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https://github.com/espressif/esp-idf.git
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2c03d2cc4e
Fixes some problems with CMake errors in stale builds, and of sdkconfig file being shared between parallel jobs.
90 lines
3.3 KiB
Python
90 lines
3.3 KiB
Python
# 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 shutil
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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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def setup(app):
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# Setup some common paths
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try:
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build_dir = os.environ["BUILDDIR"] # TODO see if we can remove this
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except KeyError:
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build_dir = os.path.dirname(app.doctreedir.rstrip(os.sep))
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try:
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os.mkdir(build_dir)
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except OSError:
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pass
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try:
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os.mkdir(os.path.join(build_dir, 'inc'))
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except OSError:
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pass
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# Fill in a default IDF_PATH if it's missing (ie when Read The Docs is building the docs)
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try:
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idf_path = os.environ['IDF_PATH']
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except KeyError:
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idf_path = os.path.realpath(os.path.join(os.path.dirname(__file__), '..'))
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app.add_config_value('docs_root', os.path.join(idf_path, "docs"), 'env')
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app.add_config_value('idf_path', idf_path, 'env')
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app.add_config_value('build_dir', build_dir, 'env') # not actually an IDF thing
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app.add_event('idf-info')
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# we want this to run early in the docs build but unclear exactly when
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app.connect('config-inited', generate_idf_info)
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return {'parallel_read_safe': True, 'parallel_write_safe': True, 'version': '0.1'}
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def generate_idf_info(app, config):
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print("Running CMake on dummy project to get build info...")
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build_dir = os.path.dirname(app.doctreedir.rstrip(os.sep))
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cmake_build_dir = os.path.join(build_dir, "build_dummy_project")
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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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idf_py = [sys.executable,
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idf_py_path,
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"-B",
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cmake_build_dir,
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"-C",
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project_path,
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"-D",
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"SDKCONFIG={}".format(os.path.join(build_dir, "dummy_project_sdkconfig"))
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]
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# force a clean idf.py build w/ new sdkconfig each time
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# (not much slower than 'reconfigure', avoids any potential config & build versioning problems
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shutil.rmtree(cmake_build_dir, ignore_errors=True)
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print("Starting new dummy IDF project... ")
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subprocess.check_call(idf_py + ["set-target", app.config.idf_target])
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print("Running CMake on dummy project...")
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subprocess.check_call(idf_py + ["reconfigure"])
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with open(os.path.join(cmake_build_dir, "project_description.json")) as f:
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project_description = json.load(f)
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if project_description["target"] != app.config.idf_target:
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# this shouldn't really happen unless someone has been moving around directories inside _build, as
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# the cmake_build_dir path should be target-specific
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raise RuntimeError(("Error configuring the dummy IDF project for {}. " +
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"Target in project description is {}. " +
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"Is build directory contents corrupt?")
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.format(app.config.idf_target, project_description["target"]))
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app.emit('idf-info', project_description)
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return []
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