humblebundle-downloader/humblebundle_downloader/download_library.py
2020-01-19 09:25:00 -05:00

91 lines
4.4 KiB
Python

import os
import json
import parsel
import logging
import requests
logger = logging.getLogger(__name__)
def _clean_name(dirty_str):
allowed_chars = (' ', '_', '.', '-', ':', '[', ']')
return "".join([c for c in dirty_str.replace('+', '_') if c.isalpha() or c.isdigit() or c in allowed_chars]).strip()
def download_library(cookie_path, library_path, progress_bar=False):
# Load cookies
with open(cookie_path, 'r') as f:
account_cookies = f.read()
cache_file = os.path.join(library_path, '.cache.json')
try:
with open(cache_file, 'r') as f:
cache_data = json.load(f)
except FileNotFoundError:
cache_data = {}
library_r = requests.get('https://www.humblebundle.com/home/library',
headers={'cookie': account_cookies})
logger.debug(f"Library request: {library_r}")
library_page = parsel.Selector(text=library_r.text)
for order_id in json.loads(library_page.css('#user-home-json-data').xpath('string()').extract_first())['gamekeys']:
order_r = requests.get(f'https://www.humblebundle.com/api/v1/order/{order_id}?all_tpkds=true',
headers={'cookie': account_cookies})
logger.debug(f"Order request: {order_r}")
order = order_r.json()
bundle_title = _clean_name(order['product']['human_name'])
logger.info(f"Checking bundle: {bundle_title}")
for item in order['subproducts']:
item_title = _clean_name(item['human_name'])
# Get all types of download for a product
for download_type in item['downloads']:
# platform = download_type['platform'] # Type of product, ebook, videos, etc...
item_folder = os.path.join(library_path, bundle_title, item_title)
# Create directory to save the files to
try: os.makedirs(item_folder) # noqa: E701
except OSError: pass # noqa: E701
# Download each file type of a product
for file_type in download_type['download_struct']:
url = file_type['url']['web']
ext = url.split('?')[0].split('.')[-1]
filename = os.path.join(item_folder, f"{item_title}.{ext}")
item_r = requests.get(url, stream=True)
logger.debug(f"Item request: {item_r}, Url: {url}")
# Not sure which value will be best to use, so save them all for now
file_info = {
'md5': file_type['md5'],
'sha1': file_type['sha1'],
'url_last_modified': item_r.headers['Last-Modified'],
'url_etag': item_r.headers['ETag'][1:-1],
'url_crc': item_r.headers['X-HW-Cache-CRC'],
}
if file_info != cache_data.get(filename, {}):
if not progress_bar:
logger.info(f"Downloading: {item_title}.{ext}")
with open(filename, 'wb') as outfile:
total_length = item_r.headers.get('content-length')
if total_length is None: # no content length header
outfile.write(item_r.content)
else:
dl = 0
total_length = int(total_length)
for data in item_r.iter_content(chunk_size=4096):
dl += len(data)
outfile.write(data)
pb_width = 50
done = int(pb_width * dl / total_length)
if progress_bar: print(f"Downloading: {item_title}.{ext}: {int(done * (100 / pb_width))}% [{'=' * done}{' ' * (pb_width-done)}]", end='\r') # noqa: E501, E701
if progress_bar:
print() # print new line so next progress bar is on its own line
cache_data[filename] = file_info
# Update cache file with newest data so if the script quits it can keep track of the progress
with open(cache_file, 'w') as outfile:
json.dump(cache_data, outfile, sort_keys=True, indent=4)