En Wed, 02 May 2007 06:26:13 -0300, whitewave <[EMAIL PROTECTED]> escribió:
> Thank you for your reply. But I don't fully understand what the
> charjunk and linejunk is all about. I'm a bit newbie in python using
> the DiffLib. I'm I using the right code here? I will I implement the
> linejunk and charjunk using the following code?
Usually, Differ receives two sequences of lines, being each line a
sequence of characters (strings). It uses a SequenceMatcher to compare
lines; the linejunk argument is used to ignore certain lines. For each
pair of similar lines, it uses another SequenceMatcher to compare
characters inside lines; the charjunk is used to ignore characters.
As you are feeding Differ with a single string (not a list of text lines),
the "lines" it sees are just characters. To ignore whitespace and
newlines, in this case one should use the linejunk argument:
def ignore_ws_nl(c):
return c in " \t\n\r"
a = difflib.Differ(linejunk=ignore_ws_nl).compare(d1,d2)
dif = list(a)
print ''.join(dif)
I n a d d i t i o n , t h e c o n s i d e
r e
d p r o b l e m d o e s n o t h a v e
a m
e a n i n g f u l t r a d i t i o n a l t y
p e
o f- +
a d j o i n t-
+ p r o b l e m e v e n f o r t h e s i
m p
l e f o r m s o f t h e d i f f e r e n t
i a
l e q u a t i o n a n d t h e n o n l o
c a l
c o n d i t i o n s . D u e- +
t o t h e s e f a c t s , s o m e s e r
i o
u s d i f f i c u l t i e s a r i s e i n
t h
e a p p l i c a t i o n o f t h e c l a
s s i
c a l m e t h o d s t o s u c h a- +
p r o b l e m .+
I hope this is what you were looking for.
--
Gabriel Genellina
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