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import logging
import os
import re
import sys
from ubuntutools.archive import Dsc
orig_re = re.compile(r'.*\.orig\.tar\.[^.]+$')
component_re = re.compile(r'^(?P<pkgname>.*)_(?P<version>.*)\.orig-(?P<component>[^.]+)\.tar\.[^.]+$')
def component_tarball_matches(tarball, pkgname, version):
m = component_re.match(tarball)
if m:
if m.group('pkgname') != pkgname or m.group('version') != version:
return None
return m
class GitUbuntuDscError(Exception):
pass
class GitUbuntuDsc(Dsc):
def __init__(self, dsc_path):
self._dsc_path = dsc_path
self._dsc_dir = os.path.dirname(os.path.abspath(dsc_path))
self._orig = None
self._components = None
with open(self._dsc_path, 'rb') as dscf:
super(GitUbuntuDsc, self).__init__(dscf)
# adapted from ubuntutools.archive.SourcePackage.verify
def verify(self):
return all(self.verify_file(os.path.join(self.dsc_dir,
entry['name']))
for entry in self['Files'])
@property
def dsc_path(self):
return self._dsc_path
@property
def dsc_dir(self):
return self._dsc_dir
@property
def orig_tarball_path(self):
if self._orig:
return self._orig
orig = None
for entry in self['Files']:
if orig_re.match(entry['name']):
if orig is not None:
raise GitUbuntuDscError('Multiple base '
'orig tarballs in DSC')
orig = os.path.join(self.dsc_dir, entry['name'])
logging.debug('Verifying orig tarball %s', orig)
if not self.verify_file(orig):
raise GitUbuntuDscError('Unable to verify orig '
'tarball %s' % orig)
self._orig = orig
return self._orig
@property
def component_tarball_paths(self):
if self._components is not None:
return self._components
components = {}
for entry in self['Files']:
m = component_re.match(entry['name'])
if m is not None:
component_name = m.group('component')
component = os.path.join(self.dsc_dir, entry['name'])
logging.debug('Verifying component tarball %s', component)
if not self.verify_file(component):
raise GitUbuntuDscError('Unable to verify component '
'tarball %s' % component)
components[component_name] = component
self._components = components
return self._components
@property
def all_tarball_paths(self):
return [self.orig_tarball_path] + list(self.component_tarball_paths.values())
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