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Improve error message when opening binary file in Get Colors dialog

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This commit is contained in:
Isaiah Odhner 2023-07-20 16:37:05 -04:00
parent 288774aeaa
commit 6864790efb
1 changed files with 13 additions and 1 deletions
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14
src/textual_paint/paint.py
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@ -3519,13 +3519,23 @@ class PaintApp(App[None]):
self.query_one(ColorsBox).update_palette()
def action_get_colors(self) -> None:
"""Show a dialog to select a palette file to load."""
def handle_selected_file_path(file_path: str) -> None:
try:
with open(file_path, "r", encoding="utf-8") as f:
self.load_palette(f.read())
except UnicodeDecodeError:
self.message_box(_("Open"), file_path + "\n" + _("Paint cannot read this file.") + "\n" + _("Unexpected file format."), "ok")
# Extra detail because PAL files are not yet supported,
# and would trigger this error if you try to open them.
self.message_box(
_("Open"),
file_path + "\n" +
_("Paint cannot read this file.") + "\n" +
_("Unexpected file format.") + "\n" +
_("Only GIMP Palette files (*.gpl) are supported for now."),
"ok"
)
except FileNotFoundError:
self.message_box(_("Open"), file_path + "\n" + _("File not found.") + "\n" + _("Please verify that the correct path and file name are given."), "ok")
except IsADirectoryError:
@ -3546,6 +3556,8 @@ class PaintApp(App[None]):
self.mount(window)
def action_save_colors(self) -> None:
"""Show a dialog to save the current palette to a file."""
def handle_selected_file_path(file_path: str) -> None:
color_lines: list[str] = []
for color_str in palette: