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bc.py
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bc.py
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import json
import re
import requests
from requests.exceptions import ConnectionError
from bs4 import BeautifulSoup
from pprint import pprint
import math
import time
import random
class Item:
def __init__(self,itemData,url):
self.downloadUrl = url
self.handleData(itemData)
self.handleDownloads()
def __str__(self):
return "%s [%s]" % (self.itemTitle,self.itemType)
def __repr__(self):
return "%s [%s]" % (self.itemTitle,self.itemType)
def handleData(self,itemData):
self.itemType = itemData["item_type"].capitalize()
self.bandName = itemData["band_name"]
self.itemTitle = itemData["item_title"]
self.saleId = itemData["sale_item_id"]
self.albumUrl = "https://f4.bcbits.com/img/a%s_9.jpg" % itemData["item_art_id"]
def handleDownloads(self):
downloadPage = requests.get(self.downloadUrl)
self.cookies = downloadPage.cookies
downloadSoup = BeautifulSoup(downloadPage.text,'html.parser')
for script in downloadSoup.find_all("script"):
script = script.text.splitlines()
if("var DownloadData = {" in script):
start = script.index("var DownloadData = {")
end = start+14
downloadData = "".join(script[start+1])
downloadData= json.loads(downloadData[12:-2])
self.downloads = {}
for itemFormat,data in downloadData["downloads"].items():
url= data["url"].replace("download","statdownload") + "&.rand=%d&.vrs=1" % ( math.floor( random.random() * time.time() * 1000))
self.downloads[itemFormat] = url
break
def getDownload(self,itemFormat="mp3-320"):
return self.downloads[itemFormat]
def fixDownload(self):
milis = time.time() * 1000
rand = int(math.floor(random.random() * milis))
class SongCollection:
def __init__(self,username,password):
self.collection = {}
self.username = username
postData = {
"user.name":username,
"login.password": password
}
self.tryLogin(postData)
def __str__(self):
title = "%s's Collection\n" % self.username
for artist,songs in sorted(self.collection.items()):
title += "\t%s: \n" % artist
for song in songs:
title+= "\t\t%s\n" % (song)
return title
def tryLogin(self,postData):
try:
loginUrl = "https://bandcamp.com/login_cb"
loginResponse = requests.post(loginUrl,postData)
loginData = loginResponse.json()
if("errors" in loginData.keys() ):
if(loginData["errors"][0]["field"] == 'login.password'):
raise LoginError("Incorrect Password")
elif(loginData["errors"][0]["field"] == 'user.name'):
raise LoginError("Incorrect Username")
else:
print(loginData["errors"])
raise Exception("Unhandled Exception")
elif("ok" in loginData.keys()):
self.handleCollectionPage(loginResponse)
except ConnectionError as e:
print("Connection Failed")
except LoginError as e:
print(e)
def handleCollectionPage(self,loginResponse):
userUrl = loginResponse.json()["next_url"]
cookies = loginResponse.cookies
collectionPage = requests.get(userUrl,cookies=cookies)
collectionSoup = BeautifulSoup(collectionPage.text,'html.parser')
for script in collectionSoup.find_all("script"):
script = script.text.splitlines()
if("var CollectionData = {" in script):
start = script.index("var CollectionData = {")
itemDetails = script[start+1].replace("item_details: ","")
regex = '"(?P<id>\d*)":(?P<json>{.*?{.*?}.*?})'
matches = re.findall(regex,itemDetails)
urls = script[start+2].replace("redownload_urls: ","")
urls = json.loads(urls)
for itemId,itemData in matches:
itemData = json.loads(itemData)
i = Item(itemData,urls["p%s" % itemData["sale_item_id"]] )
if( i.bandName in self.collection.keys() ):
self.collection[i.bandName].append(i)
else:
self.collection[i.bandName] = [i]
break
def downloadItem(self,item):
# Prepared
# response = requests.get(url)
# if response(parsed)["result"] == "ok"
# response = requests.get(url)
# response(parsed) ["download_url"] <---- Download
# else: errorType: ExpirationError
response = requests.get(item.getDownload(),allow_redirects=False)
class LoginError(Exception):
def __init__(self,value):
self.value = value
def __str__(self):
return repr(self.value)
if __name__ == '__main__':
# u = input("username")
# p = input("password")
with open("login.txt",'r') as f:
username,password = f.readlines()
username = username.strip()
SongCollection(username,password)