writema 1.0.1a0

Writema? What's Writema?

Writema? What's Writema?

Writema is a binary stream writing library

Well, what does it do?

Well I'm glad you asked!

Writema is a little library I started to help with writing binary files.

That's it?

Well yeah, what did you expect? Some large module I've been writing my entire life that will change the world with its amazing binary writing ability?

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Usage

Note, requires Python 3.8 or higher (For now at least)

Installation

pip install writema

Sample code

from writema import Writema

# Let's say you want to write a file to contain in order:
# - An integer
# - An unsigned integer
# - A double
# - A string prefixed by its length with a byte
# - A large buffer blob you dont exactly know the length of
w = Writema("some_file.bin") # note: defaults to Little Endian

w.write(4, 69)  # write a 4 byte integer (int32_t)
w.uwrite(2, -1337)  # write an unsigned 2 bit integer (uint16_t)

w.write("d", 2.718281828459045)  # write the constant e as a double

string = b"Hello, World!"
length = len(string)

w.write(1, length)
w.bytes(string)

important_data = ...  # imagine theres some very large binary blob here in bytes
w.bytes(important_data)

Example of ways to do the same action

from writema import Writema, WritemaTypes

w = Writema()

# lets say you want the end buffer to be b"AAAABBBBCCCCDDDD"
# heres four ways you can do each of the four bytes

w.write(4, 1094795585)  # Writes a 32 bit (4 byte) integer (AAAA = 1094795585)
w.write("int", 1111638594)  # this also writes a 32 bit int (BBBB = 1111638594)
w.write(WritemaTypes.int, 1128481603)  # someone might prefer this idk (CCCC = 1128481603)
w.bytes(b"DDDD")  # its a bytestring, probably the easiest to work with

Other examples

# writing floats and doubles is a little scuffed for now, i plan to find a better solution
w.write("f", 6.9)
w.write("float", 6.9)
w.write(WritemaTypes.float, 6.9)
w.write("d", 6.90000001)
w.write("double", 6.90000001)
w.write(WritemaTypes.double, 6.90000001)

# you can also set endianness
w.set_endianness("big")
# and
w.set_endianness("little")  # the correct endianness /s

Documentation

tba

License

Copyright (c) 2022 whamer100
This project is MIT licensed.

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hey is this project name just one big ligma joke

maybe