Open File Browser - InkScape Extension to show current SVG document in Nemo, Explorer, Finder ...

open_filebrowser.inx

<?xml version="1.0" encoding="UTF-8"?>
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
  <name>Open File Browser</name>
  <id>org.inkscape.effect.open_filebrowser</id>

  <effect>
    <object-type>all</object-type>
    <effects-menu>
      <submenu name="Document"/>
    </effects-menu>
  </effect>

  <script>
    <command location="inx" interpreter="python">open_filebrowser.py</command>
  </script>
</inkscape-extension>

open_filebrowser.py

"""
Open File Browser - Inkscape Effect Extension
Tries opening up system file browser with current SVG document file selected.
"""

import sys
import subprocess
from pathlib import Path

import inkex


class OpenFileBrowser(inkex.EffectExtension):
    def effect(self):
        document_path = Path(self.document_path())
        if not document_path.is_file():
            inkex.errormsg(
                f"Source file not found: {document_path}\nSave the document first!"
            )
            return

        if sys.platform == "win32":
            win_shell_open(document_path)
            return

        if sys.platform == "darwin":
            mac_show_in_finder(document_path)
            return

        if sys.platform == "linux":
            linux_show_in_filemanager(document_path)


def win_shell_open(path: Path):
    """On Windows make use of `SHOpenFolderAndSelectItems` to open existing
    Explorer window if any or open a fresh one.
    Faster and resource friendly.
    """

    import ctypes

    if not isinstance(path, str):
        path = str(path)

    shell32 = ctypes.windll.shell32
    ole32 = ctypes.windll.ole32

    # CRITICAL: declare types or ctypes truncates 64-bit pointers to 32-bit
    shell32.ILCreateFromPathW.restype = ctypes.c_void_p
    shell32.ILCreateFromPathW.argtypes = [ctypes.c_wchar_p]

    shell32.ILFree.restype = None
    shell32.ILFree.argtypes = [ctypes.c_void_p]

    shell32.SHOpenFolderAndSelectItems.restype = ctypes.HRESULT
    shell32.SHOpenFolderAndSelectItems.argtypes = [
        ctypes.c_void_p,
        ctypes.c_uint,
        ctypes.c_void_p,
        ctypes.c_ulong,
    ]

    h_init: int = ole32.CoInitialize(None)
    pidl: int | None = None

    try:
        pidl = shell32.ILCreateFromPathW(str(path))
        if not pidl:
            raise ctypes.WinError()

        h_result: int = shell32.SHOpenFolderAndSelectItems(pidl, 0, None, 0)
        if h_result:
            raise ctypes.WinError(h_result)
    finally:
        if pidl:
            shell32.ILFree(pidl)
        if not h_init:
            ole32.CoUninitialize()


def linux_show_in_filemanager(path: Path) -> bool:
    """Try D-Bus FileManager1 first (Nemo, Nautilus, Dolphin...),
    fall back to `xdg-open` on parent folder.
    """
    uri: str = path.as_uri()
    try:
        subprocess.run(
            [
                "dbus-send",
                "--session",
                "--dest=org.freedesktop.FileManager1",
                "--type=method_call",
                "/org/freedesktop/FileManager1",
                "org.freedesktop.FileManager1.ShowItems",
                f"array:string:{uri}",
                "string:",
            ],
            check=True,
            timeout=3,
        )
        return True

    except (
        subprocess.CalledProcessError,
        FileNotFoundError,
        subprocess.TimeoutExpired,
    ):
        # dbus-send not available, or no FileManager1 service running
        subprocess.Popen(['xdg-open', str(path.parent)], start_new_session=True)
        return False


def mac_show_in_finder(path: Path) -> None:
    script = f'tell application "Finder" to reveal POSIX file "{path}"'
    subprocess.Popen(["osascript", "-e", script], start_new_session=True)


if __name__ == '__main__':
    OpenFileBrowser().run()

org.inkscape.effect.open_filebrowser.svg