import dateparser
from datetime import datetime

# ~1.5GB of leaked memory after function finish
def hard_leak():
    for i in range(3000):
        # every call == -0.55MB of leaked memory
        dateparser.parse('dasdasd', settings={'RELATIVE_BASE': datetime.utcnow()})


# ~27MB of leaked memory after function finish
def light_leak():
    for i in range(3000):
        # every call == -0.01MB of leaked memory
        dateparser.parse('12.01.2021', settings={'RELATIVE_BASE': datetime.utcnow()})

    _split_regex_cache = {}
    _sorted_words_cache = {}
    _split_relative_regex_cache = {}
    _sorted_relative_strings_cache = {}
    _match_relative_regex_cache = {}