我正在使用Vimeo's API为我的应用的用户上传视频，或用新的视频替换他们现有的视频。我正在使用Vimeo客户端来帮助我在Django应用程序中进行调用。上传工作没有任何问题，但当我尝试用新的视频替换现有视频时，缩略图保留为旧视频。如果你播放视频，它将播放新视频，但缩略图永远不会改变。
上传/替换的模型方法
def vimeo_upload(self):
media_file = self.video_file
if media_file and os.path.exists(media_file.path):
v = vimeo.VimeoClient(token=settings.VIMEO_ACCESS_TOKEN, key=settings.VIMEO_API_KEY,
secret=settings.VIMEO_API_SECRET)
if self.video_url is None:
try:
video_uri = v.upload(media_file.path)
except AssertionError as exc:
logging.error('Vimeo Error: %s Video: %s' % (exc, media_file.path))
else:
self.video_url = video_uri
else:
try:
v.replace(video_uri=self.video_url, filename=media_file.path)
except Exception as exc:
self.video_url = None
logging.error('Vimeo Replace Error: %s Video: %s' % (exc, media_file.path))
# set the video title, description, etc.
if self.video_url:
try:
# convert locale from en-us form to en
v.patch(self.video_url, data={'description': self.customer.full_name, })
except Exception as exc:
logging.error('Vimeo Patch Error: %s Video: %s' % (exc, media_file.path))
Vimeo客户端模型和UploadVideoMixin
class UploadVideoMixin(object):
"""Handle uploading a new video to the Vimeo API."""
UPLOAD_ENDPOINT = '/me/videos'
REPLACE_ENDPOINT = '{video_uri}/files'
def upload(self, filename, upgrade_to_1080=False):
"""Upload the named file to Vimeo."""
ticket = self.post(
self.UPLOAD_ENDPOINT,
data={'type': 'streaming',
'upgrade_to_1080': 'true' if upgrade_to_1080 else 'false'},
params={'fields': 'upload_link,complete_uri'})
return self._perform_upload(filename, ticket)
def replace(self, video_uri, filename, upgrade_to_1080=False):
"""Replace the video at the given uri with the named source file."""
uri = self.REPLACE_ENDPOINT.format(video_uri=video_uri)
ticket = self.put(
uri,
data={'type': 'streaming',
'upgrade_to_1080': 'true' if upgrade_to_1080 else 'false'},
params={'fields': 'upload_link,complete_uri'})
return self._perform_upload(filename, ticket)
def _perform_upload(self, filename, ticket):
"""Take an upload ticket and perform the actual upload."""
if ticket.status_code != 201:
raise UploadTicketCreationFailure(ticket, "Failed to create an upload ticket")
ticket = ticket.json()
# Perform the actual upload.
target = ticket['upload_link']
last_byte = 0
# Try to get size of obj by path. If provided obj is not a file path
# find the size of file-like object.
try:
size = os.path.getsize(filename)
with io.open(filename, 'rb') as f:
while last_byte < size:
try:
self._make_pass(target, f, size, last_byte)
except requests.exceptions.Timeout:
# If there is a timeout here, we are okay with it, since
# we'll check and resume.
pass
last_byte = self._get_progress(target, size)
except TypeError:
size = len(filename.read())
f = filename
while last_byte < size:
try:
self._make_pass(target, f, size, last_byte)
except requests.exceptions.Timeout:
# If there is a timeout here, we are okay with it, since
# we'll check and resume.
pass
last_byte = self._get_progress(target, size)
# Perform the finalization and get the location.
finalized_resp = self.delete(ticket['complete_uri'])
if finalized_resp.status_code != 201:
raise VideoCreationFailure(finalized_resp, "Failed to create the video")
return finalized_resp.headers.get('Location', None)
def _get_progress(self, upload_target, filesize):
"""Test the completeness of the upload."""
progress_response = self.put(
upload_target,
headers={'Content-Range': 'bytes */*'})
range_recv = progress_response.headers.get('Range', None)
_, last_byte = range_recv.split('-')
return int(last_byte)
def _make_pass(self, upload_target, f, size, last_byte):
"""Make a pass at uploading.
This particular function may do many things. If this is a large upload
it may terminate without having completed the upload. This can also
occur if there are network issues or any other interruptions. These
can be recovered from by checking with the server to see how much it
has and resuming the connection.
"""
response = self.put(
upload_target,
timeout=None,
headers={
'Content-Length': str(size),
'Content-Range': 'bytes: %d-%d/%d' % (last_byte, size, size)
}, data=f)
if response.status_code != 200:
raise VideoUploadFailure(response, "Unexpected status code on upload")
class VimeoClient(ClientCredentialsMixin, AuthorizationCodeMixin, UploadMixin):
"""Client handle for the Vimeo API."""
API_ROOT = "https://api.vimeo.com"
HTTP_METHODS = set(('head', 'get', 'post', 'put', 'patch', 'options', 'delete'))
ACCEPT_HEADER = "application/vnd.vimeo.*;version=3.2"
USER_AGENT = "pyvimeo 0.3.10; (http://developer.vimeo.com/api/docs)"
def __init__(self, token=None, key=None, secret=None, *args, **kwargs):
"""Prep the handle with the authentication information."""
self.token = token
self.app_info = (key, secret)
self._requests_methods = dict()
# Make sure we have enough info to be useful.
assert token is not None or (key is not None and secret is not None)
# Internally we back this with an auth mechanism for Requests.
@property
def token(self):
return self._token.token
@token.setter
def token(self, value):
self._token = _BearerToken(value) if value else None
def __getattr__(self, name):
"""This is where we get the function for the verb that was just
requested.
From here we can apply the authentication information we have.
"""
if name not in self.HTTP_METHODS:
raise AttributeError("%r is not an HTTP method" % name)
# Get the Requests based function to use to preserve their defaults.
request_func = getattr(requests, name, None)
if request_func is None:
raise AttributeError(
"%r could not be found in the backing lib" % name
)
@wraps(request_func)
def caller(url, jsonify=True, **kwargs):
"""Hand off the call to Requests."""
headers = kwargs.get('headers', dict())
headers['Accept'] = self.ACCEPT_HEADER
headers['User-Agent'] = self.USER_AGENT
if jsonify \
and 'data' in kwargs \
and isinstance(kwargs['data'], (dict, list)):
kwargs['data'] = json.dumps(kwargs['data'])
headers['Content-Type'] = 'application/json'
kwargs['timeout'] = kwargs.get('timeout', (1, 30))
kwargs['auth'] = kwargs.get('auth', self._token)
kwargs['headers'] = headers
if not url[:4] == "http":
url = self.API_ROOT + url
response = request_func(url, **kwargs)
if response.status_code == 429:
raise APIRateLimitExceededFailure(
response, 'Too many API requests'
)
return response
return caller
class _BearerToken(requests.auth.AuthBase):
"""Model the bearer token and apply it to the request."""
def __init__(self, token):
self.token = token
def __call__(self, request):
request.headers['Authorization'] = 'Bearer ' + self.token
return request