import sys
import os

sys.stderr.write('Either filter_list or dist_codename '
                 'must be given\n')

up = 42
sys.stderr.write('Upstream %s: no properties defined\n' %
                 up)

key = 42
sys.stderr.write('Upstream %s: missing key: %s\n' %
                 (up, key))

dist = 42
sys.stderr.write('Distribution %s: no properties '
                 'defined\n' % dist)

sys.stderr.write('Distribution %s: missing key: %s\n' %
                 (dist, key))

sys.stderr.write('Distribution %s: no architectures '
                 'defined\n' % dist)

sys.stderr.write('Distribution %s: no supplementary '
                 'suites defined\n' % dist)

suite = 42
sys.stderr.write('Supplementary suite %s-%s: '
                 'missing key: %s\n' %
                 (dist, suite, 'upstream'))

filter_dir_path = '42'
filter_file_name = '42'
filter_file_path = os.path.join(filter_dir_path,
                                filter_file_name)

sys.stderr.write('Unable to load "%s"\n' % filter_file_path)

sys.stderr.write('Filter file "%s" must contain a list '
                 'of source packages\n' % filter_file_path)

item = 42
sys.stderr.write('Filter file "%s": "%s" is not a '
                 'valid source package name\n' %
                 (filter_file_path, item))

def Upstream(*args):
    print args

upstream_name = 42
upstream = {'suite': 42, 'method': 42}
u = Upstream(upstream_name, upstream['suite'],
             upstream['method'])

class D: pass
d = D()
d.codename = '42'
filter_file_path = os.path.join(filter_dir_path,
                                d.codename + '.yaml')
print filter_file_path