pymilter 0.9.5
Functions | Variables
Package Milter.utils

Miscellaneous functions. More...

Functions

def addr2bin
def bin2long6
def inet_ntop
def inet_pton
def cidr
def iniplist
def parseaddr
 Split email into Fullname and address.
def parse_addr
def parse_header
 Decode headers gratuitously encoded to hide the content.

Variables

string PAT_IP4 = r'\.'
tuple ip4re = re.compile(PAT_IP4+'$')
tuple ip6re
int MASK = 0xFFFFFFFFL
int MASK6 = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL

Detailed Description

Miscellaneous functions.


Function Documentation

def Milter.utils.addr2bin (   s)
Convert a string IPv4 address into an unsigned integer.
def Milter.utils.bin2long6 (   s)
Convert binary IP6 address into an unsigned Python long integer.
def Milter.utils.iniplist (   ipaddr,
  iplist 
)
Return whether ip is in cidr list
>>> iniplist('66.179.26.146',['127.0.0.1','66.179.26.128/26'])
True
>>> iniplist('127.0.0.1',['127.0.0.1','66.179.26.128/26'])
True
>>> iniplist('192.168.0.45',['192.168.0.*'])
True
>>> iniplist('2001:610:779:0:223:6cff:fe9a:9cf3',['127.0.0.1','172.20.1.0/24','2001:610:779::/48'])
True
>>> iniplist('2G01:610:779:0:223:6cff:fe9a:9cf3',['127.0.0.1','172.20.1.0/24','2001:610:779::/48'])
Traceback (most recent call last):
  ...
ValueError: Invalid ip syntax:2G01:610:779:0:223:6cff:fe9a:9cf3
def Milter.utils.parse_addr (   t)
Split email into user,domain.

>>> parse_addr('user@example.com')
['user', 'example.com']
>>> parse_addr('"user@example.com"')
['user@example.com']
>>> parse_addr('"user@bar"@example.com')
['user@bar', 'example.com']
>>> parse_addr('foo')
['foo']
>>> parse_addr('@mx.example.com:user@example.com')
['user', 'example.com']
>>> parse_addr('@user@example.com')
['@user', 'example.com']
def Milter.utils.parse_header (   val)

Decode headers gratuitously encoded to hide the content.

Spammers often encode headers to obscure the content from spam filters. This function decodes gratuitously encoded headers.

Parameters:
valthe raw header value
Returns:
the decoded value or the original raw value
Decode headers gratuitously encoded to hide the content.
def Milter.utils.parseaddr (   t)

Split email into Fullname and address.

This replaces email.Utils.parseaddr but fixes some tricky test cases.

Split email into Fullname and address.

>>> parseaddr('user@example.com')
('', 'user@example.com')
>>> parseaddr('"Full Name" <foo@example.com>')
('Full Name', 'foo@example.com')
>>> parseaddr('spam@spammer.com <foo@example.com>')
('spam@spammer.com', 'foo@example.com')
>>> parseaddr('God@heaven <@hop1.org,@hop2.net:jeff@spec.org>')
('God@heaven', 'jeff@spec.org')
>>> parseaddr('Real Name ((comment)) <addr...@example.com>')
('Real Name', 'addr...@example.com')
>>> parseaddr('a(WRONG)@b')
('WRONG', 'a@b')

Variable Documentation

tuple Milter::utils.ip6re
Initial value:
00001 re.compile(                 '(?:%(hex4)s:){6}%(ls32)s$'
00002                    '|::(?:%(hex4)s:){5}%(ls32)s$'
00003                   '|(?:%(hex4)s)?::(?:%(hex4)s:){4}%(ls32)s$'
00004     '|(?:(?:%(hex4)s:){0,1}%(hex4)s)?::(?:%(hex4)s:){3}%(ls32)s$'
00005     '|(?:(?:%(hex4)s:){0,2}%(hex4)s)?::(?:%(hex4)s:){2}%(ls32)s$'
00006     '|(?:(?:%(hex4)s:){0,3}%(hex4)s)?::%(hex4)s:%(ls32)s$'
00007     '|(?:(?:%(hex4)s:){0,4}%(hex4)s)?::%(ls32)s$'
00008     '|(?:(?:%(hex4)s:){0,5}%(hex4)s)?::%(hex4)s$'
00009     '|(?:(?:%(hex4)s:){0,6}%(hex4)s)?::$'
00010   % {
00011     'ls32': r'(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|%s)'%PAT_IP4,
00012     'hex4': r'[0-9a-f]{1,4}'
00013     }, re.IGNORECASE)