network print

core/nodeslicer/nodes.py

@@ -5,7 +5,7 @@ from typing import Any, TypeAlias
 import bpy
 import numpy as np
 from mathutils import Euler
-from bpy.props import StringProperty, FloatProperty, IntProperty
+from bpy.props import StringProperty, FloatProperty, IntProperty, EnumProperty
 
 from ...registry import register_class
 from .. import slice
@@ -61,8 +61,54 @@ class SLICENODE_InputObject(InputNode):
     input_type = "Object"
     bl_icon = "OBJECT_DATA"
 
+@register_class
+class SLICENODE_InputPrinter(SliceNode):
+    bl_label = "Printer"
+    bl_icon = "OUTPUT"
+
+    def update_label(self, context):
+        self.label = self.printer_label
+
+    printer_label: StringProperty(name="Label", default="Printer", update=update_label) # pyright: ignore[reportInvalidTypeForm]
+
+    host_type: EnumProperty(
+        name="Type",
+        items=[
+            ('PRUSALINK', "PrusaLink", "PrusaLink API"),
+            ('CREALITY', "Creality", "Creality Cloud API"),
+            ('MOONRAKER', "Moonraker", "Moonraker (Klipper) API"),
+        ],
+        default='PRUSALINK'
+    ) # pyright: ignore[reportInvalidTypeForm]
+
+    def init(self, context):
+        self.add_output("SLICESOCK_Printer")
+        self.add_input("SLICESOCK_String", "Host").value = "localhost"
+        self.add_input("SLICESOCK_Int", "Port").value = 80
+        self.add_input("SLICESOCK_String", "Prefix")
+        self.add_input("SLICESOCK_String", "Username")
+        self.add_input("SLICESOCK_String", "Password")
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, "printer_label")  # pyright: ignore[reportOptionalMemberAccess]
+        layout.prop(self, "host_type")  # pyright: ignore[reportOptionalMemberAccess]
+
+    def evaluate_output(self, socket_name: str, **_kwargs) -> Any:
+        from ...infra.printer_backends import PrinterConfig
+        return PrinterConfig(
+            host=self.resolve("Host"),
+            port=self.resolve("Port"),
+            prefix=self.resolve("Prefix"),
+            label=self.printer_label,
+            username=self.resolve("Username"),
+            password=self.resolve("Password"),
+            host_type=self.host_type
+        )
+
+
 @register_class
 class SLICENODE_InputIntrinsics(SliceNode):
+
     bl_label = "Printer Intrinsics"
 
     def init(self, context):
@@ -657,6 +703,66 @@ class ExecSliceNode(SliceNode):
         layout.operator("slicenode.execute", text=self.button_label).node_name = self.name
 
 @register_class
+class SLICENODE_PrinterList(SliceNode):
+    bl_label = "Printer List"
+
+    def _refresh(self):
+        import json
+        if not self.config_path:
+            return
+
+        abs_path = bpy.path.abspath(self.config_path)
+        if not os.path.exists(abs_path):
+            return
+
+        try:
+            with open(abs_path, 'r', encoding='utf-8') as f:
+                data = json.load(f)
+        except Exception:
+            return
+
+        printers = data.get("printers", [])
+        printer_names = set()
+
+        for p_data in printers:
+            name = p_data.get("name", "Unknown")
+            printer_names.add(name)
+            sock = self.outputs.get(name)
+            if not sock:
+                sock = self.add_output("SLICESOCK_Printer", name)
+
+            # Update properties
+            sock.label = name
+            sock.host = str(p_data.get("ip", "localhost"))
+            sock.port = int(p_data.get("port", 80))
+            sock.prefix = str(p_data.get("prefix", ""))
+            sock.username = str(p_data.get("username", ""))
+            sock.password = str(p_data.get("password", ""))
+            sock.host_type = str(p_data.get("host_type", "PRUSALINK")).upper()
+
+        # Remove stale sockets
+        for sock in list(self.outputs):
+            if sock.name not in printer_names:
+                self.outputs.remove(sock)
+
+    def update_config(self, context):
+        self._refresh()
+
+    config_path: StringProperty(name="Config File", default="", subtype='FILE_PATH', update=update_config) # pyright: ignore[reportInvalidTypeForm]
+
+    def init(self, context):
+        pass
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, "config_path")  # pyright: ignore[reportOptionalMemberAccess]
+
+    def evaluate_output(self, socket_name: str, **_kwargs) -> Any:
+        self._refresh()
+        sock = self.outputs.get(socket_name)
+        if sock:
+            return sock.value
+        return None
+@register_class
 class SLICENODE_GcodeToFile(ExecSliceNode):
     bl_label = "Gcode To File"
 
@@ -666,7 +772,7 @@ class SLICENODE_GcodeToFile(ExecSliceNode):
         self.add_input("SLICESOCK_Gcode")
         self.add_input("SLICESOCK_FilePath", "Filename")
 
-    def evaluate(self):
+    def evaluate(self, operator=None):
         gcode: str = resolve_input(self.inputs.get("Gcode"))
         filename: str = resolve_input(self.inputs.get("Filename"))
 
@@ -678,6 +784,66 @@ class SLICENODE_GcodeToFile(ExecSliceNode):
 
         return 'ok'
 
+@register_class
+class SLICENODE_StartPrint(ExecSliceNode):
+    bl_label = "Start Print"
+    button_label = "Send to Printer"
+
+    def init(self, context):
+        self.add_input("SLICESOCK_Gcode")
+        self.add_input("SLICESOCK_Printer")
+
+    def evaluate(self, operator=None):
+        from ...infra.printer_backends import (
+            PrinterConfig, 
+            PrusaLinkBackend, 
+            CrealityBackend, 
+            MoonrakerBackend
+        )
+        import tempfile
+        from pathlib import Path
+
+        gcode: str = resolve_input(self.inputs.get("Gcode"))
+        config: PrinterConfig | None = resolve_input(self.inputs.get("Printer"))
+
+        if not gcode:
+            if operator: operator.report({'ERROR'}, "No Gcode to send")
+            return 'no gcode'
+        if not config:
+            if operator: operator.report({'ERROR'}, "No Printer configuration")
+            return 'no printer'
+
+        # Instantiate correct backend
+        backend = None
+        if config.host_type == 'PRUSALINK':
+            backend = PrusaLinkBackend(config.host, config.port, config.prefix, api_key=config.password)
+        elif config.host_type == 'CREALITY':
+            backend = CrealityBackend(config.host, config.port, config.prefix)
+        elif config.host_type == 'MOONRAKER':
+            backend = MoonrakerBackend(config.host, config.port, config.prefix)
+        
+        if not backend:
+            if operator: operator.report({'ERROR'}, f"Unsupported host type: {config.host_type}")
+            return 'unsupported'
+
+        # Write to temp file to send
+        with tempfile.NamedTemporaryFile(mode='w', suffix='.gcode', delete=False) as tf:
+            tf.write(gcode)
+            temp_path = Path(tf.name)
+
+        try:
+            print_name = f"NodeSlicer_{config.label}.gcode".replace(" ", "_")
+            backend.start_print(temp_path, print_name)
+            if operator: operator.report({'INFO'}, f"Print started on {config.label}")
+        except Exception as e:
+            if operator: operator.report({'ERROR'}, f"Failed to start print: {str(e)}")
+            return 'error'
+        finally:
+            if temp_path.exists():
+                temp_path.unlink()
+
+        return 'ok'
+
 @register_class
 class SLICENODE_GcodeToMesh(ExecSliceNode):
     bl_label = "Gcode to Mesh"
@@ -687,7 +853,7 @@ class SLICENODE_GcodeToMesh(ExecSliceNode):
     def init(self, context):
         self.add_input("SLICESOCK_Gcode")
 
-    def evaluate(self):
+    def evaluate(self, operator=None):
         gcode: str = resolve_input(self.inputs.get("Gcode"))
         if not gcode:
             return 'empty'
@@ -795,6 +961,6 @@ class SLICENODE_Test(ExecSliceNode):
     def init(self, context): 
         self.add_input("SLICESOCK_Gcode")
 
-    def evaluate(self):
+    def evaluate(self, operator=None):
         _ = resolve_input(self.inputs.get("Gcode"))
         return 'ok'

core/nodeslicer/sockets.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 from typing import Any
 import bpy
-from bpy.props import PointerProperty, StringProperty, FloatProperty, IntProperty
+from bpy.props import PointerProperty, StringProperty, FloatProperty, IntProperty, EnumProperty
 
 from ...registry import register_class
 from ...infra.blender_slice_nodes_generic import SliceNodeSocket
@@ -114,3 +114,52 @@ class SLICESOCK_Intrinsics(LabelNodeSocket):
     bl_label = "Intrinsics"
     default = None
     color = (0.2, 0.2, 0.2, 1.0)
+
+@register_class
+class SLICESOCK_Printer(InputNodeSocket):
+    bl_label = "Printer"
+
+    host: StringProperty(name="Host", default="localhost")  # pyright: ignore[reportInvalidTypeForm]
+    port: IntProperty(name="Port", default=80, min=1, max=65535)  # pyright: ignore[reportInvalidTypeForm]
+    prefix: StringProperty(name="Prefix", default="")  # pyright: ignore[reportInvalidTypeForm]
+    label: StringProperty(name="Label", default="Printer")  # pyright: ignore[reportInvalidTypeForm]
+    username: StringProperty(name="Username", default="")  # pyright: ignore[reportInvalidTypeForm]
+    password: StringProperty(name="Password", default="", subtype='PASSWORD')  # pyright: ignore[reportInvalidTypeForm]
+    
+    host_type: EnumProperty(
+        name="Type",
+        items=[
+            ('PRUSALINK', "PrusaLink", "PrusaLink API"),
+            ('CREALITY', "Creality", "Creality Cloud API"),
+            ('MOONRAKER', "Moonraker", "Moonraker (Klipper) API"),
+        ],
+        default='PRUSALINK'
+    )  # pyright: ignore[reportInvalidTypeForm]
+
+    color = (1.0, 0.45, 0.1, 1.0) # Orange
+
+    def draw(self, context, layout, node, text):
+        if self.is_output or self.is_linked:
+            layout.label(text=text or self.name)
+        else:
+            col = layout.column(align=True)
+            col.prop(self, "label", text="")
+            col.prop(self, "host_type", text="")
+            col.prop(self, "host")
+            col.prop(self, "port")
+            col.prop(self, "prefix")
+            col.prop(self, "username")
+            col.prop(self, "password")
+
+    @property
+    def value(self) -> Any:
+        from ...infra.printer_backends import PrinterConfig
+        return PrinterConfig(
+            host=self.host,
+            port=self.port,
+            prefix=self.prefix,
+            label=self.label,
+            username=self.username,
+            password=self.password,
+            host_type=self.host_type
+        )

core/nodeslicer/tree.py

@@ -25,9 +25,16 @@ class SLICENODE_OT_Execute(Operator):
     def execute(self, context) -> set['OperatorReturnItems']:
         node_tree = context.space_data.edit_tree # pyright: ignore[reportAttributeAccessIssue, reportOptionalMemberAccess]
         node = node_tree.nodes[self.node_name]
-        _ = node.evaluate()
         
-        self.report({"INFO"}, f"Execution Successful")
+        try:
+            res = node.evaluate(operator=self)
+            if res == 'ok':
+                self.report({"INFO"}, f"Execution Successful")
+        except Exception as e:
+            self.report({"ERROR"}, f"Execution failed: {str(e)}")
+            import traceback
+            traceback.print_exc()
+
         return {"FINISHED"}
 
 @register_class
@@ -45,6 +52,8 @@ class SLICENODE_MT_Menu(Menu):
         layout.operator("node.add_node", text="Math").type = "SLICENODE_FloatMath"
         layout.operator("node.add_node", text="Integer Math").type = "SLICENODE_IntMath"
         layout.operator("node.add_node", text="Object").type = "SLICENODE_InputObject"
+        layout.operator("node.add_node", text="Printer").type = "SLICENODE_InputPrinter"
+        layout.operator("node.add_node", text="Printer List").type = "SLICENODE_PrinterList"
         layout.operator("node.add_node", text="Printer Intrinsics").type = "SLICENODE_InputIntrinsics"
         layout.operator("node.add_node", text="Test").type = "SLICENODE_Test"
         layout.operator("node.add_node", text="Get Mesh").type = "SLICENODE_GetMesh"
@@ -66,6 +75,7 @@ class SLICENODE_MT_Menu(Menu):
         layout.operator("node.add_node", text="Boolean Paths").type = "SLICENODE_JoinSlices"
         layout.separator()
         layout.operator("node.add_node", text="Gcode to File").type = "SLICENODE_GcodeToFile"
+        layout.operator("node.add_node", text="Start Print").type = "SLICENODE_StartPrint"
         layout.operator("node.add_node", text="Gcode to Mesh").type = "SLICENODE_GcodeToMesh"
 
 def draw_add_menu(self, context):

infra/ftp.py

@@ -0,0 +1,97 @@
+import os
+from pathlib import Path
+
+def ftp_upload(
+    host: str,
+    filepath: Path,
+    storage_path: str,
+    filename: str,
+    overwrite: bool = False,
+    timeout: float = 30,
+    user: str = "",
+    passwd: str = "",
+):
+    from ftplib import FTP, error_perm
+
+    if not os.path.isfile(filepath):
+        raise FileNotFoundError(f"Local file not found: {filepath}")
+
+    remote_name = filename or os.path.basename(filepath)
+
+    ftp = FTP(host, timeout=timeout)
+    ftp.login(user=user, passwd=passwd)
+
+    try:
+        # Change to target directory
+        ftp.cwd(storage_path)
+
+        # Check if file exists remotely
+        existing = ftp.nlst()
+        if remote_name in existing:
+            if not overwrite:
+                raise FileExistsError(f"Remote file already exists: {remote_name}")
+            # delete existing file
+            try:
+                ftp.delete(str(remote_name))
+            except error_perm as e:
+                raise RuntimeError(f"Failed to delete remote file: {e}")
+
+        # Upload new file
+        with open(filepath, 'rb') as f:
+            ftp.storbinary(f'STOR {remote_name}', f)
+
+    finally:
+        ftp.quit()
+
+def ftp_wipe(
+    host: str,
+    storage_path: str,
+    timeout: int = 30,
+    user: str = "",
+    passwd: str = "",
+):
+    from ftplib import FTP, error_perm
+
+    ftp = FTP(host, timeout=timeout)
+    ftp.login(user=user, passwd=passwd)
+
+    try:
+        ftp.cwd(storage_path)
+        existing = ftp.nlst()
+        for f in existing:
+            try:
+                ftp.delete(filename=f)
+            except error_perm as e:
+                raise RuntimeError(f"Failed to delete remote file: {f}")
+    except error_perm as e:
+        raise RuntimeError("e")
+    finally:
+        ftp.quit()
+
+def ftp_get_filesize(
+    host: str,
+    storage_path: str,
+    filename: str,
+    timeout: float = 30,
+    user: str = "",
+    passwd: str = "",
+) -> int:
+    from ftplib import FTP, error_perm
+    
+    ftp = FTP(host, timeout=timeout)
+    ftp.login(user=user, passwd=passwd)
+
+    try:
+        ftp.cwd(storage_path)
+        try:
+            size = ftp.size(filename)
+        except error_perm as e:
+            raise FileNotFoundError(f"Remote file not found or SIZE not supported: {filename}") from e
+
+        if size is None:
+            raise RuntimeError("FTP server returned no size information")
+
+        return size
+
+    finally:
+        ftp.quit()

infra/printer_backends.py

@@ -29,6 +29,16 @@ class PrinterStatus:
     bed_temperature: float = 0.0
     nozzle_diameter: float = 0.0
 
+@dataclass
+class PrinterConfig:
+    host: str = "localhost"
+    port: int = 80
+    prefix: str = ""
+    label: str = "Printer"
+    username: str = ""
+    password: str = ""
+    host_type: str = "PRUSALINK"
+
 class PrinterBackend(Protocol):
     def query_status(self) -> PrinterStatus: ...
     def pause(self) -> None: ...