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import json
import os
from collections.abc import MutableMapping
from .paths import get_user_dir
# These settings are the defaults for SVG metadata settings of the same name in
# lib.extensions.base.InkstitchMetadata
DEFAULT_METADATA = {
"min_stitch_len_mm": 0.1,
"collapse_len_mm": 3,
}
DEFAULT_SETTINGS = {
# Ink/Stitch preferences
"cache_size": 100,
"pop_out_simulator": False,
# simulator
"simulator_adaptive_speed": True,
"simulator_speed": 16,
"simulator_line_width": 0.1,
"simulator_npp_size": 0.5,
"npp_button_status": False,
"jump_button_status": False,
"trim_button_status": False,
"stop_button_status": False,
"color_change_button_status": False,
"toggle_page_button_status": True,
"display_crosshair": True,
# apply palette
"last_applied_palette": "",
# sew stack editor
"stitch_layer_editor_sash_position": -200,
# lettering (all lettering applications)
"last_font": "Ink/Stitch Small Font",
# lettering
"lettering_align_text": 0,
"lettering_trim_option": 0,
"lettering_use_command_symbols": False,
# font sampling
"font_sampling_max_line_width": 180,
"font_sampling_scale_spinner": 100
}
class GlobalSettings(MutableMapping):
def __init__(self):
super().__init__()
# We set create=False here because this code is executed on module load
# and via imports also runs on generate-inx-files, which with the Nix
# package manager is executed with a non-writable home directory.
user_dir = get_user_dir(create=False)
self._settings_file = os.path.join(user_dir, "settings.json")
self._settings = {}
for name, value in DEFAULT_METADATA.items():
self._settings[f"default_{name}"] = value
self._settings.update(DEFAULT_SETTINGS)
try:
with open(self._settings_file, 'r') as settings_file:
self._settings.update(json.load(settings_file))
except (OSError, json.JSONDecodeError, ValueError):
pass
def __setitem__(self, item, value):
self._settings[item] = value
try:
with open(self._settings_file, 'w') as settings_file:
json.dump(self._settings, settings_file)
except FileNotFoundError:
pass
def __getitem__(self, item):
return self._settings[item]
def __delitem__(self, item):
del self._settings[item]
def __iter__(self):
return iter(self._settings)
def __len__(self):
return len(self._settings)
def __json__(self):
return self._settings
global_settings = GlobalSettings()
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