Add content CLI

tools/content/jsonfile.py

@@ -0,0 +1,70 @@
+import json
+from pathlib import Path
+
+PROJECT_ROOT = Path(__file__).resolve().parents[2]
+CONTENT_DIR = PROJECT_ROOT / "content"
+INLINE_LIST_MAX_LENGTH = 80
+INDENT = "\t"
+
+
+def content_path(name: str) -> Path:
+    return CONTENT_DIR / name
+
+
+def load(name: str):
+    with content_path(name).open(encoding="utf-8") as file:
+        return json.load(file)
+
+
+def save(name: str, data) -> None:
+    text = format_value(data, 0) + "\n"
+    content_path(name).write_text(text, encoding="utf-8")
+
+
+def is_primitive(value) -> bool:
+    return not isinstance(value, (dict, list))
+
+
+def encode(value) -> str:
+    return json.dumps(value, ensure_ascii=False)
+
+
+def format_inline_dict(data: dict) -> str:
+    if not data:
+        return "{}"
+    pairs = ", ".join(f"{encode(key)}: {format_value(value, 0)}" for key, value in data.items())
+    return "{ " + pairs + " }"
+
+
+def format_inline_list(items: list) -> str:
+    return "[" + ", ".join(encode(item) for item in items) + "]"
+
+
+def format_value(value, depth: int) -> str:
+    if isinstance(value, dict):
+        return format_dict(value, depth)
+    if isinstance(value, list):
+        return format_list(value, depth)
+    return encode(value)
+
+
+def format_dict(data: dict, depth: int) -> str:
+    if depth > 0 and all(is_primitive(value) or is_short_primitive_list(value) for value in data.values()):
+        return format_inline_dict(data)
+    inner_indent = INDENT * (depth + 1)
+    lines = [f"{inner_indent}{encode(key)}: {format_value(value, depth + 1)}" for key, value in data.items()]
+    return "{\n" + ",\n".join(lines) + "\n" + INDENT * depth + "}"
+
+
+def is_short_primitive_list(value) -> bool:
+    return isinstance(value, list) and all(is_primitive(item) for item in value) and len(format_inline_list(value)) <= INLINE_LIST_MAX_LENGTH
+
+
+def format_list(items: list, depth: int) -> str:
+    if not items:
+        return "[]"
+    if is_short_primitive_list(items):
+        return format_inline_list(items)
+    inner_indent = INDENT * (depth + 1)
+    lines = [f"{inner_indent}{format_value(item, depth + 1)}" for item in items]
+    return "[\n" + ",\n".join(lines) + "\n" + INDENT * depth + "]"