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46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
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# Copyright (C) 2011, Stefano Rivera <stefanor@debian.org>
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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import json
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import os
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import urllib2
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def rdepends(package, release, arch, recommends=True, suggests=False,
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server='http://qa.ubuntuwire.org/rdepends'):
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"""Look up a packages reverse-dependencies on the Ubuntuwire
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Reverse- webservice
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"""
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url = os.path.join(server, 'v1', release, arch, package)
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try:
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data = json.load(urllib2.urlopen(url))
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except urllib2.HTTPError, e:
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if e.code == 404:
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return []
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raise
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if arch == 'source':
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fields = ('Build-Depends', 'Build-Depends-Indep')
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else:
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fields = ['Depends']
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if recommends:
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fields.append('Recommends')
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if suggests:
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fields.append('Suggests')
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result = set()
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for field in fields:
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result.update(data.get(field, []))
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return list(result)
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