58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
#!/usr/bin/python
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# Copyright (C) 2019-2020 Jelmer Vernooij <jelmer@jelmer.uk>
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# encoding: utf-8
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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 as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import os
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import stat
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import sys
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DEFAULT_PYTHON = "python3"
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class DetailedFailure(Exception):
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def __init__(self, retcode, argv, error):
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self.retcode = retcode
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self.argv = argv
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self.error = error
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def shebang_binary(p):
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if not (os.stat(p).st_mode & stat.S_IEXEC):
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return None
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with open(p, "rb") as f:
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firstline = f.readline()
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if not firstline.startswith(b"#!"):
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return None
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args = firstline[2:].split(b" ")
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if args[0] in (b"/usr/bin/env", b"env"):
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return os.path.basename(args[1].decode()).strip()
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return os.path.basename(args[0].decode()).strip()
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class UpstreamRequirement(object):
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def __init__(self, family, name):
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self.family = family
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self.name = name
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class UpstreamOutput(object):
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def __init__(self, family, name):
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self.family = family
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self.name = name
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