read response from successful spotify api post (create playlist) - python

sorry i think this is pretty basic but i've spent a while trying to find an answer and i can't work it out.
i'm using spotify api / spotipy to make a playlist, it works and the playlist is created, but i want to retrieve the playlist_id so i can then add tracks to it, but i can't work out how to get any response information from the api.
def make_playlist(name='python_play'):
user = sp.me()['id']
sp.user_playlist_create(user=user,name=name)
response = make_playlist()
pprint (response)
returns "None"
i thought i would call response.text or repsonse.contents or something like that but response is none-type and i can't call anything from it?
i've been happily retrieving info from the api and then using that info to populate a db via sqlalchemy, but i don't understand how to actually get a response when i create the playlist..
example of successful api calls for info/db population:
def get_artists(num=1):
'''takes num, retrieves num artists, returns list of dicts'''
if num <=50:
limit = num
else:
limit = 50
artist_list = []
after = 0
for offset in range(0, num, 50):
response = sp.current_user_followed_artists(limit=limit, after=after)
for artist in response['artists']['items']:
artist_name = artist['name']
artist_id = artist['id']
artist_dict={"artist name": artist_name,
"artist id": artist_id}
artist_list.append(artist_dict)
after = artist_id
return artist_list
def new_artist(artist_list):
'''takes list of artists, writes to db'''
session = Session()
artist_list = artist_list
for artist in artist_list:
new_artist = Artist(artist_name=artist['artist name'], artist_id=artist['artist id'])
session.merge(new_artist)
session.commit()
session.close()
def populate_artists(num=1000):
'''takes num_artists, calls get_artists, calls new_artist'''
artist_list = get_artists(num)
new_artist(artist_list)
return artist_list
artist_list = populate_artists(10)

i found a workaround to search for the playlist id by playlist name, but i'm sure there must be a way to simply have spotify return the id when i make the playlist?
def GetPlaylistID(playlist_name):
playlist_id = ''
playlists = sp.current_user_playlists()
for playlist in playlists['items']: # iterate through playlists I follow
if playlist['name'] == playlist_name: # filter for newly created playlist
playlist_id = playlist['id']
return playlist_id
def make_playlist(playlist_name='python_play'):
user = sp.me()['id']
sp.user_playlist_create(user=user,name=playlist_name)
playlist_id = GetPlaylistID(playlist_name)
return playlist_id

What #StayPerfect means is, you forgot to return the response of sp.user_playlist_create() in row 3:
def make_playlist(name='python_play'):
user = sp.me()['id']
return sp.user_playlist_create(user=user,name=name)
response = make_playlist()
pprint (response)

You aren't actually return anything from your make_plalist() function in the first place.

Related

Python how to return a list to other functions?

I have been trying to return the list so other functions can access it. But in all the other functions the variables become undefined. The command should be "return twitchClipLinks" right?
def api():
#API via twitch to get the top clips of Just Chatting
API_ENDPOINT = 'https://api.twitch.tv/kraken/clips/top?game=Just%20Chatting&period=day&trending=false&limit=6'
ID = 'REMOVED'
auth = 'application/vnd.twitchtv.v5+json'
head = {
'Client-ID' : ID,
'Accept' : auth
}
r = requests.get(url = API_ENDPOINT, headers = head)
twitchClipLinks = []
data = r.json()
for link in data['clips']:
store = str(link['url'])
twitchClipLinks.append(store)
return twitchClipLinks
Inside every function, you have to add something like this: twitchClipLinks = api() Or you can define twitchClipLinks as a global variable and remove the return statement from ur api() function.

Python: Capture the output of a REST API based DMS service post uploading document

I am trying to upload a file to a DMS via REST API. Each time I upload the file to DMS, an unique doc_id is generated which needs to be saved in DB.
I am trying out the following code for the first part i.e. upload.
def upload_sotr(filepath:str,file_name:str):
upload_url = 'dms_url_path'
f = open(os.path.join(filepath,file_name),'rb')
files = {"file":(os.path.join(filepath,file_name),f)}
resp = requests.post(url=url,files=files)
if resp.status_code==201:
print('Success!!')
##Want to get the doc_id as shown below and return the same
return 'Success!!'
else:
strg='Failure'
return strg
However, I am not able to capture the doc_id string from upload_url post uploading the doc. Typically, doc_id is returned as
{
doc_type: 'image',
doc_id: 'AAD3456Q77'
}
As indicated in the code, what trick I should do post print('Success!!') so that I get the doc_id?
Ok, I found the trick!!
I should use
data = resp.json()
doc_id = data['doc_id''
return doc_id
So the complete code would be:
def upload_sotr(filepath:str,file_name:str):
upload_url = 'dms_url_path'
f = open(os.path.join(filepath,file_name),'rb')
files = {"file":(os.path.join(filepath,file_name),f)}
resp = requests.post(url=url,files=files)
if resp.status_code==201:
data = resp.json()
doc_id = data['doc_id']
return doc_id
else:
strg='Failure'
return strg

How to query the balance of a TRC20 token for a given TRX address?

I'd like to get the balance of a TRC20 token (in this case the WIN token) for a Tron wallet address that owns WIN tokens.
I'm using the Python module tron-api-python and based on what i've read on GitHub and the docs the code for that should look something like this:
from tronapi import Tron
# Source for ABI: https://tronscan.org/#/token20/TLa2f6VPqDgRE67v1736s7bJ8Ray5wYjU7/code
contract_abi = '[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"value","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"value","type":"uint256"}],"name":"burnFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"account","type":"address"}],"name":"addMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renounceMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"account","type":"address"}],"name":"isMinter","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"name","type":"string"},{"name":"symbol","type":"string"},{"name":"decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"account","type":"address"}],"name":"MinterAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"account","type":"address"}],"name":"MinterRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]'
tron = Tron()
contract = tron.trx.contract("TLa2f6VPqDgRE67v1736s7bJ8Ray5wYjU7", abi=contract_abi)
balance = contract.functions.balanceOf("TXRZqGMEXsGTX6AQtcSgYknos93hqw18P7")
print(balance)
But the result i get is:
eth_abi.exceptions.NoEntriesFound: No matching entries for 'address' in encoder registry
You can use this API:
import requests
import json
def get_balance(address, token_symbol):
url = "https://apilist.tronscan.org/api/account"
payload = {
"address": address,
}
res = requests.get(url, params=payload)
trc20token_balances = json.loads(res.text)["trc20token_balances"]
token_balance = next((item for item in trc20token_balances if item["symbol"] == token_symbol), None)
if token_balance == None:
return 0
else:
return int(token_balance["balance"])
The previous response broadcasts a transaction to read a constant function; you don't need to do that if you're only going to read the balance.
Found it myself. This is not the code to get the balance but to send the WIN token so for this to return the balance the function_selector and the parameters would need to change but the rest should be fine since both is based on triggering a smart contract.
tron_kwargs = dict()
tron_kwargs["private_key"] = your_privkey
tron_kwargs["default_address"] = your_base58_address
tron = Tron(**tron_kwargs)
kwargs = dict()
kwargs["contract_address"] = tron.address.to_hex(wink_base58_contract_address)
kwargs["function_selector"] = "transfer(address,uint256)"
kwargs["fee_limit"] = 100000
kwargs["call_value"] = 0
kwargs["parameters"] = [
{
'type': 'address',
'value': tron.address.to_hex(recipients_base58_address)
},
{
'type': 'uint256',
'value': 8000000
}
]
raw_tx = tron.transaction_builder.trigger_smart_contract(**kwargs)
sign = tron.trx.sign(raw_tx["transaction"])
result = tron.trx.broadcast(sign)

Python PRAW Wrapper, Logic Problems

What I'm aiming to do is to get the top submission from Reddit, append it to an array and then get the second top submission, third, fourth, etc. I'm using place_holder to get the next submission, which works the first time but then just loops through getting the same, second, submission over and over again.
The current output is
Post 1
Post 2
Post 2
etc
When I want the output to be
Post 1
Post 2
Post 3
Post 4
etc
Here's my code:
import praw, time
r = praw.Reddit(user_agent='ADNPost')
already_done = []
while True:
for submission in r.get_top(limit=1):
id = submission.id
title = submission.title
url = submission.short_link
save_state = (id)
if id not in already_done:
already_done.append(submission.id)
post = title + " | " + url
print post
print save_state
if id in already_done:
for submission in r.get_front_page(limit=1, place_holder=submission.id):
id = submission.id
title = submission.title
url = submission.short_link
print title, url
save_state = (id)
already_done.append(submission.id)
time.sleep(2)
you forgot a time.sleep to comply with reddit policy
I replaced already_done with a set for efficiency
the basic idea is to getting new submission while the submission was already done
import praw, time
r = praw.Reddit(user_agent='ADNPost')
already_done = set()
while True:
l = r.get_top(limit=1)
submission = next(l,None)
if not submission:
continue
while submission.id in already_done:
submission=next(r.get_front_page(limit=1, params={'after':submission.fullname}),None)
if not submission:
break
if submission:
id = submission.id
title = submission.title
url = submission.short_link
print (title, url)
save_state = (id)
already_done.add(submission.id)
time.sleep(2)
EDIT: tested the place_holder is not what you want (the "t3_" is a constant which looks working
EDIT 2: replaced "t3_"+submission.id by submission.fullname according to #bboe proposition

Is There Any Way To Check if a Twitch Stream Is Live Using Python?

I'm just wondering if there is any way to write a python script to check to see if a twitch.tv stream is live?
I'm not sure why my app engine tag was removed, but this would be using app engine.
Since all answers are actually outdated as of 2020-05-02, i'll give it a shot. You now are required to register a developer application (I believe), and now you must use an endpoint that requires a user-id instead of a username (as they can change).
See https://dev.twitch.tv/docs/v5/reference/users
and https://dev.twitch.tv/docs/v5/reference/streams
First you'll need to Register an application
From that you'll need to get your Client-ID.
The one in this example is not a real
TWITCH_STREAM_API_ENDPOINT_V5 = "https://api.twitch.tv/kraken/streams/{}"
API_HEADERS = {
'Client-ID' : 'tqanfnani3tygk9a9esl8conhnaz6wj',
'Accept' : 'application/vnd.twitchtv.v5+json',
}
reqSession = requests.Session()
def checkUser(userID): #returns true if online, false if not
url = TWITCH_STREAM_API_ENDPOINT_V5.format(userID)
try:
req = reqSession.get(url, headers=API_HEADERS)
jsondata = req.json()
if 'stream' in jsondata:
if jsondata['stream'] is not None: #stream is online
return True
else:
return False
except Exception as e:
print("Error checking user: ", e)
return False
I hated having to go through the process of making an api key and all those things just to check if a channel was live, so i tried to find a workaround:
As of june 2021 if you send a http get request to a url like https://www.twitch.tv/CHANNEL_NAME, in the response there will be a "isLiveBroadcast": true if the stream is live, and if the stream is not live, there will be nothing like that.
So i wrote this code as an example in nodejs:
const fetch = require('node-fetch');
const channelName = '39daph';
async function main(){
let a = await fetch(`https://www.twitch.tv/${channelName}`);
if( (await a.text()).includes('isLiveBroadcast') )
console.log(`${channelName} is live`);
else
console.log(`${channelName} is not live`);
}
main();
here is also an example in python:
import requests
channelName = '39daph'
contents = requests.get('https://www.twitch.tv/' +channelName).content.decode('utf-8')
if 'isLiveBroadcast' in contents:
print(channelName + ' is live')
else:
print(channelName + ' is not live')
It looks like Twitch provides an API (documentation here) that provides a way to get that info. A very simple example of getting the feed would be:
import urllib2
url = 'http://api.justin.tv/api/stream/list.json?channel=FollowGrubby'
contents = urllib2.urlopen(url)
print contents.read()
This will dump all of the info, which you can then parse with a JSON library (XML looks to be available too). Looks like the value returns empty if the stream isn't live (haven't tested this much at all, nor have I read anything :) ). Hope this helps!
RocketDonkey's fine answer seems to be outdated by now, so I'm posting an updated answer for people like me who stumble across this SO-question with google.
You can check the status of the user EXAMPLEUSER by parsing
https://api.twitch.tv/kraken/streams/EXAMPLEUSER
The entry "stream":null will tell you that the user if offline, if that user exists.
Here is a small Python script which you can use on the commandline that will print 0 for user online, 1 for user offline and 2 for user not found.
#!/usr/bin/env python3
# checks whether a twitch.tv userstream is live
import argparse
from urllib.request import urlopen
from urllib.error import URLError
import json
def parse_args():
""" parses commandline, returns args namespace object """
desc = ('Check online status of twitch.tv user.\n'
'Exit prints are 0: online, 1: offline, 2: not found, 3: error.')
parser = argparse.ArgumentParser(description = desc,
formatter_class = argparse.RawTextHelpFormatter)
parser.add_argument('USER', nargs = 1, help = 'twitch.tv username')
args = parser.parse_args()
return args
def check_user(user):
""" returns 0: online, 1: offline, 2: not found, 3: error """
url = 'https://api.twitch.tv/kraken/streams/' + user
try:
info = json.loads(urlopen(url, timeout = 15).read().decode('utf-8'))
if info['stream'] == None:
status = 1
else:
status = 0
except URLError as e:
if e.reason == 'Not Found' or e.reason == 'Unprocessable Entity':
status = 2
else:
status = 3
return status
# main
try:
user = parse_args().USER[0]
print(check_user(user))
except KeyboardInterrupt:
pass
Here is a more up to date answer using the latest version of the Twitch API (helix). (kraken is deprecated and you shouldn't use GQL since it's not documented for third party use).
It works but you should store the token and reuse the token rather than generate a new token every time you run the script.
import requests
client_id = ''
client_secret = ''
streamer_name = ''
body = {
'client_id': client_id,
'client_secret': client_secret,
"grant_type": 'client_credentials'
}
r = requests.post('https://id.twitch.tv/oauth2/token', body)
#data output
keys = r.json();
print(keys)
headers = {
'Client-ID': client_id,
'Authorization': 'Bearer ' + keys['access_token']
}
print(headers)
stream = requests.get('https://api.twitch.tv/helix/streams?user_login=' + streamer_name, headers=headers)
stream_data = stream.json();
print(stream_data);
if len(stream_data['data']) == 1:
print(streamer_name + ' is live: ' + stream_data['data'][0]['title'] + ' playing ' + stream_data['data'][0]['game_name']);
else:
print(streamer_name + ' is not live');
📚 Explanation
Now, the Twitch API v5 is deprecated. The helix API is in place, where an OAuth Authorization Bearer AND client-id is needed. This is pretty annoying, so I went on a search for a viable workaround, and found one.
🌎 GraphQL
When inspecting Twitch's network requests, while not being logged in, I found out the anonymous API relies on GraphQL. GraphQL is a query language for APIs.
query {
user(login: "USERNAME") {
stream {
id
}
}
}
In the graphql query above, we are querying a user by their login name. If they are streaming, the stream's id will be given. If not, None will be returned.
🐍 The Final Code
The finished python code, in a function, is below. The client-id is taken from Twitch's website. Twitch uses the client-id to fetch information for anonymous users. It will always work, without the need of getting your own client-id.
import requests
# ...
def checkIfUserIsStreaming(username):
url = "https://gql.twitch.tv/gql"
query = "query {\n user(login: \""+username+"\") {\n stream {\n id\n }\n }\n}"
return True if requests.request("POST", url, json={"query": query, "variables": {}}, headers={"client-id": "kimne78kx3ncx6brgo4mv6wki5h1ko"}).json()["data"]["user"]["stream"] else False
I've created a website where you can play with Twitch's GraphQL API. Refer to the GraphQL Docs for help on GraphQL syntax! There's also Twitch GraphQL API documentation on my playground.
Use the twitch api with your client_id as a parameter, then parse the json:
https://api.twitch.tv/kraken/streams/massansc?client_id=XXXXXXX
Twitch Client Id is explained here: https://dev.twitch.tv/docs#client-id,
you need to register a developer application: https://www.twitch.tv/kraken/oauth2/clients/new
Example:
import requests
import json
def is_live_stream(streamer_name, client_id):
twitch_api_stream_url = "https://api.twitch.tv/kraken/streams/" \
+ streamer_name + "?client_id=" + client_id
streamer_html = requests.get(twitch_api_stream_url)
streamer = json.loads(streamer_html.content)
return streamer["stream"] is not None
I'll try to shoot my shot, just in case someone still needs an answer to this, so here it goes
import requests
import time
from twitchAPI.twitch import Twitch
client_id = ""
client_secret = ""
twitch = Twitch(client_id, client_secret)
twitch.authenticate_app([])
TWITCH_STREAM_API_ENDPOINT_V5 = "https://api.twitch.tv/kraken/streams/{}"
API_HEADERS = {
'Client-ID' : client_id,
'Accept' : 'application/vnd.twitchtv.v5+json',
}
def checkUser(user): #returns true if online, false if not
userid = twitch.get_users(logins=[user])['data'][0]['id']
url = TWITCH_STREAM_API_ENDPOINT_V5.format(userid)
try:
req = requests.Session().get(url, headers=API_HEADERS)
jsondata = req.json()
if 'stream' in jsondata:
if jsondata['stream'] is not None:
return True
else:
return False
except Exception as e:
print("Error checking user: ", e)
return False
print(checkUser('michaelreeves'))
https://dev.twitch.tv/docs/api/reference#get-streams
import requests
# ================================================================
# your twitch client id
client_id = ''
# your twitch secret
client_secret = ''
# twitch username you want to check if it is streaming online
twitch_user = ''
# ================================================================
#getting auth token
url = 'https://id.twitch.tv/oauth2/token'
params = {
'client_id':client_id,
'client_secret':client_secret,
'grant_type':'client_credentials'}
req = requests.post(url=url,params=params)
token = req.json()['access_token']
print(f'{token=}')
# ================================================================
#getting user data (user id for example)
url = f'https://api.twitch.tv/helix/users?login={twitch_user}'
headers = {
'Authorization':f'Bearer {token}',
'Client-Id':f'{client_id}'}
req = requests.get(url=url,headers=headers)
userdata = req.json()
userid = userdata['data'][0]['id']
print(f'{userid=}')
# ================================================================
#getting stream info (by user id for example)
url = f'https://api.twitch.tv/helix/streams?user_id={userid}'
headers = {
'Authorization':f'Bearer {token}',
'Client-Id':f'{client_id}'}
req = requests.get(url=url,headers=headers)
streaminfo = req.json()
print(f'{streaminfo=}')
# ================================================================
This solution doesn't require registering an application
import requests
HEADERS = { 'client-id' : 'kimne78kx3ncx6brgo4mv6wki5h1ko' }
GQL_QUERY = """
query($login: String) {
user(login: $login) {
stream {
id
}
}
}
"""
def isLive(username):
QUERY = {
'query': GQL_QUERY,
'variables': {
'login': username
}
}
response = requests.post('https://gql.twitch.tv/gql',
json=QUERY, headers=HEADERS)
dict_response = response.json()
return True if dict_response['data']['user']['stream'] is not None else False
if __name__ == '__main__':
USERS = ['forsen', 'offineandy', 'dyrus']
for user in USERS:
IS_LIVE = isLive(user)
print(f'User {user} live: {IS_LIVE}')
Yes.
You can use Twitch API call https://api.twitch.tv/kraken/streams/YOUR_CHANNEL_NAME and parse result to check if it's live.
The below function returns a streamID if the channel is live, else returns -1.
import urllib2, json, sys
TwitchChannel = 'A_Channel_Name'
def IsTwitchLive(): # return the stream Id is streaming else returns -1
url = str('https://api.twitch.tv/kraken/streams/'+TwitchChannel)
streamID = -1
respose = urllib2.urlopen(url)
html = respose.read()
data = json.loads(html)
try:
streamID = data['stream']['_id']
except:
streamID = -1
return int(streamID)

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