comparison mercurial/mail.py @ 39025:569d662816de

mail: modernize check for Python-with-TLS

We used to be going indirectly through the socket module, but now we
just check for the ssl module.

Differential Revision: https://phab.mercurial-scm.org/D3955

39024:eabdf3c25b8b

                                        ui=self._ui,
                                        serverhostname=self._host)
        self.file = smtplib.SSLFakeFile(new_socket)
        return new_socket

def _smtp(ui):
    '''build an smtp connection and return a function to send mail'''
    local_hostname = ui.config('smtp', 'local_hostname')
    tls = ui.config('smtp', 'tls')
    # backward compatible: when tls = true, we use starttls.
    starttls = tls == 'starttls' or stringutil.parsebool(tls)
    smtps = tls == 'smtps'
    if (starttls or smtps) and not util.safehasattr(socket, 'ssl'):
        raise error.Abort(_("can't use TLS: Python SSL support not installed"))
    mailhost = ui.config('smtp', 'host')
    if not mailhost:
        raise error.Abort(_('smtp.host not configured - cannot send mail'))
    if smtps:

39025:569d662816de

                                        ui=self._ui,
                                        serverhostname=self._host)
        self.file = smtplib.SSLFakeFile(new_socket)
        return new_socket

def _pyhastls():
    """Returns true iff Python has TLS support, false otherwise."""
    try:
        import ssl
        getattr(ssl, 'HAS_TLS', False)
        return True
    except ImportError:
        return False

def _smtp(ui):
    '''build an smtp connection and return a function to send mail'''
    local_hostname = ui.config('smtp', 'local_hostname')
    tls = ui.config('smtp', 'tls')
    # backward compatible: when tls = true, we use starttls.
    starttls = tls == 'starttls' or stringutil.parsebool(tls)
    smtps = tls == 'smtps'
    if (starttls or smtps) and not _pyhastls():
        raise error.Abort(_("can't use TLS: Python SSL support not installed"))
    mailhost = ui.config('smtp', 'host')
    if not mailhost:
        raise error.Abort(_('smtp.host not configured - cannot send mail'))
    if smtps: