async def copy_file(self, bucket: str, key: str, to_bucket: str,
to_key: str, force: bool =False) -> None:
"""拷贝文件
:param bucket: 待拷贝文件空间名
:param key: 待拷贝文件名
:param to_bucket: 目标空间名
:param to_key: 目标文件名
:param force: force标记，bool类型，默认为False
:return: None
详见：https://developer.qiniu.com/kodo/api/1254/copy
"""
src_encoded_entry_uri = get_encoded_entry_uri(bucket, key)
dst_encoded_entry_uri = get_encoded_entry_uri(to_bucket, to_key)
path = "/copy/{}/{}/force/{}".format(
src_encoded_entry_uri, dst_encoded_entry_uri,
"true" if force else "false")
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "http://rs.qiniu.com" + path
async with self.httpclient.post(url, headers=headers) as resp:
await raise_for_error(resp)
async def move_file(self, bucket: str, key: str, to_bucket: str,
to_key: str, force=False) -> None:
"""移动文件
:param bucket: 待移动文件空间名
:param key: 待移动文件名
:param to_bucket: 目标空间名
:param to_key: 目标文件名
:param force: force标记，bool类型，默认为False
:return: None
详见：https://developer.qiniu.com/kodo/api/1288/move
"""
src_encoded_entry_uri = get_encoded_entry_uri(bucket, key)
dst_encoded_entry_uri = get_encoded_entry_uri(to_bucket, to_key)
path = "/move/{}/{}/force/{}".format(
src_encoded_entry_uri, dst_encoded_entry_uri,
"true" if force else "false")
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "http://rs.qiniu.com" + path
async with self._httpclient.post(url, headers=headers) as resp:
assert resp.status == 200, "HTTP {}".format(resp.status)
return
def _get_operation_string(self, code: str, *args) -> str:
assert code in self._opcode2arglen, "非法的操作码: {}".format(code)
assert len(args) in self._opcode2arglen[code], "操作参数错误"
if code in ("stat", "delete"):
return "op=/{}/{}".format(code, get_encoded_entry_uri(*args))
if code == "rename":
code = "move"
args = (*args[:2], args[0], *args[2:])
if code in ("move", "copy"):
src = get_encoded_entry_uri(args[0], args[1])
dst = get_encoded_entry_uri(args[2], args[3])
force = "true" if len(args) == 5 and args[4] else "false"
return "op=/{}/{}/{}/force/{}".format(code, src, dst, force)
async def delete_file(self, bucket: str, key: str) -> None:
"""删除文件
:param bucket: 待删除文件所在空间名
:param key: 待删除文件名
详见：https://developer.qiniu.com/kodo/api/1257/delete
"""
encoded_entry_uri = get_encoded_entry_uri(bucket, key)
path = "/delete/{}".format(encoded_entry_uri)
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "http://rs.qiniu.com" + path
async with self.httpclient.post(url, headers=headers) as resp:
await raise_for_error(resp)
async def delete_file_after_days(self, bucket: str, key: str,
days: int) -> None:
"""设置文件在指定天数后删除
:param bucket: 待设置文件所在空间名
:param key: 待设置文件名
:param days: 文件存活的天数，设置为0表示无限存活期
详见：https://developer.qiniu.com/kodo/api/1732/update-file-lifecycle
"""
encoded_entry_uri = get_encoded_entry_uri(bucket, key)
path = "/deleteAfterDays/{}/{}".format(encoded_entry_uri, days)
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "http://rs.qiniu.com" + path
async with self.httpclient.post(url, headers=headers) as resp:
await raise_for_error(resp)
async def change_file_mime(self, bucket: str, key: str, mime: str) -> None:
"""修改文件的MIME类型信息
:param bucket: 待操作资源所在空间名
:param key: 待操作资源文件名
:param mime: 待操作文件目标MIME类型信息
详见：https://developer.qiniu.com/kodo/api/1252/chgm
"""
encoded_entry_uri = get_encoded_entry_uri(bucket, key)
encoded_mime = urlsafe_b64encode(mime.encode()).decode()
path = "/chgm/{}/mime/{}".format(encoded_entry_uri, encoded_mime)
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "http://rs.qiniu.com" + path
async with self.httpclient.post(url, headers=headers) as resp:
await raise_for_error(resp)
async def prefetch(self, bucket: str, key: str) -> None:
"""镜像回源预取
对于设置了镜像存储的空间，从镜像源站抓取指定资源并存储到该空间中。
如果该空间中已存在同名资源，则会将镜像源站的资源覆盖空间中的同名资源。
:param bucket: 待获取资源的镜像空间名
:param key: 待获取资源文件名
详见：https://developer.qiniu.com/kodo/api/1293/prefetch
"""
encoded_entry_uri = get_encoded_entry_uri(bucket, key)
path = "/prefetch/{}".format(encoded_entry_uri)
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "https://iovip.qbox.me" + path
async with self.httpclient.post(url, headers=headers) as resp:
await raise_for_error(resp)
async def get_file_stat(self, bucket: str, key: str) -> dict:
"""查询文件信息
:param bucket: 待查询文件空间名
:param key: 待查询文件名
:return: 文件信息，包含hash，key，fsize和mimeType
详见：https://developer.qiniu.com/kodo/api/1308/stat
"""
encoded_entry_uri = get_encoded_entry_uri(bucket, key)
path = "/stat/{}".format(encoded_entry_uri)
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "http://rs.qiniu.com" + path
async with self._httpclient.get(url, headers=headers) as resp:
assert resp.status == 200, "HTTP {}".format(resp.status)
stat = await resp.json()
return stat
async def fetch(self, url: str, bucket: str, key=None) -> dict:
"""七牛云第三方资源抓取
:param url: 要抓取的URL
:param bucket: 目标资源空间名
:param key: 目标资源文件名，默认为空
:return: 爬取成功后的文件信息，包含hash，key，fsize和mimeType
详见：https://developer.qiniu.com/kodo/api/1263/fetch
"""
encoded_url = urlsafe_b64encode(url.encode()).decode()
encoded_entry_uri = get_encoded_entry_uri(bucket, key)
path = "/fetch/{}/to/{}".format(encoded_url, encoded_entry_uri)
access_token = self.get_access_token(path)
headers = {"Authorization": "QBox {}".format(access_token)}
url = "https://iovip.qbox.me" + path
async with self._httpclient.post(url, headers=headers) as resp:
assert resp.status == 200, "HTTP {}".format(resp.status)
ret = await resp.json()
return ret
def test_get_encoded_entry_uri():
for i in range(20):
bucket = ''.join(choice(ascii_letters) for i in range(10))
key = ''.join(choice(ascii_letters) for i in range(10))
assert aqutils.get_encoded_entry_uri(bucket,
key) == qutils.entry(bucket, key)