def scan(self, batch_size=None, scan_key=None):
params = self.dump()
if 'skip' in params:
raise LeanCloudError(1, 'Query.scan dose not support skip option')
if 'limit' in params:
raise LeanCloudError(1, 'Query.scan dose not support limit option')
return Cursor(self._query_class, batch_size, scan_key, params)
def _save_to_cos(self):
hex_octet = lambda: hex(int(0x10000 * (1 + random.random())))[-4:]
key = ''.join(hex_octet() for _ in range(4))
key = '{0}.{1}'.format(key, self.extension)
data = {
'name': self._name,
'key': key,
'ACL': self._acl,
'mime_type': self._type,
'metaData': self._metadata,
}
response = client.post('/fileTokens', data)
content = response.json()
self.id = content['objectId']
self._url = content['url']
uptoken = content['token']
headers = {
'Authorization': uptoken,
}
self._source.seek(0)
data = {
'op': 'upload',
'filecontent': self._source.read(),
}
response = requests.post(content['upload_url'],
headers=headers,
files=data)
self._source.seek(0)
info = response.json()
if info['code'] != 0:
raise LeanCloudError(
1, 'this file is not saved, qcloud cos status code: {}'.format(
info['code']))
def _save_to_qiniu(self):
import qiniu
output = BytesIO()
self._source.seek(0)
base64.encode(self._source, output)
self._source.seek(0)
output.seek(0)
hex_octet = lambda: hex(int(0x10000 * (1 + random.random())))[-4:]
key = ''.join(hex_octet() for _ in range_type(4))
key = '{0}.{1}'.format(key, self.extension)
data = {
'name': self._name,
'key': key,
'ACL': self._acl,
'mime_type': self._type,
'metaData': self._metadata,
}
response = client.post('/qiniu', data)
content = response.json()
self.id = content['objectId']
self._url = content['url']
uptoken = content['token']
ret, info = qiniu.put_data(uptoken, key, self._source)
if info.status_code != 200:
raise LeanCloudError(
1, 'the file is not saved, qiniu status code: {0}'.format(
info.status_code))
def _save_to_s3(self, token, upload_url):
self._source.seek(0)
response = requests.put(upload_url,
data=self._source,
headers={'Content-Type': self.mime_type})
if response.status_code != 200:
self._save_callback(token, False)
raise LeanCloudError(1, 'The file is not successfully saved to S3')
self._source.seek(0)
self._save_callback(token, True)
def _save_to_qiniu(self, token, key):
import qiniu
self._source.seek(0)
ret, info = qiniu.put_data(token, key, self._source)
self._source.seek(0)
if info.status_code != 200:
self._save_callback(token, False)
raise LeanCloudError(
1, 'the file is not saved, qiniu status code: {0}'.format(
info.status_code))
self._save_callback(token, True)
def get(self, object_id):
"""
根据 objectId 查询。
:param object_id: 要查询对象的 objectId
:return: 查询结果
:rtype: Object
"""
if not object_id:
raise LeanCloudError(code=101, error='Object not found.')
obj = self._query_class.create_without_data(object_id)
obj.fetch(select=self._select, include=self._include)
return obj
def save(self):
if self._source:
output = cStringIO.StringIO()
self._source.seek(0)
base64.encode(self._source, output)
self._source.seek(0)
output.seek(0)
hex_octet = lambda: hex(int(0x10000 * (1 + random.random())))[-4:]
key = ''.join(hex_octet() for _ in xrange(4))
key = '{0}.{1}'.format(key, self.extension)
data = {
'name': self._name,
'key': key,
'ACL': self._acl,
'mime_type': self._type,
'metaData': self._metadata,
}
response = client.post('/qiniu', data)
content = utils.response_to_json(response)
self.id = content['objectId']
self._url = content['url']
uptoken = content['token']
ret, info = qiniu.put_data(uptoken, key, self._source)
if info.status_code != 200:
raise LeanCloudError(
1, 'the file is not saved, qiniu status code: {0}'.format(
info.status_code))
elif self._url and self.metadata.get('__source') == 'external':
data = {
'name': self._name,
'ACL': self._acl,
'metaData': self._metadata,
'mime_type': self._type,
'url': self._url,
}
response = client.post('/files/{0}'.format(self._name), data)
content = utils.response_to_json(response)
self._name = content['name']
self._url = content['url']
self.id = content['objectId']
if 'size' in content:
self._metadata['size'] = content['size']
else:
raise ValueError
return self
def first(self):
"""
根据查询获取最多一个对象。
:return: 查询结果
:rtype: Object
:raise: LeanCloudError
"""
params = self.dump()
params['limit'] = 1
content = self._do_request(params)
results = content['results']
if not results:
raise LeanCloudError(101, 'Object not found')
obj = self._new_object()
obj._update_data(self._process_result(results[0]))
return obj
def _save_to_qcloud(self, token, upload_url):
headers = {
'Authorization': token,
}
self._source.seek(0)
data = {
'op': 'upload',
'filecontent': self._source.read(),
}
response = requests.post(upload_url, headers=headers, files=data)
self._source.seek(0)
info = response.json()
if info['code'] != 0:
self._save_callback(token, False)
raise LeanCloudError(
1, 'this file is not saved, qcloud cos status code: {}'.format(
info['code']))
self._save_callback(token, True)
def first(self):
"""
根据查询获取最多一个对象。
:return: 查询结果
:rtype: Object
:raise: LeanCloudError
"""
params = self.dump()
params['limit'] = 1
content = utils.response_to_json(
client.get('/classes/{0}'.format(self._query_class._class_name),
params))
results = content['results']
if not results:
raise LeanCloudError(101, 'Object not found')
obj = self._new_object()
obj._finish_fetch(self._process_result(results[0]), True)
return obj
def first(self):
"""
根据查询获取最多一个对象。
:return: 查询结果
:rtype: Object
:raise: LeanCloudError
"""
params = self.dump()
params['limit'] = 1
content = client.get(
'/classes/{0}'.format(self._query_class._class_name),
params).json()
results = content['results']
if not results:
raise LeanCloudError(101, 'Object not found')
obj = self._new_object()
obj._update_data(self._process_result(results[0]))
return obj
def _save_to_qiniu(self, token, key):
self._source.seek(0)
import qiniu
qiniu.set_default(connection_timeout=self.timeout)
if six.PY3:
# use patched put_data implementation for py3k
ret, info = self._save_to_qiniu_internal_py3(token, key)
else:
# use put_data implementation provided by qiniu-sdk
ret, info = qiniu.put_data(token, key, self._source)
self._source.seek(0)
if info.status_code != 200:
self._save_callback(token, False)
raise LeanCloudError(
1, 'the file is not saved, qiniu status code: {0}'.format(
info.status_code))
self._save_callback(token, True)
def _save_to_qcloud(self, token, upload_url):
headers = {
"Authorization": token,
}
self._source.seek(0)
data = {
"op": "upload",
"filecontent": self._source.read(),
}
response = requests.post(upload_url, headers=headers, files=data)
self._source.seek(0)
info = response.json()
if info["code"] != 0:
self._save_callback(token, False)
raise LeanCloudError(
1,
"this file is not saved, qcloud cos status code: {}".format(
info["code"]),
)
self._save_callback(token, True)
def destroy(self):
if not self.id:
return False
response = client.delete('/files/{0}'.format(self.id))
if response.status_code != 200:
raise LeanCloudError(1, "the file is not sucessfully destroyed")
def save(self, *args, **kwargs):
raise LeanCloudError(code=1,
error='Notification does not support modify')
