Esempio n. 1
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 async def iter_data(self) -> AsyncIterator[bytes]:
     file = self.field.get(self.field.context or self.context)
     if not getattr(file, "_blob", None):
         raise FileNotFoundException()
     blob = file._blob
     bfile = blob.open()
     async for chunk in bfile.iter_async_read():
         yield chunk
Esempio n. 2
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 async def iter_data(self, uri=None):
     if uri is None:
         file = self.field.get(self.field.context or self.context)
         uri = file.uri
     if uri not in _tmp_files:
         raise FileNotFoundException(uri)
     with open(_tmp_files[uri], "rb") as fi:
         chunk = fi.read(1024)
         while chunk:
             yield chunk
             chunk = fi.read(1024)
Esempio n. 3
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    async def iter_data(self, uri=None, headers=None):
        if uri is None:
            file = self.field.get(self.field.context or self.context)
            if not _is_uploaded_file(file):
                raise FileNotFoundException(
                    "Trying to iterate data with no file")
            else:
                uri = file.uri

        if headers is None:
            headers = {}

        util = get_utility(IGCloudBlobStore)
        url = "{}/{}/o/{}".format(OBJECT_BASE_URL, await
                                  util.get_bucket_name(), quote_plus(uri))
        headers["AUTHORIZATION"] = "Bearer {}".format(await
                                                      util.get_access_token())
        async with util.session.get(url,
                                    headers=headers,
                                    params={"alt": "media"},
                                    timeout=-1) as api_resp:
            if api_resp.status not in (200, 206):
                text = await api_resp.text()
                if api_resp.status == 404:
                    raise HTTPNotFound(
                        content={
                            "reason": "Google cloud file not found",
                            "response": text,
                        })
                elif api_resp.status == 401:
                    log.warning(
                        f"Invalid google cloud credentials error: {text}")
                    raise HTTPNotFound(
                        content={
                            "reason": "Google cloud invalid credentials",
                            "response": text,
                        })
                raise GoogleCloudException(f"{api_resp.status}: {text}")
            while True:
                chunk = await api_resp.content.read(1024 * 1024)
                if len(chunk) > 0:
                    yield chunk
                else:
                    break
Esempio n. 4
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    async def iter_data(self, uri=None):
        bucket = None
        if uri is None:
            file = self.field.get(self.field.context or self.context)
            if file is None or file.uri is None:
                raise FileNotFoundException('File not found')
            else:
                uri = file.uri
                bucket = file._bucket_name
        downloader = await self._download(uri, bucket)

        # we do not want to timeout ever from this...
        # downloader['Body'].set_socket_timeout(999999)
        async with downloader['Body'] as stream:
            data = await stream.read(CHUNK_SIZE)
            while True:
                if not data:
                    break
                yield data
                data = await stream.read(CHUNK_SIZE)
Esempio n. 5
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    async def iter_data(self, uri=None, **kwargs):
        bucket = None
        if uri is None:
            file = self.field.query(self.field.context or self.context, None)
            if not _is_uploaded_file(file):
                raise FileNotFoundException("File not found")
            else:
                uri = file.uri
                bucket = file._bucket_name

        downloader = await self._download(uri, bucket, **kwargs)

        # we do not want to timeout ever from this...
        # downloader['Body'].set_socket_timeout(999999)
        async with downloader["Body"] as stream:
            data = await stream.read(CHUNK_SIZE)
            while True:
                if not data:
                    break
                yield data
                data = await stream.read(CHUNK_SIZE)