mdiluz/matchy
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Adjust to simply step forward in time until present day

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This commit is contained in:
Marc Di Luzio 2024-08-10 15:13:42 +01:00
parent 874a24dd1d
commit e002c5c9d5
1 changed files with 11 additions and 16 deletions
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27
matching.py
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@ -6,13 +6,10 @@ import history
# Number of days to step forward from the start of history for each match attempt
_ATTEMPT_RELEVANCY_STEP = timedelta(days=7)
_ATTEMPT_RELEVANCY_TIMESTEP = timedelta(days=7)
# Attempts for each of those time periods
_ATTEMPTS_PER_TIME = 3
# Mamum attempts worth taking
_MAX_ATTEMPTS = _ATTEMPTS_PER_TIME*10
_ATTEMPTS_PER_TIMESTEP = 3
logger = logging.getLogger("matching")
logger.setLevel(logging.INFO)
@ -102,10 +99,9 @@ def attempt_create_groups(matchees: list[Member],
def members_to_groups(matchees: list[Member],
hist: history.History = history.History(),
per_group: int = 3, max_attempts: int = _MAX_ATTEMPTS) -> list[list[Member]]:
per_group: int = 3) -> list[list[Member]]:
"""Generate the groups from the set of matchees"""
num_groups = max(len(matchees)//per_group, 1)
attempts = max_attempts
# Only both with the complicated matching if we have a history
# TODO: When matching takes into account more than history this should change
@ -117,28 +113,27 @@ def members_to_groups(matchees: list[Member],
oldest_relevant_datetime = hist.oldest()
# Loop until we find a valid set of groups
while attempts:
attempts -= 1
attempts = 0
while True:
attempts += 1
groups = attempt_create_groups(
matchees, hist, oldest_relevant_datetime, num_groups)
if groups:
logger.info("Matched groups after %s attempt(s)",
_MAX_ATTEMPTS - attempts)
logger.info("Matched groups after %s attempt(s)", attempts)
return groups
# In case we still don't have groups we should progress and
# walk the oldest relevant timestamp forward a week
# Stop bothering if we've gone beyond today
if attempts % _ATTEMPTS_PER_TIME == 0:
oldest_relevant_datetime += _ATTEMPT_RELEVANCY_STEP
# Stop bothering when we finally go beyond today
if attempts % _ATTEMPTS_PER_TIMESTEP == 0:
oldest_relevant_datetime += _ATTEMPT_RELEVANCY_TIMESTEP
if oldest_relevant_datetime > datetime.now():
break
# If we've still failed, just use the simple method
logger.info("Fell back to simple groups after %s attempt(s)",
_MAX_ATTEMPTS - attempts)
logger.info("Fell back to simple groups after %s attempt(s)", attempts)
return members_to_groups_simple(matchees, num_groups)