mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-11 11:55:03 -05:00
d7396896b5
Shows now display Indexer absolute numbering. Improved speed of parsing search results. Fixed episode naming issues.
120 lines
4.1 KiB
Python
120 lines
4.1 KiB
Python
#!/usr/bin/env python
|
|
# encoding: utf-8
|
|
"""
|
|
process.py
|
|
|
|
Copyright (c) 2011 Adam Cohen
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining
|
|
a copy of this software and associated documentation files (the
|
|
"Software"), to deal in the Software without restriction, including
|
|
without limitation the rights to use, copy, modify, merge, publish,
|
|
distribute, sublicense, and/or sell copies of the Software, and to
|
|
permit persons to whom the Software is furnished to do so, subject to
|
|
the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be
|
|
included in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
"""
|
|
import itertools
|
|
|
|
from . import fuzz
|
|
from . import utils
|
|
|
|
|
|
def extract(query, choices, processor=None, scorer=None, limit=5):
|
|
"""Find best matches in a list of choices, return a list of tuples
|
|
containing the match and it's score.
|
|
|
|
Arguments:
|
|
query -- an object representing the thing we want to find
|
|
choices -- a list of objects we are attempting to extract
|
|
values from
|
|
scorer -- f(OBJ, QUERY) --> INT. We will return the objects
|
|
with the highest score by default, we use
|
|
score.WRatio() and both OBJ and QUERY should be
|
|
strings
|
|
processor -- f(OBJ_A) --> OBJ_B, where the output is an input
|
|
to scorer for example, "processor = lambda x:
|
|
x[0]" would return the first element in a
|
|
collection x (of, say, strings) this would then
|
|
be used in the scoring collection by default, we
|
|
use utils.full_process()
|
|
|
|
"""
|
|
if choices is None or len(choices) == 0:
|
|
return []
|
|
|
|
# default, turn whatever the choice is into a workable string
|
|
if processor is None:
|
|
processor = lambda x: utils.full_process(x)
|
|
|
|
# default: wratio
|
|
if scorer is None:
|
|
scorer = fuzz.WRatio
|
|
|
|
sl = list()
|
|
|
|
for choice in choices:
|
|
processed = processor(choice)
|
|
score = scorer(query, processed)
|
|
tuple = (choice, score)
|
|
sl.append(tuple)
|
|
|
|
sl.sort(key=lambda i: i[1], reverse=True)
|
|
return sl[:limit]
|
|
|
|
|
|
def extractBests(query, choices, processor=None, scorer=None, score_cutoff=0, limit=5):
|
|
"""Find best matches above a score in a list of choices, return a
|
|
list of tuples containing the match and it's score.
|
|
|
|
Convenience method which returns the choices with best scores, see
|
|
extract() for full arguments list
|
|
|
|
Optional parameter: score_cutoff.
|
|
If the choice has a score of less than or equal to score_cutoff
|
|
it will not be included on result list
|
|
|
|
"""
|
|
|
|
best_list = extract(query, choices, processor, scorer, limit)
|
|
if len(best_list) > 0:
|
|
return list(itertools.takewhile(lambda x: x[1] > score_cutoff, best_list))
|
|
else:
|
|
return []
|
|
|
|
|
|
def extractOne(query, choices, processor=None, scorer=None, score_cutoff=0):
|
|
"""Find the best match above a score in a list of choices, return a
|
|
tuple containing the match and it's score if it's above the treshold
|
|
or None.
|
|
|
|
Convenience method which returns the single best choice, see
|
|
extract() for full arguments list
|
|
|
|
Optional parameter: score_cutoff.
|
|
If the best choice has a score of less than or equal to
|
|
score_cutoff we will return none (intuition: not a good enough
|
|
match)
|
|
|
|
"""
|
|
|
|
best_list = extract(query, choices, processor, scorer, limit=1)
|
|
if len(best_list) > 0:
|
|
best = best_list[0]
|
|
if best[1] > score_cutoff:
|
|
return best
|
|
else:
|
|
return None
|
|
else:
|
|
return None
|