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85b61e1e43
DTS modules (device modules) often have a single source file with an empty `struct Module`. The module's yaml file now allows a `dts-only` boolean to be set, so the source file becomes optional. `devicetree.yaml` is renamed everywhere to `module.yaml`
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
from dataclasses import dataclass, field
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import yaml
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import os
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from .exception import DevicetreeException
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@dataclass
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class DeviceTreeConfig:
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dependencies: list[str] = field(default_factory=list)
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bindings: list[str] = field(default_factory=list)
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dts: str = ""
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dts_only: bool = False
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def parse_config(file_path: str, project_root: str) -> DeviceTreeConfig:
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"""
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Parses module.yaml and recursively finds dependencies.
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Returns a list of DeviceTreeConfig objects in post-order (dependencies first).
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"""
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config = DeviceTreeConfig([], [], "")
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visited = set()
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def _parse_recursive(current_path: str, is_root: bool):
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abs_path = os.path.abspath(current_path)
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if abs_path in visited:
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return
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visited.add(abs_path)
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# Try to see if it's a directory and contains module.yaml
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if os.path.isdir(abs_path):
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abs_path = os.path.join(abs_path, "module.yaml")
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with open(abs_path, 'r') as f:
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data = yaml.safe_load(f) or {}
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# Handle dependencies before adding current config (post-order)
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deps = data.get("dependencies", [])
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for dep in deps:
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# Dependencies are relative to project_root
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dep_path = os.path.join(project_root, dep)
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_parse_recursive(dep_path, False)
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if is_root:
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config.dependencies += deps
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dts_path = data.get("dts", "")
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config.dts = os.path.join(current_path, dts_path)
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dts_only = data.get("dts-only", False)
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if not isinstance(dts_only, bool):
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raise DevicetreeException(f"'dts-only' must be a boolean, got {dts_only!r}")
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config.dts_only = dts_only
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bindings = data.get("bindings", "")
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if bindings:
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bindings_resolved = os.path.join(current_path, bindings)
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config.bindings.append(bindings_resolved)
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_parse_recursive(file_path, True)
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return config
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