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How to use _handle_transfer_error method in autotest

Best Python code snippet using autotest_python

rss_client.py

Source:rss_client.py

...186        self._send(struct.pack("=I", msg))187    def _receive_msg(self, timeout=60):188        s = self._receive(4, timeout)189        return struct.unpack("=I", s)[0]190    def _handle_transfer_error(self):191        # Save original exception192        e = sys.exc_info()193        try:194            # See if we can get an error message195            msg = self._receive_msg()196        except FileTransferError:197            # No error message -- re-raise original exception198            raise e[0], e[1], e[2]199        if msg == RSS_ERROR:200            errmsg = self._receive_packet()201            raise FileTransferServerError(errmsg)202        raise e[0], e[1], e[2]203class FileUploadClient(FileTransferClient):204    """205    Connect to a RSS (remote shell server) and upload files or directory trees.206    """207    def __init__(self, address, port, log_func=None, timeout=20):208        """209        Connect to a server.210        @param address: The server's address211        @param port: The server's port212        @param log_func: If provided, transfer stats will be passed to this213                function during the transfer214        @param timeout: Time duration to wait for connection to succeed215        @raise FileTransferConnectError: Raised if the connection fails216        @raise FileTransferProtocolError: Raised if an incorrect magic number217                is received218        @raise FileTransferSocketError: Raised if the RSS_UPLOAD message cannot219                be sent to the server220        """221        super(FileUploadClient, self).__init__(address, port, log_func, timeout)222        self._send_msg(RSS_UPLOAD)223    def _upload_file(self, path, end_time):224        if os.path.isfile(path):225            self._send_msg(RSS_CREATE_FILE)226            self._send_packet(os.path.basename(path))227            self._send_file_chunks(path, end_time - time.time())228        elif os.path.isdir(path):229            self._send_msg(RSS_CREATE_DIR)230            self._send_packet(os.path.basename(path))231            for filename in os.listdir(path):232                self._upload_file(os.path.join(path, filename), end_time)233            self._send_msg(RSS_LEAVE_DIR)234    def upload(self, src_pattern, dst_path, timeout=600):235        """236        Send files or directory trees to the server.237        The semantics of src_pattern and dst_path are similar to those of scp.238        For example, the following are OK:239            src_pattern='/tmp/foo.txt', dst_path='C:\\'240                (uploads a single file)241            src_pattern='/usr/', dst_path='C:\\Windows\\'242                (uploads a directory tree recursively)243            src_pattern='/usr/*', dst_path='C:\\Windows\\'244                (uploads all files and directory trees under /usr/)245        The following is not OK:246            src_pattern='/tmp/foo.txt', dst_path='C:\\Windows\\*'247                (wildcards are only allowed in src_pattern)248        @param src_pattern: A path or wildcard pattern specifying the files or249                directories to send to the server250        @param dst_path: A path in the server's filesystem where the files will251                be saved252        @param timeout: Time duration in seconds to wait for the transfer to253                complete254        @raise FileTransferTimeoutError: Raised if timeout expires255        @raise FileTransferServerError: Raised if something goes wrong and the256                server sends an informative error message to the client257        @note: Other exceptions can be raised.258        """259        end_time = time.time() + timeout260        try:261            try:262                self._send_msg(RSS_SET_PATH)263                self._send_packet(dst_path)264                matches = glob.glob(src_pattern)265                for filename in matches:266                    self._upload_file(os.path.abspath(filename), end_time)267                self._send_msg(RSS_DONE)268            except FileTransferTimeoutError:269                raise270            except FileTransferError:271                self._handle_transfer_error()272            else:273                # If nothing was transferred, raise an exception274                if not matches:275                    raise FileTransferNotFoundError("Pattern %s does not "276                                                    "match any files or "277                                                    "directories" %278                                                    src_pattern)279                # Look for RSS_OK or RSS_ERROR280                msg = self._receive_msg(end_time - time.time())281                if msg == RSS_OK:282                    return283                elif msg == RSS_ERROR:284                    errmsg = self._receive_packet()285                    raise FileTransferServerError(errmsg)286                else:287                    # Neither RSS_OK nor RSS_ERROR found288                    raise FileTransferProtocolError("Received unexpected msg")289        except:290            # In any case, if the transfer failed, close the connection291            self.close()292            raise293class FileDownloadClient(FileTransferClient):294    """295    Connect to a RSS (remote shell server) and download files or directory trees.296    """297    def __init__(self, address, port, log_func=None, timeout=20):298        """299        Connect to a server.300        @param address: The server's address301        @param port: The server's port302        @param log_func: If provided, transfer stats will be passed to this303                function during the transfer304        @param timeout: Time duration to wait for connection to succeed305        @raise FileTransferConnectError: Raised if the connection fails306        @raise FileTransferProtocolError: Raised if an incorrect magic number307                is received308        @raise FileTransferSendError: Raised if the RSS_UPLOAD message cannot309                be sent to the server310        """311        super(FileDownloadClient, self).__init__(address, port, log_func, timeout)312        self._send_msg(RSS_DOWNLOAD)313    def download(self, src_pattern, dst_path, timeout=600):314        """315        Receive files or directory trees from the server.316        The semantics of src_pattern and dst_path are similar to those of scp.317        For example, the following are OK:318            src_pattern='C:\\foo.txt', dst_path='/tmp'319                (downloads a single file)320            src_pattern='C:\\Windows', dst_path='/tmp'321                (downloads a directory tree recursively)322            src_pattern='C:\\Windows\\*', dst_path='/tmp'323                (downloads all files and directory trees under C:\\Windows)324        The following is not OK:325            src_pattern='C:\\Windows', dst_path='/tmp/*'326                (wildcards are only allowed in src_pattern)327        @param src_pattern: A path or wildcard pattern specifying the files or328                directories, in the server's filesystem, that will be sent to329                the client330        @param dst_path: A path in the local filesystem where the files will331                be saved332        @param timeout: Time duration in seconds to wait for the transfer to333                complete334        @raise FileTransferTimeoutError: Raised if timeout expires335        @raise FileTransferServerError: Raised if something goes wrong and the336                server sends an informative error message to the client337        @note: Other exceptions can be raised.338        """339        dst_path = os.path.abspath(dst_path)340        end_time = time.time() + timeout341        file_count = 0342        dir_count = 0343        try:344            try:345                self._send_msg(RSS_SET_PATH)346                self._send_packet(src_pattern)347            except FileTransferError:348                self._handle_transfer_error()349            while True:350                msg = self._receive_msg()351                if msg == RSS_CREATE_FILE:352                    # Receive filename and file contents353                    filename = self._receive_packet()354                    if os.path.isdir(dst_path):355                        dst_path = os.path.join(dst_path, filename)356                    self._receive_file_chunks(dst_path, end_time - time.time())357                    dst_path = os.path.dirname(dst_path)358                    file_count += 1359                elif msg == RSS_CREATE_DIR:360                    # Receive dirname and create the directory361                    dirname = self._receive_packet()362                    if os.path.isdir(dst_path):...

rss_file_transfer.py

Source:rss_file_transfer.py

...134        self._send(struct.pack("=I", msg))135    def _receive_msg(self, timeout=10):136        s = self._receive(4, timeout)137        return struct.unpack("=I", s)[0]138    def _handle_transfer_error(self):139        # Save original exception140        e = sys.exc_info()141        try:142            # See if we can get an error message143            msg = self._receive_msg()144        except FileTransferError:145            # No error message -- re-raise original exception146            raise e[0], e[1], e[2]147        if msg == RSS_ERROR:148            errmsg = self._receive_packet()149            raise FileTransferServerError("Server said: %s" % errmsg)150        raise e[0], e[1], e[2]151class FileUploadClient(FileTransferClient):152    """153    Connect to a RSS (remote shell server) and upload files or directory trees.154    """155    def __init__(self, address, port, timeout=10):156        """157        Connect to a server.158        @param address: The server's address159        @param port: The server's port160        @param timeout: Time duration to wait for connection to succeed161        @raise FileTransferConnectError: Raised if the connection fails162        @raise FileTransferProtocolError: Raised if an incorrect magic number163                is received164        @raise FileTransferSendError: Raised if the RSS_UPLOAD message cannot165                be sent to the server166        """167        super(FileUploadClient, self).__init__(address, port, timeout)168        self._send_msg(RSS_UPLOAD)169    def _upload_file(self, path, end_time):170        if os.path.isfile(path):171            self._send_msg(RSS_CREATE_FILE)172            self._send_packet(os.path.basename(path))173            self._send_file_chunks(path, max(0, end_time - time.time()))174        elif os.path.isdir(path):175            self._send_msg(RSS_CREATE_DIR)176            self._send_packet(os.path.basename(path))177            for filename in os.listdir(path):178                self._upload_file(os.path.join(path, filename), end_time)179            self._send_msg(RSS_LEAVE_DIR)180    def upload(self, src_pattern, dst_path, timeout=600):181        """182        Send files or directory trees to the server.183        The semantics of src_pattern and dst_path are similar to those of scp.184        For example, the following are OK:185            src_pattern='/tmp/foo.txt', dst_path='C:\\'186                (uploads a single file)187            src_pattern='/usr/', dst_path='C:\\Windows\\'188                (uploads a directory tree recursively)189            src_pattern='/usr/*', dst_path='C:\\Windows\\'190                (uploads all files and directory trees under /usr/)191        The following is not OK:192            src_pattern='/tmp/foo.txt', dst_path='C:\\Windows\\*'193                (wildcards are only allowed in src_pattern)194        @param src_pattern: A path or wildcard pattern specifying the files or195                directories to send to the server196        @param dst_path: A path in the server's filesystem where the files will197                be saved198        @param timeout: Time duration in seconds to wait for the transfer to199                complete200        @raise FileTransferTimeoutError: Raised if timeout expires201        @raise FileTransferServerError: Raised if something goes wrong and the202                server sends an informative error message to the client203        @note: Other exceptions can be raised.204        """205        end_time = time.time() + timeout206        try:207            try:208                self._send_msg(RSS_SET_PATH)209                self._send_packet(dst_path)210                matches = glob.glob(src_pattern)211                for filename in matches:212                    self._upload_file(os.path.abspath(filename), end_time)213                self._send_msg(RSS_DONE)214            except FileTransferTimeoutError:215                raise216            except FileTransferError:217                self._handle_transfer_error()218            else:219                # If nothing was transferred, raise an exception220                if not matches:221                    raise FileTransferNotFoundError("Pattern %s does not "222                                                    "match any files or "223                                                    "directories" %224                                                    src_pattern)225                # Look for RSS_OK or RSS_ERROR226                msg = self._receive_msg(max(0, end_time - time.time()))227                if msg == RSS_OK:228                    return229                elif msg == RSS_ERROR:230                    errmsg = self._receive_packet()231                    raise FileTransferServerError("Server said: %s" % errmsg)232                else:233                    # Neither RSS_OK nor RSS_ERROR found234                    raise FileTransferProtocolError("Received unexpected msg")235        except:236            # In any case, if the transfer failed, close the connection237            self.close()238            raise239class FileDownloadClient(FileTransferClient):240    """241    Connect to a RSS (remote shell server) and download files or directory trees.242    """243    def __init__(self, address, port, timeout=10):244        """245        Connect to a server.246        @param address: The server's address247        @param port: The server's port248        @param timeout: Time duration to wait for connection to succeed249        @raise FileTransferConnectError: Raised if the connection fails250        @raise FileTransferProtocolError: Raised if an incorrect magic number251                is received252        @raise FileTransferSendError: Raised if the RSS_UPLOAD message cannot253                be sent to the server254        """255        super(FileDownloadClient, self).__init__(address, port, timeout)256        self._send_msg(RSS_DOWNLOAD)257    def download(self, src_pattern, dst_path, timeout=600):258        """259        Receive files or directory trees from the server.260        The semantics of src_pattern and dst_path are similar to those of scp.261        For example, the following are OK:262            src_pattern='C:\\foo.txt', dst_path='/tmp'263                (downloads a single file)264            src_pattern='C:\\Windows', dst_path='/tmp'265                (downloads a directory tree recursively)266            src_pattern='C:\\Windows\\*', dst_path='/tmp'267                (downloads all files and directory trees under C:\\Windows)268        The following is not OK:269            src_pattern='C:\\Windows', dst_path='/tmp/*'270                (wildcards are only allowed in src_pattern)271        @param src_pattern: A path or wildcard pattern specifying the files or272                directories, in the server's filesystem, that will be sent to273                the client274        @param dst_path: A path in the local filesystem where the files will275                be saved276        @param timeout: Time duration in seconds to wait for the transfer to277                complete278        @raise FileTransferTimeoutError: Raised if timeout expires279        @raise FileTransferServerError: Raised if something goes wrong and the280                server sends an informative error message to the client281        @note: Other exceptions can be raised.282        """283        dst_path = os.path.abspath(dst_path)284        end_time = time.time() + timeout285        file_count = 0286        dir_count = 0287        try:288            try:289                self._send_msg(RSS_SET_PATH)290                self._send_packet(src_pattern)291            except FileTransferError:292                self._handle_transfer_error()293            while True:294                msg = self._receive_msg()295                if msg == RSS_CREATE_FILE:296                    # Receive filename and file contents297                    filename = self._receive_packet()298                    if os.path.isdir(dst_path):299                        dst_path = os.path.join(dst_path, filename)300                    self._receive_file_chunks(301                            dst_path, max(0, end_time - time.time()))302                    dst_path = os.path.dirname(dst_path)303                    file_count += 1304                elif msg == RSS_CREATE_DIR:305                    # Receive dirname and create the directory306                    dirname = self._receive_packet()...

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