spotifyprovider.py 文件源码

def get_tracks_by_album_id(self, album_id):
        self.logger.info("Get tracks of the album(" +
                         album_id + ") from Spotify.")
        if not album_id:
            return None

        offset = 0
        tracks = []
        while True:
            params = {
                "offset": offset,
                "limit": 50
            }

            buf = BytesIO()

            client = pycurl.Curl()
            client.setopt(pycurl.URL, self.service_host + "/v1/albums/" +
                          album_id + "/tracks" + "?" + urlencode(params))
            client.setopt(pycurl.WRITEFUNCTION, buf.write)
            client.perform()
            client.close()

            body = json.loads(buf.getvalue().decode("utf-8"))
            buf.close()

            if body["total"] > 0:
                for data in body["items"]:
                    tracks.append(
                        Track(data["name"], None, data["track_number"]))

            if body["total"] > body["limit"] * (offset + 1):
                offset = offset + 1
            else:
                break

        return tracks