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Commit fba10c7e authored by jkvis's avatar jkvis
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Fixed repeat structure within variants

parent 57113309
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extractor/describe.py
View file @ fba10c7e
......@@ -360,7 +360,7 @@ def mask_string(string, units):
def describe_repeats(reference, sample, units):
MASK = '$'
masked_ref, ref_rep = mask_string(reference, units)
masked_ref, _ = mask_string(reference, units)
masked_alt, repeats = mask_string(sample, units)
reference_start = max(0, masked_ref.find(MASK))
......@@ -372,10 +372,6 @@ def describe_repeats(reference, sample, units):
prefix = describe_dna(reference[:reference_start], sample[:sample_start])
for variant in prefix:
if variant.type != 'none':
variant.start -= reference_start + 1
variant.end -= reference_start + 1
variant.sample_start -= sample_start + 1
variant.sample_end -= sample_end + 1
description.append(variant)
ref_swig = util.swig_str(masked_ref[reference_start:reference_end])
......@@ -383,14 +379,50 @@ def describe_repeats(reference, sample, units):
extracted = extractor.extract(ref_swig[0], ref_swig[1],
alt_swig[0], alt_swig[1], extractor.TYPE_DNA)
variant_list = []
for variant in extracted.variants:
replaced = []
i = variant.sample_start
start = i
while i < variant.sample_end:
while i < variant.sample_end and masked_alt[i + sample_start] != MASK:
i += 1
if i < variant.sample_end:
split = extractor.Variant()
split.reference_start = variant.reference_start
split.reference_end = variant.reference_end
split.sample_start = start
split.sample_end = i
split.type = variant.type
split.transposition_start = variant.transposition_start
split.transposition_end = variant.transposition_end
replaced.append(split)
while i < variant.sample_end and masked_alt[i + sample_start] == MASK:
i += 1
start = i
if len(replaced) > 0:
split = extractor.Variant()
split.reference_start = variant.reference_start
split.reference_end = variant.reference_end
split.sample_start = start
split.sample_end = variant.sample_end
split.type = variant.type
split.transposition_start = variant.transposition_start
split.transposition_end = variant.transposition_end
replaced.append(split)
variant_list += replaced
else:
variant_list.append(variant)
in_transposition = 0
index = 0
repeat = 0
seq_list = ISeqList()
for variant in extracted.variants:
for variant in variant_list:
while variant.sample_start > index and repeat < len(repeats):
seq_list.append(DNAVar(type='repeat',inserted=repeats[repeat]['unit'],count=repeats[repeat]['count']))
index = repeats[repeat]['start'] + repeats[repeat]['count'] * len(repeats[repeat]['unit']) - sample_start
index = repeats[repeat]['start'] + repeats[repeat]['count'] * len(repeats[repeat]['unit'])
repeat += 1
if variant.type & extractor.TRANSPOSITION_OPEN:
......@@ -398,24 +430,24 @@ def describe_repeats(reference, sample, units):
if in_transposition:
if variant.type & extractor.IDENTITY:
seq_list.append(ISeq(start=variant.transposition_start + 1,
end=variant.transposition_end, reverse=False,
seq_list.append(ISeq(start=variant.transposition_start + 1 + reference_start,
end=variant.transposition_end + reference_start, reverse=False,
weight_position=extracted.weight_position))
elif variant.type & extractor.REVERSE_COMPLEMENT:
seq_list.append(ISeq(start=variant.transposition_start + 1,
end=variant.transposition_end, reverse=True,
seq_list.append(ISeq(start=variant.transposition_start + 1 + reference_start,
end=variant.transposition_end + reference_start, reverse=True,
weight_position=extracted.weight_position))
else:
else: #bases insertion
seq_list.append(ISeq(
sequence=sample[variant.sample_start + sample_start:variant.sample_end + sample_start],
weight_position=extracted.weight_position))
elif variant.type & extractor.IDENTITY:
seq_list.append(ISeq(start=variant.reference_start + 1,
end=variant.reference_end, reverse=False,weight_position=extracted.weight_position))
seq_list.append(ISeq(start=variant.reference_start + 1 + reference_start,
end=variant.reference_end + reference_start, reverse=False,weight_position=extracted.weight_position))
elif variant.type & extractor.REVERSE_COMPLEMENT:
seq_list.append(ISeq(start=variant.reference_start + 1,
end=variant.reference_end, reverse=True,weight_position=extracted.weight_position))
else:
seq_list.append(ISeq(start=variant.reference_start + 1 + reference_start,
end=variant.reference_end + reference_start, reverse=True,weight_position=extracted.weight_position))
else: #bases insertion
seq_list.append(ISeq(sequence=sample[variant.sample_start + sample_start:variant.sample_end + sample_start],
weight_position=extracted.weight_position))
......@@ -428,15 +460,11 @@ def describe_repeats(reference, sample, units):
seq_list.append(DNAVar(type='repeat',inserted=repeats[repeat]['unit'],count=repeats[repeat]['count']))
repeat += 1
description.append(DNAVar(start=1,end=reference_end - reference_start,sample_start=1,sample_end=len(sample),type='delins',inserted=seq_list))
description.append(DNAVar(start=reference_start + 1,end=reference_end,sample_start=sample_start,sample_end=sample_end,type='delins',inserted=seq_list))
suffix = describe_dna(reference[reference_end:], sample[sample_end:])
for variant in suffix:
if variant.type != 'none':
variant.start += reference_end - reference_start
variant.end += reference_end - reference_start
variant.sample_start += sample_end - sample_start
variant.sample_end += sample_end - sample_start
description.append(variant)
return description
......
repeat-extractor.py
View file @ fba10c7e
......@@ -95,20 +95,39 @@ for line in lines:
else:
sequences[label] = [string.strip()]
for sequence in sequences:
reference = sequences[sequence][0]
repeats = short_sequence_repeat_extractor(reference, min_length)
units = {}
for repeat in repeats:
if repeat.count + 1 >= min_count:
units[reference[repeat.start:repeat.end]] = repeat.count + 1
unit_list = []
for unit in units:
unit_list.append(unit)
print sequence, unit_list
for string in sequences[sequence]:
description = describe_repeats(reference, string, unit_list)
print 'l.{}'.format(description)
print
select = 'D8S1179'
unit_list = ['TCTA', 'TATC']
reference = sequences[select][0]
sample = sequences[select][7]
description = describe_repeats(reference, sample, unit_list)
print 'l.{}'.format(description)
#for sequence in sequences:
# best = 0
# for string in sequences[sequence]:
# repeats = short_sequence_repeat_extractor(string, min_length)
# score = 0
# for repeat in repeats:
# if repeat.count + 1 >= min_count:
# score += (repeat.end - repeat.start) * (repeat.end - repeat.start) * (repeat.count + 1)
# if score > best:
# reference = string
# best = score
# repeats = short_sequence_repeat_extractor(reference, min_length)
# units = {}
# for repeat in repeats:
# if repeat.count + 1 >= min_count:
# units[reference[repeat.start:repeat.end]] = repeat.count + 1
# unit_list = []
# for unit in units:
# unit_list.append(unit)
# print sequence, unit_list
# reference = sequences[sequence][0]
# for string in sequences[sequence]:
# description = describe_repeats(reference, string, unit_list)
# print 'l.{}'.format(description)
# print
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