Captcha Verification with Python (meant for discord bots)

import discord
from discord.ext import commands
import random
from PIL import Image, ImageDraw, ImageFont
import os
import asyncio
import datetime
import string


class Verification(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

    @commands.command()
    async def verify(self, ctx):
        verified_role = ctx.guild.get_role(695328817157373992)
        log_channel = ctx.guild.get_channel(745904248461590549)
        verification_channel = ctx.guild.get_channel(745331129535561758)

        if ctx.author in verified_role.members:
            return await ctx.send("You are already verified!")
        else:
            pass
        if ctx.channel != verification_channel:
            return await ctx.send(
                "Please go to verify in <@#745331129535561758>, and if you need assistance, you should first read over <@#713020247543906368>!")
        else:
            pass

        getit = lambda: (random.randrange(5, 295), random.randrange(5, 95))

        color = (200, 200, 200)
        shadow_color = (0, 0, 0)

        line_color = (50, 50, 50)

        def random_string():
            N = 8
            s = string.ascii_uppercase + string.ascii_lowercase + string.digits
            random_string = ''.join(random.choices(s, k=N))
            return random_string

        captcha_str = random_string()
        file_name = f"{ctx.message.id}.png"

        img = Image.new('RGB', (300, 100), color=(95, 104, 222))
        draw = ImageDraw.Draw(img)

        text_color = color
        font = "langar.ttf"
        font_name = f'fonts/{font}'
        font = ImageFont.truetype(font=font_name, size=50)
        w, h = draw.textsize(captcha_str, font)
        draw.text(((300 - w) / 2 + 5, (100 - h) / 2 + 5), captcha_str, fill=shadow_color, font=font)
        draw.text(((300 - w) / 2, (100 - h) / 2), captcha_str, fill=text_color, font=font)

        for i in range(5, random.randrange(10, 20)):
            start = (0, (100 - random.randrange(0, 101)))
            end = (300, (100 - random.randrange(0, 101)))
            draw.line((start, end), fill=shadow_color, width=2)

        for i in range(50, random.randrange(100, 300)):
            draw.point((random.randrange(0, 300), random.randrange(0, 100)), fill=color)

        img.save(file_name)

        f = discord.File(file_name, filename=file_name)

        verif_embed = discord.Embed(
            title="**Welcome to Content Creators**",
            description="Please send the captcha code here, you have 5 minutes to do so.\n\nHello! You are required to complete a captcha before entering the server.\n\n*NOTE: This is **Case Sensitive***.\n\n**Why?**\nThis is to protect the server against targeted attacks using automated user accounts.\n\n**Your Captcha:**",
            timestamp=datetime.datetime.utcnow(),
            color=0x0064ff
        )

        verif_embed.set_image(url=f"attachment://{file_name}")

        await ctx.author.send(embed=verif_embed, file=f)

        def check_dm(m):
            if isinstance(m.channel, discord.DMChannel):
                if m.author == ctx.author:
                    return True
                else:
                    return False
            else:
                return False

        try:
            answer_message = await self.bot.wait_for('message', check=check_dm, timeout=300)
            answer = answer_message.content
            if answer == captcha_str:
                await ctx.author.send(
                    "You did the captcha correctly! Good job! You now have the verified role and full access to the server.")
                log_embed2 = discord.Embed(
                    title="**Verification Success**",
                    description=f"Verification for {ctx.author.mention}({ctx.author})",
                    color=0x00fa00,
                    timestamp=datetime.datetime.utcnow()
                )
                log_embed2.add_field(name="Looking for", value=f"{captcha_str}", inline=True)
                log_embed2.add_field(name="Given", value=f"{answer}", inline=True)
                await ctx.author.add_roles(verified_role)
                await log_channel.send(embed=log_embed2)
            elif answer != captcha_str:
                await ctx.author.send(
                    "You failed the captcha, please run the `>verify` command again in <#745331129535561758> and try again.")
                log_embed3 = discord.Embed(
                    title="**Verification Failed**",
                    description=f"Verification for {ctx.author.mention}({ctx.author})",
                    color=0xff0000,
                    timestamp=datetime.datetime.utcnow()
                )
                log_embed3.add_field(name="Looking for", value=f"{captcha_str}", inline=True)
                log_embed3.add_field(name="Given", value=f"{answer}", inline=True)
                log_embed3.add_field(name="Reason", value=f"Sent the wrong code!", inline=True)
                await log_channel.send(embed=log_embed3)
        except asyncio.TimeoutError:
            await ctx.author.send(
                "You ran out of time, please run the `>verify` command again in <#745331129535561758> and try again.")
            log_embed1 = discord.Embed(
                title="**Verification Failed**",
                description=f"Verification for {ctx.author.mention}({ctx.author})",
                color=0xff0000,
                timestamp=datetime.datetime.utcnow()
            )
            log_embed1.add_field(name="Looking for", value=f"{captcha_str}", inline=True)
            log_embed1.add_field(name="Reason", value=f"Ran out of time!", inline=True)
            await log_channel.send(embed=log_embed1)
        os.remove(file_name)


def setup(bot):
    bot.add_cog(Verification(bot))