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start_dl.py
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start_dl.py
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# -*- coding: utf-8 -*-
import os, sys, platform, time, re, json
import requests
from common import Headers, Proxies, QUEUE_PATH, RESOURCE_PATH
if platform.system() == 'Windows':
if platform.version() >= '10.0.14393':
os.system('')
else:
import colorama
colorama.init()
pinned = ''
def log(string, wrap = True):
if wrap == False:
sys.stdout.write('\r\033[K')
sys.stdout.write(string)
sys.stdout.flush()
else:
sys.stdout.write(string + '\n')
def quit(string):
log(string)
os.system('pause')
exit()
def show_status(status):
log('{} {}'.format(pinned, status), False)
def query_resource(talk_id):
url = 'https://api.kh.glastonr.net/v2/messages/{}'.format(int(talk_id))
try:
show_status('request resource')
response = requests.request(
'GET', url, headers = Headers(),
timeout = 5, proxies = Proxies()
)
body = json.loads(response.text)
resource_url = body['file']
show_status('get resource url')
return resource_url
except KeyboardInterrupt:
exit()
except:
return None
def download_file(url, path):
if os.path.exists(path):
show_status('file already exists')
return True
try:
show_status('start downloading')
response = requests.request(
'GET', url, headers = Headers(api = False),
timeout = 5, stream = True, proxies = Proxies()
)
except KeyboardInterrupt:
exit()
except:
return False
size = int(response.headers['Content-Length'].strip())
save = 0
file = open(path, 'wb')
try:
for chunk in response.iter_content(chunk_size = 512):
if chunk:
file.write(chunk)
save += len(chunk)
percent = int(float(save) / size * 100)
show_status('downloading...({}%)'.format(percent))
except KeyboardInterrupt:
file.close()
if os.path.exists(path): os.remove(path)
exit()
except:
file.close()
if os.path.exists(path): os.remove(path)
return False
else:
file.close()
return True
def file_sync(path, data):
file = open(path, 'w')
file.write(json.dumps(data, indent = 4, ensure_ascii = False))
file.close()
def format_check(queue):
talk_id_check = re.compile(r'^\d{10}$')
for item in queue:
if 'status' not in item or 'talk_id' not in item:
return False
if not talk_id_check.match(item['talk_id']):
return False
return True
try:
with open(QUEUE_PATH, 'r') as queue_file:
queue = json.loads(queue_file.read())
except:
quit('load queue with something wrong')
if not format_check(queue):
quit('incorrect queue format')
if not os.path.exists(RESOURCE_PATH):
os.mkdir(RESOURCE_PATH)
amount = len(queue)
for index, item in enumerate(queue):
if item['status'] != 0: continue
media_type = item['media_type']
# media_type = ['photo','audio','video'][item['content']['media_type'] - 1]
# member_dir = item['content']['author_name']
# member_dir = member_dir.encode(system_encodeing) if is_python2 else member_dir
# type_dir = ['写真','音声','動画'][item['content']['media_type'] - 1]
# type_dir = type_dir.encode(system_encodeing) if is_python2 else type_dir
# store_dir = os.path.join(resource_path,member_dir,type_dir)
# if not os.path.exists(store_dir): os.makedirs(store_dir)
pinned = '{}/{} {}'.format(str(index + 1).zfill(len(str(amount))), amount, media_type)
for retry in range(6):
if retry != 0: show_status('retry {} time(s)'.format(retry))
url = query_resource(item['talk_id'])
if url: break
if not url:
show_status('query failed')
log('')
continue
name = re.search(r'^\S+/(\S+?)\?\S+$', url).group(1)
path = os.path.join(RESOURCE_PATH, name)
# file_extension = os.path.splitext(file_name)[-1]
# file_name = '{} {} {}{}'.format(time.strftime('%Y%m%d %H%M%S',time.localtime(item['content']['time_stamp']/1000)),member_dir,type_dir,file_extension)
# file_path = os.path.join(store_dir,file_name)
for retry in range(6):
if retry != 0: show_status('retry {} time(s)'.format(retry))
success = download_file(url, path)
if success: break
if not success:
show_status('download failed')
else:
show_status('download successful')
queue[index]['status'] = 1
log('')
file_sync(QUEUE_PATH, queue)
quit('all done')