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# SPDX-License-Identifier: CC0-1.0
py3_dep = dependency('python3', required : get_option('pycamera'))
if not py3_dep.found()
pycamera_enabled = false
subdir_done()
endif
pycamera_enabled = true
pybind11_proj = subproject('pybind11')
pybind11_dep = pybind11_proj.get_variable('pybind11_dep')
pycamera_sources = files([
'py_enums.cpp',
'py_geometry.cpp',
'py_helpers.cpp',
'py_main.cpp',
])
# Generate controls
gen_py_controls_input_files = files([
'../../libcamera/control_ids.yaml',
'py_controls_generated.cpp.in',
])
gen_py_controls = files('gen-py-controls.py')
pycamera_sources += custom_target('py_gen_controls',
input : gen_py_controls_input_files,
output : ['py_controls_generated.cpp'],
command : [gen_py_controls, '--mode', 'controls', '-o', '@OUTPUT@', '@INPUT@'])
# Generate properties
gen_py_property_enums_input_files = files([
'../../libcamera/property_ids.yaml',
'py_properties_generated.cpp.in',
])
pycamera_sources += custom_target('py_gen_properties',
input : gen_py_property_enums_input_files,
output : ['py_properties_generated.cpp'],
command : [gen_py_controls, '--mode', 'properties', '-o', '@OUTPUT@', '@INPUT@'])
# Generate formats
gen_py_formats_input_files = files([
'../../libcamera/formats.yaml',
'py_formats_generated.cpp.in',
])
gen_py_formats = files('gen-py-formats.py')
pycamera_sources += custom_target('py_gen_formats',
input : gen_py_formats_input_files,
output : ['py_formats_generated.cpp'],
command : [gen_py_formats, '-o', '@OUTPUT@', '@INPUT@'])
pycamera_deps = [
libcamera_public,
py3_dep,
pybind11_dep,
]
pycamera_args = [
'-fvisibility=hidden',
'-Wno-shadow',
'-DPYBIND11_USE_SMART_HOLDER_AS_DEFAULT',
'-DLIBCAMERA_BASE_PRIVATE',
]
destdir = get_option('libdir') / ('python' + py3_dep.version()) / 'site-packages' / 'libcamera'
pycamera = shared_module('_libcamera',
pycamera_sources,
install : true,
install_dir : destdir,
name_prefix : '',
dependencies : pycamera_deps,
cpp_args : pycamera_args)
# Create symlinks from the build dir to the source dir so that we can use the
# Python module directly from the build dir.
run_command('ln', '-fsrT', files('__init__.py'),
meson.current_build_dir() / '__init__.py',
check: true)
run_command('ln', '-fsrT', meson.current_source_dir() / 'utils',
meson.current_build_dir() / 'utils',
check: true)
install_data(['__init__.py'], install_dir : destdir)
# \todo Generate stubs when building. See https://peps.python.org/pep-0484/#stub-files
# Note: Depends on pybind11-stubgen. To generate pylibcamera stubs:
# $ PYTHONPATH=build/src/py pybind11-stubgen --no-setup-py -o build/src/py libcamera
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