86 lines
2.1 KiB
Python
86 lines
2.1 KiB
Python
import random
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import string
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import urllib.parse
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from unidecode import unidecode
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from .config import WORDS_FILE_PATH, ALIAS_RANDOM_SUFFIX_LENGTH
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from .log import LOG
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from .models import User, AliasSuffixEnum
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with open(WORDS_FILE_PATH) as f:
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LOG.d("load words file: %s", WORDS_FILE_PATH)
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_words = f.read().split()
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def random_word():
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return random.choice(_words)
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def get_suffix(user: User) -> str:
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"""Get random suffix for an alias based on user's preference.
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Args:
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user (User): the user who is trying to create an alias
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Returns:
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str: the random suffix generated
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"""
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if user.random_alias_suffix == AliasSuffixEnum.random_string.value:
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return random_string(ALIAS_RANDOM_SUFFIX_LENGTH, include_digits=True)
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return random_word()
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def word_exist(word):
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return word in _words
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def random_words():
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"""Generate a random words. Used to generate user-facing string, for ex email addresses"""
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# nb_words = random.randint(2, 3)
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nb_words = 2
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return "_".join([random.choice(_words) for i in range(nb_words)])
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def random_string(length=10, include_digits=False):
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"""Generate a random string of fixed length """
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letters = string.ascii_lowercase
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if include_digits:
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letters += string.digits
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return "".join(random.choice(letters) for _ in range(length))
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def convert_to_id(s: str):
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"""convert a string to id-like: remove space, remove special accent"""
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s = s.replace(" ", "")
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s = s.lower()
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s = unidecode(s)
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return s
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_ALLOWED_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-."
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def convert_to_alphanumeric(s: str) -> str:
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ret = []
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# drop all control characters like shift, separator, etc
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for c in s:
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if c not in _ALLOWED_CHARS:
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ret.append("_")
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else:
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ret.append(c)
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return "".join(ret)
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def encode_url(url):
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return urllib.parse.quote(url, safe="")
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def sanitize_email(email_address: str) -> str:
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if email_address:
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return email_address.lower().strip().replace(" ", "").replace("\n", " ")
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return email_address
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