inventree/InvenTree
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Remove regex import from helpers.py

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Ref: https://github.com/inventree/InvenTree/pull/8547
This commit is contained in:
Oliver Walters 2024-11-30 00:22:17 +00:00
parent d0b87a1a12
commit 44c1046a43
1 changed files with 13 additions and 21 deletions
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28
src/backend/InvenTree/InvenTree/helpers.py
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@ -3,7 +3,6 @@
import datetime
import hashlib
import io
import json
import logging
import os
import os.path
@ -23,12 +22,9 @@ from django.utils.translation import gettext_lazy as _
import bleach
import pytz
import regex
from bleach import clean
from djmoney.money import Money
from PIL import Image
import InvenTree.version
from common.currency import currency_code_default
from .settings import MEDIA_URL, STATIC_URL
@ -144,6 +140,8 @@ def getStaticUrl(filename):
def TestIfImage(img):
"""Test if an image file is indeed an image."""
from PIL import Image
try:
Image.open(img).verify()
return True
@ -785,28 +783,22 @@ def strip_html_tags(value: str, raise_error=True, field_name=None):
return cleaned
def remove_non_printable_characters(
value: str, remove_newline=True, remove_ascii=True, remove_unicode=True
):
def remove_non_printable_characters(value: str, remove_newline=True) -> str:
"""Remove non-printable / control characters from the provided string."""
cleaned = value
if remove_ascii:
# Remove ASCII control characters
# Note that we do not sub out 0x0A (\n) here, it is done separately below
cleaned = regex.sub('[\x00-\x09]+', '', cleaned)
cleaned = regex.sub('[\x0b-\x1f\x7f]+', '', cleaned)
regex = re.compile(r'[\u0000-\u0009\u000B-\u001F\u007F-\u009F]')
cleaned = regex.sub('', cleaned)
if remove_newline:
cleaned = regex.sub('[\x0a]+', '', cleaned)
if remove_unicode:
# Remove Unicode control characters
regex = re.compile(r'[\u200E\u200F\u202A-\u202E]')
cleaned = regex.sub('', cleaned)
if remove_newline:
cleaned = regex.sub('[^\P{C}]+', '', cleaned)
else:
# Use 'negative-lookahead' to exclude newline character
cleaned = regex.sub('(?![\x0a])[^\P{C}]+', '', cleaned)
regex = re.compile(r'[\x0A]')
cleaned = regex.sub('', cleaned)
return cleaned