codekingpro/portable-devtools

1# A command-line tool for testing.2#3# Usage:4#5# python -m email_validator test@example.org6# python -m email_validator < LIST_OF_ADDRESSES.TXT7#8# Provide email addresses to validate either as a command-line argument9# or in STDIN separated by newlines. Validation errors will be printed for10# invalid email addresses. When passing an email address on the command11# line, if the email address is valid, information about it will be printed.12# When using STDIN, no output will be given for valid email addresses.13#14# Keyword arguments to validate_email can be set in environment variables15# of the same name but upprcase (see below).16 17import json18import os19import sys20 21from .validate_email import validate_email22from .deliverability import caching_resolver23from .exceptions_types import EmailNotValidError24 25 26def main(dns_resolver=None):27    # The dns_resolver argument is for tests.28 29    # Set options from environment variables.30    options = {}31    for varname in ('ALLOW_SMTPUTF8', 'ALLOW_QUOTED_LOCAL', 'ALLOW_DOMAIN_LITERAL',32                    'GLOBALLY_DELIVERABLE', 'CHECK_DELIVERABILITY', 'TEST_ENVIRONMENT'):33        if varname in os.environ:34            options[varname.lower()] = bool(os.environ[varname])35    for varname in ('DEFAULT_TIMEOUT',):36        if varname in os.environ:37            options[varname.lower()] = float(os.environ[varname])38 39    if len(sys.argv) == 1:40        # Validate the email addresses pased line-by-line on STDIN.41        dns_resolver = dns_resolver or caching_resolver()42        for line in sys.stdin:43            email = line.strip()44            try:45                validate_email(email, dns_resolver=dns_resolver, **options)46            except EmailNotValidError as e:47                print(f"{email} {e}")48    else:49        # Validate the email address passed on the command line.50        email = sys.argv[1]51        try:52            result = validate_email(email, dns_resolver=dns_resolver, **options)53            print(json.dumps(result.as_dict(), indent=2, sort_keys=True, ensure_ascii=False))54        except EmailNotValidError as e:55            print(e)56 57 58if __name__ == "__main__":59    main()60