import re
+from dak_exceptions import UnknownFormatError
+
srcformats = []
+def get_format_from_string(txt):
+ """
+ Returns the SourceFormat class that corresponds to the specified .changes
+ Format value. If the string does not match any class, UnknownFormatError
+ is raised.
+ """
+
+ for format in srcformats:
+ if format.re_format.match(txt):
+ return format
+
+ raise UnknownFormatError, "Unknown format %r" % txt
+
class SourceFormat(type):
def __new__(cls, name, bases, attrs):
klass = super(SourceFormat, cls).__new__(cls, name, bases, attrs)
srcformats.append(klass)
+ assert str(klass.name)
+ assert iter(klass.requires)
+ assert iter(klass.disallowed)
+
klass.re_format = re.compile(klass.format)
return klass
-class FormatOne(object):
+ @classmethod
+ def reject_msgs(cls, has):
+ if len(cls.requires) != len([x for x in cls.requires if has[x]]):
+ yield "lack of required files for format %s" % cls.name
+
+ for key in cls.disallowed:
+ if has[key]:
+ yield "contains source files not allowed in format %s" % cls.name
+
+class FormatOne(SourceFormat):
__metaclass__ = SourceFormat
+ name = '1.0'
format = r'1.0'
-class FormatThree(object):
+ requires = ()
+ disallowed = ('debian_tar', 'more_orig_tar')
+
+ @classmethod
+ def reject_msgs(cls, has):
+ if not (has['native_tar_gz'] or (has['orig_tar_gz'] and has['debian_diff'])):
+ yield "no .tar.gz or .orig.tar.gz+.diff.gz in 'Files' field."
+ if has['native_tar_gz'] and has['debian_diff']:
+ yield "native package with diff makes no sense"
+ if (has['orig_tar_gz'] != has['orig_tar']) or \
+ (has['native_tar_gz'] != has['native_tar']):
+ yield "contains source files not allowed in format %s" % cls.name
+
+ for msg in super(FormatOne, cls).reject_msgs(has):
+ yield msg
+
+class FormatThree(SourceFormat):
__metaclass__ = SourceFormat
+ name = '3.x (native)'
format = r'3\.\d+ \(native\)'
-class FormatThreeQuilt(object):
+ requires = ('native_tar',)
+ disallowed = ('orig_tar', 'debian_diff', 'debian_tar', 'more_orig_tar')
+
+class FormatThreeQuilt(SourceFormat):
__metaclass__ = SourceFormat
+ name = '3.x (quilt)'
format = r'3\.\d+ \(quilt\)'
+
+ requires = ('orig_tar', 'debian_tar')
+ disallowed = ('debian_diff', 'native_tar')