def _split_media(url) -> []:
logger.info('开始文件分块')
split_step = config['SEGMENT']['MAX_SIZE'] * MB # 每个分段大小，单位是bytes
session = get_session()
session.headers.update({
'Range': 'bytes=0-10',
})
split_list = []
try:
r = session.get(url)
except Exception:
logger.warning('请求发送失败')
return split_list
if not r.headers['Content-Range']:
logger.warning('返回头不包含Content-Range字段')
return split_list
content_range = r.headers['Content-Range'].split('/')
content_range = int(content_range[1])
split_num = int(content_range / split_step)
if split_num == 0:
return [f'0-{content_range-1}']
for i in range(split_num):
split_list.append(f'{split_step*i}-{split_step*(i+1)-1}')
split_list.append(f'{split_step*split_num}-{content_range-1}')
return split_list
def tf_get_value(variables):
sess = get_session()
if isinstance(variables, list):
# Assume a list of variables
values = [var.eval(session=sess) for var in variables]
else:
values = variables.eval(session=sess)
return values
def get_media_thread(url, media_content_list, index, media_range):
logger.debug(f'子线程获取分段视频数据，index: {index}，media_range: {media_range}')
start_time = time.time()
session = get_session()
session.headers.update({'Range': f'bytes={media_range}'})
try:
r = session.get(url)
except Exception as e:
logger.warning(f'子线程下载分段视频失败，ERROR：{repr(e)}')
return
if r.status_code != 206:
logger.warning(f'子线程分段视频获取错误，HTTP CODE：{r.status_code}')
return
media_content_list[index] = r
logger.info(f'子线程分段视频下载成功，index: {index}用时：{time.time()-start_time}')
def tf_set_value(variables, values, sess=None):
if sess is None:
sess = get_session()
if isinstance(variables, list):
assert isinstance(
values,
list), "If 'variables' is a list, 'values' should also be a list"
assert len(values) == len(variables), 'Invalid lengths'
assign_ops = []
for i, value in enumerate(values):
assign_ops.append(variables[i].assign(value))
sess.run(assign_ops)
else: # assume a single variable
# assert isinstance(variables, tf.Variable), (
# "'variables' should be either a 'tf.Variable' or a list of 'tf.Variables'"
# )
assign_op = variables.assign(values)
sess.run(assign_op)
return sess
def __init__(self, uid):
logger.info('初始化User')
self._uid = uid
self._get_local_data()
self._session = get_session()
self._up_name = mid2name(uid)
#Import our configuration functions from models import Film from config import get_session #Get instances for working with DB session = get_session() #***********************Working with db******************** #Update spcify row v1 film = session.query(Film).filter(Film.id == 3).one() session.delete(film) session.commit() #Update spcify row v2 films = Film.__table__.delete().where(Film.id.in_([2, 4, 5])) session.execute(films) session.commit()
def db(self):
if 'db' not in g:
g.db = get_session()
return g.db
