📄 appendixd.htm
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<td><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
<b>__hash__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Class; return a 32-bit value that can be used as a hash index. Called by
using your class object as a key for a dictionary and by the built-in
</font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
hash()</i></font><font face="Times New Roman, Times, Serif" size="3">
function. If your class is mutable, do not implement the </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
__hash__</font><font face="Times New Roman, Times, Serif" size="3">
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<td><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
<b>__hex__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; return a string representing the hexadecimal equivalent of your
class.</font></td>
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<td><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
<b>__init__(<i>self[,args])<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Class; called when an instance of your class is created. The </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
args</i></font><font face="Times New Roman, Times, Serif" size="3">
optional.</font></td>
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<b>__int__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; if your class can be converted to an integer, return that
integer equivalent.</font></td>
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<b>__invert__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; return the result of a bitwise </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
invert</font><font face="Times New Roman, Times, Serif" size="3">
operation (~).</font><font face="Times New Roman, Times, Serif" color="#ffff00" size="3"><!-- break --></font></td>
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<font face="Times New Roman, Times, Serif" color="#ff0000" size="2">Page
478</font></td>
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<b>__len__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Sequence and mapping; called by built-in function </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
len()</i></font><i><font face="Times New Roman, Times, Serif" size="3">.</font></i><font face="Times New Roman, Times, Serif" size="3">
Return the length of your class, however you want to define it.</font></td>
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<b>__long__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; if your class can be converted to a long integer, return that
long integer equivalent.</font></td>
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<td><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
<b>__lshift__(<i>self,other)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; return the result of performing a left-shift (<<) by </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
other</i></font><font face="Times New Roman, Times, Serif" size="3">
bits or units on your class, but only if it makes sense.</font></td>
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<b>__mod__(<i>self,other)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; divide </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
self</i></font><font face="Times New Roman, Times, Serif" size="3"> by
</font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
other</i></font><font face="Times New Roman, Times, Serif" size="3"> and
return the remainder.</font></td>
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<td><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
<b>__mul__(<i>self,other)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; multiply </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
self</i></font><font face="Times New Roman, Times, Serif" size="3">
times </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><i>
other</i></font><font face="Times New Roman, Times, Serif" size="3"> and
return the result.</font></td>
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<td><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
<b>__neg__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Numeric; perform the equivalent of multiplying your class times -1 and
return the result.</font></td>
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<td><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">
<b>__nonzero__(<i>self)<br>
</i></b></font><font face="Times New Roman, Times, Serif" size="3">
Class; return </font>
<font face="Courier New, Courier, Mono New, Courier, Mono" size="3"><b>0</b></font><font face="Times New Roman, Times, Serif" size="3">
or </font>
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