49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
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# Sphinx extension to integrate IDF build system information
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# into the Sphinx Build
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#
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# Runs early in the Sphinx process, runs CMake to generate the dummy IDF project
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# in this directory - including resolving paths, etc.
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#
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# Then emits the new 'idf-info' event which has information read from IDF
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# build system, that other extensions can use to generate relevant data.
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import os.path
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import sys
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import subprocess
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import json
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# this directory also contains the dummy IDF project
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project_path = os.path.abspath(os.path.dirname(__file__))
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project_build_dir = os.path.join(project_path, "build")
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def setup(app):
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builddir = os.path.dirname(app.doctreedir.rstrip(os.sep))
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app.add_config_value('idf_path', os.environ.get("IDF_PATH", ""), 'env')
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app.add_config_value('idf_target', 'esp32', 'env')
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app.add_event('idf-info')
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# Attaching the generate event to env-get-outdated is a bit of a hack,
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# we want this to run early in the docs build but unclear exactly when
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app.connect('env-get-outdated', generate_idf_info)
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def generate_idf_info(app, env, added, changed, removed):
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print("Running CMake on dummy project to get build info...")
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idf_py_path = os.path.join(app.config.idf_path, "tools", "idf.py")
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print("Running idf.py...")
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subprocess.check_call([sys.executable,
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idf_py_path,
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"-C",
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project_path,
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"set-target",
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app.config.idf_target])
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# TODO: can call these in one execution pass?
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subprocess.check_call([sys.executable,
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idf_py_path,
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"-C",
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project_path,
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"reconfigure"])
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with open(os.path.join(project_build_dir, "project_description.json")) as f:
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project_description = json.load(f)
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app.emit('idf-info', project_description)
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return []
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