import math
import random
import binascii
from io import BufferedReader
import re
def generate_random_id():
return str(math.floor(random.random() * 1800000)) + str(math.floor(random.random() * 4000000)) + str(
math.floor(random.random() * 55000))
def get_file_buffer(file, file_operation_mode="rb"):
if isinstance(file, str):
opened_file = open(file, file_operation_mode)
buffer = opened_file.read()
opened_file.close()
elif isinstance(file, BufferedReader):
buffer = file.read()
file.close()
elif isinstance(file, bytes):
buffer = file
else:
return None
return buffer
def get_file_size(file):
buffer = get_file_buffer(file=file)
return len(buffer)
def get_file_crc32(file):
buffer = get_file_buffer(file=file)
crc_buffer = (binascii.crc32(buffer) & 0xFFFFFFFF)
return crc_buffer
def get_image_thumbnails(im):
from io import BytesIO
import base64
from PIL import Image
size = 80, 80
im.thumbnail(size, Image.ANTIALIAS)
output = BytesIO()
im.save(output, format='JPEG')
im_data = output.getvalue()
thumb = '{}'.format(base64.b64encode(im_data).decode())
return thumb
def arabic_to_eng_number(number):
number = str(number)
return number.translate(str.maketrans('۰۱۲۳۴۵۶۷۸۹٠١٢٣٤٥٦٧٨٩', '01234567890123456789'))
def eng_to_arabic_number(number):
number = str(number)
return number.translate(str.maketrans('0123456789', '۰۱۲۳۴۵۶۷۸۹'))
def phone_number_validation(phone_num):
if re.match(r'^(\+98|0098|0)?9\d{9}$', phone_num):
return True
else:
return False
def standardize_phone_number(number):
number_str = str(number)
if number_str.startswith("0098"):
return "+98" + number_str[4:]
elif number_str.startswith("0"):
return "+98" + number_str[1:]
