Python errors.ObsoleteHeaderDefect方法代码示例

# 需要导入模块: from future.backports.email import errors [as 别名]
# 或者: from future.backports.email.errors import ObsoleteHeaderDefect [as 别名]
def get_dtext(value):
    """ dtext = <printable ascii except \ [ ]> / obs-dtext
        obs-dtext = obs-NO-WS-CTL / quoted-pair

    We allow anything except the excluded characters, but if we find any
    ASCII other than the RFC defined printable ASCII an NonPrintableDefect is
    added to the token's defects list.  Quoted pairs are converted to their
    unquoted values, so what is returned is a ptext token, in this case a
    ValueTerminal.  If there were quoted-printables, an ObsoleteHeaderDefect is
    added to the returned token's defect list.

    """
    ptext, value, had_qp = _get_ptext_to_endchars(value, '[]')
    ptext = ValueTerminal(ptext, 'ptext')
    if had_qp:
        ptext.defects.append(errors.ObsoleteHeaderDefect(
            "quoted printable found in domain-literal"))
    _validate_xtext(ptext)
    return ptext, value 

# 需要导入模块: from future.backports.email import errors [as 别名]
# 或者: from future.backports.email.errors import ObsoleteHeaderDefect [as 别名]
def get_phrase(value):
    """ phrase = 1*word / obs-phrase
        obs-phrase = word *(word / "." / CFWS)

    This means a phrase can be a sequence of words, periods, and CFWS in any
    order as long as it starts with at least one word.  If anything other than
    words is detected, an ObsoleteHeaderDefect is added to the token's defect
    list.  We also accept a phrase that starts with CFWS followed by a dot;
    this is registered as an InvalidHeaderDefect, since it is not supported by
    even the obsolete grammar.

    """
    phrase = Phrase()
    try:
        token, value = get_word(value)
        phrase.append(token)
    except errors.HeaderParseError:
        phrase.defects.append(errors.InvalidHeaderDefect(
            "phrase does not start with word"))
    while value and value[0] not in PHRASE_ENDS:
        if value[0]=='.':
            phrase.append(DOT)
            phrase.defects.append(errors.ObsoleteHeaderDefect(
                "period in 'phrase'"))
            value = value[1:]
        else:
            try:
                token, value = get_word(value)
            except errors.HeaderParseError:
                if value[0] in CFWS_LEADER:
                    token, value = get_cfws(value)
                    phrase.defects.append(errors.ObsoleteHeaderDefect(
                        "comment found without atom"))
                else:
                    raise
            phrase.append(token)
    return phrase, value 

# 需要导入模块: from future.backports.email import errors [as 别名]
# 或者: from future.backports.email.errors import ObsoleteHeaderDefect [as 别名]
def get_local_part(value):
    """ local-part = dot-atom / quoted-string / obs-local-part

    """
    local_part = LocalPart()
    leader = None
    if value[0] in CFWS_LEADER:
        leader, value = get_cfws(value)
    if not value:
        raise errors.HeaderParseError(
            "expected local-part but found '{}'".format(value))
    try:
        token, value = get_dot_atom(value)
    except errors.HeaderParseError:
        try:
            token, value = get_word(value)
        except errors.HeaderParseError:
            if value[0] != '\\' and value[0] in PHRASE_ENDS:
                raise
            token = TokenList()
    if leader is not None:
        token[:0] = [leader]
    local_part.append(token)
    if value and (value[0]=='\\' or value[0] not in PHRASE_ENDS):
        obs_local_part, value = get_obs_local_part(str(local_part) + value)
        if obs_local_part.token_type == 'invalid-obs-local-part':
            local_part.defects.append(errors.InvalidHeaderDefect(
                "local-part is not dot-atom, quoted-string, or obs-local-part"))
        else:
            local_part.defects.append(errors.ObsoleteHeaderDefect(
                "local-part is not a dot-atom (contains CFWS)"))
        local_part[0] = obs_local_part
    try:
        local_part.value.encode('ascii')
    except UnicodeEncodeError:
        local_part.defects.append(errors.NonASCIILocalPartDefect(
                "local-part contains non-ASCII characters)"))
    return local_part, value 

# 需要导入模块: from future.backports.email import errors [as 别名]
# 或者: from future.backports.email.errors import ObsoleteHeaderDefect [as 别名]
def get_domain(value):
    """ domain = dot-atom / domain-literal / obs-domain
        obs-domain = atom *("." atom))

    """
    domain = Domain()
    leader = None
    if value[0] in CFWS_LEADER:
        leader, value = get_cfws(value)
    if not value:
        raise errors.HeaderParseError(
            "expected domain but found '{}'".format(value))
    if value[0] == '[':
        token, value = get_domain_literal(value)
        if leader is not None:
            token[:0] = [leader]
        domain.append(token)
        return domain, value
    try:
        token, value = get_dot_atom(value)
    except errors.HeaderParseError:
        token, value = get_atom(value)
    if leader is not None:
        token[:0] = [leader]
    domain.append(token)
    if value and value[0] == '.':
        domain.defects.append(errors.ObsoleteHeaderDefect(
            "domain is not a dot-atom (contains CFWS)"))
        if domain[0].token_type == 'dot-atom':
            domain[:] = domain[0]
        while value and value[0] == '.':
            domain.append(DOT)
            token, value = get_atom(value[1:])
            domain.append(token)
    return domain, value 

# 需要导入模块: from future.backports.email import errors [as 别名]
# 或者: from future.backports.email.errors import ObsoleteHeaderDefect [as 别名]
def get_group_list(value):
    """ group-list = mailbox-list / CFWS / obs-group-list
        obs-group-list = 1*([CFWS] ",") [CFWS]

    """
    group_list = GroupList()
    if not value:
        group_list.defects.append(errors.InvalidHeaderDefect(
            "end of header before group-list"))
        return group_list, value
    leader = None
    if value and value[0] in CFWS_LEADER:
        leader, value = get_cfws(value)
        if not value:
            # This should never happen in email parsing, since CFWS-only is a
            # legal alternative to group-list in a group, which is the only
            # place group-list appears.
            group_list.defects.append(errors.InvalidHeaderDefect(
                "end of header in group-list"))
            group_list.append(leader)
            return group_list, value
        if value[0] == ';':
            group_list.append(leader)
            return group_list, value
    token, value = get_mailbox_list(value)
    if len(token.all_mailboxes)==0:
        if leader is not None:
            group_list.append(leader)
        group_list.extend(token)
        group_list.defects.append(errors.ObsoleteHeaderDefect(
            "group-list with empty entries"))
        return group_list, value
    if leader is not None:
        token[:0] = [leader]
    group_list.append(token)
    return group_list, value