import re
-from regexes import re_verwithext
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 parse_format(cls, txt, is_a_dsc=False, field='files'):
- format = re_verwithext.search(txt)
- if not format:
- raise UnknownFormatError, txt
-
- format = format.groups()
- if format[1] == None:
- format = int(float(format[0])), 0, format[2]
- else:
- format = int(format[0]), int(format[1]), format[2]
- if format[2] == None:
- format = format[:2]
-
- if is_a_dsc:
- # format = (0,0) are missing format headers of which we still
- # have some in the archive.
- if format != (1,0) and format != (0,0) and \
- format != (3,0,"quilt") and format != (3,0,"native"):
- raise UnknownFormatError, txt
- else:
- if (format < (1,5) or format > (1,8)):
- raise UnknownFormatError, txt
- if field != "files" and format < (1,8):
- raise UnknownFormatError, txt
-
- return format
-
class FormatOne(SourceFormat):
__metaclass__ = SourceFormat