didier/functions/memes.py

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import os
import requests
from functions.database.memes import Meme
from functions.mock import mock
def generate(meme: Meme, fields):
"""
Main function that takes a Meme as input & generates an image.
"""
# If there's only one field, the user isn't required to use quotes
if meme.fields == 1:
fields = [" ".join(fields)]
fields = _applyMeme(meme, fields)
# List of fields to send to the API
boxes = [{"text": ""}, {"text": ""}, {"text": ""}, {"text": ""}]
# Add all fields required & ignore the excess ones
for i in range(len(fields)):
if i > 3:
break
boxes[i]["text"] = fields[i]
# Check server status
req = requests.get('https://api.imgflip.com/get_memes').json()
# Server is down
if not req["success"]:
return {"success": False, "message": "Er is een fout opgetreden."}
# Post meme
reply = _postMeme(meme, boxes)
# Adding a message parameter makes the code in the cog a lot cleaner
if not reply["success"]:
reply["message"] = "Error! Controleer of je de juiste syntax hebt gebruikt. Gebruik het commando " \
"\"memes\" voor een lijst aan geaccepteerde meme-namen."
else:
reply["message"] = reply["data"]["url"]
return reply
def _postMeme(meme: Meme, boxes):
"""
Performs API request to generate the meme
"""
caption = {
"template_id": meme.meme_id,
"username": os.getenv("IMGFLIPNAME"),
"password": os.getenv("IMGFLIPPASSWORD"),
"boxes[0][text]": boxes[0]["text"],
"boxes[1][text]": boxes[1]["text"],
"boxes[2][text]": boxes[2]["text"],
"boxes[3][text]": boxes[3]["text"]
}
# Send the POST to the API
memeReply = requests.post('https://api.imgflip.com/caption_image', caption).json()
return memeReply
def _applyMeme(meme: Meme, fields):
"""
Some memes are in a special format that only requires
a few words to be added, or needs the input to be changed.
This function handles all that.
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Links certain meme id's to functions that need to be applied first.
"""
memeDict = {
102156234: _mockingSpongebob,
91538330: _xXEverywhere,
252600902: _alwaysHasBeen
}
# Meme needs no special treatment
if meme.meme_id not in memeDict:
return fields
return memeDict[meme.meme_id](fields)
def _mockingSpongebob(fields):
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return list(map(mock, fields))
def _xXEverywhere(fields):
word = fields[0]
return ["{}".format(word), "{} everywhere".format(word)]
def _alwaysHasBeen(fields):
word = fields[0]
return ["Wait, it's all {}?".format(word), "Always has been"]