Пример #1
0
def insert(collection_name, docs, check_keys, safe, last_error_args,
           continue_on_error, uuid_subtype):
    """Get an **insert** message.

    .. note:: As of PyMongo 2.6, this function is no longer used. It
       is being kept (with tests) for backwards compatibility with 3rd
       party libraries that may currently be using it, but will likely
       be removed in a future release.

    """
    options = 0
    if continue_on_error:
        options += 1
    data = struct.pack("<i", options)
    data += bson._make_c_string(collection_name)
    encoded = [bson.BSON.encode(doc, check_keys, uuid_subtype) for doc in docs]
    if not encoded:
        raise InvalidOperation("cannot do an empty bulk insert")
    max_bson_size = max(list(map(len, encoded)))
    data += EMPTY.join(encoded)
    if safe:
        (_, insert_message) = __pack_message(2002, data)
        (request_id, error_message, _) = __last_error(collection_name,
                                                      last_error_args)
        return (request_id, insert_message + error_message, max_bson_size)
    else:
        (request_id, insert_message) = __pack_message(2002, data)
        return (request_id, insert_message, max_bson_size)
Пример #2
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def insert(collection_name, docs, check_keys,
           safe, last_error_args, continue_on_error, uuid_subtype):
    """Get an **insert** message.

    .. note:: As of PyMongo 2.6, this function is no longer used. It
       is being kept (with tests) for backwards compatibility with 3rd
       party libraries that may currently be using it, but will likely
       be removed in a future release.

    """
    options = 0
    if continue_on_error:
        options += 1
    data = struct.pack("<i", options)
    data += bson._make_c_string(collection_name)
    encoded = [bson.BSON.encode(doc, check_keys, uuid_subtype) for doc in docs]
    if not encoded:
        raise InvalidOperation("cannot do an empty bulk insert")
    max_bson_size = max(list(map(len, encoded)))
    data += EMPTY.join(encoded)
    if safe:
        (_, insert_message) = __pack_message(2002, data)
        (request_id, error_message, _) = __last_error(collection_name,
                                                      last_error_args)
        return (request_id, insert_message + error_message, max_bson_size)
    else:
        (request_id, insert_message) = __pack_message(2002, data)
        return (request_id, insert_message, max_bson_size)
Пример #3
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def get_more(collection_name, num_to_return, cursor_id):
    """Get a **getMore** message.
    """
    data = __ZERO
    data += bson._make_c_string(collection_name)
    data += struct.pack("<i", num_to_return)
    data += struct.pack("<q", cursor_id)
    return __pack_message(2005, data)
Пример #4
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def get_more(collection_name, num_to_return, cursor_id):
    """Get a **getMore** message.
    """
    data = __ZERO
    data += bson._make_c_string(collection_name)
    data += struct.pack("<i", num_to_return)
    data += struct.pack("<q", cursor_id)
    return __pack_message(2005, data)
Пример #5
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    def send_message(self, operation, collection, message, query_opts=_ZERO):
        #print "sending %d to %s" % (operation, self)
        fullname = collection and bson._make_c_string(collection) or b""
        message = query_opts + fullname + message

        # 16 is the size of the header in bytes
        header = struct.pack("<iiii", 16 + len(message), self.__id, 0, operation)
        self.transport.write(header + message)
        self.__id += 1
Пример #6
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    def send_message(self, operation, collection, message, query_opts=_ZERO):
        #print "sending %d to %s" % (operation, self)
        fullname = collection and bson._make_c_string(collection) or b""
        message = query_opts + fullname + message

        # 16 is the size of the header in bytes
        header = struct.pack("<iiii", 16 + len(message), self.__id, 0,
                             operation)
        self.transport.write(header + message)
        self.__id += 1
Пример #7
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def delete(collection_name, spec, safe, last_error_args, uuid_subtype):
    """Get a **delete** message.
    """
    data = __ZERO
    data += bson._make_c_string(collection_name)
    data += __ZERO
    encoded = bson.BSON.encode(spec, False, uuid_subtype)
    data += encoded
    if safe:
        (_, remove_message) = __pack_message(2006, data)
        (request_id, error_message, _) = __last_error(collection_name,
                                                      last_error_args)
        return (request_id, remove_message + error_message, len(encoded))
    else:
        (request_id, remove_message) = __pack_message(2006, data)
        return (request_id, remove_message, len(encoded))
Пример #8
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def delete(collection_name, spec, safe, last_error_args, uuid_subtype):
    """Get a **delete** message.
    """
    data = __ZERO
    data += bson._make_c_string(collection_name)
    data += __ZERO
    encoded = bson.BSON.encode(spec, False, uuid_subtype)
    data += encoded
    if safe:
        (_, remove_message) = __pack_message(2006, data)
        (request_id, error_message, _) = __last_error(collection_name,
                                                      last_error_args)
        return (request_id, remove_message + error_message, len(encoded))
    else:
        (request_id, remove_message) = __pack_message(2006, data)
        return (request_id, remove_message, len(encoded))
Пример #9
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def query(options, collection_name, num_to_skip,
          num_to_return, query, field_selector=None,
          uuid_subtype=OLD_UUID_SUBTYPE):
    """Get a **query** message.
    """
    data = struct.pack("<I", options)
    data += bson._make_c_string(collection_name)
    data += struct.pack("<i", num_to_skip)
    data += struct.pack("<i", num_to_return)
    encoded = bson.BSON.encode(query, False, uuid_subtype)
    data += encoded
    max_bson_size = len(encoded)
    if field_selector is not None:
        encoded = bson.BSON.encode(field_selector, False, uuid_subtype)
        data += encoded
        max_bson_size = max(len(encoded), max_bson_size)
    (request_id, query_message) = __pack_message(2004, data)
    return (request_id, query_message, max_bson_size)
Пример #10
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def query(options,
          collection_name,
          num_to_skip,
          num_to_return,
          query,
          field_selector=None,
          uuid_subtype=OLD_UUID_SUBTYPE):
    """Get a **query** message.
    """
    data = struct.pack("<I", options)
    data += bson._make_c_string(collection_name)
    data += struct.pack("<i", num_to_skip)
    data += struct.pack("<i", num_to_return)
    encoded = bson.BSON.encode(query, False, uuid_subtype)
    data += encoded
    max_bson_size = len(encoded)
    if field_selector is not None:
        encoded = bson.BSON.encode(field_selector, False, uuid_subtype)
        data += encoded
        max_bson_size = max(len(encoded), max_bson_size)
    (request_id, query_message) = __pack_message(2004, data)
    return (request_id, query_message, max_bson_size)
Пример #11
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def update(collection_name, upsert, multi, spec, doc, safe, last_error_args,
           check_keys, uuid_subtype):
    """Get an **update** message.
    """
    options = 0
    if upsert:
        options += 1
    if multi:
        options += 2

    data = __ZERO
    data += bson._make_c_string(collection_name)
    data += struct.pack("<i", options)
    data += bson.BSON.encode(spec, False, uuid_subtype)
    encoded = bson.BSON.encode(doc, check_keys, uuid_subtype)
    data += encoded
    if safe:
        (_, update_message) = __pack_message(2001, data)
        (request_id, error_message, _) = __last_error(collection_name,
                                                      last_error_args)
        return (request_id, update_message + error_message, len(encoded))
    else:
        (request_id, update_message) = __pack_message(2001, data)
        return (request_id, update_message, len(encoded))
Пример #12
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def update(collection_name, upsert, multi,
           spec, doc, safe, last_error_args, check_keys, uuid_subtype):
    """Get an **update** message.
    """
    options = 0
    if upsert:
        options += 1
    if multi:
        options += 2

    data = __ZERO
    data += bson._make_c_string(collection_name)
    data += struct.pack("<i", options)
    data += bson.BSON.encode(spec, False, uuid_subtype)
    encoded = bson.BSON.encode(doc, check_keys, uuid_subtype)
    data += encoded
    if safe:
        (_, update_message) = __pack_message(2001, data)
        (request_id, error_message, _) = __last_error(collection_name,
                                                      last_error_args)
        return (request_id, update_message + error_message, len(encoded))
    else:
        (request_id, update_message) = __pack_message(2001, data)
        return (request_id, update_message, len(encoded))
Пример #13
0
def _do_batched_insert(collection_name, docs, check_keys, safe,
                       last_error_args, continue_on_error, uuid_subtype,
                       client):
    """Insert `docs` using multiple batches.
    """
    def _insert_message(insert_message, send_safe):
        """Build the insert message with header and GLE.
        """
        request_id, final_message = __pack_message(2002, insert_message)
        if send_safe:
            request_id, error_message, _ = __last_error(
                collection_name, last_error_args)
            final_message += error_message
        return request_id, final_message

    if not docs:
        raise InvalidOperation("cannot do an empty bulk insert")

    last_error = None
    begin = struct.pack("<i", int(continue_on_error))
    begin += bson._make_c_string(collection_name)
    message_length = len(begin)
    data = [begin]
    for doc in docs:
        encoded = bson.BSON.encode(doc, check_keys, uuid_subtype)
        encoded_length = len(encoded)
        if encoded_length > client.max_bson_size:
            raise InvalidDocument("BSON document too large (%d bytes)"
                                  " - the connected server supports"
                                  " BSON document sizes up to %d"
                                  " bytes." %
                                  (encoded_length, client.max_bson_size))
        message_length += encoded_length
        if message_length < client.max_message_size:
            data.append(encoded)
            continue

        # We have enough data, send this message.
        send_safe = safe or not continue_on_error
        try:
            client._send_message(_insert_message(EMPTY.join(data), send_safe),
                                 send_safe)
        # Exception type could be OperationFailure or a subtype
        # (e.g. DuplicateKeyError)
        except OperationFailure as exc:
            # Like it says, continue on error...
            if continue_on_error:
                # Store exception details to re-raise after the final batch.
                last_error = exc
            # With unacknowledged writes just return at the first error.
            elif not safe:
                return
            # With acknowledged writes raise immediately.
            else:
                raise
        message_length = len(begin) + encoded_length
        data = [begin, encoded]

    client._send_message(_insert_message(EMPTY.join(data), safe), safe)

    # Re-raise any exception stored due to continue_on_error
    if last_error is not None:
        raise last_error
Пример #14
0
def _do_batched_insert(collection_name, docs, check_keys,
           safe, last_error_args, continue_on_error, uuid_subtype, client):
    """Insert `docs` using multiple batches.
    """
    def _insert_message(insert_message, send_safe):
        """Build the insert message with header and GLE.
        """
        request_id, final_message = __pack_message(2002, insert_message)
        if send_safe:
            request_id, error_message, _ = __last_error(collection_name,
                                                        last_error_args)
            final_message += error_message
        return request_id, final_message

    if not docs:
        raise InvalidOperation("cannot do an empty bulk insert")

    last_error = None
    begin = struct.pack("<i", int(continue_on_error))
    begin += bson._make_c_string(collection_name)
    message_length = len(begin)
    data = [begin]
    for doc in docs:
        encoded = bson.BSON.encode(doc, check_keys, uuid_subtype)
        encoded_length = len(encoded)
        if encoded_length > client.max_bson_size:
            raise InvalidDocument("BSON document too large (%d bytes)"
                                  " - the connected server supports"
                                  " BSON document sizes up to %d"
                                  " bytes." %
                                  (encoded_length, client.max_bson_size))
        message_length += encoded_length
        if message_length < client.max_message_size:
            data.append(encoded)
            continue

        # We have enough data, send this message.
        send_safe = safe or not continue_on_error
        try:
            client._send_message(_insert_message(EMPTY.join(data),
                                                 send_safe), send_safe)
        # Exception type could be OperationFailure or a subtype
        # (e.g. DuplicateKeyError)
        except OperationFailure as exc:
            # Like it says, continue on error...
            if continue_on_error:
                # Store exception details to re-raise after the final batch.
                last_error = exc
            # With unacknowledged writes just return at the first error.
            elif not safe:
                return
            # With acknowledged writes raise immediately.
            else:
                raise
        message_length = len(begin) + encoded_length
        data = [begin, encoded]

    client._send_message(_insert_message(EMPTY.join(data), safe), safe)

    # Re-raise any exception stored due to continue_on_error
    if last_error is not None:
        raise last_error