41 строка
1.2 KiB
Python
41 строка
1.2 KiB
Python
# Copyright 2014 The Emscripten Authors. All rights reserved.
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# Emscripten is available under two separate licenses, the MIT license and the
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# University of Illinois/NCSA Open Source License. Both these licenses can be
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# found in the LICENSE file.
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import os
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from tools.shared import exit_with_error
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ports = []
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ports_by_name = {}
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ports_dir = os.path.dirname(os.path.abspath(__file__))
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def read_ports():
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expected_attrs = ['get', 'clear', 'process_args', 'show', 'needed']
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for filename in os.listdir(ports_dir):
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if not filename.endswith('.py') or filename == '__init__.py':
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continue
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filename = os.path.splitext(filename)[0]
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port = __import__(filename, globals(), level=1)
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ports.append(port)
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port.name = filename
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ports_by_name[port.name] = port
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for a in expected_attrs:
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assert hasattr(port, a), 'port %s is missing %s' % (port, a)
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if not hasattr(port, 'process_dependencies'):
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port.process_dependencies = lambda x: 0
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if not hasattr(port, 'linker_setup'):
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port.linker_setup = lambda x, y: 0
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if not hasattr(port, 'deps'):
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port.deps = []
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for dep in port.deps:
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if dep not in ports_by_name:
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exit_with_error('unknown dependency in port: %s' % dep)
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read_ports()
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