1 """Code to transcribe DNA into RNA or back (OBSOLETE).
2
3 You are now encouraged to use the Seq object methods or the functions
4 in Bio.Seq instead.
5
6 This module is now considered to be obsolete, and is likely to be deprecated
7 in a future release of Biopython, and later removed.
8 """
9
10 from Bio import Alphabet, Seq
11 from Bio.Alphabet import IUPAC
12
14 - def __init__(self, dna_alphabet, rna_alphabet):
17
19 assert dna.alphabet == self.dna_alphabet, \
20 "transcribe has the wrong DNA alphabet"
21 s = dna.data
22 return Seq.Seq(s.replace("T", "U"), self.rna_alphabet)
24 assert rna.alphabet == self.rna_alphabet, \
25 "back transcribe has the wrong RNA alphabet"
26 s = rna.data
27 return Seq.Seq(s.replace("U", "T"), self.dna_alphabet)
28
29 generic_transcriber = Transcribe(Alphabet.generic_dna,
30 Alphabet.generic_rna)
31 ambiguous_transcriber = Transcribe(IUPAC.ambiguous_dna,
32 IUPAC.ambiguous_rna)
33 unambiguous_transcriber = Transcribe(IUPAC.unambiguous_dna,
34 IUPAC.unambiguous_rna)
35