Rank-Progress Changeset

Changeset - 2a3c04d47300

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Laman - 3 years ago 2021-10-20 11:50:32

limited promotion when pushing the personal best

2 files changed with 9 insertions and 1 deletions:

rank_progress.py

test.py

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rank_progress.py

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@@ @@ -27,50 +27,58 @@ class Record: @@
 		return cls(tokens, line)
 	def __str__(self):
 		s = self.source + "  {} -> {}".format(*self.rank_change)
 		return s
 class RankTracker:
 	def __init__(self, rating):
 		assert rating >= -900
 		self._rounded_rating = round_rating(rating)
 		self._best = self._rounded_rating
 	@property
 	def rank(self):
 		return rating_to_rank(self._rounded_rating)
 	@property
 	def rounded_rating(self):
 		return self._rounded_rating
 	def update(self, rating):
 		assert rating >= -900
 		rounded_rating = round_rating(rating)
 		old_rank = self.rank
 		if rounded_rating == self._rounded_rating:
 			pass
 		elif rounded_rating > self._rounded_rating:  # promotion
 			# when pushing the best by 2 and more ranks you have to cross the hundred, not just the fifty
 			if rounded_rating >= self._best+200 and rating < rounded_rating:
 				self._rounded_rating = rounded_rating-100
 			else:
 			self._rounded_rating = rounded_rating
 		else:  # demotion
 			# 100 points for 5k and better
 			if self._rounded_rating >= 1600 and self._rounded_rating - rating > 100:
 				self._rounded_rating = rounded_rating
 			# 150 points for the others
 			elif self._rounded_rating - rating > 150:
 				self._rounded_rating = rounded_rating+100
 			else:
 				pass
 		self._best = max(self._best, self._rounded_rating)
 		new_rank = self.rank
 		return new_rank if new_rank != old_rank else False
 def parse_record(record):
 	types = [int, str, str, str, str, str, int, int, int, int]
 	columns = [f(token) for (f, token) in zip(types, record)] + [datetime.strptime(record[5][1:7], "%y%m%d")]
 	return tuple(columns)
 def round_rating(r):
 	return (r+50)//100*100

test.py

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@@ @@ -9,25 +9,25 @@ class TestRankTracker(TestCase): @@
 		for r in [1945, 1949, 1900, 1850]:
 			self.assertFalse(t.update(r), r)
 	def test_promotion(self):
 		# basic
 		t = RankTracker(1945)
 		for (rating, rank) in [(1950, "1k"), (1945, False), (2000, False), (2049, False), (2051, "1d")]:
 			self.assertEqual(t.update(rating), rank, (rating, rank))
 		# 2+ ranks leaps
 		# limited when pushing the personal best
 		self.skipTest("not yet implemented")
+		# self.skipTest("not yet implemented")
 		t = RankTracker(1100)
 		self.assertEqual(t.update(1299), "9k")
 		self.assertEqual(t.update(1250), "8k")
 		self.assertEqual(t.update(1500), "6k")
 		# regular below the personal best
 		t = RankTracker(1201)  # 9k
 		t.update(1000)
 		t.update(900)
 		t.update(849)  # 11k
 		self.assertEqual(t.update(1250), "8k")

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