Source code for daklib.srcformats
"""Helper functions for the various source formats
@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
"""
# 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.
# 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.
# 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
################################################################################
import re
from .dak_exceptions import UnknownFormatError
srcformats: "list[SourceFormat]" = []
[docs]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)
[docs]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
[docs] @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
[docs]class FormatOne(SourceFormat, metaclass=SourceFormat):
name = "1.0"
format = r"1\.0"
requires = ()
disallowed = ("debian_tar", "more_orig_tar")
[docs] @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
[docs]class FormatThree(SourceFormat, metaclass=SourceFormat):
name = "3.x (native)"
format = r"3\.\d+ \(native\)"
requires = ("native_tar",)
disallowed = ("orig_tar", "debian_diff", "debian_tar", "more_orig_tar")
[docs]class FormatThreeQuilt(SourceFormat, metaclass=SourceFormat):
name = "3.x (quilt)"
format = r"3\.\d+ \(quilt\)"
requires = ("orig_tar", "debian_tar")
disallowed = ("debian_diff", "native_tar")