115 lines
3.6 KiB
Python
Executable File
115 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Parse Cargo.toml files for each plugin to collect their external dependencies.
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# Meson will lookup those dependencies using pkg-config to be able to link
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# static Rust plugins into gst-full.
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from argparse import ArgumentParser
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from pathlib import Path
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import sys
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try:
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# Python11 stdlib
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import tomllib
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except ImportError:
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import tomli as tomllib
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PARSER = ArgumentParser()
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PARSER.add_argument('src_dir', type=Path)
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PARSER.add_argument('plugins', nargs='*')
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PARSER.add_argument('--features', action="store_true", help="Get list of features to activate")
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PARSER.add_argument('--gst-version', help="Get list of features to activate")
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# Map plugin name to directory name, for those that does not match.
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RENAMES = {
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'rsaudiofx': 'audiofx',
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'rsfile': 'file',
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'rsflv': 'flavors',
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'rsrtp': 'rtp',
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'rsrtsp': 'rtsp',
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'rswebp': 'webp',
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'rsonvif': 'onvif',
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'rstracers': 'tracers',
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'rsclosedcaption': 'closedcaption',
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'rswebrtc': 'webrtc',
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'rspng': 'png',
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'rsvideofx': 'videofx',
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'rsinter': 'inter',
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'textahead': 'ahead',
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'textwrap': 'wrap',
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}
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class CargoAnalyzer:
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def __init__(self):
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self.src_dir = None
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self.plugins = None
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self.features = False
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self.gst_version = "1.18"
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def extract_version(self, feature_name):
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if feature_name.startswith('v'):
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verindex = 1
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elif feature_name.startswith('gst'):
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verindex = 3
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else:
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return None
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(majver, minver) = feature_name[verindex:].split("_")
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return (int(majver), int(minver))
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def extract_features(self, cargo_data):
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features = cargo_data['features']
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wanted_features = set()
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gst_version_major = int(self.gst_version.split('.')[0])
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gst_version_minor = int(self.gst_version.split('.')[1])
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for (name, value) in features.items():
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version = self.extract_version(name)
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if version is None:
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continue
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(majver, minver) = version
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if gst_version_major < majver or gst_version_minor < minver:
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continue
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wanted_features |= set(value)
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if name.startswith("gst"):
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# Required for some reason for rswebrtc which has a specific feature
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wanted_features |= {f"{cargo_data['package']['name']}/{name}"}
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return wanted_features
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def run(self):
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with (opts.src_dir / 'Cargo.toml').open('rb') as f:
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crates = tomllib.load(f)['workspace']['members']
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res = set()
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for name in opts.plugins:
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if name.startswith('gst'):
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name = name[3:]
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name = RENAMES.get(name, name)
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crate_path = None
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for crate in crates:
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if Path(crate).name == name:
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crate_path = opts.src_dir / crate / 'Cargo.toml'
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assert crate_path
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with crate_path.open('rb') as f:
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data = tomllib.load(f)
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if opts.features:
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res |= self.extract_features(data)
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else:
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try:
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requires = data['package']['metadata']['capi']['pkg_config']['requires_private']
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except KeyError:
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continue
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res.update([i.strip().replace('>', "|>").replace('<', "|<").replace("==", "|==") for i in requires.split(',')])
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return res
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if __name__ == "__main__":
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analyzer = CargoAnalyzer()
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opts = PARSER.parse_args(namespace=analyzer)
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print(','.join(analyzer.run()))
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