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)
if has[key]:
yield "contains source files not allowed in format %s" % cls.name
+ @classmethod
+ def validate_format(cls, format, is_a_dsc=False, field='files'):
+ """
+ Raises UnknownFormatError if the specified format tuple is not valid for
+ this format (for example, the format (1, 0) is not valid for the
+ "3.0 (quilt)" format). Return value is undefined in all other cases.
+ """
+ pass
+
class FormatOne(SourceFormat):
__metaclass__ = SourceFormat
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
+ @classmethod
+ def validate_format(cls, format, is_a_dsc=False, field='files'):
+ msg = "Invalid format %s definition: %r" % (cls.name, format)
+
+ if is_a_dsc:
+ if format != (1, 0):
+ raise UnknownFormatError, msg
+ else:
+ if (format < (1,5) or format > (1,8)):
+ raise UnknownFormatError, msg
+ if field != "files" and format < (1,8):
+ raise UnknownFormatError, msg
+
class FormatThree(SourceFormat):
__metaclass__ = SourceFormat
requires = ('native_tar',)
disallowed = ('orig_tar', 'debian_diff', 'debian_tar', 'more_orig_tar')
+ @classmethod
+ def validate_format(cls, format, **kwargs):
+ if format != (3, 0, 'native'):
+ raise UnknownFormatError, "Invalid format %s definition: %r" % \
+ (cls.name, format)
+
class FormatThreeQuilt(SourceFormat):
__metaclass__ = SourceFormat
requires = ('orig_tar', 'debian_tar')
disallowed = ('debian_diff', 'native_tar')
+
+ @classmethod
+ def validate_format(cls, format, **kwargs):
+ if format != (3, 0, 'quilt'):
+ raise UnknownFormatError, "Invalid format %s definition: %r" % \
+ (cls.name, format)