3 from regexes import re_verwithext
4 from dak_exceptions import UnknownFormatError
10 Parse a .changes Format string into a tuple representation for easy
13 >>> parse_format('1.0')
15 >>> parse_format('8.4 (hardy)')
18 If the format doesn't match these forms, raises UnknownFormatError.
21 format = re_verwithext.search(txt)
24 raise UnknownFormatError, txt
26 format = format.groups()
29 format = int(float(format[0])), 0, format[2]
31 format = int(format[0]), int(format[1]), format[2]
38 class SourceFormat(type):
39 def __new__(cls, name, bases, attrs):
40 klass = super(SourceFormat, cls).__new__(cls, name, bases, attrs)
41 srcformats.append(klass)
43 assert str(klass.name)
44 assert iter(klass.requires)
45 assert iter(klass.disallowed)
47 klass.re_format = re.compile(klass.format)
52 def reject_msgs(cls, has):
53 if len(cls.requires) != len([x for x in cls.requires if has[x]]):
54 yield "lack of required files for format %s" % cls.name
56 for key in cls.disallowed:
58 yield "contains source files not allowed in format %s" % cls.name
61 def validate_format(cls, format, is_a_dsc=False, field='files'):
63 if format != (1,0) and \
64 format != (3,0,"quilt") and format != (3,0,"native"):
65 raise UnknownFormatError, repr(format)
67 if (format < (1,5) or format > (1,8)):
68 raise UnknownFormatError, repr(format)
69 if field != "files" and format < (1,8):
70 raise UnknownFormatError, repr(format)
72 class FormatOne(SourceFormat):
73 __metaclass__ = SourceFormat
79 disallowed = ('debian_tar', 'more_orig_tar')
82 def reject_msgs(cls, has):
83 if not (has['native_tar_gz'] or (has['orig_tar_gz'] and has['debian_diff'])):
84 yield "no .tar.gz or .orig.tar.gz+.diff.gz in 'Files' field."
85 if has['native_tar_gz'] and has['debian_diff']:
86 yield "native package with diff makes no sense"
87 if (has['orig_tar_gz'] != has['orig_tar']) or \
88 (has['native_tar_gz'] != has['native_tar']):
89 yield "contains source files not allowed in format %s" % cls.name
91 for msg in super(FormatOne, cls).reject_msgs(has):
94 class FormatThree(SourceFormat):
95 __metaclass__ = SourceFormat
98 format = r'3\.\d+ \(native\)'
100 requires = ('native_tar',)
101 disallowed = ('orig_tar', 'debian_diff', 'debian_tar', 'more_orig_tar')
103 class FormatThreeQuilt(SourceFormat):
104 __metaclass__ = SourceFormat
107 format = r'3\.\d+ \(quilt\)'
109 requires = ('orig_tar', 'debian_tar')
110 disallowed = ('debian_diff', 'native_tar')