comparison scripts/ReMatCh/modules/rematch_module.py @ 0:965517909457 draft

planemo upload commit 15239f1674081ab51ab8dd75a9a40cf1bfaa93e8
author cstrittmatter
date Wed, 22 Jan 2020 08:41:44 -0500
parents
children 0cbed1c0a762
comparison
equal deleted inserted replaced
-1:000000000000 0:965517909457
1 import os.path
2 import multiprocessing
3 import utils
4 import functools
5 import sys
6 import pickle
7
8
9 def index_fasta_samtools(fasta, region_None, region_outfile_none, print_comand_True):
10 command = ['samtools', 'faidx', fasta, '', '', '']
11 shell_true = False
12 if region_None is not None:
13 command[3] = region_None
14 if region_outfile_none is not None:
15 command[4] = '>'
16 command[5] = region_outfile_none
17 shell_true = True
18 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, shell_true, None, print_comand_True)
19 return run_successfully, stdout
20
21
22 # Indexing reference file using Bowtie2
23 def indexSequenceBowtie2(referenceFile, threads):
24 if os.path.isfile(str(referenceFile + '.1.bt2')):
25 run_successfully = True
26 else:
27 command = ['bowtie2-build', '--threads', str(threads), referenceFile, referenceFile]
28 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, True)
29 return run_successfully
30
31
32 # Mapping with Bowtie2
33 def mappingBowtie2(fastq_files, referenceFile, threads, outdir, conserved_True, numMapLoc, bowtieOPT):
34 sam_file = os.path.join(outdir, str('alignment.sam'))
35
36 # Index reference file
37 run_successfully = indexSequenceBowtie2(referenceFile, threads)
38
39 if run_successfully:
40 command = ['bowtie2', '-k', str(numMapLoc), '-q', '', '--threads', str(threads), '-x', referenceFile, '', '--no-unal', '', '-S', sam_file]
41
42 if len(fastq_files) == 1:
43 command[9] = '-U ' + fastq_files[0]
44 elif len(fastq_files) == 2:
45 command[9] = '-1 ' + fastq_files[0] + ' -2 ' + fastq_files[1]
46 else:
47 return False, None
48
49 if conserved_True:
50 command[4] = '--sensitive'
51 else:
52 command[4] = '--very-sensitive-local'
53
54 if bowtieOPT is not None:
55 command[11] = bowtieOPT
56
57 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, True)
58
59 if not run_successfully:
60 sam_file = None
61
62 return run_successfully, sam_file
63
64
65 def split_cigar(cigar):
66 cigars = ['M', 'I', 'D', 'N', 'S', 'H', 'P', '=', 'X']
67
68 splited_cigars = []
69 numbers = ''
70 for char in cigar:
71 if char not in cigars:
72 numbers += char
73 else:
74 splited_cigars.append([int(numbers), char])
75 numbers = ''
76
77 return splited_cigars
78
79
80 def recode_cigar_based_on_base_quality(cigar, bases_quality, softClip_baseQuality, mapping_position, direct_strand_true, softClip_cigarFlagRecode):
81 cigar = split_cigar(cigar)
82 soft_left = []
83 soft_right = []
84 cigar_flags_for_reads_length = ('M', 'I', 'S', '=', 'X')
85 read_length_without_right_s = sum([cigar_part[0] for cigar_part in cigar if cigar_part[1] in cigar_flags_for_reads_length]) - (cigar[len(cigar) - 1][0] if cigar[len(cigar) - 1][1] == 'S' else 0)
86 for x, base in enumerate(bases_quality):
87 if ord(base) - 33 >= softClip_baseQuality:
88 if x <= cigar[0][0] - 1:
89 if cigar[0][1] == 'S':
90 soft_left.append(x)
91 elif x > read_length_without_right_s - 1:
92 if cigar[len(cigar) - 1][1] == 'S':
93 soft_right.append(x)
94
95 left_changed = (False, 0)
96 if len(soft_left) > 0:
97 soft_left = min(soft_left) + 1
98 if soft_left == 1:
99 cigar = [[cigar[0][0], softClip_cigarFlagRecode]] + cigar[1:]
100 left_changed = (True, cigar[0][0])
101 elif cigar[0][0] - soft_left > 0:
102 cigar = [[soft_left, 'S']] + [[cigar[0][0] - soft_left, softClip_cigarFlagRecode]] + cigar[1:]
103 left_changed = (True, cigar[0][0] - soft_left)
104
105 right_changed = (False, 0)
106 if len(soft_right) > 0:
107 soft_right = max(soft_right) + 1
108 cigar = cigar[:-1]
109 if soft_right - read_length_without_right_s > 0:
110 cigar.append([soft_right - read_length_without_right_s, softClip_cigarFlagRecode])
111 right_changed = (True, soft_right - read_length_without_right_s)
112 if len(bases_quality) - soft_right > 0:
113 cigar.append([len(bases_quality) - soft_right, 'S'])
114
115 if left_changed[0]:
116 # if direct_strand_true:
117 mapping_position = mapping_position - left_changed[1]
118 # if right_changed[0]:
119 # if not direct_strand_true:
120 # mapping_position = mapping_position + right_changed[1]
121
122 return ''.join([str(cigar_part[0]) + cigar_part[1] for cigar_part in cigar]), str(mapping_position)
123
124
125 def verify_is_forward_read(sam_flag_bit):
126 # 64 = 1000000
127 forward_read = False
128 bit = format(sam_flag_bit, 'b').zfill(7)
129 if bit[-7] == '1':
130 forward_read = True
131 return forward_read
132
133
134 def verify_mapped_direct_strand(sam_flag_bit):
135 # 16 = 10000 -> mapped in reverse strand
136 direct_strand = False
137 bit = format(sam_flag_bit, 'b').zfill(5)
138 if bit[-5] == '0':
139 direct_strand = True
140 return direct_strand
141
142
143 def verify_mapped_tip(reference_length, mapping_position, read_length, cigar):
144 tip = False
145 if 'S' in cigar:
146 cigar = split_cigar(cigar)
147 if cigar[0][1] == 'S':
148 if mapping_position - cigar[0][0] < 0:
149 tip = True
150 if cigar[len(cigar) - 1][1] == 'S':
151 if mapping_position + cigar[len(cigar) - 1][0] > reference_length:
152 tip = True
153 return tip
154
155
156 def change_sam_flag_bit_mapped_reverse_strand_2_direct_strand(sam_flag_bit):
157 bit = list(format(sam_flag_bit, 'b').zfill(5))
158 bit[-5] = '0'
159 return int(''.join(bit), 2)
160
161
162 def change_sam_flag_bit_mate_reverse_strand_2_direct_strand(sam_flag_bit):
163 bit = list(format(sam_flag_bit, 'b').zfill(6))
164 bit[-6] = '0'
165 return int(''.join(bit), 2)
166
167
168 def move_read_mapped_reverse_strand_2_direct_strand(seq, bases_quality, sam_flag_bit, cigar):
169 seq = utils.reverse_complement(seq)
170 bases_quality = ''.join(reversed(list(bases_quality)))
171 sam_flag_bit = change_sam_flag_bit_mapped_reverse_strand_2_direct_strand(sam_flag_bit)
172 cigar = ''.join([str(cigar_part[0]) + cigar_part[1] for cigar_part in reversed(split_cigar(cigar))])
173 return seq, bases_quality, str(sam_flag_bit), cigar
174
175
176 @utils.trace_unhandled_exceptions
177 def parallelized_recode_soft_clipping(line_collection, pickleFile, softClip_baseQuality, sequences_length, softClip_cigarFlagRecode):
178 lines_sam = []
179 for line in line_collection:
180 line = line.splitlines()[0]
181 if len(line) > 0:
182 if line.startswith('@'):
183 lines_sam.append(line)
184 else:
185 line = line.split('\t')
186 if not verify_mapped_tip(sequences_length[line[2]], int(line[3]), len(line[9]), line[5]):
187 line[5], line[3] = recode_cigar_based_on_base_quality(line[5], line[10], softClip_baseQuality, int(line[3]), verify_mapped_direct_strand(int(line[1])), softClip_cigarFlagRecode)
188 lines_sam.append('\t'.join(line))
189 with open(pickleFile, 'wb') as writer:
190 pickle.dump(lines_sam, writer)
191
192
193 def recode_soft_clipping_from_sam(sam_file, outdir, threads, softClip_baseQuality, reference_dict, softClip_cigarFlagRecode):
194 pickle_files = []
195 sequences_length = {}
196 for x, seq_info in reference_dict.items():
197 sequences_length[seq_info['header']] = seq_info['length']
198
199 with open(sam_file, 'rtU') as reader:
200 pool = multiprocessing.Pool(processes=threads)
201 line_collection = []
202 x = 0
203 for x, line in enumerate(reader):
204 line_collection.append(line)
205 if x % 10000 == 0:
206 pickleFile = os.path.join(outdir, 'remove_soft_clipping.' + str(x) + '.pkl')
207 pickle_files.append(pickleFile)
208 pool.apply_async(parallelized_recode_soft_clipping, args=(line_collection, pickleFile, softClip_baseQuality, sequences_length, softClip_cigarFlagRecode,))
209 line_collection = []
210 if len(line_collection) > 0:
211 pickleFile = os.path.join(outdir, 'remove_soft_clipping.' + str(x) + '.pkl')
212 pickle_files.append(pickleFile)
213 pool.apply_async(parallelized_recode_soft_clipping, args=(line_collection, pickleFile, softClip_baseQuality, sequences_length, softClip_cigarFlagRecode,))
214 line_collection = []
215 pool.close()
216 pool.join()
217
218 os.remove(sam_file)
219
220 new_sam_file = os.path.join(outdir, 'alignment_with_soft_clipping_recoded.sam')
221 with open(new_sam_file, 'wt') as writer:
222 for pickleFile in pickle_files:
223 if os.path.isfile(pickleFile):
224 lines_sam = None
225 with open(pickleFile, 'rb') as reader:
226 lines_sam = pickle.load(reader)
227 if lines_sam is not None:
228 for line in lines_sam:
229 writer.write(line + '\n')
230 os.remove(pickleFile)
231
232 return new_sam_file
233
234
235 # Sort alignment file
236 def sortAlignment(alignment_file, output_file, sortByName_True, threads):
237 outFormat_string = os.path.splitext(output_file)[1][1:].lower()
238 command = ['samtools', 'sort', '-o', output_file, '-O', outFormat_string, '', '-@', str(threads), alignment_file]
239 if sortByName_True:
240 command[6] = '-n'
241 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, True)
242 if not run_successfully:
243 output_file = None
244 return run_successfully, output_file
245
246
247 # Index alignment file
248 def indexAlignment(alignment_file):
249 command = ['samtools', 'index', alignment_file]
250 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, True)
251 return run_successfully
252
253
254 def mapping_reads(fastq_files, reference_file, threads, outdir, conserved_True, numMapLoc, rematch_run, softClip_baseQuality, softClip_recodeRun, reference_dict, softClip_cigarFlagRecode, bowtieOPT):
255 # Create a symbolic link to the reference_file
256 reference_link = os.path.join(outdir, os.path.basename(reference_file))
257 os.symlink(reference_file, reference_link)
258
259 bam_file = None
260 # Mapping reads using Bowtie2
261 run_successfully, sam_file = mappingBowtie2(fastq_files, reference_link, threads, outdir, conserved_True, numMapLoc, bowtieOPT)
262
263 if run_successfully:
264 # Remove soft clipping
265 if rematch_run == softClip_recodeRun or softClip_recodeRun == 'both':
266 print 'Recoding soft clipped regions'
267 sam_file = recode_soft_clipping_from_sam(sam_file, outdir, threads, softClip_baseQuality, reference_dict, softClip_cigarFlagRecode)
268
269 # Convert sam to bam and sort bam
270 run_successfully, bam_file = sortAlignment(sam_file, str(os.path.splitext(sam_file)[0] + '.bam'), False, threads)
271
272 if run_successfully:
273 os.remove(sam_file)
274 # Index bam
275 run_successfully = indexAlignment(bam_file)
276
277 return run_successfully, bam_file, reference_link
278
279
280 def create_vcf(bam_file, sequence_to_analyse, outdir, counter, reference_file):
281 gene_vcf = os.path.join(outdir, 'samtools_mpileup.sequence_' + str(counter) + '.vcf')
282
283 command = ['samtools', 'mpileup', '--count-orphans', '--no-BAQ', '--min-BQ', '0', '--min-MQ', str(7), '--fasta-ref', reference_file, '--region', sequence_to_analyse, '--output', gene_vcf, '--VCF', '--uncompressed', '--output-tags', 'INFO/AD,AD,DP', bam_file]
284
285 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, False)
286 if not run_successfully:
287 gene_vcf = None
288 return run_successfully, gene_vcf
289
290
291 # Read vcf file
292 class Vcf():
293 def __init__(self, vcfFile):
294 self.vcf = open(vcfFile, 'rtU')
295 self.line_read = self.vcf.readline()
296 while self.line_read.startswith('#'):
297 self.line_read = self.vcf.readline()
298 self.line = self.line_read
299
300 def readline(self):
301 self.line_stored = self.line
302 self.line = self.vcf.readline()
303 return self.line_stored
304
305 def close(self):
306 self.vcf.close()
307
308
309 def get_variants(gene_vcf):
310 variants = {}
311
312 vfc_file = Vcf(gene_vcf)
313 line = vfc_file.readline()
314 while len(line) > 0:
315 fields = line.splitlines()[0].split('\t')
316 if len(fields) > 0:
317 fields[1] = int(fields[1])
318
319 info_field = {}
320 for i in fields[7].split(';'):
321 i = i.split('=')
322 if len(i) > 1:
323 info_field[i[0]] = i[1]
324 else:
325 info_field[i[0]] = None
326
327 format_field = {}
328 format_field_name = fields[8].split(':')
329 format_data = fields[9].split(':')
330
331 for i in range(0, len(format_data)):
332 format_field[format_field_name[i]] = format_data[i].split(',')
333
334 fields_to_store = {'REF': fields[3], 'ALT': fields[4].split(','), 'info': info_field, 'format': format_field}
335 if fields[1] in variants:
336 variants[fields[1]][len(variants[fields[1]])] = fields_to_store
337 else:
338 variants[fields[1]] = {0: fields_to_store}
339
340 line = vfc_file.readline()
341 vfc_file.close()
342
343 return variants
344
345
346 def indel_entry(variant_position):
347 entry_with_indel = []
348 entry_with_snp = None
349 for i in variant_position:
350 keys = variant_position[i]['info'].keys()
351 if 'INDEL' in keys:
352 entry_with_indel.append(i)
353 else:
354 entry_with_snp = i
355
356 return entry_with_indel, entry_with_snp
357
358
359 def get_alt_noMatter(variant_position, indel_true):
360 dp = sum(map(int, variant_position['format']['AD']))
361 index_alleles_sorted_position = sorted(zip(map(int, variant_position['format']['AD']), range(0, len(variant_position['format']['AD']))), reverse=True)
362 index_dominant_allele = None
363 if not indel_true:
364 ad_idv = index_alleles_sorted_position[0][0]
365
366 if len([x for x in index_alleles_sorted_position if x[0] == ad_idv]) > 1:
367 index_alleles_sorted_position = sorted([x for x in index_alleles_sorted_position if x[0] == ad_idv])
368
369 index_dominant_allele = index_alleles_sorted_position[0][1]
370 if index_dominant_allele == 0:
371 alt = '.'
372 else:
373 alt = variant_position['ALT'][index_dominant_allele - 1]
374
375 else:
376 ad_idv = int(variant_position['info']['IDV'])
377
378 if float(ad_idv) / float(dp) >= 0.5:
379 if len([x for x in index_alleles_sorted_position if x[0] == index_alleles_sorted_position[0][0]]) > 1:
380 index_alleles_sorted_position = sorted([x for x in index_alleles_sorted_position if x[0] == index_alleles_sorted_position[0][0]])
381
382 index_dominant_allele = index_alleles_sorted_position[0][1]
383 if index_dominant_allele == 0:
384 alt = '.'
385 else:
386 alt = variant_position['ALT'][index_dominant_allele - 1]
387 else:
388 ad_idv = int(variant_position['format']['AD'][0])
389 alt = '.'
390
391 return alt, dp, ad_idv, index_dominant_allele
392
393
394 def count_number_diferences(ref, alt):
395 number_diferences = 0
396
397 if len(ref) != len(alt):
398 number_diferences += 1
399
400 for i in range(0, min(len(ref), len(alt))):
401 if alt[i] != 'N' and ref[i] != alt[i]:
402 number_diferences += 1
403
404 return number_diferences
405
406
407 def get_alt_correct(variant_position, alt_noMatter, dp, ad_idv, index_dominant_allele, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele):
408 alt = None
409 low_coverage = False
410 multiple_alleles = False
411
412 if dp >= minimum_depth_presence:
413 if dp < minimum_depth_call:
414 alt = 'N' * len(variant_position['REF'])
415 low_coverage = True
416 else:
417 if ad_idv < minimum_depth_call:
418 alt = 'N' * len(variant_position['REF'])
419 low_coverage = True
420 if float(ad_idv) / float(dp) < minimum_depth_frequency_dominant_allele:
421 multiple_alleles = True
422 else:
423 if float(ad_idv) / float(dp) < minimum_depth_frequency_dominant_allele:
424 alt = 'N' * len(variant_position['REF'])
425 if index_dominant_allele is not None:
426 variants_coverage = [int(variant_position['format']['AD'][i]) for i in range(0, len(variant_position['ALT']) + 1) if i != index_dominant_allele]
427 if sum(variants_coverage) > 0:
428 if float(max(variants_coverage)) / float(sum(variants_coverage)) > 0.5:
429 multiple_alleles = True
430 elif float(max(variants_coverage)) / float(sum(variants_coverage)) == 0.5 and len(variants_coverage) > 2:
431 multiple_alleles = True
432 else:
433 multiple_alleles = True
434 else:
435 alt = alt_noMatter
436 else:
437 low_coverage = True
438
439 return alt, low_coverage, multiple_alleles
440
441
442 def get_alt_alignment(ref, alt):
443 if alt is None:
444 alt = 'N' * len(ref)
445 else:
446 if len(ref) != len(alt):
447 if len(alt) < len(ref):
448 if alt == '.':
449 alt = ref
450 alt += 'N' * (len(ref) - len(alt))
451 else:
452 if alt[:len(ref)] == ref:
453 alt = '.'
454 else:
455 alt = alt[:len(ref)]
456
457 return alt
458
459
460 def get_indel_more_likely(variant_position, indels_entry):
461 indel_coverage = {}
462 for i in indels_entry:
463 indel_coverage[i] = int(variant_position['info']['IDV'])
464 return indel_coverage.index(str(max(indel_coverage.values())))
465
466
467 def determine_variant(variant_position, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, indel_true):
468 alt_noMatter, dp, ad_idv, index_dominant_allele = get_alt_noMatter(variant_position, indel_true)
469
470 alt_correct, low_coverage, multiple_alleles = get_alt_correct(variant_position, alt_noMatter, dp, ad_idv, index_dominant_allele, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele)
471
472 alt_alignment = get_alt_alignment(variant_position['REF'], alt_correct)
473
474 return variant_position['REF'], alt_correct, low_coverage, multiple_alleles, alt_noMatter, alt_alignment
475
476
477 def confirm_nucleotides_indel(ref, alt, variants, position_start_indel, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, alignment_true):
478 alt = list(alt)
479
480 for i in range(0, len(alt) - 1):
481 if len(alt) < len(ref):
482 new_position = position_start_indel + len(alt) - i - 1
483 alt_position = len(alt) - i - 1
484 else:
485 if i + 1 > len(ref):
486 break
487 new_position = position_start_indel + 1 + i
488 alt_position = 1 + i
489
490 if alt[alt_position] != 'N':
491 if new_position not in variants:
492 if alignment_true:
493 alt[alt_position] = 'N'
494 else:
495 alt = alt[: alt_position]
496 break
497
498 entry_with_indel, entry_with_snp = indel_entry(variants[new_position])
499 new_ref, alt_correct, low_coverage, multiple_alleles, alt_noMatter, alt_alignment = determine_variant(variants[new_position][entry_with_snp], minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, False)
500 if alt_noMatter != '.' and alt[alt_position] != alt_noMatter:
501 alt[alt_position] = alt_noMatter
502
503 return ''.join(alt)
504
505
506 def snp_indel(variants, position, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele):
507 entry_with_indel, entry_with_snp = indel_entry(variants[position])
508
509 if len(entry_with_indel) == 0:
510 ref, alt_correct, low_coverage, multiple_alleles, alt_noMatter, alt_alignment = determine_variant(variants[position][entry_with_snp], minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, False)
511 else:
512 ref_snp, alt_correct_snp, low_coverage_snp, multiple_alleles_snp, alt_noMatter_snp, alt_alignment_snp = determine_variant(variants[position][entry_with_snp], minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, False)
513
514 indel_more_likely = entry_with_indel[0]
515 if len(entry_with_indel) > 1:
516 indel_more_likely = get_indel_more_likely(variants[position], entry_with_indel)
517
518 ref, alt_correct, low_coverage, multiple_alleles, alt_noMatter, alt_alignment = determine_variant(variants[position][indel_more_likely], minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, True)
519
520 if alt_noMatter == '.':
521 ref, alt_correct, low_coverage, multiple_alleles, alt_noMatter, alt_alignment = ref_snp, alt_correct_snp, low_coverage_snp, multiple_alleles_snp, alt_noMatter_snp, alt_alignment_snp
522 else:
523 if alt_correct is None and alt_correct_snp is not None:
524 alt_correct = alt_correct_snp
525 elif alt_correct is not None and alt_correct_snp is not None:
526 if alt_correct_snp != '.' and alt_correct[0] != alt_correct_snp:
527 alt_correct = alt_correct_snp + alt_correct[1:] if len(alt_correct) > 1 else alt_correct_snp
528 if alt_noMatter_snp != '.' and alt_noMatter[0] != alt_noMatter_snp:
529 alt_noMatter = alt_noMatter_snp + alt_noMatter[1:] if len(alt_noMatter) > 1 else alt_noMatter_snp
530 if alt_alignment_snp != '.' and alt_alignment[0] != alt_alignment_snp:
531 alt_alignment = alt_alignment_snp + alt_alignment[1:] if len(alt_alignment) > 1 else alt_alignment_snp
532
533 # if alt_noMatter != '.':
534 # alt_noMatter = confirm_nucleotides_indel(ref, alt_noMatter, variants, position, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, False)
535 # if alt_correct is not None and alt_correct != '.':
536 # alt_correct = confirm_nucleotides_indel(ref, alt_correct, variants, position, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, False)
537 # if alt_alignment != '.':
538 # alt_alignment = confirm_nucleotides_indel(ref, alt_alignment, variants, position, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, True)
539
540 return ref, alt_correct, low_coverage, multiple_alleles, alt_noMatter, alt_alignment
541
542
543 def get_true_variants(variants, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, sequence):
544 variants_correct = {}
545 variants_noMatter = {}
546 variants_alignment = {}
547
548 correct_absent_positions = {}
549 correct_last_absent_position = ''
550
551 noMatter_absent_positions = {}
552 noMatter_last_absent_position = ''
553
554 multiple_alleles_found = []
555
556 counter = 1
557 while counter <= len(sequence):
558 if counter in variants:
559 noMatter_last_absent_position = ''
560
561 ref, alt_correct, low_coverage, multiple_alleles, alt_noMatter, alt_alignment = snp_indel(variants, counter, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele)
562
563 if alt_alignment != '.':
564 variants_alignment[counter] = {'REF': ref, 'ALT': alt_alignment}
565
566 if alt_noMatter != '.':
567 variants_noMatter[counter] = {'REF': ref, 'ALT': alt_noMatter}
568
569 if alt_correct is None:
570 if counter - len(correct_last_absent_position) in correct_absent_positions:
571 correct_absent_positions[counter - len(correct_last_absent_position)]['REF'] += ref
572 else:
573 correct_absent_positions[counter] = {'REF': ref, 'ALT': ''}
574 correct_last_absent_position += ref
575 else:
576 if alt_correct != '.':
577 if len(alt_correct) < len(ref):
578 if len(alt_correct) == 1:
579 correct_absent_positions[counter + 1] = {'REF': ref[1:], 'ALT': ''}
580 else:
581 correct_absent_positions[counter + 1] = {'REF': ref[1:], 'ALT': alt_correct[1:]}
582
583 correct_last_absent_position = ref[1:]
584 else:
585 variants_correct[counter] = {'REF': ref, 'ALT': alt_correct}
586 correct_last_absent_position = ''
587 else:
588 correct_last_absent_position = ''
589
590 if multiple_alleles:
591 multiple_alleles_found.append(counter)
592
593 counter += len(ref)
594 else:
595 variants_alignment[counter] = {'REF': sequence[counter - 1], 'ALT': 'N'}
596
597 if counter - len(correct_last_absent_position) in correct_absent_positions:
598 correct_absent_positions[counter - len(correct_last_absent_position)]['REF'] += sequence[counter - 1]
599 else:
600 correct_absent_positions[counter] = {'REF': sequence[counter - 1], 'ALT': ''}
601 correct_last_absent_position += sequence[counter - 1]
602
603 if counter - len(noMatter_last_absent_position) in noMatter_absent_positions:
604 noMatter_absent_positions[counter - len(noMatter_last_absent_position)]['REF'] += sequence[counter - 1]
605 else:
606 noMatter_absent_positions[counter] = {'REF': sequence[counter - 1], 'ALT': ''}
607 noMatter_last_absent_position += sequence[counter - 1]
608
609 counter += 1
610
611 for position in correct_absent_positions:
612 if position == 1:
613 variants_correct[position] = {'REF': correct_absent_positions[position]['REF'], 'ALT': 'N'}
614 else:
615 if position - 1 not in variants_correct:
616 variants_correct[position - 1] = {'REF': sequence[position - 2] + correct_absent_positions[position]['REF'], 'ALT': sequence[position - 2] + correct_absent_positions[position]['ALT']}
617 else:
618 variants_correct[position - 1] = {'REF': variants_correct[position - 1]['REF'] + correct_absent_positions[position]['REF'][len(variants_correct[position - 1]['REF']) - 1:], 'ALT': variants_correct[position - 1]['ALT'] + correct_absent_positions[position]['ALT'][len(variants_correct[position - 1]['ALT']) - 1 if len(variants_correct[position - 1]['ALT']) > 0 else 0:]}
619
620 for position in noMatter_absent_positions:
621 if position == 1:
622 variants_noMatter[position] = {'REF': noMatter_absent_positions[position]['REF'], 'ALT': 'N'}
623 else:
624 if position - 1 not in variants_noMatter:
625 variants_noMatter[position - 1] = {'REF': sequence[position - 2] + noMatter_absent_positions[position]['REF'], 'ALT': sequence[position - 2] + noMatter_absent_positions[position]['ALT']}
626 else:
627 variants_noMatter[position - 1] = {'REF': variants_noMatter[position - 1]['REF'] + noMatter_absent_positions[position]['REF'][len(variants_noMatter[position - 1]['REF']) - 1:], 'ALT': variants_noMatter[position - 1]['ALT'] + noMatter_absent_positions[position]['ALT'][len(variants_noMatter[position - 1]['ALT']) - 1 if len(variants_noMatter[position - 1]['ALT']) > 0 else 0:]}
628
629 return variants_correct, variants_noMatter, variants_alignment, multiple_alleles_found
630
631
632 def clean_variant_in_extra_seq_left(variant_dict, position, length_extra_seq, multiple_alleles_found, number_multi_alleles):
633 number_diferences = 0
634
635 if position + len(variant_dict[position]['REF']) - 1 > length_extra_seq:
636 if multiple_alleles_found is not None and position in multiple_alleles_found:
637 number_multi_alleles += 1
638
639 temp_variant = variant_dict[position]
640 del variant_dict[position]
641 variant_dict[length_extra_seq] = {}
642 variant_dict[length_extra_seq]['REF'] = temp_variant['REF'][length_extra_seq - position:]
643 variant_dict[length_extra_seq]['ALT'] = temp_variant['ALT'][length_extra_seq - position:] if len(temp_variant['ALT']) > length_extra_seq - position else temp_variant['REF'][length_extra_seq - position]
644 number_diferences = count_number_diferences(variant_dict[length_extra_seq]['REF'], variant_dict[length_extra_seq]['ALT'])
645 else:
646 del variant_dict[position]
647
648 return variant_dict, number_multi_alleles, number_diferences
649
650
651 def clean_variant_in_extra_seq_rigth(variant_dict, position, sequence_length, length_extra_seq):
652 if position + len(variant_dict[position]['REF']) - 1 > sequence_length - length_extra_seq:
653 variant_dict[position]['REF'] = variant_dict[position]['REF'][: - (position - (sequence_length - length_extra_seq)) + 1]
654 variant_dict[position]['ALT'] = variant_dict[position]['ALT'][: - (position - (sequence_length - length_extra_seq)) + 1] if len(variant_dict[position]['ALT']) >= - (position - (sequence_length - length_extra_seq)) + 1 else variant_dict[position]['ALT']
655
656 number_diferences = count_number_diferences(variant_dict[position]['REF'], variant_dict[position]['ALT'])
657
658 return variant_dict, number_diferences
659
660
661 def cleanning_variants_extra_seq(variants_correct, variants_noMatter, variants_alignment, multiple_alleles_found, length_extra_seq, sequence_length):
662 number_multi_alleles = 0
663 number_diferences = 0
664
665 counter = 1
666 while counter <= sequence_length:
667 if counter <= length_extra_seq:
668 if counter in variants_correct:
669 variants_correct, number_multi_alleles, number_diferences = clean_variant_in_extra_seq_left(variants_correct, counter, length_extra_seq, multiple_alleles_found, number_multi_alleles)
670 if counter in variants_noMatter:
671 variants_noMatter, ignore, ignore = clean_variant_in_extra_seq_left(variants_noMatter, counter, length_extra_seq, None, None)
672 if counter in variants_alignment:
673 variants_alignment, ignore, ignore = clean_variant_in_extra_seq_left(variants_alignment, counter, length_extra_seq, None, None)
674 elif counter > length_extra_seq and counter <= sequence_length - length_extra_seq:
675 if counter in variants_correct:
676 if counter in multiple_alleles_found:
677 number_multi_alleles += 1
678 variants_correct, number_diferences_found = clean_variant_in_extra_seq_rigth(variants_correct, counter, sequence_length, length_extra_seq)
679 number_diferences += number_diferences_found
680 if counter in variants_noMatter:
681 variants_noMatter, ignore = clean_variant_in_extra_seq_rigth(variants_noMatter, counter, sequence_length, length_extra_seq)
682 if counter in variants_alignment:
683 variants_alignment, ignore = clean_variant_in_extra_seq_rigth(variants_alignment, counter, sequence_length, length_extra_seq)
684 else:
685 if counter in variants_correct:
686 del variants_correct[counter]
687 if counter in variants_noMatter:
688 del variants_noMatter[counter]
689 if counter in variants_alignment:
690 del variants_alignment[counter]
691
692 counter += 1
693
694 return variants_correct, variants_noMatter, variants_alignment, number_multi_alleles, number_diferences
695
696
697 def get_coverage(gene_coverage):
698 coverage = {}
699
700 with open(gene_coverage, 'rtU') as reader:
701 for line in reader:
702 line = line.splitlines()[0]
703 if len(line) > 0:
704 line = line.split('\t')
705 coverage[int(line[1])] = int(line[2])
706
707 return coverage
708
709
710 def get_coverage_report(coverage, sequence_length, minimum_depth_presence, minimum_depth_call, length_extra_seq):
711 if len(coverage) == 0:
712 return sequence_length - 2 * length_extra_seq, 100.0, 0.0
713
714 count_absent = 0
715 count_lowCoverage = 0
716 sum_coverage = 0
717
718 counter = 1
719 while counter <= sequence_length:
720 if counter > length_extra_seq and counter <= sequence_length - length_extra_seq:
721 if coverage[counter] < minimum_depth_presence:
722 count_absent += 1
723 else:
724 if coverage[counter] < minimum_depth_call:
725 count_lowCoverage += 1
726 sum_coverage += coverage[counter]
727 counter += 1
728
729 mean_coverage = 0
730 percentage_lowCoverage = 0
731 if sequence_length - 2 * length_extra_seq - count_absent > 0:
732 mean_coverage = float(sum_coverage) / float(sequence_length - 2 * length_extra_seq - count_absent)
733 percentage_lowCoverage = float(count_lowCoverage) / float(sequence_length - 2 * length_extra_seq - count_absent) * 100
734
735 return count_absent, percentage_lowCoverage, mean_coverage
736
737
738 # Get genome coverage data
739 def compute_genome_coverage_data(alignment_file, sequence_to_analyse, outdir, counter):
740 genome_coverage_data_file = os.path.join(outdir, 'samtools_depth.sequence_' + str(counter) + '.tab')
741 command = ['samtools', 'depth', '-a', '-q', '0', '-r', sequence_to_analyse, alignment_file, '>', genome_coverage_data_file]
742 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, True, None, False)
743 return run_successfully, genome_coverage_data_file
744
745
746 def write_variants_vcf(variants, outdir, sequence_to_analyse, sufix):
747 vcf_file = os.path.join(outdir, str(sequence_to_analyse + '.' + sufix + '.vcf'))
748 with open(vcf_file, 'wt') as writer:
749 writer.write('##fileformat=VCFv4.2' + '\n')
750 writer.write('#' + '\t'.join(['SEQUENCE', 'POSITION', 'ID_unused', 'REFERENCE_sequence', 'ALTERNATIVE_sequence', 'QUALITY_unused', 'FILTER_unused', 'INFO_unused', 'FORMAT_unused']) + '\n')
751 for i in sorted(variants.keys()):
752 writer.write('\t'.join([sequence_to_analyse, str(i), '.', variants[i]['REF'], variants[i]['ALT'], '.', '.', '.', '.']) + '\n')
753
754 compressed_vcf_file = vcf_file + '.gz'
755 command = ['bcftools', 'convert', '-o', compressed_vcf_file, '-O', 'z', vcf_file]
756 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, False)
757 if run_successfully:
758 command = ['bcftools', 'index', compressed_vcf_file]
759 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, False)
760
761 if not run_successfully:
762 compressed_vcf_file = None
763
764 return run_successfully, compressed_vcf_file
765
766
767 def parse_fasta_inMemory(fasta_memory):
768 fasta_memory = fasta_memory.splitlines()
769 sequence_dict = {}
770 for line in fasta_memory:
771 if len(line) > 0:
772 if line.startswith('>'):
773 sequence_dict = {'header': line[1:], 'sequence': ''}
774 else:
775 sequence_dict['sequence'] += line
776
777 return sequence_dict
778
779
780 def compute_consensus_sequence(reference_file, sequence_to_analyse, compressed_vcf_file, outdir, sufix):
781 sequence_dict = None
782
783 gene_fasta = os.path.join(outdir, str(sequence_to_analyse + '.fasta'))
784
785 run_successfully, stdout = index_fasta_samtools(reference_file, sequence_to_analyse, gene_fasta, False)
786 if run_successfully:
787 command = ['bcftools', 'norm', '-c', 's', '-f', gene_fasta, '-Ov', compressed_vcf_file]
788 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, False)
789 if run_successfully:
790 command = ['bcftools', 'consensus', '-f', gene_fasta, compressed_vcf_file, '-H', '1']
791 run_successfully, stdout, stderr = utils.runCommandPopenCommunicate(command, False, None, False)
792 if run_successfully:
793 sequence_dict = parse_fasta_inMemory(stdout)
794
795 return run_successfully, sequence_dict
796
797
798 def create_sample_consensus_sequence(outdir, sequence_to_analyse, reference_file, variants, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, sequence, length_extra_seq):
799 variants_correct, variants_noMatter, variants_alignment, multiple_alleles_found = get_true_variants(variants, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, sequence)
800
801 variants_correct, variants_noMatter, variants_alignment, number_multi_alleles, number_diferences = cleanning_variants_extra_seq(variants_correct, variants_noMatter, variants_alignment, multiple_alleles_found, length_extra_seq, len(sequence))
802
803 run_successfully = False
804 consensus = {'correct': {}, 'noMatter': {}, 'alignment': {}}
805 for variant_type in ['variants_correct', 'variants_noMatter', 'variants_alignment']:
806 run_successfully, compressed_vcf_file = write_variants_vcf(eval(variant_type), outdir, sequence_to_analyse, variant_type.split('_', 1)[1])
807 if run_successfully:
808 run_successfully, sequence_dict = compute_consensus_sequence(reference_file, sequence_to_analyse, compressed_vcf_file, outdir, variant_type.split('_', 1)[1])
809 if run_successfully:
810 consensus[variant_type.split('_', 1)[1]] = {'header': sequence_dict['header'], 'sequence': sequence_dict['sequence'][length_extra_seq:len(sequence_dict['sequence']) - length_extra_seq]}
811
812 return run_successfully, number_multi_alleles, consensus, number_diferences
813
814
815 @utils.trace_unhandled_exceptions
816 def analyse_sequence_data(bam_file, sequence_information, outdir, counter, reference_file, length_extra_seq, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, threads):
817 count_absent = None
818 percentage_lowCoverage = None
819 meanCoverage = None
820 number_diferences = 0
821
822 # Create vcf file (for multiple alleles check)
823 run_successfully, gene_vcf = create_vcf(bam_file, sequence_information['header'], outdir, counter, reference_file)
824 if run_successfully:
825 # Create coverage tab file
826 run_successfully, gene_coverage = compute_genome_coverage_data(bam_file, sequence_information['header'], outdir, counter)
827
828 if run_successfully:
829 variants = get_variants(gene_vcf)
830
831 coverage = get_coverage(gene_coverage)
832
833 run_successfully, number_multi_alleles, consensus_sequence, number_diferences = create_sample_consensus_sequence(outdir, sequence_information['header'], reference_file, variants, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, sequence_information['sequence'], length_extra_seq)
834
835 count_absent, percentage_lowCoverage, meanCoverage = get_coverage_report(coverage, sequence_information['length'], minimum_depth_presence, minimum_depth_call, length_extra_seq)
836
837 utils.saveVariableToPickle([run_successfully, counter, number_multi_alleles, count_absent, percentage_lowCoverage, meanCoverage, consensus_sequence, number_diferences], outdir, str('coverage_info.' + str(counter)))
838
839
840 def clean_header(header):
841 problematic_characters = ["|", " ", ",", ".", "(", ")", "'", "/", ":"]
842 new_header = str(header)
843 if any(x in header for x in problematic_characters):
844 for x in problematic_characters:
845 new_header = new_header.replace(x, '_')
846 return header, new_header
847
848
849 def get_sequence_information(fasta_file, length_extra_seq):
850 sequence_dict = {}
851 headers = {}
852 headers_changed = False
853
854 with open(fasta_file, 'rtU') as reader:
855 blank_line_found = False
856 sequence_counter = 0
857 temp_sequence_dict = {}
858 for line in reader:
859 line = line.splitlines()[0]
860 if len(line) > 0:
861 if not blank_line_found:
862 if line.startswith('>'):
863 if len(temp_sequence_dict) > 0:
864 if temp_sequence_dict.values()[0]['length'] - 2 * length_extra_seq > 0:
865 sequence_dict[temp_sequence_dict.keys()[0]] = temp_sequence_dict.values()[0]
866 else:
867 print '{header} sequence ignored due to length <= 0'.format(header=temp_sequence_dict.values()[0]['header'])
868 del headers[temp_sequence_dict.values()[0]['header']]
869 temp_sequence_dict = {}
870
871 original_header, new_header = clean_header(line[1:])
872 if new_header in headers:
873 sys.exit('Found duplicated sequence headers: {original_header}'.format(original_header=original_header))
874
875 sequence_counter += 1
876 temp_sequence_dict[sequence_counter] = {'header': new_header, 'sequence': '', 'length': 0}
877 headers[new_header] = str(original_header)
878 if new_header != original_header:
879 headers_changed = True
880 else:
881 temp_sequence_dict[sequence_counter]['sequence'] += line
882 temp_sequence_dict[sequence_counter]['length'] += len(line)
883 else:
884 sys.exit('It was found a blank line between the fasta file above line ' + line)
885 else:
886 blank_line_found = True
887
888 if len(temp_sequence_dict) > 0:
889 if temp_sequence_dict.values()[0]['length'] - 2 * length_extra_seq > 0:
890 sequence_dict[temp_sequence_dict.keys()[0]] = temp_sequence_dict.values()[0]
891 else:
892 print '{header} sequence ignored due to length <= 0'.format(header=temp_sequence_dict.values()[0]['header'])
893 del headers[temp_sequence_dict.values()[0]['header']]
894
895 return sequence_dict, headers, headers_changed
896
897
898 def determine_threads_2_use(number_sequences, threads):
899 if number_sequences >= threads:
900 return 1
901 else:
902 return threads / number_sequences
903
904
905 def sequence_data(sample, reference_file, bam_file, outdir, threads, length_extra_seq, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, debug_mode_true, notWriteConsensus):
906 sequence_data_outdir = os.path.join(outdir, 'sequence_data', '')
907 utils.removeDirectory(sequence_data_outdir)
908 os.mkdir(sequence_data_outdir)
909
910 sequences, headers, headers_changed = get_sequence_information(reference_file, length_extra_seq)
911
912 threads_2_use = determine_threads_2_use(len(sequences), threads)
913
914 pool = multiprocessing.Pool(processes=threads)
915 for sequence_counter in sequences:
916 sequence_dir = os.path.join(sequence_data_outdir, str(sequence_counter), '')
917 utils.removeDirectory(sequence_dir)
918 os.makedirs(sequence_dir)
919 pool.apply_async(analyse_sequence_data, args=(bam_file, sequences[sequence_counter], sequence_dir, sequence_counter, reference_file, length_extra_seq, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, threads_2_use,))
920 pool.close()
921 pool.join()
922
923 run_successfully, sample_data, consensus_files, consensus_sequences = gather_data_together(sample, sequence_data_outdir, sequences, outdir.rsplit('/', 2)[0], debug_mode_true, length_extra_seq, notWriteConsensus)
924
925 return run_successfully, sample_data, consensus_files, consensus_sequences
926
927
928 def chunkstring(string, length):
929 return (string[0 + i:length + i] for i in range(0, len(string), length))
930
931
932 def write_consensus(outdir, sample, consensus_sequence):
933 consensus_files = {}
934 for consensus_type in ['correct', 'noMatter', 'alignment']:
935 consensus_files[consensus_type] = os.path.join(outdir, str(sample + '.' + consensus_type + '.fasta'))
936 with open(consensus_files[consensus_type], 'at') as writer:
937 writer.write('>' + consensus_sequence[consensus_type]['header'] + '\n')
938 fasta_sequence_lines = chunkstring(consensus_sequence[consensus_type]['sequence'], 80)
939 for line in fasta_sequence_lines:
940 writer.write(line + '\n')
941 return consensus_files
942
943
944 def gather_data_together(sample, data_directory, sequences_information, outdir, debug_mode_true, length_extra_seq, notWriteConsensus):
945 run_successfully = True
946 counter = 0
947 sample_data = {}
948
949 consensus_files = None
950 consensus_sequences_together = {'correct': {}, 'noMatter': {}, 'alignment': {}}
951
952 write_consensus_first_time = True
953
954 genes_directories = [d for d in os.listdir(data_directory) if not d.startswith('.') and os.path.isdir(os.path.join(data_directory, d, ''))]
955 for gene_dir in genes_directories:
956 gene_dir_path = os.path.join(data_directory, gene_dir, '')
957
958 files = [f for f in os.listdir(gene_dir_path) if not f.startswith('.') and os.path.isfile(os.path.join(gene_dir_path, f))]
959 for file_found in files:
960 if file_found.startswith('coverage_info.') and file_found.endswith('.pkl'):
961 file_path = os.path.join(gene_dir_path, file_found)
962
963 if run_successfully:
964 run_successfully, sequence_counter, multiple_alleles_found, count_absent, percentage_lowCoverage, meanCoverage, consensus_sequence, number_diferences = utils.extractVariableFromPickle(file_path)
965
966 if not notWriteConsensus:
967 for consensus_type in consensus_sequence:
968 consensus_sequences_together[consensus_type][sequence_counter] = {'header': consensus_sequence[consensus_type]['header'], 'sequence': consensus_sequence[consensus_type]['sequence']}
969
970 if write_consensus_first_time:
971 for consensus_type in ['correct', 'noMatter', 'alignment']:
972 file_to_remove = os.path.join(outdir, str(sample + '.' + consensus_type + '.fasta'))
973 if os.path.isfile(file_to_remove):
974 os.remove(file_to_remove)
975 write_consensus_first_time = False
976 consensus_files = write_consensus(outdir, sample, consensus_sequence)
977
978 gene_identity = 0
979 if sequences_information[sequence_counter]['length'] - 2 * length_extra_seq - count_absent > 0:
980 gene_identity = 100 - (float(number_diferences) / (sequences_information[sequence_counter]['length'] - 2 * length_extra_seq - count_absent)) * 100
981
982 sample_data[sequence_counter] = {'header': sequences_information[sequence_counter]['header'], 'gene_coverage': 100 - (float(count_absent) / (sequences_information[sequence_counter]['length'] - 2 * length_extra_seq)) * 100, 'gene_low_coverage': percentage_lowCoverage, 'gene_number_positions_multiple_alleles': multiple_alleles_found, 'gene_mean_read_coverage': meanCoverage, 'gene_identity': gene_identity}
983 counter += 1
984
985 if not debug_mode_true:
986 utils.removeDirectory(gene_dir_path)
987
988 if counter != len(sequences_information):
989 run_successfully = False
990
991 return run_successfully, sample_data, consensus_files, consensus_sequences_together
992
993
994 rematch_timer = functools.partial(utils.timer, name='ReMatCh module')
995
996
997 @rematch_timer
998 def runRematchModule(sample, fastq_files, reference_file, threads, outdir, length_extra_seq, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, minimum_gene_coverage, conserved_True, debug_mode_true, numMapLoc, minimum_gene_identity, rematch_run, softClip_baseQuality, softClip_recodeRun, reference_dict, softClip_cigarFlagRecode, bowtieOPT, gene_list_reference, notWriteConsensus):
999 rematch_folder = os.path.join(outdir, 'rematch_module', '')
1000 utils.removeDirectory(rematch_folder)
1001 os.mkdir(rematch_folder)
1002
1003 # Map reads
1004 run_successfully, bam_file, reference_file = mapping_reads(fastq_files, reference_file, threads, rematch_folder, conserved_True, numMapLoc, rematch_run, softClip_baseQuality, softClip_recodeRun, reference_dict, softClip_cigarFlagRecode, bowtieOPT)
1005
1006 if run_successfully:
1007 # Index reference file
1008 run_successfully, stdout = index_fasta_samtools(reference_file, None, None, True)
1009 if run_successfully:
1010 print 'Analysing alignment data'
1011 run_successfully, sample_data, consensus_files, consensus_sequences = sequence_data(sample, reference_file, bam_file, rematch_folder, threads, length_extra_seq, minimum_depth_presence, minimum_depth_call, minimum_depth_frequency_dominant_allele, debug_mode_true, notWriteConsensus)
1012
1013 if run_successfully:
1014 print 'Writing report file'
1015 number_absent_genes = 0
1016 number_genes_multiple_alleles = 0
1017 mean_sample_coverage = 0
1018 with open(os.path.join(outdir, 'rematchModule_report.txt'), 'wt') as writer:
1019 writer.write('\t'.join(['#gene', 'percentage_gene_coverage', 'gene_mean_read_coverage', 'percentage_gene_low_coverage', 'number_positions_multiple_alleles', 'percentage_gene_identity']) + '\n')
1020 for i in range(1, len(sample_data) + 1):
1021 writer.write('\t'.join([gene_list_reference[sample_data[i]['header']], str(round(sample_data[i]['gene_coverage'], 2)), str(round(sample_data[i]['gene_mean_read_coverage'], 2)), str(round(sample_data[i]['gene_low_coverage'], 2)), str(sample_data[i]['gene_number_positions_multiple_alleles']), str(round(sample_data[i]['gene_identity'], 2))]) + '\n')
1022
1023 if sample_data[i]['gene_coverage'] < minimum_gene_coverage or sample_data[i]['gene_identity'] < minimum_gene_identity:
1024 number_absent_genes += 1
1025 else:
1026 mean_sample_coverage += sample_data[i]['gene_mean_read_coverage']
1027 if sample_data[i]['gene_number_positions_multiple_alleles'] > 0:
1028 number_genes_multiple_alleles += 1
1029
1030 if len(sample_data) - number_absent_genes > 0:
1031 mean_sample_coverage = float(mean_sample_coverage) / float(len(sample_data) - number_absent_genes)
1032 else:
1033 mean_sample_coverage = 0
1034
1035 writer.write('\n'.join(['#general', '>number_absent_genes', str(number_absent_genes), '>number_genes_multiple_alleles', str(number_genes_multiple_alleles), '>mean_sample_coverage', str(round(mean_sample_coverage, 2))]) + '\n')
1036
1037 print '\n'.join([str('number_absent_genes: ' + str(number_absent_genes)), str('number_genes_multiple_alleles: ' + str(number_genes_multiple_alleles)), str('mean_sample_coverage: ' + str(round(mean_sample_coverage, 2)))])
1038
1039 if not debug_mode_true:
1040 utils.removeDirectory(rematch_folder)
1041
1042 return run_successfully, sample_data if 'sample_data' in locals() else None, {'number_absent_genes': number_absent_genes if 'number_absent_genes' in locals() else None, 'number_genes_multiple_alleles': number_genes_multiple_alleles if 'number_genes_multiple_alleles' in locals() else None, 'mean_sample_coverage': round(mean_sample_coverage, 2) if 'mean_sample_coverage' in locals() else None}, consensus_files if 'consensus_files' in locals() else None, consensus_sequences if 'consensus_sequences' in locals() else None