app-MAIL-temp/app/utils.py

75 lines
1.8 KiB
Python

import random
import string
import urllib.parse
from unidecode import unidecode
from .config import WORDS_FILE_PATH
from .log import LOG
with open(WORDS_FILE_PATH) as f:
LOG.d("load words file: %s", WORDS_FILE_PATH)
_words = f.read().split()
def random_word():
return random.choice(_words)
def word_exist(word):
return word in _words
def random_words():
"""Generate a random words. Used to generate user-facing string, for ex email addresses"""
# nb_words = random.randint(2, 3)
nb_words = 2
return "_".join([random.choice(_words) for i in range(nb_words)])
def random_string(length=10, include_digits=False):
"""Generate a random string of fixed length """
letters = string.ascii_lowercase
if include_digits:
letters += string.digits
return "".join(random.choice(letters) for _ in range(length))
def convert_to_id(s: str):
"""convert a string to id-like: remove space, remove special accent"""
s = s.replace(" ", "")
s = s.lower()
s = unidecode(s)
return s
_ALLOWED_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-."
def convert_to_alphanumeric(s: str) -> str:
ret = []
# drop all control characters like shift, separator, etc
for c in s:
if c not in _ALLOWED_CHARS:
ret.append("_")
else:
ret.append(c)
return "".join(ret)
def encode_url(url):
return urllib.parse.quote(url, safe="")
def sanitize_email(email_address: str) -> str:
if email_address:
return email_address.lower().strip().replace(" ", "").replace("\n", " ")
return email_address
def query2str(query):
"""Useful utility method to print out a SQLAlchemy query"""
return query.statement.compile(compile_kwargs={"literal_binds": True})