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CPUnetLOG
CPUnetLOG
Commits
5fde64b8
Commit
5fde64b8
authored
Jul 30, 2014
by
Mario Hock
Browse files
split_proprtionally
rough first version (rounding issues..)
parent
2f96d5a9
Changes
1
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Inline
Sidebyside
helpers.py
View file @
5fde64b8
...
...
@@ 103,3 +103,52 @@ def get_nic_speeds():
return
ret
def
split_proprtionally
(
text
,
weights
,
size
=
0
,
fill
=
" "
):
"""
Split a string proportional to a given weightdistribution.
If a size is specified, that string is filled with fill at the end to match that length.
(NOTE: len(fill) must be 1)
"""
if
(
size
>
0
):
## Fill text with spaces.
if
(
len
(
text
)
<
size
):
text
+=
fill
*
(
size

len
(
text
))
## Truncate text if it's too long.
elif
(
len
(
text
)
>
size
):
text
=
text
[
size
]
else
:
size
=
len
(
text
)
# sum of all weights
total_weights
=
float
(
sum
(
weights
)
)
## Calculate an int for each weight so that they sum appropriately to size.
weighted_lengths
=
[
int
(
round
(
(
w
/
total_weights
)
*
size
))
for
w
in
weights
]
## XXX debugging...
if
(
sum
(
weighted_lengths
)
!=
size
):
## TODO can this fail due to rounding issues?
## > What do we do then? Expand smallest/shrink biggest?
## XXX Hotfix..
if
(
sum
(
weighted_lengths
)
+
1
==
size
):
weighted_lengths
[
0
]
+=
1
else
:
print
(
weighted_lengths
)
assert
(
sum
(
weighted_lengths
)
==
size
)
## * split *
ret
=
list
()
last_pos
=
0
for
pos
in
weighted_lengths
:
ret
.
append
(
text
[
last_pos
:
last_pos
+
pos
]
)
last_pos
+=
pos
return
ret
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