CodeMirror/Bonfire
1
0
Fork 0
mirror of synced 2024-05-20 20:42:27 +12:00
Code Issues Releases Wiki Activity

Update images to use file-like objects to not take up disk space

Browse source
This commit is contained in:
Phxntxm 2017-04-24 14:24:58 -05:00
parent e7133bc25f
commit 6704af7508
1 changed files with 15 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
cogs/utils/images.py
View file

@ -2,11 +2,12 @@ import aiohttp
import datetime
import os
from shutil import copyfile
from io import BytesIO
from PIL import Image, ImageDraw, ImageFont, ImageOps
from . import utilities
base_path = "images/banner/base"
tmp_path = "images/banner/tmp"
whitneyMedium = "/usr/share/fonts/whitney-medium.ttf"
whitneyBold = "/usr/share/fonts/whitney-bold.ttf"
header_height = 125
@ -14,6 +15,14 @@ canvas_height = 145
banner_background = "{}/bannerTop2.png".format(base_path)
banner_bot = "{}/bannerBot.png".format(base_path)
def convert_to_file(img):
"""Converts a Pillow image to a file-like object"""
new_file = BytesIO()
# Save to this file as jpeg
img.save(new_file, format='PNG')
# In order to use the file, we need to seek back to the 0th position
new_file.seek(0)
return new_file
async def create_banner(member, image_title, data):
"""Creates a banner based on the options passed
@ -23,23 +32,10 @@ async def create_banner(member, image_title, data):
data -> A dictionary that will be displayed, in the format 'Key: Value' like normal dictionaries"""
# First ensure the paths we need are created
os.makedirs(base_path, exist_ok=True)
os.makedirs(tmp_path, exist_ok=True)
offset = 125
# Open up the avatar, save it as a temporary file
avatar_url = member.avatar_url
avatar_path = "{}/avatar_{}_{}.jpg".format(tmp_path, member.id, int(datetime.datetime.utcnow().timestamp()))
# Ensure the user has an avatar
if avatar_url != "":
with aiohttp.ClientSession() as s:
async with s.get(avatar_url) as r:
val = await r.read()
with open(avatar_path, "wb") as f:
f.write(val)
# Otherwise use the default avatar
else:
avatar_src_path = "{}/default_avatar.png".format(base_path)
copyfile(avatar_src_path, avatar_path)
# Download the avatar
avatar = await utilities.download_image(member.avatar_url)
# Parse the data we need to create our image
username = (member.display_name[:23] + '...') if len(member.display_name) > 23 else member.display_name
@ -47,12 +43,11 @@ async def create_banner(member, image_title, data):
result_keys = [k for k, v in data]
result_values = [v for k, v in data]
lines_of_text = len(result_keys)
output_file = "{}/banner_{}_{}.jpg".format(tmp_path, member.id, int(datetime.datetime.utcnow().timestamp()))
base_height = canvas_height + (lines_of_text * 20)
# This is the background to the avatar
mask = Image.open('{}/mask.png'.format(base_path)).convert('L')
user_avatar = Image.open(avatar_path)
user_avatar = Image.open(avatar)
output = ImageOps.fit(user_avatar, mask.size, centering=(0.5, 0.5))
output.putalpha(mask)
@ -104,8 +99,6 @@ async def create_banner(member, image_title, data):
offset += 20
base_image.paste(save_me, (0, offset), save_me)
base_image.paste(header, (0, 0), header)
base_image.save(output_file)
output = convert_to_file(base_image)
os.remove(avatar_path)
return output_file
return output