bgcode support linux

core/nodeslicer/nodes.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 import os
 import subprocess
+from subprocess import CompletedProcess
 import tempfile
 import shlex
 import shutil
@@ -11,6 +12,7 @@ import bpy
 import numpy as np
 from mathutils import Euler
 
+
 from .bpy_ns_types import NfIntProperty, NfStringProperty, NfEnumProperty, NfBoolProperty, notify_tree_changed
 
 from ...registry import register_class
@@ -19,6 +21,7 @@ from ..slice import Pather, slice_at_range, SlicePaths
 from ...infra.blender.blender_mesh_capture import SlicingCollection, SlicingObject, capture_mesh_edges, SlicingGroup
 from ...infra.blender.blender_bridge import get_all_children
 from ...infra.blender.blender_slice_nodes_generic import SliceNode, resolve_input
+from ...infra.prusaslicer_profiles import ConfigWriter
 from ...infra.prusaslicer_profiles.cache import LocalCache
 from ...infra.prusaslicer_profiles.models import Profile
 from ...infra.networking.airtable_backend import AirtableRecord
@@ -968,7 +971,6 @@ class SLICENODE_PrinterList(SliceNode):
 @register_class
 class SLICENODE_GcodeToFile(ExecSliceNode):
     bl_label = "Gcode To File"
-
     button_label = "Generate File"
 
     def init(self, context):
@@ -976,17 +978,49 @@ class SLICENODE_GcodeToFile(ExecSliceNode):
         self.add_input("SLICESOCK_Gcode")
         self.add_input("SLICESOCK_FilePath", "Filename")
 
+    def draw_buttons(self, context, layout):
+        super().draw_buttons(context, layout)
+
     def evaluate(self, operator=None):
+        from ...infra.networking.bgcode import convert_to_bgcode
+        from pathlib import Path
+
         gcode: str = resolve_input(self.inputs.get("Gcode"))
         filename: str = resolve_input(self.inputs.get("Filename"))
+        if not gcode:
+            if operator: operator.report({'ERROR'}, "No Gcode to save")
+            return 'error'
+        if not filename:
+            if operator: operator.report({'ERROR'}, "No Filename provided")
+            return 'error'
 
-        filepath = bpy.path.abspath(filename)
+        # User's requested logic: .split('.')[0]
-        os.makedirs(os.path.dirname(filepath) or ".", exist_ok=True)
+        filepath_abs = bpy.path.abspath(filename)
+        dirname = os.path.dirname(filepath_abs)
+        basename = os.path.basename(filepath_abs)
+        name_part = basename.split('.')[0]
+        os.makedirs(dirname, exist_ok=True)
 
-        with open(filepath, "w", encoding="utf-8", newline="\n") as f:
+        # Detect binary trigger in gcode comments
-            f.write(gcode)
+        # Looking for "; binary_gcode = 1"
+        is_binary = "; binary_gcode = 1" in gcode
 
-        return 'ok'
+        try:
+            if is_binary:
+                filepath = os.path.join(dirname, name_part + ".bgcode")
+                content = convert_to_bgcode(gcode, name_part, True)
+                with open(filepath, "wb") as f:
+                    f.write(content)
+                if operator: operator.report({'INFO'}, f"Binary G-code generated at {filepath}")
+            else:
+                filepath = os.path.join(dirname, name_part + ".gcode")
+                with open(filepath, "w", encoding="utf-8", newline="\n") as f:
+                    f.write(gcode)
+                if operator: operator.report({'INFO'}, f"G-code saved to {filepath}")
+            return 'ok'
+        except Exception as e:
+            if operator: operator.report({'ERROR'}, str(e))
+            return 'error'
 
 @register_class
 class SLICENODE_GcodeToTextBlock(ExecSliceNode):
@@ -1147,12 +1181,19 @@ class ExecSliceNode_DatabaseSubmit(ExecSliceNode):
         return gcode, filename, fields
 
     def evaluate(self, operator=None):
+        from ...infra.networking.bgcode import convert_to_bgcode
         import tempfile
         import os
         from pathlib import Path
 
         gcode, filename, fields = self._prepare_submission(operator)
         if not gcode: return 'error'
+
+        # Detect binary trigger in gcode comments
+        is_binary = "; binary_gcode = 1" in gcode
+        
+        name_part = filename.split('.')[0]
+        filename = name_part + ".bgcode" if is_binary else ".gcode"
         
         token_path = getattr(self, self._token_prop_name, "")
         token = ""
@@ -1172,10 +1213,16 @@ class ExecSliceNode_DatabaseSubmit(ExecSliceNode):
 
         temp_dir = tempfile.TemporaryDirectory()
         temp_path = Path(temp_dir.name) / filename
-        with open(temp_path, 'w', encoding='utf-8') as f:
-            f.write(gcode)
 
         try:
+            if is_binary:
+                content = convert_to_bgcode(gcode, name_part, True)
+                with open(temp_path, "wb") as f:
+                    f.write(content)
+            else:
+                with open(temp_path, 'w', encoding='utf-8') as f:
+                    f.write(gcode)
+
             record_id = self._submit_to_db(token, fields, temp_path)
             if operator: operator.report({'INFO'}, f"Submitted to {self._db_name} (Record: {record_id})")
             return 'ok'
@@ -1340,16 +1387,18 @@ class SLICENODE_PrusaslicerSlice(ExecSliceNode):
         # Prepare overrides for generate_conf_writer
         # The format expected by generate_conf_writer is overrides={'key': {'value': 'val'}}
         writer_overrides = {k: {'value': v} for k, v in overrides.items()}
-        writer_overrides['binary_gcode'] = {'value': '0'}
 
         # Generate the ConfigWriter
-        conf_writer = cache.generate_conf_writer(
+        conf_writer: ConfigWriter = cache.generate_conf_writer(
             printer_id, 
             filament_ids, 
             print_id, 
             overrides=writer_overrides
         )
 
+        binary_gcode_value = conf_writer.config_dict['binary_gcode']
+        conf_writer.config_dict['binary_gcode'] = '0'
+
         # Prepare 3mf path
         temp_dir = Path(tempfile.gettempdir())
         output_path = temp_dir / f"tmp.3mf"
@@ -1397,6 +1446,7 @@ class SLICENODE_PrusaslicerSlice(ExecSliceNode):
             if gcode_path.exists():
                 with open(gcode_path, 'r', encoding='utf-8') as f:
                     self.gcode_result = f.read()
+                self.gcode_result += f"\n; binary_gcode = {binary_gcode_value}\n"
 
                 output_path.unlink()
                 

doc/NODES.md

@@ -74,6 +74,7 @@ All nodes are found in the **Add (Shift+A)** menu under the **SliceNodes** categ
     - **Header**: Toggles the generation of standard NodeSlicer G-code headers and units setup.
 - **Load Gcode**: Reads a G-code file from disk.
 - **Gcode to File**: Writes G-code string to a file on disk.
+    - **Automatic Binary Conversion**: If the G-code contains the comment `; binary_gcode = 1`, the node automatically converts the output to Prusa's binary G-code format (`.bgcode`) using MeatPack encoding and Heatshrink compression.
 - **Baserow Submit**: Sends G-code and metadata to a Baserow database.
     - **Host**: Baserow host URL.
     - **Token File**: Path to a file containing the Baserow API token.

infra/networking/bgcode.py

@@ -0,0 +1,41 @@
+import os
+import subprocess
+import tempfile
+import shutil
+from pathlib import Path
+
+def convert_to_bgcode(gcode: str, name_part: str, compress: bool = True) -> bytes:
+    """
+    Converts a G-code string to binary BGCode using the internal bgcode tool.
+    Returns the binary content of the converted file.
+    """
+    addon_dir = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
+    bgcode_bin = os.path.join(addon_dir, "infra", "bin", "bgcode")
+    
+    if not os.path.exists(bgcode_bin):
+        raise FileNotFoundError(f"bgcode binary not found at {bgcode_bin}")
+
+    with tempfile.TemporaryDirectory() as tmpdir:
+        tmp_gcode = Path(tmpdir) / (name_part + ".gcode")
+        tmp_gcode.write_text(gcode, encoding="utf-8")
+        
+        # Run conversion: bgcode <input>
+        cmd = [bgcode_bin, str(tmp_gcode)]
+        if compress:
+            # Recommended settings for true binary bgcode
+            cmd.extend([
+                "--slicer_metadata_compression=1",
+                "--gcode_compression=3", 
+                "--gcode_encoding=2"
+            ])
+
+        res = subprocess.run(cmd, capture_output=True, text=True)
+        if res.returncode != 0:
+            err_msg = res.stderr.strip() or res.stdout.strip() or "Unknown error"
+            raise RuntimeError(f"bgcode conversion failed: {err_msg}")
+        
+        tmp_bgcode = tmp_gcode.with_suffix(".bgcode")
+        if tmp_bgcode.exists():
+            return tmp_bgcode.read_bytes()
+        else:
+            raise FileNotFoundError("Failed to find generated .bgcode file")

test.gcode

@@ -0,0 +1,4 @@
+; printer_model = MK3S
+; printer_notes = 
+; total filament used [g] = 0
+G1 X10