Discord minesweeper grid generator with emojis and spoiler tags

discordminesweeper.py

#!/bin/python3
import sys, random

emojis = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "regional_indicator_x"]
mine = -1

def gen_grid(size, mines):
    grid = [[0]*size for _ in range(size)]
    half = size // 2

    # generate mines randomly
    for _ in range(mines):
        y = random.randint(0, size-1)
        x = random.randint(0, size-1)
        grid[y][x] = mine
    
    # the position of the zero we're going to reveal
    zero_pos = (-1, -1)
    
    # go through the grid and count up neighboring mines
    for y, row in enumerate(grid):
        for x, cell in enumerate(row):
            if cell != mine:
                # for ±1 cell in each direction
                for j in range(-1, 2):
                    for i in range(-1, 2):
                        ny = y+j
                        nx = x+i
                        # out of bounds check
                        if ny >= 0 and nx >= 0 and ny < size and nx < size:
                            grid[y][x] += grid[ny][nx] == -1
            if grid[y][x] == 0:
                # save the zero position if it's closer than our previous one to the middle
                zy, zx = zero_pos
                if abs(y - half) + abs(x - half) < abs(zy - half) + abs(zx - half):
                    zero_pos = (y, x)

    # print out grid
    for y, row in enumerate(grid):
        for x, cell in enumerate(row):
            emoji = f":{emojis[cell]}:"
            if zero_pos != (y, x):
                # spoiler it, not our starting 0
                emoji = f"||{emoji}||"
            sys.stdout.write(emoji)
        print("")

# 8x8 with 10-ish mines
gen_grid(8, 10)