changed what Dseq.__str__ returns to the ascii decoded ._data proerty…

… instead of the full_sequence. This way I hope to write dsiupac code

src/pydna/dseq.py

@@ -273,9 +273,14 @@ class Dseq(_Seq):
 
     Coercing to string
 
-    >>> str(a)
+    >>> str(a.full_sequence)
     'ggggtttcccc'
 
+    Coercing to string containing dsIUPAC code.
+
+    >>> str(a)
+    'qqqqtttiiii'
+
     A Dseq object can be longer that either the watson or crick strands.
 
     ::
@@ -637,7 +642,7 @@ def translate(self, *args, **kwargs):  # TODO: discuss this
         return obj.translate(*args, **kwargs)
 
     def __str__(self):
-        return self.full_sequence._data.decode("ascii")
+        return self._data.decode("ascii")  # self.full_sequence._data.decode("ascii")
 
     # def __getitem__(self, sl: slice) -> "Dseq":
     #     """Returns a subsequence. This method is used by the slice notation"""

tests/test_module_dseq.py

@@ -91,8 +91,8 @@ def test_pair():
 def test_dsiupac():
     from pydna.dseq import Dseq
 
-    assert str(Dseq("PEXIaaaQFZJ")) == "GATCaaaGATC"
-    assert str(Dseq("QFZJaaaPEXI")) == "GATCaaaGATC"
+    assert str(Dseq("PEXIaaaQFZJ")) == "PEXIaaaQFZJ"
+    assert str(Dseq("QFZJaaaPEXI")) == "QFZJaaaPEXI"
 
 
 def test_cut1():
@@ -1415,9 +1415,9 @@ def test_new():
     from Bio.Restriction import KpnI, Acc65I, BsaI, XmaI, SmaI, BamHI
 
     fiveoh = Dseq("PEXIaaaQFZJ")
-    assert str(fiveoh + fiveoh) == "GATCaaaGATCaaaGATC"
+    assert str(fiveoh + fiveoh) == "PEXIaaaGATCaaaQFZJ"
     threeoh = Dseq("QFZJQtttPEXIP")
-    assert str(threeoh + threeoh) == "GATCGtttGATCGtttGATCG"
+    assert str(threeoh + threeoh) == "QFZJQtttGATCGtttPEXIP"
 
     assert repr(Dseq("AIXEP") + Dseq("JZFQA")) == "Dseq(-6)\nACTAGA\nTGATCT"
 

tests/test_module_dseqrecord.py

@@ -249,7 +249,7 @@ def test_initialization():
     assert dsr.seq.crick == "taaa"
     assert dsr.circular == False
     assert dsr.seq.circular == False
-    assert str(dsr.seq) == "attta"
+    assert str(dsr.seq) == "etttf"
 
     dsr = Dseqrecord(ds, circular=True)