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perf: faster generate_hash

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This commit is contained in:
Ankush Menat 2022-11-09 22:25:47 +05:30
parent a42ca7d8c1
commit fcaa16bb21
1 changed files with 5 additions and 12 deletions
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17
frappe/__init__.py
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@ -1018,19 +1018,12 @@ def get_precision(
return get_field_precision(get_meta(doctype).get_field(fieldname), doc, currency)
def generate_hash(txt: str | None = None, length: int | None = None) -> str:
"""Generates random hash for given text + current timestamp + random string."""
import hashlib
import time
def generate_hash(txt: str | None = None, length: int | None = 56) -> str:
"""Generate random hash using best available randomness source."""
import math
import secrets
from .utils import random_string
digest = hashlib.sha224(
((txt or "") + repr(time.time()) + repr(random_string(8))).encode()
).hexdigest()
if length:
digest = digest[:length]
return digest
return secrets.token_hex(math.ceil(length / 2))[:length]
def reset_metadata_version():