Drop now unused register_reverses and RDEPENDS

Signed-off-by: Niels Thykier <niels@thykier.net>

britney.py

@@ -200,7 +200,7 @@ from excuse import Excuse
 from migrationitem import MigrationItem
 from hints import HintCollection
 from britney_util import (old_libraries_format, same_source, undo_changes,
-                          register_reverses, compute_reverse_tree,
+                          compute_reverse_tree,
                           read_nuninst, write_nuninst, write_heidi,
                           eval_uninst, newly_uninst, make_migrationitem,
                           write_excuses, write_heidi_delta, write_controlfiles,
@@ -208,7 +208,7 @@ from britney_util import (old_libraries_format, same_source, undo_changes,
                           clone_nuninst)
 from consts import (VERSION, SECTION, BINARIES, MAINTAINER, FAKESRC,
                    SOURCE, SOURCEVER, ARCHITECTURE, DEPENDS, CONFLICTS,
-                   PROVIDES, RDEPENDS, MULTIARCH, ESSENTIAL)
+                   PROVIDES, MULTIARCH, ESSENTIAL)
 
 __author__ = 'Fabio Tranchitella and the Debian Release Team'
 __version__ = '2.0'
@@ -672,7 +672,6 @@ class Britney(object):
                     deps,
                     ', '.join(final_conflicts_list) or None,
                     get_field('Provides'),
-                    [],
                     ess,
                    ]
 
@@ -711,9 +710,6 @@ class Britney(object):
             # add the resulting dictionary to the package list
             packages[pkg] = dpkg
 
-        # loop again on the list of packages to register reverse dependencies and conflicts
-        register_reverses(packages, provides, check_doubles=False)
-
         # return a tuple with the list of real and virtual packages
         return (packages, provides)
 
@@ -2185,14 +2181,6 @@ class Britney(object):
                     affected.update(inst_tester.reverse_dependencies_of(updated_pkg_id))
                     affected.update(inst_tester.negative_dependencies_of(updated_pkg_id))
 
-            # register reverse dependencies and conflicts for the new binary packages
-            if item.architecture == 'source':
-                pkg_iter = (p.split("/")[0] for p in source[BINARIES])
-            else:
-                ext = "/" + item.architecture
-                pkg_iter = (p.split("/")[0] for p in source[BINARIES] if p.endswith(ext))
-            register_reverses(binaries_t_a, provides_t_a, iterator=pkg_iter)
-
             # add/update the source package
             if item.architecture == 'source':
                 sources['testing'][item.package] = sources[item.suite][item.package]

britney_util.py

@@ -33,7 +33,7 @@ import yaml
 from migrationitem import MigrationItem, UnversionnedMigrationItem
 
 from consts import (VERSION, BINARIES, PROVIDES, DEPENDS, CONFLICTS,
-                    RDEPENDS, ARCHITECTURE, SECTION,
+                    ARCHITECTURE, SECTION,
                     SOURCE, SOURCEVER, MAINTAINER, MULTIARCH,
                     ESSENTIAL)
 
@@ -201,49 +201,6 @@ def old_libraries_format(libs):
     return "\n".join("  " + k + ": " + " ".join(libraries[k]) for k in libraries) + "\n"
 
 
-
-def register_reverses(packages, provides, check_doubles=True, iterator=None,
-                      parse_depends=apt_pkg.parse_depends,
-                      DEPENDS=DEPENDS, RDEPENDS=RDEPENDS):
-    """Register reverse dependencies and conflicts for a given
-    sequence of packages
-
-    This method registers the reverse dependencies and conflicts for a
-    given sequence of packages.  "packages" is a table of real
-    packages and "provides" is a table of virtual packages.
-
-    iterator is the sequence of packages for which the reverse
-    relations should be updated.
-
-    The "X=X" parameters are optimizations to avoid "load global" in
-    the loops.
-    """
-    if iterator is None:
-        iterator = packages.keys()
-    else:
-        iterator = ifilter_only(packages, iterator)
-
-    for pkg in iterator:
-        # register the list of the dependencies for the depending packages
-        dependencies = []
-        pkg_data = packages[pkg]
-        if pkg_data[DEPENDS]:
-            dependencies.extend(parse_depends(pkg_data[DEPENDS], False))
-        # go through the list
-        for p in dependencies:
-            for a in p:
-                dep = a[0]
-                # register real packages
-                if dep in packages and (not check_doubles or pkg not in packages[dep][RDEPENDS]):
-                    packages[dep][RDEPENDS].append(pkg)
-                # also register packages which provide the package (if any)
-                if dep in provides:
-                    for i in provides[dep]:
-                        if i not in packages: continue
-                        if not check_doubles or pkg not in packages[i][RDEPENDS]:
-                            packages[i][RDEPENDS].append(pkg)
-
-
 def compute_reverse_tree(inst_tester, affected):
     """Calculate the full dependency tree for a set of packages
 

consts.py

@@ -33,5 +33,4 @@ MULTIARCH = 5
 DEPENDS = 6
 CONFLICTS = 7
 PROVIDES = 8
-RDEPENDS = 9
+ESSENTIAL = 9
-ESSENTIAL = 10