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<title>12.11.2 AddressList Objects
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<H2><A NAME=
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12.11.2 AddressList Objects
An
<tt class=
"class">AddressList
</tt> instance has the following methods:
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<td><nobr><b><tt id='l2h-
4100' xml:id='l2h-
4100'
class=
"method">__len__
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
Return the number of addresses in the address list.
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<td><nobr><b><tt id='l2h-
4101' xml:id='l2h-
4101'
class=
"method">__str__
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
Return a canonicalized string representation of the address list.
Addresses are rendered in
"name" <host@domain
> form, comma-separated.
<dl><dt><table cellpadding=
"0" cellspacing=
"0"><tr valign=
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<td><nobr><b><tt id='l2h-
4102' xml:id='l2h-
4102'
class=
"method">__add__
</tt></b>(
</nobr></td>
<td><var>alist
</var>)
</td></tr></table></dt>
Return a new
<tt class=
"class">AddressList
</tt> instance that contains all addresses
in both
<tt class=
"class">AddressList
</tt> operands, with duplicates removed (set
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<td><nobr><b><tt id='l2h-
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4103'
class=
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</tt></b>(
</nobr></td>
<td><var>alist
</var>)
</td></tr></table></dt>
In-place version of
<tt class=
"method">__add__()
</tt>; turns this
<tt class=
"class">AddressList
</tt>
instance into the union of itself and the right-hand instance,
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<td><nobr><b><tt id='l2h-
4104' xml:id='l2h-
4104'
class=
"method">__sub__
</tt></b>(
</nobr></td>
<td><var>alist
</var>)
</td></tr></table></dt>
Return a new
<tt class=
"class">AddressList
</tt> instance that contains every address
in the left-hand
<tt class=
"class">AddressList
</tt> operand that is not present in
the right-hand address operand (set difference).
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4105' xml:id='l2h-
4105'
class=
"method">__isub__
</tt></b>(
</nobr></td>
<td><var>alist
</var>)
</td></tr></table></dt>
In-place version of
<tt class=
"method">__sub__()
</tt>, removing addresses in this
list which are also in
<var>alist
</var>.
Finally,
<tt class=
"class">AddressList
</tt> instances have one public instance variable:
<dl><dt><b><tt id='l2h-
4106' xml:id='l2h-
4106'
class=
"member">addresslist
</tt></b></dt>
A list of tuple string pairs, one per address. In each member, the
first is the canonicalized name part, the second is the
actual route-address (
"<tt class="character
">@</tt>"-separated username-host.domain
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