# memory manager to prevent redundant calls to files and save up disk usage
# may cause massive ram usage if we input too many pck at once, fix required
import os
import mmap

class Allocator:
	def __init__(self):
		self.files = {}

	def load_file(self, path):
		filename = os.path.basename(path)
		with open(path, "r+b") as f:
			mmap_object = mmap.mmap(f.fileno(), 0)

		self.files[filename] = mmap_object,


	def read_at(self, file, offset, size):
		data = self.files[file][offset:offset+size]
		return data

	def free_mem(self):
		for file in list(self.files.keys()):
			self.files[file].close()
		self.files.clear()