Script can grab official Twitch emotes and BTTV emotes.

.gitignore

@@ -0,0 +1,6 @@
+out/**
+.api_token*
+.vscode
+Pipfile.lock
+**/__pycache__/**
+**.pyc

twitchify-slack.py

@@ -1,55 +1,122 @@
 #!/usr/bin/python3
-import json
-import requests
-import slack
 from os import mkdir, environ
 from os.path import exists
+import requests
+import slack
+import json
 
-emote_api_link = 'https://api.twitchemotes.com/api/v4/channels/0'
-emote_file_tmpl = 'https://static-cdn.jtvnw.net/emoticons/v1/'
+# Twitch emote api link for emote metadata
+twitch_emote_api_link = 'https://api.twitchemotes.com/api/v4/channels/0'
+# Twitch emote link for emote images
+twitch_emote_file_tmpl = 'https://static-cdn.jtvnw.net/emoticons/v1/'
+
+# BTTV emote api link for emote metadata
+bttv_emote_api_link = 'https://api.betterttv.net/2/emotes'
+# BTTV emote link for emote images
+bttv_emote_file_tmpl = 'https://cdn.betterttv.net/emote/'
 
 
 def grab_id(n):
+    """Map function to extract the id and code from each dictionary entry
+
+    Arguments:
+        n {int} -- Current dictionary object
+
+    Returns:
+        arr -- Array containing the id and code
+    """
     return [f'{n["id"]}', f'{n["code"]}']
 
 
-def request_twitch_emote_ids():
-    headers = {
-        'accept': 'application/vnd.twitchtv.v5+json',
-        'Client-ID': 'x9pe1nhx03034xssm1kcla36unubrc'
-    }
-    req = requests.get(emote_api_link, headers=headers)
-    req_dict = json.loads(req.content)
-    req.close()
+def request_twitch_emote_ids(service):
+    """Send the request for a json of the Twitch emote metadata
+    
+    Arguments:
+        service {str} -- String containing either "Twitch" or "BTTV" to determine which code to use
+    
+    Returns:
+        list -- List iterable of the ids and codes for the emotes returned by the request json
+    """
+
+    req_dict = {}
+
+    if(service.lower() == 'twitch'):
+        headers = {
+            'accept': 'application/vnd.twitchtv.v5+json',
+            'Client-ID': 'x9pe1nhx03034xssm1kcla36unubrc'
+        }
+        req = requests.get(twitch_emote_api_link, headers=headers)
+        req_dict = json.loads(req.content)
+        req.close()
+    elif(service.lower() == 'bttv'):
+        req = requests.get(bttv_emote_api_link)
+        req_dict = json.loads(req.content)
+        req.close()
+
     return list(map(grab_id, req_dict['emotes']))
 
 
 def save_twitch_emotes_metadata(dirpath, emote_array):
-    metadata_file = open(f'{dirpath}/emote_metadata.txt')
+    """Save the emote_array metadata to a text file to refer to later
+    
+    Arguments:
+        dirpath {str} -- String containing the directory path for output
+        emote_array {list} -- List iterable of the ids and code for the emotes returned by the original request json
+    """
+
+    if(not exists(f'{dirpath}/emote_metadata.txt')):
+        metadata_file = open(f'{dirpath}/emote_metadata.txt', 'w+')
+    else:
+        metadata_file = open(f'{dirpath}/emote_metadata.txt', 'a')
+
     for x in emote_array:
         metadata_file.write(f'id:{x[0]}\tcode:{x[1]}\n')
     metadata_file.close()
 
 
-def save_twitch_emotes_images(dirpath, emote_array):
+def save_twitch_emotes_images(service, dirpath, emote_array):
+    """Send a request for the emote images and save them locally to a specified directory
+    
+    Arguments:
+        service {str} -- String contianing either "Twitch" or "BTTV" to determine which code to use
+        dirpath {str} -- String containing the directory path for output
+        emote_array {list} -- List iterable of the ids and codes for the emotes returned by the original request json
+    """
+
     if(not exists(dirpath)):
         mkdir(dirpath)
 
-    for emote_index in emote_array:
-        headers = {
-            'accept': 'application/vnd.twitchtv.v5+json',
-            'Client-ID': 'x9pe1nhx03034xssm1kcla36unubrc'
-        }
-        req = requests.get(f'{emote_file_tmpl}{emote_index[0]}/1.0', headers=headers)
-        emote_file = open(f'{dirpath}/{emote_index[0]}.png', 'bw+')
-        emote_file.write(req.content)
-        emote_file.close()
+    if(service.lower() == 'twitch'):
+        for emote_index in emote_array:
+            if(not exists(f'{dirpath}/{emote_index[0]}.png')):
+                headers = {
+                    'accept': 'application/vnd.twitchtv.v5+json',
+                    'Client-ID': 'x9pe1nhx03034xssm1kcla36unubrc'
+                }
+                req = requests.get(
+                    f'{twitch_emote_file_tmpl}{emote_index[0]}/1.0', headers=headers)
+                emote_file = open(f'{dirpath}/{emote_index[0]}.png', 'bw+')
+                emote_file.write(req.content)
+                emote_file.close()
+    elif(service.lower() == 'bttv'):
+        for emote_index in emote_array:
+            if(not exists(f'{dirpath}/{emote_index[0]}.png')):
+                req = requests.get(
+                    f'{bttv_emote_file_tmpl}{emote_index[0]}/1x')
+                emote_file = open(f'{dirpath}/{emote_index[0]}.png', 'bw+')
+                emote_file.write(req.content)
+                emote_file.close()
 
 
 def main():
-    print("Hello, world!")
-    emotes_array = request_twitch_emote_ids()
-    save_twitch_emotes_images('out', emotes_array)
+    # Grab the Twitch official emotes
+    emotes_array = request_twitch_emote_ids('twitch')
+    save_twitch_emotes_images('twitch', 'out', emotes_array)
+    save_twitch_emotes_metadata('out', emotes_array)
+
+    # Grab the BTTV emotes
+    emotes_array = request_twitch_emote_ids('bttv')
+    save_twitch_emotes_images('bttv', 'out', emotes_array)
     save_twitch_emotes_metadata('out', emotes_array)