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import hashlib

from data_diff.database import CHECKSUM_HEXDIGITS, MD5_HEXDIGITS

import logging

logging.basicConfig(level=logging.WARN)

TEST_MYSQL_CONN_STRING = "mysql://mysql:Password1@localhost/mysql"

try:

from .local_settings import *

except ImportError:

pass # No local settings

def str_to_checksum(str: str):

# hello world

# => 5eb63bbbe01eeed093cb22bb8f5acdc3

# => cb22bb8f5acdc3

# => 273350391345368515

m = hashlib.md5()

m.update(str.encode("utf-8")) # encode to binary

md5 = m.hexdigest()

# 0-indexed, unlike DBs which are 1-indexed here, so +1 in dbs

half_pos = MD5_HEXDIGITS - CHECKSUM_HEXDIGITS

return int(md5[half_pos:], 16)