Add downgrade command to downgrade packages more easy.

diff --git a/po/pakfire.pot b/po/pakfire.pot
index 3540349974584083ae69679a0235427897d96a41..7be59cb81b54d157c38d55d3512f52a36c8477b8 100644 (file)
--- a/po/pakfire.pot
+++ b/po/pakfire.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2011-10-16 12:51+0000\n"
+"POT-Creation-Date: 2011-10-16 18:42+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -69,7 +69,7 @@ msgstr ""
 
 #: ../python/pakfire/base.py:203 ../python/pakfire/base.py:233
 #: ../python/pakfire/base.py:279 ../python/pakfire/base.py:330
-#: ../python/pakfire/base.py:363
+#: ../python/pakfire/base.py:383 ../python/pakfire/base.py:403
 msgid "Nothing to do"
 msgstr ""
 
@@ -82,11 +82,16 @@ msgstr ""
 msgid "Excluding %s."
 msgstr ""
 
-#: ../python/pakfire/base.py:475
+#: ../python/pakfire/base.py:371
+#, python-format
+msgid "\"%s\" package does not seem to be installed."
+msgstr ""
+
+#: ../python/pakfire/base.py:515
 msgid "Build command has failed."
 msgstr ""
 
-#: ../python/pakfire/base.py:555
+#: ../python/pakfire/base.py:595
 msgid "Everything is fine."
 msgstr ""
 
@@ -123,249 +128,257 @@ msgstr ""
 msgid "The path where pakfire should operate in."
 msgstr ""
 
-#: ../python/pakfire/cli.py:113
+#: ../python/pakfire/cli.py:115
 msgid "Enable verbose output."
 msgstr ""
 
-#: ../python/pakfire/cli.py:116
+#: ../python/pakfire/cli.py:118
 msgid "Path to a configuration file to load."
 msgstr ""
 
-#: ../python/pakfire/cli.py:119
+#: ../python/pakfire/cli.py:121
 msgid "Disable a repository temporarily."
 msgstr ""
 
-#: ../python/pakfire/cli.py:122
+#: ../python/pakfire/cli.py:124
 msgid "Enable a repository temporarily."
 msgstr ""
 
-#: ../python/pakfire/cli.py:125
+#: ../python/pakfire/cli.py:127
 msgid "Run pakfire in offline mode."
 msgstr ""
 
-#: ../python/pakfire/cli.py:130
+#: ../python/pakfire/cli.py:132
 msgid "Install one or more packages to the system."
 msgstr ""
 
-#: ../python/pakfire/cli.py:132
+#: ../python/pakfire/cli.py:134
 msgid "Give name of at least one package to install."
 msgstr ""
 
-#: ../python/pakfire/cli.py:138
+#: ../python/pakfire/cli.py:140
 msgid "Install one or more packages from the filesystem."
 msgstr ""
 
-#: ../python/pakfire/cli.py:140
+#: ../python/pakfire/cli.py:142
 msgid "Give filename of at least one package."
 msgstr ""
 
-#: ../python/pakfire/cli.py:146
+#: ../python/pakfire/cli.py:148
 msgid "Remove one or more packages from the system."
 msgstr ""
 
-#: ../python/pakfire/cli.py:148
+#: ../python/pakfire/cli.py:150
 msgid "Give name of at least one package to remove."
 msgstr ""
 
-#: ../python/pakfire/cli.py:154
+#: ../python/pakfire/cli.py:156
 msgid "Give a name of a package to update or leave emtpy for all."
 msgstr ""
 
-#: ../python/pakfire/cli.py:156
+#: ../python/pakfire/cli.py:158
 msgid "Exclude package from update."
 msgstr ""
 
-#: ../python/pakfire/cli.py:158
+#: ../python/pakfire/cli.py:160 ../python/pakfire/cli.py:185
 msgid "Allow changing the vendor of packages."
 msgstr ""
 
-#: ../python/pakfire/cli.py:160
+#: ../python/pakfire/cli.py:162 ../python/pakfire/cli.py:187
 msgid "Allow changing the architecture of packages."
 msgstr ""
 
-#: ../python/pakfire/cli.py:165
+#: ../python/pakfire/cli.py:167
 msgid "Update the whole system or one specific package."
 msgstr ""
 
-#: ../python/pakfire/cli.py:172
+#: ../python/pakfire/cli.py:174
 msgid "Check, if there are any updates available."
 msgstr ""
 
-#: ../python/pakfire/cli.py:179
+#: ../python/pakfire/cli.py:181
+msgid "Downgrade one or more packages."
+msgstr ""
+
+#: ../python/pakfire/cli.py:183
+msgid "Give a name of a package to downgrade."
+msgstr ""
+
+#: ../python/pakfire/cli.py:193
 msgid "Print some information about the given package(s)."
 msgstr ""
 
-#: ../python/pakfire/cli.py:181
+#: ../python/pakfire/cli.py:195
 msgid "Give at least the name of one package."
 msgstr ""
 
-#: ../python/pakfire/cli.py:187
+#: ../python/pakfire/cli.py:201
 msgid "Search for a given pattern."
 msgstr ""
 
-#: ../python/pakfire/cli.py:189
+#: ../python/pakfire/cli.py:203
 msgid "A pattern to search for."
 msgstr ""
 
-#: ../python/pakfire/cli.py:195
+#: ../python/pakfire/cli.py:209
 msgid "Get a list of packages that provide a given file or feature."
 msgstr ""
 
-#: ../python/pakfire/cli.py:197
+#: ../python/pakfire/cli.py:211
 msgid "File or feature to search for."
 msgstr ""
 
-#: ../python/pakfire/cli.py:203
+#: ../python/pakfire/cli.py:217
 msgid "Get list of packages that belong to the given group."
 msgstr ""
 
-#: ../python/pakfire/cli.py:205
+#: ../python/pakfire/cli.py:219
 msgid "Group name to search for."
 msgstr ""
 
-#: ../python/pakfire/cli.py:211
+#: ../python/pakfire/cli.py:225
 msgid "Install all packages that belong to the given group."
 msgstr ""
 
-#: ../python/pakfire/cli.py:213
+#: ../python/pakfire/cli.py:227
 msgid "Group name."
 msgstr ""
 
-#: ../python/pakfire/cli.py:219
+#: ../python/pakfire/cli.py:233
 msgid "List all currently enabled repositories."
 msgstr ""
 
-#: ../python/pakfire/cli.py:223
+#: ../python/pakfire/cli.py:237
 msgid "Cleanup commands."
 msgstr ""
 
-#: ../python/pakfire/cli.py:231
+#: ../python/pakfire/cli.py:245
 msgid "Cleanup all temporary files."
 msgstr ""
 
-#: ../python/pakfire/cli.py:237
+#: ../python/pakfire/cli.py:251
 msgid "Check the system for any errors."
 msgstr ""
 
-#: ../python/pakfire/cli.py:243
+#: ../python/pakfire/cli.py:257
 msgid "Check the dependencies for a particular package."
 msgstr ""
 
-#: ../python/pakfire/cli.py:245
+#: ../python/pakfire/cli.py:259
 msgid "Give name of at least one package to check."
 msgstr ""
 
-#: ../python/pakfire/cli.py:313 ../python/pakfire/transaction.py:316
+#: ../python/pakfire/cli.py:335 ../python/pakfire/transaction.py:316
 msgid "Repository"
 msgstr ""
 
-#: ../python/pakfire/cli.py:313
+#: ../python/pakfire/cli.py:335
 msgid "Enabled"
 msgstr ""
 
-#: ../python/pakfire/cli.py:313
+#: ../python/pakfire/cli.py:335
 msgid "Priority"
 msgstr ""
 
-#: ../python/pakfire/cli.py:313
+#: ../python/pakfire/cli.py:335
 msgid "Packages"
 msgstr ""
 
-#: ../python/pakfire/cli.py:325
+#: ../python/pakfire/cli.py:347
 msgid "Cleaning up everything..."
 msgstr ""
 
-#: ../python/pakfire/cli.py:341
+#: ../python/pakfire/cli.py:363
 msgid "You cannot run pakfire-builder in a pakfire chroot."
 msgstr ""
 
-#: ../python/pakfire/cli.py:344 ../python/pakfire/cli.py:601
+#: ../python/pakfire/cli.py:366 ../python/pakfire/cli.py:623
 msgid "Pakfire builder command line interface."
 msgstr ""
 
-#: ../python/pakfire/cli.py:399
+#: ../python/pakfire/cli.py:421
 msgid "Update the package indexes."
 msgstr ""
 
-#: ../python/pakfire/cli.py:405 ../python/pakfire/cli.py:621
+#: ../python/pakfire/cli.py:427 ../python/pakfire/cli.py:643
 msgid "Build one or more packages."
 msgstr ""
 
-#: ../python/pakfire/cli.py:407 ../python/pakfire/cli.py:623
+#: ../python/pakfire/cli.py:429 ../python/pakfire/cli.py:645
 msgid "Give name of at least one package to build."
 msgstr ""
 
-#: ../python/pakfire/cli.py:411 ../python/pakfire/cli.py:627
+#: ../python/pakfire/cli.py:433 ../python/pakfire/cli.py:649
 msgid "Build the package for the given architecture."
 msgstr ""
 
-#: ../python/pakfire/cli.py:413 ../python/pakfire/cli.py:441
-#: ../python/pakfire/cli.py:629
+#: ../python/pakfire/cli.py:435 ../python/pakfire/cli.py:463
+#: ../python/pakfire/cli.py:651
 msgid "Path were the output files should be copied to."
 msgstr ""
 
-#: ../python/pakfire/cli.py:415 ../python/pakfire/cli.py:430
-#: ../python/pakfire/cli.py:631
+#: ../python/pakfire/cli.py:437 ../python/pakfire/cli.py:452
+#: ../python/pakfire/cli.py:653
 msgid "Mode to run in. Is either 'release' or 'development' (default)."
 msgstr ""
 
-#: ../python/pakfire/cli.py:417
+#: ../python/pakfire/cli.py:439
 msgid "Run a shell after a successful build."
 msgstr ""
 
-#: ../python/pakfire/cli.py:422
+#: ../python/pakfire/cli.py:444
 msgid "Go into a shell."
 msgstr ""
 
-#: ../python/pakfire/cli.py:424
+#: ../python/pakfire/cli.py:446
 msgid "Give name of a package."
 msgstr ""
 
-#: ../python/pakfire/cli.py:428
+#: ../python/pakfire/cli.py:450
 msgid "Emulated architecture in the shell."
 msgstr ""
 
-#: ../python/pakfire/cli.py:435
+#: ../python/pakfire/cli.py:457
 msgid "Generate a source package."
 msgstr ""
 
-#: ../python/pakfire/cli.py:437
+#: ../python/pakfire/cli.py:459
 msgid "Give name(s) of a package(s)."
 msgstr ""
 
-#: ../python/pakfire/cli.py:514
+#: ../python/pakfire/cli.py:536
 msgid "Pakfire server command line interface."
 msgstr ""
 
-#: ../python/pakfire/cli.py:551
+#: ../python/pakfire/cli.py:573
 msgid "Request a build job from the server."
 msgstr ""
 
-#: ../python/pakfire/cli.py:557
+#: ../python/pakfire/cli.py:579
 msgid "Send a keepalive to the server."
 msgstr ""
 
-#: ../python/pakfire/cli.py:564
+#: ../python/pakfire/cli.py:586
 msgid "Update all repositories."
 msgstr ""
 
-#: ../python/pakfire/cli.py:570
+#: ../python/pakfire/cli.py:592
 msgid "Repository management commands."
 msgstr ""
 
-#: ../python/pakfire/cli.py:578
+#: ../python/pakfire/cli.py:600
 msgid "Create a new repository index."
 msgstr ""
 
-#: ../python/pakfire/cli.py:579
+#: ../python/pakfire/cli.py:601
 msgid "Path to the packages."
 msgstr ""
 
-#: ../python/pakfire/cli.py:580
+#: ../python/pakfire/cli.py:602
 msgid "Path to input packages."
 msgstr ""
 
-#: ../python/pakfire/cli.py:633
+#: ../python/pakfire/cli.py:655
 msgid "Do not verify build dependencies."
 msgstr ""
 
@@ -499,11 +512,11 @@ msgstr ""
 msgid "File"
 msgstr ""
 
-#: ../python/pakfire/packages/base.py:356
+#: ../python/pakfire/packages/base.py:359
 msgid "Not set"
 msgstr ""
 
-#: ../python/pakfire/packages/base.py:495
+#: ../python/pakfire/packages/base.py:498
 #, python-format
 msgid "Config file saved as %s."
 msgstr ""

diff --git a/python/pakfire/api.py b/python/pakfire/api.py
index 42ebe1715fe5e2d9ff9a0766f757fd0f1be4139a..4092586a5e33e5631daeadda818d3c628e23acf8 100644 (file)
--- a/python/pakfire/api.py
+++ b/python/pakfire/api.py
@@ -51,6 +51,12 @@ def update(pkgs, check=False, excludes=None, allow_vendorchange=False, allow_arc
        return pakfire.update(pkgs, check=check, excludes=excludes,
                allow_vendorchange=allow_vendorchange, allow_archchange=allow_archchange)
 
+def downgrade(pkgs, allow_vendorchange=False, allow_archchange=False, **pakfire_args):
+       pakfire = Pakfire(**pakfire_args)
+
+       return pakfire.downgrade(pkgs,
+               allow_vendorchange=allow_vendorchange, allow_archchange=allow_archchange)
+
 def info(patterns, **pakfire_args):
        # Create pakfire instance.
        pakfire = Pakfire(**pakfire_args)

diff --git a/python/pakfire/base.py b/python/pakfire/base.py
index 4f537be3293a82d663b8116afeb25d4960b3baee..1707e759f0a1e39604419c9008d0c0e5ccaef05e 100644 (file)
--- a/python/pakfire/base.py
+++ b/python/pakfire/base.py
@@ -348,6 +348,46 @@ class Pakfire(object):
                # Run the transaction.
                t.run()
 
+       def downgrade(self, pkgs, allow_vendorchange=False, allow_archchange=False):
+               assert pkgs
+
+               # Create a new request.
+               request = self.create_request()
+
+               # Fill request.
+               for pattern in pkgs:
+                       best = None
+                       for pkg in self.repos.whatprovides(pattern):
+                               # Only consider installed packages.
+                               if not pkg.is_installed():
+                                       continue
+
+                               if best and pkg > best:
+                                       best = pkg
+                               elif best is None:
+                                       best = pkg
+
+                       if best is None:
+                               logging.warning(_("\"%s\" package does not seem to be installed.") % pattern)
+                       else:
+                               rel = self.create_relation("%s<%s" % (best.name, best.friendly_version))
+                               request.install(rel)
+
+               # Solve the request.
+               solver = self.create_solver()
+               t = solver.solve(request, allow_downgrade=True,
+                       allow_vendorchange=allow_vendorchange,
+                       allow_archchange=allow_archchange)
+
+               if not t:
+                       logging.info(_("Nothing to do"))
+                       return
+
+               if not t.cli_yesno():
+                       return
+
+               t.run()
+
        def remove(self, pkgs):
                # Create a new request.
                request = self.create_request()

diff --git a/python/pakfire/cli.py b/python/pakfire/cli.py
index fb5d3c10fa1f07bc808b633b6579feda85d1c1a5..a9baab3dc0b0928abc929e79a5b0d71125ed17ae 100644 (file)
--- a/python/pakfire/cli.py
+++ b/python/pakfire/cli.py
@@ -59,6 +59,7 @@ class Cli(object):
                self.parse_command_search()
                self.parse_command_check_update()
                self.parse_command_update()
+               self.parse_command_downgrade()
                self.parse_command_provides()
                self.parse_command_grouplist()
                self.parse_command_groupinstall()
@@ -76,6 +77,7 @@ class Cli(object):
                        "remove"       : self.handle_remove,
                        "check_update" : self.handle_check_update,
                        "update"       : self.handle_update,
+                       "downgrade"    : self.handle_downgrade,
                        "info"         : self.handle_info,
                        "search"       : self.handle_search,
                        "provides"     : self.handle_provides,
@@ -173,6 +175,18 @@ class Cli(object):
                sub_check_update.add_argument("action", action="store_const", const="check_update")
                self._parse_command_update(sub_check_update)
 
+       def parse_command_downgrade(self):
+               # Implement the "downgrade" command.
+               sub_downgrade = self.sub_commands.add_parser("downgrade",
+                       help=_("Downgrade one or more packages."))
+               sub_downgrade.add_argument("package", nargs="*",
+                       help=_("Give a name of a package to downgrade."))
+               sub_downgrade.add_argument("--allow-vendorchange", action="store_true",
+                       help=_("Allow changing the vendor of packages."))
+               sub_downgrade.add_argument("--allow-archchange", action="store_true",
+                       help=_("Allow changing the architecture of packages."))
+               sub_downgrade.add_argument("action", action="store_const", const="downgrade")
+
        def parse_command_info(self):
                # Implement the "info" command.
                sub_info = self.sub_commands.add_parser("info",
@@ -281,6 +295,14 @@ class Cli(object):
        def handle_check_update(self):
                self.handle_update(check=True)
 
+       def handle_downgrade(self, **args):
+               args.update(self.pakfire_args)
+
+               pakfire.downgrade(self.args.package,
+                       allow_vendorchange=self.args.allow_vendorchange,
+                       allow_archchange=self.args.allow_archchange,
+                       **args)
+
        def handle_install(self):
                pakfire.install(self.args.package, **self.pakfire_args)
 

diff --git a/python/pakfire/packages/base.py b/python/pakfire/packages/base.py
index b2316e94bd26de7eb8483104842f4a9413cd6492..7cbaacdf2a766b51166f8c2bb4767428601e2ff6 100644 (file)
--- a/python/pakfire/packages/base.py
+++ b/python/pakfire/packages/base.py
@@ -308,6 +308,9 @@ class Package(object):
                """
                return "Critical" in self.groups
 
+       def is_installed(self):
+               return self.repo.name == "@system"
+
        @property
        def type(self):
                return self.metadata.get("TYPE", "unknown")