1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
"""Helpers for theme-studio's captured Emacs default face snapshot."""
from __future__ import annotations
import json
import pathlib
from typing import Any
from face_specs import FACE_ATTRS
class DefaultFaces:
def __init__(self, data: dict[str, Any] | None):
self.data = data
self.color_hex = self._build_color_hex()
self.color_names = self._build_color_names()
@classmethod
def from_path(cls, path: str | pathlib.Path) -> "DefaultFaces":
path = pathlib.Path(path)
if not path.exists():
return cls(None)
return cls(json.loads(path.read_text()))
@property
def available(self) -> bool:
return bool(self.data)
def face(self, face: str, effective: bool = True) -> dict[str, Any]:
if not self.data:
return {}
data = self.data.get("faces", {}).get(face, {})
block = "effectiveGuiLight" if effective else "chosenGuiLight"
return data.get(block, {}) or {}
def color(self, face: str, attr: str = "foreground", effective: bool = True) -> Any:
data = self.face(face, effective)
return data.get(attr + "Hex") or data.get(attr)
def _seed_value(self, attr: dict[str, Any], data: dict[str, Any]) -> Any:
"""Turn a snapshot field into a model value per the attribute's kind.
The snapshot speaks a different dialect than the model: colors carry a
Hex variant with a name fallback; weight/slant are value-narrowed to the
legacy bold/italic until the snapshot refresh; underline/strike/overline
are truthy flags that become objects; inverse/extend coerce Emacs's "t".
Returns None (skip) when the attribute is unset or not seedable.
"""
kind, snap = attr["kind"], attr["snapshot"]
if not kind:
return None
if kind == "color":
return data.get(snap + "Hex") or data.get(snap)
if kind == "weight-bold":
return "bold" if data.get(snap) == "bold" else None
if kind == "slant-italic":
return "italic" if data.get(snap) == "italic" else None
if kind == "underline-obj":
return {"style": "line", "color": None} if data.get(snap) else None
if kind == "color-obj":
return {"color": None} if data.get(snap) else None
if kind == "bool":
return True if data.get(snap) in (True, "t") else None
if kind == "scalar":
return data.get(snap) or None
if kind == "height":
h = data.get(snap)
return h if (h and h != 1) else None
if kind == "box":
return self.box_to_theme(data.get(snap))
return None
def seed(self, face: str, effective: bool = False) -> dict[str, Any]:
data = self.face(face, effective)
out: dict[str, Any] = {}
for attr in FACE_ATTRS:
v = self._seed_value(attr, data)
if v:
out[attr["model"]] = v
return out
def box_to_theme(self, box: Any) -> dict[str, Any] | None:
if not box:
return None
if isinstance(box, dict):
return box
if not isinstance(box, list):
return None
vals = {}
i = 0
while i + 1 < len(box):
vals[box[i]] = box[i + 1]
i += 2
width = vals.get(":line-width", 1)
if isinstance(width, list) and width and width[0] == "cons":
width = width[1]
if isinstance(width, (int, float)):
width = abs(int(width)) or 1
else:
width = 1
color = vals.get(":color")
if color:
color = self.color_hex.get(str(color).lower().replace(" ", ""), color)
style = vals.get(":style")
if style == "released-button":
return {"style": "released", "width": width, "color": None}
if style == "pressed-button":
return {"style": "pressed", "width": width, "color": None}
return {"style": "line", "width": width, "color": color}
def label(self, value: str | None, fallback: str) -> str:
if not value:
return fallback
return self.color_names.get(str(value).lower(), fallback)
def summary(self) -> dict[str, Any]:
if not self.data:
return {}
inventory = self.data.get("package-inventory", {})
package_faces = sorted({face for faces in inventory.values() for face in faces})
package_inherits = {
face: self.seed(face).get("inherit")
for face in package_faces
if self.seed(face).get("inherit")
}
ui_faces = self.data.get("ui-faces", [])
return {
"emacsVersion": self.data.get("meta", {}).get("emacs-version"),
"default": {
"foreground": self.color("default", "foreground"),
"background": self.color("default", "background"),
},
"faceCount": len(self.data.get("faces", {})),
"packageFaceCount": len(package_faces),
"packageUnresolvedFaceCount": self.data.get("meta", {}).get("package-unresolved-face-count", 0),
"uiOwnSeeds": {face: self.seed(face) for face in ui_faces if self.seed(face)},
"packageInherits": package_inherits,
}
def _iter_color_pairs(self):
"""Yield (name, hexValue) over every face's chosen/effective color attrs.
Both color maps walk this same nested structure; they differ only in which
of the pair is the key and how each filters."""
if not self.data:
return
for data in self.data.get("faces", {}).values():
for block in ("chosenGuiLight", "effectiveGuiLight"):
face_data = data.get(block, {}) or {}
for attr in ("foreground", "background", "distantForeground"):
yield face_data.get(attr), face_data.get(attr + "Hex")
def _build_color_hex(self) -> dict[str, str]:
out: dict[str, str] = {}
for name, hex_value in self._iter_color_pairs():
if name and hex_value:
out[str(name).lower().replace(" ", "")] = hex_value
return out
def _build_color_names(self) -> dict[str, str]:
out: dict[str, str] = {}
for name, hex_value in self._iter_color_pairs():
if hex_value and name and not str(name).startswith("#"):
out.setdefault(hex_value.lower(), str(name).lower().replace(" ", "-"))
return out
def changed_summary(before: dict[str, Any], after: dict[str, Any]) -> dict[str, Any]:
changed = {}
for key in sorted(set(before) | set(after)):
if before.get(key) != after.get(key):
changed[key] = {"before": before.get(key), "after": after.get(key)}
return changed
|
