Copy of /usr/share/edos-distcheck/add-sources.py

From unstable's edos-distcheck package. This can be removed again when
there is a newer edos-debcheck in backports.org

diff --git a/bin/add-sources.py b/bin/add-sources.py
new file mode 100644 (file)
index 0000000..6f63260
--- /dev/null
+++ b/bin/add-sources.py
@@ -0,0 +1,122 @@
+#!/usr/bin/python
+
+# Given as input a Packages and a Sources file, produces as output a new
+# Packages containing fake packages which are installable if and only if the
+# corresponding source package has satisfiable build dependencies.
+
+# Copyright (C) 2008 Stefano Zacchiroli <zack@debian.org>
+# 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 3 of the License, or (at your option) any later
+# version.
+
+# $Id: add-sources.py 5957 2008-08-16 18:32:17Z zack $
+
+import string
+import sys
+
+from optparse import OptionParser
+from debian_bundle import deb822
+
+usage = 'Usage: cat Packages | add-sources [OPTION...] Sources ARCH > Packages.new'
+cli = OptionParser(usage=usage)
+cli.add_option('-p', '--prefix', dest='prefix', default='source---',
+        help='set the prefix for fake source packages to PREFIX (default: source---)',
+        metavar='PREFIX')
+(options, args) = cli.parse_args()
+if len(args) != 2:
+    cli.print_help()
+    sys.exit(2)
+sources_file = args[0]
+architecture = args[1]
+
+def pkg_of_src(src):
+    global architecture, options
+    pkg = deb822.Packages()
+    pkg['Package'] = options.prefix + src['Package']
+
+    def dep_for_me(dep):
+        for_me = None
+        if dep['arch'] is None:
+            for_me = True
+        elif dep['arch']:
+            (polarity, _) = dep['arch'][0]
+            if polarity:    # list is inclusive
+                for_me = (True, architecture) in dep['arch']
+            else:   # list is exclusive
+                for_me = not ((False, architecture) in dep['arch'])
+        else:
+            for_me = False
+        return for_me
+
+    def mk_bin_rels(fields, relations):
+        def strip_arch(dep):
+            dep['arch'] = None
+            return dep
+
+        def get_rels(fields, relations):
+            rels = []
+            for name in fields:
+                if relations.has_key(name):
+                    rels.extend(relations[name])
+            return rels
+
+        src_rels = get_rels(fields, relations)
+        bin_rels = []
+        for or_deps in src_rels:
+            my_or_deps = map(strip_arch, filter(dep_for_me, or_deps))
+            if my_or_deps:
+                bin_rels.append(my_or_deps)
+
+        return bin_rels
+
+    def str_of_relations(rels):
+        # XXX this is cut and paste from python-debian's deb822.py, more
+        # precisely it matches the str() method of the PkgRelation class
+        # TODO to be removed as soon as python-debian 0.1.12 hits unstable
+        def pp_arch(arch_spec):
+            (excl, arch) = arch_spec
+            if excl:
+                return arch
+            else:
+                return '!' + arch
+        def pp_atomic_dep(dep):
+            s = dep['name']
+            if dep.has_key('version') and dep['version'] is not None:
+                s += ' (%s %s)' % dep['version']
+            if dep.has_key('arch') and dep['arch'] is not None:
+                s += ' [%s]' % string.join(map(pp_arch, dep['arch']))
+            return s
+        pp_or_dep = lambda deps: string.join(map(pp_atomic_dep, deps), ' | ')
+        return string.join(map(pp_or_dep, rels), ', ')
+
+    for field in ['Version', 'Priority', 'Section', 'Maintainer']:
+        if src.has_key(field):
+            pkg[field] = src[field]
+    bin_depends = mk_bin_rels(['build-depends', 'build-depends-indep'],
+            src.relations)
+    if bin_depends:
+        #pkg['Depends'] = deb822.PkgRelation.str(bin_depends)
+        pkg['Depends'] = str_of_relations(bin_depends)
+    bin_conflicts = mk_bin_rels(['build-conflicts', 'build-conflicts-indep'],
+            src.relations)
+    if bin_conflicts:
+        #pkg['Conflicts'] = deb822.PkgRelation.str(bin_conflicts)
+        pkg['Conflicts'] = str_of_relations(bin_conflicts)
+    pkg['Description'] = 'dummy counterpart of "%s" source package' % \
+            src['Package']
+    pkg['Description'] += "\n I don't exist, go away."
+    pkg['Architecture'] = 'all'
+
+    return pkg
+
+#for pkg in deb822.Packages.iter_paragraphs(sys.stdin):
+for line in sys.stdin:
+    print line,
+print
+for src in deb822.Sources.iter_paragraphs(file(sources_file)):
+    if src['Architecture'] in ['any', 'all'] \
+            or architecture in src['Architecture'].split():
+        pkg = pkg_of_src(src)
+        print pkg
+