Make MMap win32 compatible

[leonhma]

Use the system-agnostic access argument instead of the posix specific prot when initializing mmap.

Currently when trying to load a binary file, I get this error:

Traceback (most recent call last):
  File "C:\Users\leonh\AppData\Local\Programs\Python\Python310\lib\multiprocessing\process.py", line 314, in _bootstrap
    self.run()
  File "C:\Users\leonh\AppData\Local\Programs\Python\Python310\lib\multiprocessing\process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\leonh\Documents\akyth-documents-download\program2.py", line 39, in check_seen
    seen = probables.ExpandingBloomFilter(100_000_000, 0.001, "./seen.blm")
  File "C:\Users\leonh\Documents\pyprobables\probables\blooms\expandingbloom.py", line 61, in __init__
    self.__load(filepath)
  File "C:\Users\leonh\Documents\pyprobables\probables\blooms\expandingbloom.py", line 211, in __load
    with MMap(file) as filepointer:
  File "C:\Users\leonh\Documents\pyprobables\probables\utilities.py", line 45, in __init__
    self.__m = mmap.mmap(self.__f.fileno(), 0, prot=mmap.PROT_READ)

I tested this again using WSL and everything worked fine. In the end this comes down to the fact that the prot argument in the MMap init function is POSIX-specific, while access serves as a system-agnostic way of doing the same thing. I changed the init line and tested this change on both windows and and WSL and this error is gone.

Here's the relevant docs for MMap: link

Please merge ASAP as this breaks usage on windows.

[codecov-commenter]

Codecov Report

Merging #106 (666b583) into master (ee924a2) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #106   +/-   ##
=======================================
  Coverage   99.54%   99.54%           
=======================================
  Files          14       14           
  Lines        1528     1528           
=======================================
  Hits         1521     1521           
  Misses          7        7           

Impacted Files	Coverage Δ
probables/utilities.py	100.00% <100.00%> (ø)

[barrust]

This looks good and is a great catch. I do not have a windows machine to run tests on windows. I will merge this now and will likely be able to push a new version in the next day or so.

[barrust]

new version 0.5.8 is now out.