n7space · Lurkerpas · Dec 9, 2025 · Dec 8, 2025 · Dec 8, 2025 · Dec 8, 2025
diff --git a/data/deploymentview.dv.xml b/data/deploymentview.dv.xml
@@ -0,0 +1,45 @@
+<DeploymentView version="1.2" UiFile="deploymentview.ui.xml" creatorHash="383508e" modifierHash="383508e">
+    <Node id="{d90e674a-8471-4e59-8bc6-c79e82c1067b}" name="SAM V71 RTEMS N7S_1" type="ocarina_processors_arm::samv71.rtems" node_label="Node_2" namespace="ocarina_processors_arm">
+        <Partition id="{6d924f84-5366-47d0-8a89-56a2614f6813}" name="ASW">
+            <Function id="{81aa583e-d1d0-47bb-ae8b-de3323dac654}" name="Frontend" path="Frontend"/>
+            <Function id="{4893b901-a505-42da-bad7-e3fa914fda5c}" name="Backend" path="Backend"/>
+        </Partition>
+        <Device id="{3d4974d8-cd66-4f5b-a8c7-813e8284d726}" name="uart0" requirement_ids="r10" requires_bus_access="ocarina_buses::serial.ccsds" port="uart0" asn1file="/home/taste/tool-inst/include/TASTE-SAMV71-RTEMS-Drivers/configurations/samv71-rtems-serial-driver.asn" asn1type="Serial-SamV71-Rtems-Conf-T" asn1module="SAMV71-RTEMS-SERIAL-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::serial_ccsds" impl_extends="ocarina_drivers::serial_ccsds.samv71_rtems" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{429de864-ffda-4d9a-846b-6851debc08d0}" name="uart1" requires_bus_access="ocarina_buses::serial.ccsds" port="uart1" asn1file="/home/taste/tool-inst/include/TASTE-SAMV71-RTEMS-Drivers/configurations/samv71-rtems-serial-driver.asn" asn1type="Serial-SamV71-Rtems-Conf-T" asn1module="SAMV71-RTEMS-SERIAL-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::serial_ccsds" impl_extends="ocarina_drivers::serial_ccsds.samv71_rtems" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{3b9b9f0e-4376-441c-9fb4-20a82d9adfaf}" name="uart2" requires_bus_access="ocarina_buses::serial.ccsds" port="uart2" asn1file="/home/taste/tool-inst/include/TASTE-SAMV71-RTEMS-Drivers/configurations/samv71-rtems-serial-driver.asn" asn1type="Serial-SamV71-Rtems-Conf-T" asn1module="SAMV71-RTEMS-SERIAL-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::serial_ccsds" impl_extends="ocarina_drivers::serial_ccsds.samv71_rtems" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{46e38140-b204-4360-bdb2-766800b08c13}" name="uart3" requires_bus_access="ocarina_buses::serial.ccsds" port="uart3" asn1file="/home/taste/tool-inst/include/TASTE-SAMV71-RTEMS-Drivers/configurations/samv71-rtems-serial-driver.asn" asn1type="Serial-SamV71-Rtems-Conf-T" asn1module="SAMV71-RTEMS-SERIAL-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::serial_ccsds" impl_extends="ocarina_drivers::serial_ccsds.samv71_rtems" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{179bb7d9-a647-401f-b8fc-8398825c82aa}" name="uart4" requires_bus_access="ocarina_buses::serial.ccsds" port="uart4" asn1file="/home/taste/tool-inst/include/TASTE-SAMV71-RTEMS-Drivers/configurations/samv71-rtems-serial-driver.asn" asn1type="Serial-SamV71-Rtems-Conf-T" asn1module="SAMV71-RTEMS-SERIAL-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::serial_ccsds" impl_extends="ocarina_drivers::serial_ccsds.samv71_rtems" bus_namespace="ocarina_buses">
+        </Device>
+    </Node>
+    <Node id="{d2ed099d-9b64-446a-828c-639641de9cf7}" name="x86 Linux C++_1" type="ocarina_processors_x86::x86.generic_linux" requirement_ids="r21,r20" node_label="Node_1" namespace="ocarina_processors_x86">
+        <Partition id="{3306c70d-08de-4beb-a6b2-e8b3d4861243}" name="Ground">
+            <Function id="{0042ca70-4823-4460-88fe-d873823b9e73}" name="EGSE" path="EGSE"/>
+        </Partition>
+        <Device id="{a294e422-1f35-4716-88f2-c89c5621e71c}" name="tcp1" requires_bus_access="ocarina_buses::ip.generic" port="tcp1" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::ip_socket" impl_extends="ocarina_drivers::ip_socket.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{143518ef-a9fa-4c50-a310-7dfd56a92e64}" name="tcp2" requires_bus_access="ocarina_buses::ip.generic" port="tcp2" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::ip_socket" impl_extends="ocarina_drivers::ip_socket.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{4d3b0112-4110-4f88-a0c4-5cbb5c301911}" name="tcp3" requires_bus_access="ocarina_buses::ip.generic" port="tcp3" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::ip_socket" impl_extends="ocarina_drivers::ip_socket.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{486034e5-9983-4c09-add7-d33615bad4ab}" name="tcp4" requires_bus_access="ocarina_buses::ip.generic" port="tcp4" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::ip_socket" impl_extends="ocarina_drivers::ip_socket.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{461825c1-d258-4142-87f3-aa1cf7e4ec58}" name="udp1" requires_bus_access="ocarina_buses::ip.generic" port="udp1" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::udp" impl_extends="ocarina_drivers::udp.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{e4adae5b-da7a-4116-ab07-cca5836ae956}" name="udp2" requires_bus_access="ocarina_buses::ip.generic" port="udp2" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::udp" impl_extends="ocarina_drivers::udp.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{2babb575-5420-4079-a675-10024db8d065}" name="udp3" requires_bus_access="ocarina_buses::ip.generic" port="udp3" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::udp" impl_extends="ocarina_drivers::udp.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{95e09c1c-a585-48ba-989e-05876c88e4b6}" name="udp4" requires_bus_access="ocarina_buses::ip.generic" port="udp4" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-socket-ip-driver.asn" asn1type="Socket-IP-Conf-T" asn1module="LINUX-SOCKET-IP-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::udp" impl_extends="ocarina_drivers::udp.linux" bus_namespace="ocarina_buses">
+        </Device>
+        <Device id="{e18013d2-4879-47f6-8fd9-a6eefb7d1c38}" name="uart0" requires_bus_access="ocarina_buses::serial.ccsds" port="uart0" asn1file="/home/taste/tool-inst/include/TASTE-Linux-Drivers/configurations/linux-serial-ccsds-driver.asn" asn1type="Serial-CCSDS-Linux-Conf-T" asn1module="LINUX-SERIAL-CCSDS-DRIVER" namespace="ocarina_drivers" extends="ocarina_drivers::serial_ccsds" impl_extends="ocarina_drivers::serial_ccsds.linux" bus_namespace="ocarina_buses">
+        </Device>
+    </Node>
+    <Connection id="{22fe1747-61e5-4c8c-be5b-64a520be8244}" name="Connection_1" from_node="x86 Linux C++_1" from_port="uart0" to_bus="ocarina_buses::serial.ccsds" to_node="SAM V71 RTEMS N7S_1" to_port="uart0">
+            <Message id="{8db75af6-2fc4-458c-9e30-7fd7e44479eb}" name="Message_1" from_function="EGSE" from_interface="tc" to_function="Frontend" to_interface="tc"/>
+            <Message id="{7cd12471-ac99-4dfc-8c7d-a62280efc46b}" name="Message_2" from_function="Frontend" from_interface="tm" to_function="EGSE" to_interface="tm"/>
+    </Connection>
+</DeploymentView>
diff --git a/templateprocessor/dv.py b/templateprocessor/dv.py
@@ -0,0 +1,131 @@
+"""
+TASTE Deployment View (DV) data model classes.
+
+This module provides Python classes that reflect the schema/structure of
+TASTE Deployment View XML files, allowing for parsing, manipulation, and
+generation of DV data.
+"""
+
+from dataclasses import dataclass, field
+from typing import List
+
+
+@dataclass
+class DeploymentFunction:
+    """Function deployed to a partition."""
+
+    id: str
+    name: str
+    path: str
+
+
+@dataclass
+class Partition:
+    """
+    Partition within a node.
+
+    A partition represents an execution context that can host one or more
+    functions (software components).
+    """
+
+    id: str
+    name: str
+    functions: List[DeploymentFunction] = field(default_factory=list)
+
+
+@dataclass
+class Device:
+    """
+    Hardware device attached to a node.
+
+    Devices represent connection hardpoints (e.g., UART, TCP/UDP ports) that
+    provide bus access for communication.
+    """
+
+    id: str
+    name: str
+    requires_bus_access: str
+    port: str
+    asn1file: str
+    asn1type: str
+    asn1module: str
+    namespace: str
+    extends: str
+    impl_extends: str
+    bus_namespace: str
+    requirement_ids: List[str] = field(default_factory=list)
+
+
+@dataclass
+class Node:
+    """
+    Deployment node (processor/platform).
+
+    A node represents a physical or virtual hardware platform that can host
+    partitions and devices. Examples include embedded processors, Linux systems,
+    or other execution platforms.
+    """
+
+    id: str
+    name: str
+    type: str
+    node_label: str
+    namespace: str
+    partitions: List[Partition] = field(default_factory=list)
+    devices: List[Device] = field(default_factory=list)
+    requirement_ids: List[str] = field(default_factory=list)
+
+
+@dataclass
+class Message:
+    """
+    Message routed through a connection.
+
+    Represents data flow from one function's interface to another function's
+    interface over a physical connection.
+    """
+
+    id: str
+    name: str
+    from_function: str
+    from_interface: str
+    to_function: str
+    to_interface: str
+
+
+@dataclass
+class Connection:
+    """
+    Physical connection between nodes.
+
+    Represents a communication link between devices on different nodes,
+    potentially through a bus. Contains the messages that are routed
+    through this connection.
+    """
+
+    id: str
+    name: str
+    from_node: str
+    from_port: str
+    to_bus: str
+    to_node: str
+    to_port: str
+    messages: List[Message] = field(default_factory=list)
+
+
+@dataclass
+class DeploymentView:
+    """
+    Root element representing a TASTE Deployment View.
+
+    This is the main data structure that contains all nodes, connections,
+    and other elements that define how a TASTE system is deployed to
+    physical/virtual hardware.
+    """
+
+    version: str = ""
+    ui_file: str = ""
+    creator_hash: str = ""
+    modifier_hash: str = ""
+    nodes: List[Node] = field(default_factory=list)
+    connections: List[Connection] = field(default_factory=list)
diff --git a/templateprocessor/dvreader.py b/templateprocessor/dvreader.py
@@ -0,0 +1,201 @@
+"""
+TASTE Deployment View XML Reader.
+
+This module provides functionality to parse TASTE Deployment View XML files
+and construct DeploymentView data model instances.
+"""
+
+import xml.etree.ElementTree as ET
+from pathlib import Path
+from typing import Union
+
+from templateprocessor.dv import (
+    DeploymentView,
+    Node,
+    Partition,
+    DeploymentFunction,
+    Device,
+    Connection,
+    Message,
+)
+
+
+class DVReader:
+    """
+    Reader for TASTE Deployment View XML files.
+
+    Parses XML files conforming to the TASTE Deployment View schema and
+    constructs corresponding DeploymentView objects.
+
+    Example:
+        reader = DVReader()
+        deployment_view = reader.read("deploymentview.dv.xml")
+    """
+
+    def read(self, file_path: Union[str, Path]) -> DeploymentView:
+        """
+        Read and parse a TASTE Deployment View XML file.
+
+        Args:
+            file_path: Path to the DV XML file
+
+        Returns:
+            DeploymentView object populated with parsed data
+
+        Raises:
+            FileNotFoundError: If the file does not exist
+            xml.etree.ElementTree.ParseError: If XML is malformed
+        """
+        file_path = Path(file_path)
+        if not file_path.exists():
+            raise FileNotFoundError(f"Deployment View file not found: {file_path}")
+
+        tree = ET.parse(file_path)
+        root = tree.getroot()
+
+        return self._parse_deployment_view(root)
+
+    def read_string(self, xml_content: str) -> DeploymentView:
+        """
+        Read and parse TASTE Deployment View XML from a string.
+
+        Args:
+            xml_content: XML content as string
+
+        Returns:
+            DeploymentView object populated with parsed data
+
+        Raises:
+            xml.etree.ElementTree.ParseError: If XML is malformed
+        """
+        root = ET.fromstring(xml_content)
+        return self._parse_deployment_view(root)
+
+    def _parse_deployment_view(self, root: ET.Element) -> DeploymentView:
+        """Parse the root DeploymentView element."""
+        dv = DeploymentView(
+            version=root.get("version", ""),
+            ui_file=root.get("UiFile", ""),
+            creator_hash=root.get("creatorHash", ""),
+            modifier_hash=root.get("modifierHash", ""),
+        )
+
+        # Parse all Node elements
+        for node_elem in root.findall("Node"):
+            node = self._parse_node(node_elem)
+            dv.nodes.append(node)
+
+        # Parse all Connection elements
+        for conn_elem in root.findall("Connection"):
+            connection = self._parse_connection(conn_elem)
+            dv.connections.append(connection)
+
+        return dv
+
+    def _parse_node(self, elem: ET.Element) -> Node:
+        """Parse a Node element."""
+        # Parse requirement_ids if present
+        requirement_ids = []
+        req_ids_str = elem.get("requirement_ids", "")
+        if req_ids_str:
+            requirement_ids = [
+                rid.strip() for rid in req_ids_str.split(",") if rid.strip()
+            ]
+
+        node = Node(
+            id=elem.get("id", ""),
+            name=elem.get("name", ""),
+            type=elem.get("type", ""),
+            node_label=elem.get("node_label", ""),
+            namespace=elem.get("namespace", ""),
+            requirement_ids=requirement_ids,
+        )
+
+        # Parse partitions
+        for partition_elem in elem.findall("Partition"):
+            partition = self._parse_partition(partition_elem)
+            node.partitions.append(partition)
+
+        # Parse devices
+        for device_elem in elem.findall("Device"):
+            device = self._parse_device(device_elem)
+            node.devices.append(device)
+
+        return node
+
+    def _parse_partition(self, elem: ET.Element) -> Partition:
+        """Parse a Partition element."""
+        partition = Partition(
+            id=elem.get("id", ""),
+            name=elem.get("name", ""),
+        )
+
+        # Parse functions
+        for func_elem in elem.findall("Function"):
+            function = self._parse_deployment_function(func_elem)
+            partition.functions.append(function)
+
+        return partition
+
+    def _parse_deployment_function(self, elem: ET.Element) -> DeploymentFunction:
+        """Parse a Function element within a Partition."""
+        return DeploymentFunction(
+            id=elem.get("id", ""),
+            name=elem.get("name", ""),
+            path=elem.get("path", ""),
+        )
+
+    def _parse_device(self, elem: ET.Element) -> Device:
+        """Parse a Device element."""
+        # Parse requirement_ids if present
+        requirement_ids = []
+        req_ids_str = elem.get("requirement_ids", "")
+        if req_ids_str:
+            requirement_ids = [
+                rid.strip() for rid in req_ids_str.split(",") if rid.strip()
+            ]
+
+        return Device(
+            id=elem.get("id", ""),
+            name=elem.get("name", ""),
+            requires_bus_access=elem.get("requires_bus_access", ""),
+            port=elem.get("port", ""),
+            asn1file=elem.get("asn1file", ""),
+            asn1type=elem.get("asn1type", ""),
+            asn1module=elem.get("asn1module", ""),
+            namespace=elem.get("namespace", ""),
+            extends=elem.get("extends", ""),
+            impl_extends=elem.get("impl_extends", ""),
+            bus_namespace=elem.get("bus_namespace", ""),
+            requirement_ids=requirement_ids,
+        )
+
+    def _parse_connection(self, elem: ET.Element) -> Connection:
+        """Parse a Connection element."""
+        connection = Connection(
+            id=elem.get("id", ""),
+            name=elem.get("name", ""),
+            from_node=elem.get("from_node", ""),
+            from_port=elem.get("from_port", ""),
+            to_bus=elem.get("to_bus", ""),
+            to_node=elem.get("to_node", ""),
+            to_port=elem.get("to_port", ""),
+        )
+
+        # Parse messages
+        for msg_elem in elem.findall("Message"):
+            message = self._parse_message(msg_elem)
+            connection.messages.append(message)
+
+        return connection
+
+    def _parse_message(self, elem: ET.Element) -> Message:
+        """Parse a Message element."""
+        return Message(
+            id=elem.get("id", ""),
+            name=elem.get("name", ""),
+            from_function=elem.get("from_function", ""),
+            from_interface=elem.get("from_interface", ""),
+            to_function=elem.get("to_function", ""),
+            to_interface=elem.get("to_interface", ""),
+        )
diff --git a/tests/Makefile b/tests/Makefile
@@ -3,6 +3,7 @@ PYTHON ?= python3
 
 TESTS = \
 	test_ivreader.py \
+	test_dvreader.py \
 	test_soreader.py
 
 .PHONY: \