install custom palette extension (#1171)

1 files changed, 42 insertions, 0 deletions

diff --git a/lib/extensions/install_custom_palette.py b/lib/extensions/install_custom_palette.py
new file mode 100644
index 00000000..da546cad
--- /dev/null
+++ b/lib/extensions/install_custom_palette.py
@@ -0,0 +1,42 @@
+# Authors: see git history
+#
+# Copyright (c) 2021 Authors
+# Licensed under the GNU GPL version 3.0 or later.  See the file LICENSE for details.
+
+import os
+import shutil
+
+import inkex
+
+from ..i18n import _
+from ..utils import guess_inkscape_config_path
+from .base import InkstitchExtension
+
+
+class InstallCustomPalette(InkstitchExtension):
+    def __init__(self, *args, **kwargs):
+        InkstitchExtension.__init__(self, *args, **kwargs)
+        self.arg_parser.add_argument("-f", "--filepath", type=str, default="", dest="filepath")
+
+    def effect(self):
+        gpl = self.options.filepath
+        if not os.path.isfile(gpl):
+            inkex.errormsg(_("File does not exist."))
+
+        palette_name = os.path.basename(gpl)
+        if not palette_name.endswith('.gpl'):
+            inkex.errormsg(_("Wrong file type. Ink/Stitch only accepts gpl color palettes."))
+
+        if not palette_name.startswith('InkStitch'):
+            palette_name = 'InkStitch %s' % palette_name
+
+        palette_path = os.path.join(guess_inkscape_config_path(), 'palettes')
+
+        if not os.path.isdir(palette_path):
+            inkex.errormsg(_("Ink/Stitch cannot find your palette folder automatically. Please install your palette manually."))
+        dest = os.path.join(palette_path, palette_name)
+        shutil.copyfile(gpl,  dest)
+
+        if not os.path.isfile(dest):
+            inkex.errormsg("Something wwent wrong. Ink/Stitch wasn't able to copy your palette "
+                           "file into the Inkscape palettes folder. Please do it manually.")