the sleepy snake
index :: num
module num
Various number crunching methods
The num module defines the following errors:
| NumError |
The num module defines the following constants:
| HEX_DIGITS | string [1-9a-f] |
| HEX_PREFIXES | ('0x', '0X', '&H', '&h') |
The num module defines the following classes:
| BitArray | class implementing a bit array |
The num module defines the following functions:
types
DWORD(num)| casts a number or string to a DWORD
| WORD(num) | casts a number or string to a WORD
| |
UBYTE(num)| casts a number or string to a UBYTE
|
bits |
| bit_set(n, integer) | sets a bit in the integer |
| bit_clear(n, integer) | clears a bit in the integer |
| bit_is_set(n, integer) | checks if a bit is set in the integer |
| bit_toggle(n, integer) | toggles a bit in the integer |
bytes
| loword(dword) | returns the loword of a DWORD | ||
| hiword(dword) | returns the hiword of a DWORD | ||
| lobyte(word) | returns the lobyte of a WORD | ||
| hibyte(word) | returns the hibyte of a WORD | ||
| makelong(word1, word2) | combines two WORDs to a DWORD | ||
| makeword(byte1, byte2) | combines two bytes to a WORD | ||
htonl(DWORD)| taken from socket module
| htons(WORD) | taken from socket module
| |
ntohl(DWORD)| taken from socket module
| ntohs(WORD) | taken from socket module
| |
conversions
| bin_to_int(bin) | converts an string representing a binary number to an integer |
| int_to_bin(integer) | converts an integer to a string representing a binary number |
| to_base(to_base, num, base=10) | converts a number or string to a number of the desired base |
hex
| prefix(num, prefix='0x') | prefixes a number |
| unprefix(num, prefixes=HEX_PREFIXES) | removes the prefix from a number |