys.stdout.flush()
map_pair2hids = {}
if os.path.exists(options.filename_filter):
infile = open(options.filename_filter, "r")
iterator = FastaIterator.FastaIterator(infile)
while 1:
cur_record = iterator.next()
if cur_record is None:
break
record1 = cur_record
cur_record = iterator.next()
if cur_record is None:
break
record2 = cur_record
identifier1 = re.match("(\S+)", record1.title).groups()[0]
identifier2 = re.match("(\S+)", record2.title).groups()[0]
id = "%s-%s" % (identifier1, identifier2)
s = Genomics.GetHID(record1.sequence + ";" + record2.sequence)
if id not in map_pair2hids:
map_pair2hids[id] = []
map_pair2hids[id].append(s)
infile.close()
if options.loglevel >= 1:
options.stdlog.write(
"# read filtering information for %i pairs.\n" %
len(map_pair2hids))
sys.stdout.flush()
else:
map_pair2hids = None
if options.loglevel >= 1:
options.stdlog.write("# finished input in %i seconds.\n" %
(time.time() - t0))
if options.filename_outfile:
outfile = open(options.filename_outfile, "w")
else:
outfile = None
map_row2col = alignlib_lite.py_makeAlignmentVector()
tmp1_map_row2col = alignlib_lite.py_makeAlignmentVector()
counts = {}
iterations = 0
t1 = time.time()
ninput, nskipped, noutput = 0, 0, 0
for link in BlastAlignments.iterator_links(sys.stdin):
iterations += 1
ninput += 1
if options.loglevel >= 1:
if (iterations % options.report_step == 0):
options.stdlog.write("# iterations: %i in %i seconds.\n" %
(iterations, time.time() - t1))
sys.stdout.flush()
if link.mQueryToken not in sequences or \
link.mSbjctToken not in sequences:
nskipped += 1
continue
if options.loglevel >= 3:
options.stdlog.write("# read link %s\n" % str(link))
row_seq = alignlib_lite.py_makeSequence(sequences[link.mQueryToken])
col_seq = alignlib_lite.py_makeSequence(sequences[link.mSbjctToken])
if options.one_based_coordinates:
link.mQueryFrom -= 1
link.mSbjctFrom -= 1
if options.expand:
link.mQueryFrom = link.mQueryFrom * 3
link.mSbjctFrom = link.mSbjctFrom * 3
link.mQueryAli = ScaleAlignment(link.mQueryAli, 3)
link.mSbjctAli = ScaleAlignment(link.mSbjctAli, 3)
map_row2col.clear()
alignlib_lite.py_AlignmentFormatEmissions(
link.mQueryFrom, link.mQueryAli, link.mSbjctFrom,
link.mSbjctAli).copy(map_row2col)
if link.mQueryToken in map_old2new:
tmp1_map_row2col.clear()
map_old2new[link.mQueryToken].expand()
if options.loglevel >= 3:
options.stdlog.write("# combining in row with %s\n" % str(
alignlib_lite.py_AlignmentFormatEmissions(
map_old2new[link.mQueryToken].mMapOld2New)))
alignlib_lite.py_combineAlignment(
tmp1_map_row2col, map_old2new[link.mQueryToken].mMapOld2New,
map_row2col, alignlib_lite.py_RR)
map_old2new[link.mQueryToken].clear()
alignlib_lite.py_copyAlignment(map_row2col, tmp1_map_row2col)
if link.mSbjctToken in map_old2new:
tmp1_map_row2col.clear()
map_old2new[link.mSbjctToken].expand()
if options.loglevel >= 3:
options.stdlog.write("# combining in col with %s\n" % str(
alignlib_lite.py_AlignmentFormatEmissions(
map_old2new[link.mSbjctToken].mMapOld2New)))
alignlib_lite.py_combineAlignment(
tmp1_map_row2col, map_row2col,
map_old2new[link.mSbjctToken].mMapOld2New, alignlib_lite.py_CR)
map_old2new[link.mSbjctToken].clear()
alignlib_lite.py_copyAlignment(map_row2col, tmp1_map_row2col)
dr = row_seq.getLength() - map_row2col.getRowTo()
dc = col_seq.getLength() - map_row2col.getColTo()
if dr < 0 or dc < 0:
raise ValueError(
"out of bounds alignment: %s-%s: alignment out of bounds. row=%i col=%i ali=%s"
%
(link.mQueryToken, link.mSbjctToken, row_seq.getLength(),
col_seq.getLength(),
str(alignlib_lite.py_AlignmentFormatEmissions(map_row2col))))
if options.loglevel >= 2:
options.stdlog.write(
str(
alignlib_lite.py_AlignmentFormatExplicit(
map_row2col, row_seq, col_seq)) + "\n")
# check for incomplete codons
if options.require_codons:
naligned = map_row2col.getNumAligned()
# turned off, while fixing alignlib_lite
if naligned % 3 != 0:
options.stdlog.write("# %s\n" % str(map_row2col))
options.stdlog.write("# %s\n" % str(link))
options.stdlog.write("# %s\n" %
str(map_old2new[link.mQueryToken]))
options.stdlog.write("# %s\n" %
str(map_old2new[link.mSbjctToken]))
options.stdlog.write("#\n%s\n" %
alignlib_lite.py_AlignmentFormatExplicit(
map_row2col, row_seq, col_seq))
raise ValueError(
"incomplete codons %i in pair %s - %s" %
(naligned, link.mQueryToken, link.mSbjctToken))
# if so desired, write on a per exon level:
if exons:
if link.mQueryToken not in exons:
raise IndexError("%s not found in exons" % (link.mQueryToken))
if link.mSbjctToken not in exons:
raise IndexError("%s not found in exons" % (link.mSbjctToken))
exons1 = exons[link.mQueryToken]
exons2 = exons[link.mSbjctToken]
# Get overlapping segments
segments = Exons.MatchExons(map_row2col, exons1, exons2)
for a, b in segments:
tmp1_map_row2col.clear()
# make sure you got codon boundaries. Note that frameshifts
# in previous exons will cause the codons to start at positions
# different from mod 3. The problem is that I don't know where
# the frameshifts occur exactly. The exon boundaries are given
# with respect to the cds, which include the frame shifts.
# Unfortunately, phase information seems to be incomplete in
# the input files.
from1, to1 = GetAdjustedBoundaries(a, exons1)
from2, to2 = GetAdjustedBoundaries(b, exons2)
alignlib_lite.py_copyAlignment(tmp1_map_row2col, map_row2col,
from1 + 1, to1, from2 + 1, to2)
mode = Write(tmp1_map_row2col,
row_seq,
col_seq,
link,
no_gaps=options.no_gaps,
no_identical=options.no_identical,
min_length=options.min_length,
suffix1="_%s" % str(a),
suffix2="_%s" % str(b),
outfile=outfile,
pair_filter=map_pair2hid,
format=options.format)
if mode not in counts:
counts[mode] = 0
counts[mode] += 1
else:
mode = Write(map_row2col,
row_seq,
col_seq,
link,
min_length=options.min_length,
no_gaps=options.no_gaps,
no_identical=options.no_identical,
outfile=outfile,
pair_filter=map_pair2hids,
format=options.format)
if mode not in counts:
counts[mode] = 0
counts[mode] += 1
noutput += 1
if outfile:
outfile.close()
if options.loglevel >= 1:
options.stdlog.write("# %s\n" % ", ".join(
map(lambda x, y: "%s=%i" %
(x, y), counts.keys(), counts.values())))
options.stdlog.write("# ninput=%i, noutput=%i, nskipped=%i\n" %
(ninput, noutput, nskipped))
E.Stop()
if unaligned_pair and \
unaligned_pair.mToken1 == pair.mToken1 and \
unaligned_pair.mToken2 == pair.mToken2 and \
unaligned_pair.mIntronId1 == pair.mIntronId1:
map_a2b = alignlib_lite.py_makeAlignmentVector()
f = AlignmentFormatEmissions(
pair.mFrom1,
pair.mAlignedSequence1,
pair.mFrom2,
pair.mAlignedSequence2).copy(map_a2b)
map_a2b.moveAlignment(-unaligned_pair.mFrom1 +
1, -unaligned_pair.mFrom2 + 1)
data = alignlib_lite.py_AlignmentFormatExplicit(map_a2b,
alignlib_lite.py_makeSequence(
unaligned_pair.mAlignedSequence1),
alignlib_lite.py_makeSequence(unaligned_pair.mAlignedSequence2))
from1, ali1, to1 = data.mRowFrom, data.mRowAlignment, data.mRowTo
from2, ali2, to2 = data.mColFrom, data.mColAlignment, data.mColTo
pair.mAlignedSequence1 = ali1
pair.mAlignedSequence2 = ali2
else:
raise "sequence not found for pair %s" % str(pair)
if param_do_gblocks:
if param_loglevel >= 4:
print "# length before: %i %i" % (len(pair.mAlignedSequence1), pair.mAligned)
pair.mAlignedSequence1, pair.mAlignedSequence2 = gblocks.GetBlocks(
def Write( map_row2col, row_seq, col_seq, link,
no_gaps = False, no_identical = False,
min_length = 0,
suffix1="", suffix2="",
outfile = None,
pair_filter = None,
format = "fasta" ):
"""write alignment based on map_row2col."""
status = None
filter_status = "new"
if map_row2col.getLength() == 0:
status = "empty"
if not status:
f = alignlib_lite.py_AlignmentFormatExplicit( map_row2col, row_seq, col_seq )
row_from = map_row2col.getRowFrom()
row_to = map_row2col.getRowTo()
col_from = map_row2col.getColFrom()
col_to = map_row2col.getColTo()
row_ali, col_ali = f.mRowAlignment, f.mColAlignment
if not status:
if no_gaps:
# remove gaps from fasta
r = []
c = []
for x in range(len(row_ali)):
if row_ali[x] != "-" and col_ali[x] != "-":
r.append( row_ali[x] )
c.append( col_ali[x] )
row_ali = string.join(r, "")
col_ali = string.join(c, "")
if not status and len(row_ali) < min_length:
status = "length"
if not status and no_identical:
if row_ali == col_ali:
status = "identical"
if not status:
if pair_filter:
id = "%s-%s" % (link.mQueryToken, link.mSbjctToken)
if id in pair_filter:
h = Genomics.GetHID( row_ali + ";" + col_ali )
if h in pair_filter[id]:
filter_status = "old"
translation1 = Genomics.TranslateDNA2Protein( row_ali )
translation2 = Genomics.TranslateDNA2Protein( col_ali )
if "X" in translation1 or "x" in translation2:
status = "stops"
else:
status = "success"
if filter_status == "new":
if format == "fasta":
print ">%s%s %s %s\n%s\n>%s%s %s %s\n%s" % (link.mQueryToken, suffix1, row_from, row_to, row_ali,
link.mSbjctToken, suffix2, col_from, col_to, col_ali )
elif format == "dummy":
pass
else:
raise ValueError("unknown format")
if outfile:
outfile.write( "%s%s\t%s%s\t%s\t%i\t%s\n" % (link.mQueryToken, suffix1, link.mSbjctToken, suffix2,
status, map_row2col.getLength(), filter_status ) )
return status
def getAlignmentFull(m, q, t, options):
"""print alignment with gaps in both query and target."""
a = alignlib_lite.py_AlignmentFormatExplicit(
m, alignlib_lite.py_makeSequence(q), alignlib_lite.py_makeSequence(t))
return a.mRowAlignment, a.mColAlignment
if param_is_compressed:
if unaligned_pair and \
unaligned_pair.mToken1 == pair.mToken1 and \
unaligned_pair.mToken2 == pair.mToken2 and \
unaligned_pair.mIntronId1 == pair.mIntronId1:
map_a2b = alignlib_lite.py_makeAlignmentVector()
f = AlignmentFormatEmissions(
pair.mFrom1, pair.mAlignedSequence1, pair.mFrom2,
pair.mAlignedSequence2).copy(map_a2b)
map_a2b.moveAlignment(-unaligned_pair.mFrom1 + 1,
-unaligned_pair.mFrom2 + 1)
data = alignlib_lite.py_AlignmentFormatExplicit(
map_a2b,
alignlib_lite.py_makeSequence(
unaligned_pair.mAlignedSequence1),
alignlib_lite.py_makeSequence(
unaligned_pair.mAlignedSequence2))
from1, ali1, to1 = data.mRowFrom, data.mRowAlignment, data.mRowTo
from2, ali2, to2 = data.mColFrom, data.mColAlignment, data.mColTo
pair.mAlignedSequence1 = ali1
pair.mAlignedSequence2 = ali2
else:
raise "sequence not found for pair %s" % str(pair)
if param_do_gblocks:
if param_loglevel >= 4:
print "# length before: %i %i" % (len(
def read(self, line):
data = string.split(line[:-1], "\t")
if len(data) == 26:
(
self.mPredictionId,
self.mQueryToken,
self.mSbjctToken,
self.mSbjctStrand,
self.mRank,
self.score,
self.mQueryFrom,
self.mQueryTo,
self.mQueryAli,
self.mSbjctFrom,
self.mSbjctTo,
self.mSbjctAli,
self.mQueryLength,
self.mQueryCoverage,
self.mNGaps,
self.mNFrameShifts,
self.mNIntrons,
self.mNSplits,
self.mNStopCodons,
self.mPercentIdentity,
self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom,
self.mSbjctGenomeTo,
self.mAlignmentString,
self.mNAssembled,
) = data
elif len(data) == 25:
(
self.mPredictionId,
self.mQueryToken,
self.mSbjctToken,
self.mSbjctStrand,
self.mRank,
self.score,
self.mQueryFrom,
self.mQueryTo,
self.mQueryAli,
self.mSbjctFrom,
self.mSbjctTo,
self.mSbjctAli,
self.mQueryLength,
self.mQueryCoverage,
self.mNGaps,
self.mNFrameShifts,
self.mNIntrons,
self.mNSplits,
self.mNStopCodons,
self.mPercentIdentity,
self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom,
self.mSbjctGenomeTo,
self.mAlignmentString,
) = data
elif len(data) == 24:
(
self.mQueryToken,
self.mSbjctToken,
self.mSbjctStrand,
self.mRank,
self.score,
self.mQueryFrom,
self.mQueryTo,
self.mQueryAli,
self.mSbjctFrom,
self.mSbjctTo,
self.mSbjctAli,
self.mQueryLength,
self.mQueryCoverage,
self.mNGaps,
self.mNFrameShifts,
self.mNIntrons,
self.mNSplits,
self.mNStopCodons,
self.mPercentIdentity,
self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom,
self.mSbjctGenomeTo,
self.mAlignmentString,
) = data
elif len(data) == 23:
(
self.mQueryToken,
self.mSbjctToken,
self.mSbjctStrand,
self.mRank,
self.score,
self.mQueryFrom,
self.mQueryTo,
self.mQueryAli,
self.mSbjctFrom,
self.mSbjctTo,
self.mSbjctAli,
self.mQueryLength,
self.mQueryCoverage,
self.mNGaps,
self.mNFrameShifts,
self.mNIntrons,
self.mNSplits,
self.mNStopCodons,
self.mPercentIdentity,
self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom,
self.mSbjctGenomeTo,
) = data
self.mAlignmentString = ""
else:
raise ValueError, "unknown format: %i fields in line %s" % (
len(data), line[:-1])
(self.score, self.mQueryCoverage,
self.mPercentIdentity, self.mPercentSimilarity) = map(
float, (self.score, self.mQueryCoverage, self.mPercentIdentity,
self.mPercentSimilarity))
(self.mPredictionId, self.mQueryFrom, self.mQueryTo, self.mQueryLength,
self.mSbjctFrom, self.mSbjctTo, self.mSbjctGenomeFrom,
self.mSbjctGenomeTo, self.mNGaps, self.mNIntrons, self.mNSplits,
self.mNStopCodons, self.mNFrameShifts, self.mNAssembled) = map(
int, (self.mPredictionId, self.mQueryFrom, self.mQueryTo,
self.mQueryLength, self.mSbjctFrom, self.mSbjctTo,
self.mSbjctGenomeFrom, self.mSbjctGenomeTo, self.mNGaps,
self.mNIntrons, self.mNSplits, self.mNStopCodons,
self.mNFrameShifts, self.mNAssembled))
if self.mExpand:
self.mMapPeptide2Translation = alignlib_lite.py_makeAlignmentVector(
)
if self.mQueryAli != "" and self.mSbjctAli != "":
alignlib_lite.py_AlignmentFormatExplicit(
self.mQueryFrom, self.mQueryAli, self.mSbjctFrom,
self.mSbjctAli).copy(self.mMapPeptide2Translation)
self.mMapPeptide2Genome = Genomics.String2Alignment(
self.mAlignmentString)
def getAlignmentFull(m, q, t, options):
"""print alignment with gaps in both query and target."""
a = alignlib_lite.py_AlignmentFormatExplicit(
m, alignlib_lite.py_makeSequence(q), alignlib_lite.py_makeSequence(t))
return a.mRowAlignment, a.mColAlignment
def read( self, line ):
data = string.split( line[:-1], "\t")
if len(data) == 26:
( self.mPredictionId,
self.mQueryToken, self.mSbjctToken, self.mSbjctStrand,
self.mRank, self.score,
self.mQueryFrom, self.mQueryTo, self.mQueryAli,
self.mSbjctFrom, self.mSbjctTo, self.mSbjctAli,
self.mQueryLength, self.mQueryCoverage,
self.mNGaps, self.mNFrameShifts, self.mNIntrons,
self.mNSplits, self.mNStopCodons,
self.mPercentIdentity, self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom, self.mSbjctGenomeTo,
self.mAlignmentString, self.mNAssembled,
) = data
elif len(data) == 25:
( self.mPredictionId,
self.mQueryToken, self.mSbjctToken, self.mSbjctStrand,
self.mRank, self.score,
self.mQueryFrom, self.mQueryTo, self.mQueryAli,
self.mSbjctFrom, self.mSbjctTo, self.mSbjctAli,
self.mQueryLength, self.mQueryCoverage,
self.mNGaps, self.mNFrameShifts, self.mNIntrons,
self.mNSplits, self.mNStopCodons,
self.mPercentIdentity, self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom, self.mSbjctGenomeTo,
self.mAlignmentString,
) = data
elif len(data) == 24:
( self.mQueryToken, self.mSbjctToken, self.mSbjctStrand,
self.mRank, self.score,
self.mQueryFrom, self.mQueryTo, self.mQueryAli,
self.mSbjctFrom, self.mSbjctTo, self.mSbjctAli,
self.mQueryLength, self.mQueryCoverage,
self.mNGaps, self.mNFrameShifts, self.mNIntrons,
self.mNSplits, self.mNStopCodons,
self.mPercentIdentity, self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom, self.mSbjctGenomeTo,
self.mAlignmentString,
) = data
elif len(data) == 23:
( self.mQueryToken, self.mSbjctToken, self.mSbjctStrand,
self.mRank, self.score,
self.mQueryFrom, self.mQueryTo, self.mQueryAli,
self.mSbjctFrom, self.mSbjctTo, self.mSbjctAli,
self.mQueryLength, self.mQueryCoverage,
self.mNGaps, self.mNFrameShifts, self.mNIntrons,
self.mNSplits, self.mNStopCodons,
self.mPercentIdentity, self.mPercentSimilarity,
self.mTranslation,
self.mSbjctGenomeFrom, self.mSbjctGenomeTo,
) = data
self.mAlignmentString = ""
else:
raise ValueError, "unknown format: %i fields in line %s" % (len(data), line[:-1])
(self.score, self.mQueryCoverage, self.mPercentIdentity, self.mPercentSimilarity) = map (\
float, (self.score, self.mQueryCoverage, self.mPercentIdentity, self.mPercentSimilarity))
(self.mPredictionId,
self.mQueryFrom, self.mQueryTo, self.mQueryLength,
self.mSbjctFrom, self.mSbjctTo,
self.mSbjctGenomeFrom, self.mSbjctGenomeTo,
self.mNGaps, self.mNIntrons, self.mNSplits, self.mNStopCodons,
self.mNFrameShifts, self.mNAssembled) = map (\
int, ( self.mPredictionId,
self.mQueryFrom, self.mQueryTo, self.mQueryLength,
self.mSbjctFrom, self.mSbjctTo,
self.mSbjctGenomeFrom, self.mSbjctGenomeTo,
self.mNGaps, self.mNIntrons, self.mNSplits, self.mNStopCodons,
self.mNFrameShifts, self.mNAssembled))
if self.mExpand:
self.mMapPeptide2Translation = alignlib_lite.py_makeAlignmentVector()
if self.mQueryAli != "" and self.mSbjctAli != "":
alignlib_lite.py_AlignmentFormatExplicit(
self.mQueryFrom, self.mQueryAli,
self.mSbjctFrom, self.mSbjctAli).copy( self.mMapPeptide2Translation )
self.mMapPeptide2Genome = Genomics.String2Alignment( self.mAlignmentString )
