Tim Peters <[email protected]> added the comment:
I believe your testing code is in error, perhaps because it's so overly
elaborate you've lost track of what it's doing. Here's a straightforward test
program:
import difflib
s1='<a id="nhix_Rgstr" href="http://local:56067/register/200930162135700";>'
s2='<a id="nhix_Rgstr"
href="http://local:53813/register/20100517282450281";>'
d = difflib.SequenceMatcher(None, s1, s2)
for m in d.get_matching_blocks():
print(m, repr(s1[m.a : m.a + m.size]),
repr(s2[m.b : m.b + m.size]))
and its output under 3.9.0:
Match(a=0, b=0, size=39) '<a id="nhix_Rgstr" href="http://local:5' '<a
id="nhix_Rgstr" href="http://local:5'
Match(a=43, b=43, size=12) '/register/20' '/register/20'
Match(a=59, b=55, size=1) '1' '1'
Match(a=66, b=56, size=2) '00' '00'
Match(a=68, b=70, size=2) '">' '">'
Match(a=70, b=72, size=0) '' ''
Your test program is obtaining the substrings to display from these two lines:
mtch_a = dpiy_Frst[mblk.a : mblk.a + mblk.size];
mtch_b = dpiy_Frst[mblk.b : mblk.b + mblk.size];
But BOTH of those are extracting substrings from `dply_Frst`. Looks like you
intended to use the `dply_Scnd` argument in the second line instead.
If I change my test program to use `s1` for both substrings, then it matches
the output you gave. But that doesn't make sense ;-)
So I'm closing this as not-a-bug. If I missed something relevant, feel free to
re-open it.
----------
resolution: -> not a bug
stage: -> resolved
status: open -> closed
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Python tracker <[email protected]>
<https://bugs.python.org/issue41964>
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