1""" Helper functions for the various source formats
3@contact: Debian FTPMaster <ftpmaster@debian.org>
4@copyright: 2009, 2010 Joerg Jaspert <joerg@debian.org>
5@copyright: 2009 Chris Lamb <lamby@debian.org>
6@license: GNU General Public License version 2 or later
7"""
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, write to the Free Software
21# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23################################################################################
25# <sgran> hey, I think something's wrong with your git repo
26# <sgran> when I git pulled this last time, I got something that looked almost
27# like python instead of dak
28# <mhy> sgran: slander
29# <sgran> sorry, I take it back, I've had a better look now
31################################################################################
33import re
35from .dak_exceptions import UnknownFormatError
37srcformats: 'list[SourceFormat]' = []
40def get_format_from_string(txt):
41 """
42 Returns the SourceFormat class that corresponds to the specified .changes
43 Format value. If the string does not match any class, UnknownFormatError
44 is raised.
45 """
47 for format in srcformats:
48 if format.re_format.match(txt):
49 return format
51 raise UnknownFormatError("Unknown format %r" % txt)
54class SourceFormat(type):
55 def __new__(cls, name, bases, attrs):
56 klass = super(SourceFormat, cls).__new__(cls, name, bases, attrs)
57 srcformats.append(klass)
59 assert str(klass.name)
60 assert iter(klass.requires)
61 assert iter(klass.disallowed)
63 klass.re_format = re.compile(klass.format)
65 return klass
67 @classmethod
68 def reject_msgs(cls, has):
69 if len(cls.requires) != len([x for x in cls.requires if has[x]]):
70 yield "lack of required files for format %s" % cls.name
72 for key in cls.disallowed:
73 if has[key]:
74 yield "contains source files not allowed in format %s" % cls.name
77class FormatOne(SourceFormat, metaclass=SourceFormat):
78 name = '1.0'
79 format = r'1\.0'
81 requires = ()
82 disallowed = ('debian_tar', 'more_orig_tar')
84 @classmethod
85 def reject_msgs(cls, has):
86 if not (has['native_tar_gz'] or (has['orig_tar_gz'] and has['debian_diff'])):
87 yield "no .tar.gz or .orig.tar.gz+.diff.gz in 'Files' field."
88 if has['native_tar_gz'] and has['debian_diff']:
89 yield "native package with diff makes no sense"
90 if (has['orig_tar_gz'] != has['orig_tar']) or \ 90 ↛ 92line 90 didn't jump to line 92, because the condition on line 90 was never true
91 (has['native_tar_gz'] != has['native_tar']):
92 yield "contains source files not allowed in format %s" % cls.name
94 for msg in super(FormatOne, cls).reject_msgs(has):
95 yield msg
98class FormatThree(SourceFormat, metaclass=SourceFormat):
99 name = '3.x (native)'
100 format = r'3\.\d+ \(native\)'
102 requires = ('native_tar',)
103 disallowed = ('orig_tar', 'debian_diff', 'debian_tar', 'more_orig_tar')
106class FormatThreeQuilt(SourceFormat, metaclass=SourceFormat):
107 name = '3.x (quilt)'
108 format = r'3\.\d+ \(quilt\)'
110 requires = ('orig_tar', 'debian_tar')
111 disallowed = ('debian_diff', 'native_tar')