34a50a1b82
Instead of using this log (which really isn't a failure) we should instead of just return the looked up locations and then if there really is an error the caller can handle the usage of the looked up locations as they choose fit.
59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2012 Canonical Ltd.
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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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# Copyright (C) 2012 Yahoo! Inc.
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#
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# Author: Scott Moser <scott.moser@canonical.com>
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# Author: Juerg Haefliger <juerg.haefliger@hp.com>
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# Author: Joshua Harlow <harlowja@yahoo-inc.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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def import_module(module_name):
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__import__(module_name)
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return sys.modules[module_name]
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def find_module(base_name, search_paths, required_attrs=None):
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if not required_attrs:
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required_attrs = []
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# NOTE(harlowja): translate the search paths to include the base name.
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lookup_paths = []
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for path in search_paths:
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real_path = []
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if path:
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real_path.extend(path.split("."))
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real_path.append(base_name)
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full_path = '.'.join(real_path)
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lookup_paths.append(full_path)
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found_paths = []
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for full_path in lookup_paths:
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mod = None
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try:
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mod = import_module(full_path)
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except ImportError:
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pass
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if not mod:
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continue
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found_attrs = 0
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for attr in required_attrs:
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if hasattr(mod, attr):
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found_attrs += 1
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if found_attrs == len(required_attrs):
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found_paths.append(full_path)
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return (found_paths, lookup_paths)
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