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db6129d356
334
k2t.py
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334
k2t.py
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from typing import Self, Type, Any
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import tomllib
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from dataclasses import dataclass, fields
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from xml.etree import ElementTree
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@dataclass(slots=True)
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class Entry:
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name: str
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source: str | None
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frame_color: str | None
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fill_color: str | None
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members: list | None = None
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expanded: bool = False
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dither_pattern: str = 'C1'
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line_style: str = 'C0'
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frame_brightness: int = 0
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fill_brightness: int = 0
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width: int = 1
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animation: int = 0
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valid: bool = True
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visible: bool = True
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transparent: bool = False
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marked: bool = False
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xfill: bool = False
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@classmethod
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def from_xml(cls: Type[Self], el: ElementTree.Element) -> Self:
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assert el.tag in ('properties', 'group-members')
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members = []
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args: dict[str, Any] = {
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'frame_color': None,
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'fill_color': None,
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'source': None,
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}
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for child in el:
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if not child.text:
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continue
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tag = child.tag
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dtag = tag.replace('-', '_')
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if tag in ('frame-color', 'fill-color'):
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args[dtag] = child.text[1:]
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elif tag in ('dither-pattern', 'line-style', 'source', 'name'):
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args[dtag] = child.text
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elif tag in ('valid', 'visible', 'transparent', 'marked', 'xfill', 'expanded'):
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val = {
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'false': False,
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'true': True,
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}[child.text.lower()]
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args[tag] = val
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elif tag in ('frame-brightness', 'fill-brightness', 'width', 'animation'):
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args[dtag] = int(child.text)
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elif tag == 'group-members':
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members.append(Entry.from_xml(child))
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else:
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raise Exception(f'Unexpected tag: {child.tag}')
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if not members:
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members = None
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return cls(members=members, **args)
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def to_xml(self, is_member: bool = False) -> ElementTree.Element:
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main_tag = 'group-members' if is_member else 'properties'
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el = ElementTree.Element(main_tag)
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for field in fields(self):
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val = getattr(self, field.name)
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if val is None or field.name == 'members':
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continue
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if (val == field.default
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and (field not in ('dither-pattern', 'line-style')
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or self.source is None
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)):
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continue
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tag = field.name.replace('_', '-')
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if tag in ('frame-color', 'fill-color'):
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val = '#' + val
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if not isinstance(val, str):
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val = str(val).lower()
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el2 = ElementTree.Element(tag)
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el2.text = val
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el.append(el2)
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if self.members:
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for member in self.members:
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el.append(member.to_xml(is_member=True))
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return el
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def to_toml(self, depth: int = 0) -> str:
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parts = ('layers',) + ('members',) * depth
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s = '[[' + '.'.join(parts) + ']]\n'
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for field in fields(self):
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val = getattr(self, field.name)
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if val == field.default or val is None:
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continue
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if isinstance(val, str):
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vstr = '"' + toml_escape(val) + '"'
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elif isinstance(val, bool):
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vstr = str(val).lower()
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elif isinstance(val, int):
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vstr = str(val)
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key = field.name.replace('_', '-')
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s += f'{key} = {vstr}\n'
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s += '\n'
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if self.members:
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for member in self.members:
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s += member.to_toml(depth + 1)
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return s
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@classmethod
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def from_toml(cls: Type[Self], tree: dict) -> Self:
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members = []
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args: dict[str, Any] = {
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'frame_color': None,
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'fill_color': None,
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'source': None,
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}
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for key, val in tree.items():
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if key != 'members':
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args[key.replace('-', '_')] = val
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if 'members' in tree:
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for child in tree['members']:
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members.append(Entry.from_toml(child))
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if not members:
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members = None
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return cls(members=members, **args)
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@dataclass(slots=True)
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class Pattern:
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pattern: str # 2D, Nx8 or Nx16 or Nx32
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name: str | None = None
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order: int | None = None
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@classmethod
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def from_xml(cls: Type[Self], el: ElementTree.Element) -> Self:
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assert el.tag == 'custom-dither-pattern'
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lines = []
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args: dict[str, Any] = {}
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for child in el:
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if not child.text:
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continue
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tag = child.tag
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if tag == 'name':
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args[tag] = child.text
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elif tag == 'order':
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args[tag] = int(child.text)
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elif tag == 'pattern':
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for line in child:
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assert line.tag == 'line'
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assert line.text is not None
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lines.append(line.text)
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else:
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raise Exception(f'Unexpected tag: {tag}')
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if not lines:
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raise Exception('No pattern found in custom-dither-pattern!')
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pattern = '\n'.join(lines)
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return cls(pattern=pattern, **args)
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def to_xml(self) -> ElementTree.Element:
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el = ElementTree.Element('custom-dither-pattern')
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if self.name is not None:
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el2 = ElementTree.Element('name')
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el2.text = self.name
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el.append(el2)
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if self.order is not None:
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el2 = ElementTree.Element('order')
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el2.text = str(self.order)
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el.append(el2)
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pat = ElementTree.Element('pattern')
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for line in self.pattern.strip().split('\n'):
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el2 = ElementTree.Element('line')
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el2.text = line
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pat.append(el2)
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el.append(pat)
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return el
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def to_toml(self) -> str:
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s = '[[patterns]]\n'
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if self.name is not None:
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s += f'name = "{toml_escape(self.name)}"\n'
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if self.order is not None:
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s += f'order = {self.order}\n'
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s += 'pattern = """\n'
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s += self.pattern + '"""\n\n'
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return s
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@classmethod
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def from_toml(cls: Type[Self], tree: dict) -> Self:
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lines = tree['pattern'].split('\n')
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n_px = len(lines[0])
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assert all(len(line) == n_px for line in lines[1:])
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return cls(**tree)
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@dataclass(slots=True)
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class LineStyle:
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pattern: str # 1D, up to 32 values
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name: str | None = None
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order: int | None = None
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@classmethod
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def from_xml(cls: Type[Self], el: ElementTree.Element) -> Self:
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assert el.tag == 'custom-line-style'
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args: dict[str, Any] = {}
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for child in el:
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if not child.text:
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continue
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tag = child.tag
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if tag in ('name', 'pattern'):
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args[tag] = child.text
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elif tag == 'order':
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args[tag] = int(child.text)
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else:
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raise Exception(f'Unexpected tag: {tag}')
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return cls(**args)
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def to_xml(self) -> ElementTree.Element:
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el = ElementTree.Element('custom-line-style')
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if self.name is not None:
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el2 = ElementTree.Element('name')
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el2.text = self.name
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el.append(el2)
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if self.order is not None:
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el2 = ElementTree.Element('order')
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el2.text = str(self.order)
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el.append(el2)
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el2 = ElementTree.Element('pattern')
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el2.text = self.pattern
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el.append(el2)
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return el
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def to_toml(self) -> str:
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s = '[[linestyles]]\n'
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if self.name is not None:
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s += f'name = "{toml_escape(self.name)}"\n'
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if self.order is not None:
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s += f'order = {self.order}\n'
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s += f'pattern = "{self.pattern}"\n\n'
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return s
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@classmethod
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def from_toml(cls: Type[Self], tree: dict) -> Self:
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assert len(tree['pattern']) <= 32
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return cls(**tree)
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def k2t(kfile: str, tfile: str) -> None:
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tree = ElementTree.parse(kfile)
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root = tree.getroot()
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assert root.tag == 'layer-properties'
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name = None
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entries = []
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patterns = []
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linestyles = []
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for child in root:
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if child.tag == 'custom-dither-pattern':
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patterns.append(Pattern.from_xml(child))
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elif child.tag == 'custom-line-style':
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linestyles.append(LineStyle.from_xml(child))
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elif child.tag == 'properties':
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entries.append(Entry.from_xml(child))
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elif child.tag == 'name':
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name = child.text
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else:
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raise Exception(f'Unexpected tag: {child.tag}')
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if name is not None:
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print(f'Discarding tab name: {name}')
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with open(tfile, 'wt') as ff:
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for entry in entries:
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ff.write(entry.to_toml())
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for pattern in patterns:
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ff.write(pattern.to_toml())
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for linestyle in linestyles:
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ff.write(linestyle.to_toml())
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def t2k(tfile: str, kfile: str) -> None:
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root = ElementTree.Element('layer-properties')
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with open(tfile, 'rb') as ff:
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ttree = tomllib.load(ff)
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entries = [Entry.from_toml(entry)
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for entry in ttree['layers']]
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patterns = [Pattern.from_toml(pat)
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for pat in ttree['patterns']]
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linestyles = [LineStyle.from_toml(ls)
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for ls in ttree['linestyles']]
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for entry in entries:
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root.append(entry.to_xml())
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for pattern in patterns:
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root.append(pattern.to_xml())
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for linestyle in linestyles:
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root.append(linestyle.to_xml())
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ktree = ElementTree.ElementTree(root)
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ElementTree.indent(ktree)
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ktree.write(kfile)
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def toml_escape(string: str) -> str:
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return string.replace('\\', '\\\\').replace('"', '\\"')
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