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'
+ requires = ()
+ disallowed = ('debian_tar', 'more_orig_tar')
+
@classmethod
- def reject_msgs(cls, has_native_tar, has_native_tar_gz, has_debian_tar, has_debian_diff, has_orig_tar, has_orig_tar_gz, has_more_orig_tar):
- if not (has_native_tar_gz or (has_orig_tar_gz and has_debian_diff)):
+ 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_orig_tar_gz != has_orig_tar) or \
- (has_native_tar_gz != has_native_tar) or \
- has_debian_tar or has_more_orig_tar:
- yield "contains source files not allowed in format 1.0"
+ 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
-class FormatThree(object):
+ for msg in super(FormatOne, cls).reject_msgs(has):
+ yield msg
+
+class FormatThree(SourceFormat):
__metaclass__ = SourceFormat
+ name = '3.x (native)'
format = r'3\.\d+ \(native\)'
- @classmethod
- def reject_msgs(cls, has_native_tar, has_native_tar_gz, has_debian_tar, has_debian_diff, has_orig_tar, has_orig_tar_gz, has_more_orig_tar):
- if not has_native_tar:
- yield "lack required files for format 3.x (native)."
- if has_orig_tar or has_debian_diff or has_debian_tar or has_more_orig_tar:
- yield "contains source files not allowed in format '3.x (native)'"
+ requires = ('native_tar',)
+ disallowed = ('orig_tar', 'debian_diff', 'debian_tar', 'more_orig_tar')
-class FormatThreeQuilt(object):
+class FormatThreeQuilt(SourceFormat):
__metaclass__ = SourceFormat
+ name = '3.x (quilt)'
format = r'3\.\d+ \(quilt\)'
- @classmethod
- def reject_msgs(cls, has_native_tar, has_native_tar_gz, has_debian_tar, has_debian_diff, has_orig_tar, has_orig_tar_gz, has_more_orig_tar):
- if not(has_orig_tar and has_debian_tar):
- yield "lack required files for format '3.x (quilt)'."
- if has_debian_diff or has_native_tar:
- yield "contains source files not allowed in format 3.x (quilt)"
+ requires = ('orig_tar', 'debian_tar')
+ disallowed = ('debian_diff', 'native_tar')