-import re
+#!/usr/bin/python
-from regexes import re_verwithext
-from dak_exceptions import UnknownFormatError
+""" Helper functions for the various source formats
-srcformats = []
+@contact: Debian FTPMaster <ftpmaster@debian.org>
+@copyright: 2009, 2010 Joerg Jaspert <joerg@debian.org>
+@copyright: 2009 Chris Lamb <lamby@debian.org>
+@license: GNU General Public License version 2 or later
+"""
-def parse_format(txt):
- """
- Parse a .changes Format string into a tuple representation for easy
- comparison.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
- >>> parse_format('1.0')
- (1, 0)
- >>> parse_format('8.4 (hardy)')
- (8, 4, 'hardy')
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
- If the format doesn't match these forms, raises UnknownFormatError.
- """
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+################################################################################
+
+# <sgran> hey, I think something's wrong with your git repo
+# <sgran> when I git pulled this last time, I got something that looked almost
+# like python instead of dak
+# <mhy> sgran: slander
+# <sgran> sorry, I take it back, I've had a better look now
- format = re_verwithext.search(txt)
+################################################################################
+import re
- if format is None:
- raise UnknownFormatError, txt
+from dak_exceptions import UnknownFormatError
- format = format.groups()
+srcformats = []
- if format[1] is None:
- format = int(float(format[0])), 0, format[2]
- else:
- format = int(format[0]), int(format[1]), format[2]
+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.
+ """
- if format[2] is None:
- format = format[:2]
+ for format in srcformats:
+ if format.re_format.match(txt):
+ return format
- return format
+ raise UnknownFormatError("Unknown format %r" % txt)
class SourceFormat(type):
def __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'):
- if is_a_dsc:
- if format != (1,0) and \
- format != (3,0,"quilt") and format != (3,0,"native"):
- raise UnknownFormatError, repr(format)
- else:
- if (format < (1,5) or format > (1,8)):
- raise UnknownFormatError, repr(format)
- if field != "files" and format < (1,8):
- raise UnknownFormatError, repr(format)
-
class FormatOne(SourceFormat):
__metaclass__ = SourceFormat