Mercurial > repos > triasteran > ribogalaxy_umi_processing
comparison UMI_riboseq_processing/UMI.py @ 1:5d0d5933d370 draft
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author | triasteran |
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date | Sun, 19 Jun 2022 12:44:06 +0000 |
parents | ef98c6fad2a2 |
children | 6958515efa76 |
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0:ef98c6fad2a2 | 1:5d0d5933d370 |
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17 for lines in grouper(f, chunk_size, ""): #for every chunk_sized chunk | 17 for lines in grouper(f, chunk_size, ""): #for every chunk_sized chunk |
18 header = lines[0] | 18 header = lines[0] |
19 seq = lines[1] | 19 seq = lines[1] |
20 sep = lines[2] | 20 sep = lines[2] |
21 qual = lines[3] | 21 qual = lines[3] |
22 trimmed_seq = seq[2:-11]+seq[-6:-1]+"\n" # fooprint + barcode | 22 trimmed_seq = seq[2:-5]+"\n" # fooprint + barcode |
23 UMI = seq[0:2]+seq[-11:-6] #7nt in total | 23 UMI = seq[0:2]+seq[-5:] #7nt in total; 5'NN and last 3'NNNNN |
24 split_header = header.split(" ") | 24 split_header = header.split(" ") |
25 new_header = split_header[0]+"_"+UMI+" "+split_header[1] | 25 new_header = split_header[0]+"_"+UMI+" "+split_header[1] |
26 if qual[-1:] == "\n": | 26 if qual[-1:] == "\n": |
27 new_qual = qual[2:-11]+qual[-6:-1]+"\n" | 27 new_qual = qual[2:-5]+"\n" |
28 else: | 28 else: |
29 new_qual = qual[2:-10]+qual[-6:-1] | 29 new_qual = qual[2:-5] |
30 output.write(new_header) | 30 output.write(new_header) |
31 output.write(trimmed_seq) | 31 output.write(trimmed_seq) |
32 output.write(sep) | 32 output.write(sep) |
33 output.write(new_qual) | 33 output.write(new_qual) |
34 | 34 |