Read Built-Using info for binary packages

Signed-off-by: Ivo De Decker <ivodd@debian.org>

britney.py

@@ -563,6 +563,7 @@ class Britney(object):
                                          provides,
                                          False,
                                          pkg_id,
+                                         [],
                                          )
 
                 src_data.binaries.add(pkg_id)
@@ -658,6 +659,7 @@ class Britney(object):
                                          [],
                                          False,
                                          pkg_id,
+                                         [],
                                          )
                 src_data.binaries.add(pkg_id)
                 target_suite.binaries[arch][pkg_name] = bin_data

britney2/__init__.py

@@ -215,4 +215,5 @@ BinaryPackage = namedtuple('BinaryPackage', [
     'provides',
     'is_essential',
     'pkg_id',
+    'builtusing',
 ])

britney2/inputs/suiteloader.py

@@ -6,7 +6,7 @@ import sys
 
 from britney2 import SuiteClass, Suite, TargetSuite, Suites, BinaryPackage, BinaryPackageId, SourcePackage
 from britney2.utils import (
-    read_release_file, possibly_compressed, read_sources_file, create_provides_map, parse_provides
+    read_release_file, possibly_compressed, read_sources_file, create_provides_map, parse_provides, parse_builtusing
 )
 
 
@@ -258,6 +258,12 @@ class DebMirrorLikeSuiteContentLoader(SuiteContentLoader):
                 raise AssertionError("%s has wrong architecture (%s) - should be either %s or all" % (
                     str(pkg_id), raw_arch, arch))
 
+            builtusing_raw = get_field('Built-Using')
+            if builtusing_raw:
+                builtusing = parse_builtusing(builtusing_raw, pkg_id=pkg_id, logger=self.logger)
+            else:
+                builtusing = []
+
             dpkg = BinaryPackage(version,
                                  intern(get_field('Section')),
                                  source,
@@ -269,6 +275,7 @@ class DebMirrorLikeSuiteContentLoader(SuiteContentLoader):
                                  provides,
                                  ess,
                                  pkg_id,
+                                 builtusing,
                                  )
 
             # if the source package is available in the distribution, then register this binary package

britney2/utils.py

@@ -880,3 +880,26 @@ def compute_item_name(sources_t, sources_s, source_name, parch):
     if source_name in sources_t and sources_t[source_name].version == sources_s[source_name].version:
         return "%s/%s" % (source_name, parch)
     return source_name
+
+
+def parse_builtusing(builtusing_raw, pkg_id=None, logger=None):
+    parts = apt_pkg.parse_depends(builtusing_raw, False)
+    nbu = []
+    for or_clause in parts:
+        if len(or_clause) != 1:  # pragma: no cover
+            if logger is not None:
+                msg = "Ignoring invalid builtusing in %s: Alternatives [%s]"
+                logger.warning(msg, str(pkg_id), str(or_clause))
+            continue
+        for part in or_clause:
+            bu, bu_version, op = part
+            if op != '=':  # pragma: no cover
+                if logger is not None:
+                    msg = "Ignoring invalid builtusing in %s: %s (%s %s)"
+                    logger.warning(msg, str(pkg_id), bu, op, bu_version)
+                continue
+            bu = sys.intern(bu)
+            bu_version = sys.intern(bu_version)
+            part = (bu, bu_version)
+            nbu.append(part)
+    return nbu

tests/test_policy.py

@@ -82,6 +82,7 @@ def create_bin_package(pkg_id, source_name=None, depends=None, conflicts=None):
         None,
         False,
         pkg_id,
+        [],
         )