commit:     1ebdf50910a3efaba00f7c64b865cdfdf1cca9e9
Author:     Brian Dolbec <dolsen <AT> gentoo <DOT> org>
AuthorDate: Wed Feb 19 08:22:42 2014 +0000
Commit:     Brian Dolbec <brian.dolbec <AT> gmail <DOT> com>
CommitDate: Fri May  2 23:05:05 2014 +0000
URL:        
http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=1ebdf509

Initial stubbing out of a common SyncBase class

Add copyright
Optimize bin_command handling in __init__().

---
 pym/portage/sync/syncbase.py | 100 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)

diff --git a/pym/portage/sync/syncbase.py b/pym/portage/sync/syncbase.py
new file mode 100644
index 0000000..2b6b8c7
--- /dev/null
+++ b/pym/portage/sync/syncbase.py
@@ -0,0 +1,100 @@
+# Copyright 2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+'''
+Base class for performing sync operations.
+This class contains common initialization code and functions.
+'''
+
+
+import os
+
+import portage
+from portage.util import writemsg_level
+
+
+class SyncBase(object):
+       '''Base Sync class for subclassing'''
+
+       short_desc = "Perform sync operations on repositories"
+
+       @staticmethod
+       def name():
+               return "BlankSync"
+
+
+       def can_progressbar(self, func):
+               return False
+
+
+       def __init__(self, bin_command, bin_pkg):
+               self.options = None
+               self.settings = None
+               self.logger = None
+               self.repo = None
+               self.xterm_titles = None
+               self.spawn_kwargs = None
+               self.bin_command = portage.process.find_binary(bin_command)
+
+               self.has_bin = True
+               if bin_command and self.bin_command is None:
+                       msg = ["Command not found: %s" % bin_command,
+                       "Type \"emerge %s\" to enable %s support." % (bin_pkg, 
bin_command)]
+                       for l in msg:
+                               writemsg_level("!!! %s\n" % l,
+                                       level=self.logger.ERROR, noiselevel=-1)
+                       self.has_bin = False
+
+
+       def _kwargs(self, kwargs):
+               '''Sets internal variables from kwargs'''
+               self.options = kwargs.get('options', {})
+               self.settings = self.options.get('settings', None)
+               self.logger = self.options.get('logger', None)
+               self.repo = self.options.get('repo', None)
+               self.xterm_titles = self.options.get('xterm_titles', False)
+               self.spawn_kwargs = self.options.get('spawn_kwargs', None)
+
+
+       def exists(self, **kwargs):
+               '''Tests whether the repo actually exists'''
+               if kwargs:
+                       self._kwargs(kwargs)
+               elif not self.repo:
+                       return False
+
+
+               if not os.path.exists(self.repo.location):
+                       return False
+               return True
+
+
+       def sync(self, **kwargs):
+               '''Sync the repository'''
+               if kwargs:
+                       self._kwargs(kwargs)
+
+               if not self.has_bin:
+                       return (1, False)
+
+               if not self.exists():
+                       return self.new()
+               return self._sync()
+
+
+       def new(self, **kwargs):
+               '''Do the initial download and install of the repository'''
+               pass
+
+       def _sync(self):
+               '''Update existing repository
+               '''
+               pass
+
+       def post_sync(self, portdb, location, emerge_config):
+               '''repo.sync_type == "Blank":
+               # NOTE: Do this after reloading the config, in case
+               # it did not exist prior to sync, so that the config
+               # and portdb properly account for its existence.
+               '''
+               pass

Reply via email to