Merged revisions 72183-72184 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r72183 | georg.brandl | 2009-05-01 14:28:35 -0700 (Fri, 01 May 2009) | 2 lines Review ipaddr docs and add them in the TOC under "Internet protocols". ........ r72184 | georg.brandl | 2009-05-01 14:30:25 -0700 (Fri, 01 May 2009) | 1 line Fix directive name. ........
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Gregory P. Smith
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@ -37,6 +37,7 @@ is currently supported on most popular platforms. Here is an overview:
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smtpd.rst
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telnetlib.rst
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uuid.rst
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ipaddr.rst
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socketserver.rst
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http.server.rst
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http.cookies.rst
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@ -1,4 +1,3 @@
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:mod:`ipaddr` --- IP address manipulation library
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=================================================
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@ -19,125 +18,125 @@ both IPv4 and IPv6.
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.. function:: IP(ipaddr)
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Take an IP string or int and return an object of the correct type.
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Returns an :class:`IPv4` or :class:`IPv6` object.
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Take an IP string or int and return an object of the correct type. Returns
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an :class:`IPv4` or :class:`IPv6` object.
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The ``ipaddr`` parameter must be a string or integer representing the IP
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address. Either IPv4 or IPv6 addresses may be supplied. Integers less
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than 2**32 will be considered to be IPv4.
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The *ipaddr* parameter must be a string or integer representing the IP
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address. Either IPv4 or IPv6 addresses may be supplied. Integers less than
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2**32 will be considered to be IPv4.
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Raises :exc:`ValueError` if the ipaddr passed is not either an IPv4 or an
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Raises :exc:`ValueError` if the *ipaddr* passed is not either an IPv4 or an
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IPv6 address.
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.. function:: collapse_address_list(addresses)
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Collapses a sequence of :class:`IPv4` or :class:`IPv6` objects into
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the most concise representation. Returns a list of :class:`IPv4`
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or :class:`IPv6` objects.
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Collapse a sequence of :class:`IPv4` or :class:`IPv6` objects into the most
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concise representation. Returns a list of :class:`IPv4` or :class:`IPv6`
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objects.
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Example usage::
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Example usage::
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>>> collapse_address_list([IPv4('1.1.0.0/24'), IPv4('1.1.1.0/24')])
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[IPv4('1.1.0.0/23')]
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>>> collapse_address_list([IPv4('1.1.0.0/24'), IPv4('1.1.1.0/24')])
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[IPv4('1.1.0.0/23')]
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.. class:: BaseIP()
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A generic IP address object. This base class defines the API and contains
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common code. Most authors should either use the :func:`IP` function or
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create :class:`IPv4` or :class:`IPv6` objects directly rather than using
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this base class.
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create :class:`IPv4` or :class:`IPv6` objects directly rather than using this
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base class.
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IP address objects support the following python operators:
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``=``, ``!=``, ``<``, ``>``, ``<=``, ``>=``, and ``in``.
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An IP address object may be used as a sequence index or as a hash key
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and can be converted back to an integer representation using ``int()``.
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It may also be used as a sequence that yeilds the string
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representation of every IP address within the object's subnet.
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An IP address object may be used as a sequence index or as a hash key and can
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be converted back to an integer representation using :func:`int`. It may
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also be used as a sequence that yields the string representation of every IP
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address within the object's subnet.
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The following properties are available on all IP address objects:
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.. data:: broadcast
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.. attribute:: broadcast
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Integer representation of the broadcast address. Read only.
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.. data:: broadcast_ext
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.. attribute:: broadcast_ext
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Dotted decimal or colon string version of the broadcast address. Read only.
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Dotted decimal or colon string version of the broadcast address. Read
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only.
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.. data:: hostmask
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.. attribute:: hostmask
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Integer representation of the hostmask. Read only.
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.. data:: hostmask_ext
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.. attribute:: hostmask_ext
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Dotted decimal or colon string version of the hostmask. Read only.
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.. data:: ip
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.. attribute:: ip
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Integer representation of the IP address. Read only.
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.. data:: ip_ext
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.. attribute:: ip_ext
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Dotted decimal or colon string version of the IP address. Read only.
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.. data:: ip_ext_full
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.. attribute:: ip_ext_full
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Canonical string version of the IP address. Read only.
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.. data:: is_loopback
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.. attribute:: is_loopback
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True if the address is a loopback address as defined in IPv4 :rfc:`3330`
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or IPv6 :rfc:`2373` section 2.5.3.
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.. data:: is_link_local
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.. attribute:: is_link_local
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True if the address is a link-local address as defined in IPv4 :rfc:`3927`
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or IPv6 :rfc:`4291`.
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.. data:: is_multicast
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.. attribute:: is_multicast
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True if the address is reserved for multicast use.
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See IPv4 :rfc:`3171` or IPv6 :rfc:`2373` section 2.7 for details.
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True if the address is reserved for multicast use. See IPv4 :rfc:`3171`
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or IPv6 :rfc:`2373` section 2.7 for details.
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.. data:: is_private
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.. attribute:: is_private
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True if the address is reserved for private networks as defined in
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IPv4 :rfc:`1918` or IPv6 :rfc:`4193`.
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True if the address is reserved for private networks as defined in IPv4
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:rfc:`1918` or IPv6 :rfc:`4193`.
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.. data:: netmask
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.. attribute:: netmask
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Integer representation of the netmask. Read only.
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.. data:: netmask_ext
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.. attribute:: netmask_ext
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Dotted decimal or colon string version of the netmask. Read only.
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.. data:: network
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.. attribute:: network
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Integer representation of the network. Read only.
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.. data:: network_ext
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.. attribute:: network_ext
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Dotted decimal or colon string version of the network. Read only.
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.. data:: numhosts
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.. attribute:: numhosts
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Number of hosts in the current subnet. Read only.
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.. data:: packed
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.. attribute:: packed
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The packed network byte order representation of this network address. Read only.
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The packed network byte order representation of this network address.
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Read only.
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.. data:: prefixlen
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.. attribute:: prefixlen
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A property to get and set the prefix length. Readable and writeable.
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.. data:: version
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.. attribute:: version
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Integer IP version number. Read only.
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@ -146,23 +145,23 @@ Example usage::
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.. method:: address_exclude(other)
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Remove an address from within a larger block.
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Returns a sorted list of IP address objects representing networks.
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Remove an address from within a larger block. Returns a sorted list of IP
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address objects representing networks.
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Examples::
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Examples::
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>>> addr1 = IP('10.1.1.0/24')
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>>> addr2 = IP('10.1.1.0/26')
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>>> addr1.address_exclude(addr2)
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[IP('10.1.1.64/26'), IP('10.1.1.128/25')]
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>>> addr1 = IP('10.1.1.0/24')
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>>> addr2 = IP('10.1.1.0/26')
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>>> addr1.address_exclude(addr2)
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[IP('10.1.1.64/26'), IP('10.1.1.128/25')]
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>>> addr1 = IP('::1/32')
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>>> addr2 = IP('::1/128')
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>>> addr1.address_exclude(addr2)
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[IP('::0/128'), IP('::2/127'), IP('::4/126'), IP('::8/125'),
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... IP('0:0:8000::/33')]
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>>> addr1 = IP('::1/32')
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>>> addr2 = IP('::1/128')
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>>> addr1.address_exclude(addr2)
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[IP('::0/128'), IP('::2/127'), IP('::4/126'), IP('::8/125'),
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... IP('0:0:8000::/33')]
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Raises :exc:`ValueError` if `other` is not completely contained by self.
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Raises :exc:`ValueError` if *other* is not completely contained by *self*.
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.. method:: compare_networks(other)
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@ -170,9 +169,9 @@ Example usage::
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Compare this IP object's network to another IP network.
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Returns -1, 0 or 1.
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This compares the integer representation of the network addresses.
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The host bits are not considered by this method.
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If you want to compare host bits, you can use ``host_a.ip < host_b.ip``.
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This compares the integer representation of the network addresses. The
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host bits are not considered by this method. If you want to compare host
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bits, you can use ``host_a.ip < host_b.ip``.
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If the IP versions of self and other are the same, returns:
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@ -204,14 +203,14 @@ Example usage::
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Returns a list of subnets which when joined make up the current subnet.
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The optional ``prefixlen_diff`` argument specifies how many bits the prefix
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length should be increased by. Given a /24 network and prefixlen_diff=3,
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for example, 8 subnets of size /27 will be returned.
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The optional *prefixlen_diff* argument specifies how many bits the prefix
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length should be increased by. Given a /24 network and
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``prefixlen_diff=3``, for example, 8 subnets of size /27 will be returned.
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If called on a host IP address rather than a network, a list containing
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the host itself will be returned.
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Raises :exc:`PrefixlenDiffInvalidError` if the prefixlen_diff is out of
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Raises :exc:`PrefixlenDiffInvalidError` if the *prefixlen_diff* is out of
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range.
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@ -220,9 +219,10 @@ Example usage::
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Returns a single IP object representing the supernet containing the
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current network.
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The optional ``prefixlen_diff`` argument specifies how many bits the prefix
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length should be decreased by. Given a /24 network and prefixlen_diff=3,
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for example, a supernet with a 21 bit netmask is returned.
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The optional *prefixlen_diff* argument specifies how many bits the prefix
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length should be decreased by. Given a /24 network and
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``prefixlen_diff=3``, for example, a supernet with a 21 bit netmask is
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returned.
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Raises :exc:`PrefixlenDiffInvalidError` if the prefixlen_diff is out of
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range.
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@ -269,9 +269,10 @@ Example usage::
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.netmask_ext: 64
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.prefixlen: 64
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.. data:: is_site_local
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.. attribute:: is_site_local
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True if the address was reserved as site-local in :rfc:`3513` section 2.5.6.
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True if the address was reserved as site-local in :rfc:`3513` section
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2.5.6.
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.. note::
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@ -279,9 +280,10 @@ Example usage::
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Use :data:`is_private` to test if this address is in the space of
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unique local addresses as defined by :rfc:`4193`.
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.. data:: is_unspecified
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.. attribute:: is_unspecified
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True if this is the unspecified address as defined in :rfc:`2373` section 2.5.2.
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True if this is the unspecified address as defined in :rfc:`2373` section
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2.5.2.
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The following exceptions are defined by this module:
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@ -316,12 +318,12 @@ The following exceptions are defined by this module:
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.. exception:: PrefixlenDiffInvalidError
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Raised when :meth:`BaseIP.subnet` or :meth:`BaseIP.supernet` is called with a bad
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``prefixlen_diff``.
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Raised when :meth:`BaseIP.subnet` or :meth:`BaseIP.supernet` is called with a
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bad ``prefixlen_diff``.
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.. seealso::
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http://code.google.com/p/ipaddr-py/
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The original source of this module and a place to download it as
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a package for use on earlier versions of Python.
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The original source of this module and a place to download it as a package
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for use on earlier versions of Python.
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