Bye bye buildbot 0.7.12.

third_party/buildbot_7_12/buildbot/changes/maildir.py

Index: third_party/buildbot_7_12/buildbot/changes/maildir.py
diff --git a/third_party/buildbot_7_12/buildbot/changes/maildir.py b/third_party/buildbot_7_12/buildbot/changes/maildir.py
deleted file mode 100644
index 2e4a7069fe79b347526a209b627832230fa766a5..0000000000000000000000000000000000000000
--- a/third_party/buildbot_7_12/buildbot/changes/maildir.py
+++ /dev/null
@@ -1,116 +0,0 @@
-
-# This is a class which watches a maildir for new messages. It uses the
-# linux dirwatcher API (if available) to look for new files. The
-# .messageReceived method is invoked with the filename of the new message,
-# relative to the top of the maildir (so it will look like "new/blahblah").
-
-import os
-from twisted.python import log
-from twisted.application import service, internet
-from twisted.internet import reactor
-dnotify = None
-try:
-    import dnotify
-except:
-    # I'm not actually sure this log message gets recorded
-    log.msg("unable to import dnotify, so Maildir will use polling instead")
-
-class NoSuchMaildir(Exception):
-    pass
-
-class MaildirService(service.MultiService):
-    """I watch a maildir for new messages. I should be placed as the service
-    child of some MultiService instance. When running, I use the linux
-    dirwatcher API (if available) or poll for new files in the 'new'
-    subdirectory of my maildir path. When I discover a new message, I invoke
-    my .messageReceived() method with the short filename of the new message,
-    so the full name of the new file can be obtained with
-    os.path.join(maildir, 'new', filename). messageReceived() should be
-    overridden by a subclass to do something useful. I will not move or
-    delete the file on my own: the subclass's messageReceived() should
-    probably do that.
-    """
-    pollinterval = 10  # only used if we don't have DNotify
-
-    def __init__(self, basedir=None):
-        """Create the Maildir watcher. BASEDIR is the maildir directory (the
-        one which contains new/ and tmp/)
-        """
-        service.MultiService.__init__(self)
-        self.basedir = basedir
-        self.files = []
-        self.dnotify = None
-
-    def setBasedir(self, basedir):
-        # some users of MaildirService (scheduler.Try_Jobdir, in particular)
-        # don't know their basedir until setServiceParent, since it is
-        # relative to the buildmaster's basedir. So let them set it late. We
-        # don't actually need it until our own startService.
-        self.basedir = basedir
-
-    def startService(self):
-        service.MultiService.startService(self)
-        self.newdir = os.path.join(self.basedir, "new")
-        if not os.path.isdir(self.basedir) or not os.path.isdir(self.newdir):
-            raise NoSuchMaildir("invalid maildir '%s'" % self.basedir)
-        try:
-            if dnotify:
-                # we must hold an fd open on the directory, so we can get
-                # notified when it changes.
-                self.dnotify = dnotify.DNotify(self.newdir,
-                                               self.dnotify_callback,
-                                               [dnotify.DNotify.DN_CREATE])
-        except (IOError, OverflowError):
-            # IOError is probably linux<2.4.19, which doesn't support
-            # dnotify. OverflowError will occur on some 64-bit machines
-            # because of a python bug
-            log.msg("DNotify failed, falling back to polling")
-        if not self.dnotify:
-            t = internet.TimerService(self.pollinterval, self.poll)
-            t.setServiceParent(self)
-        self.poll()
-
-    def dnotify_callback(self):
-        log.msg("dnotify noticed something, now polling")
-
-        # give it a moment. I found that qmail had problems when the message
-        # was removed from the maildir instantly. It shouldn't, that's what
-        # maildirs are made for. I wasn't able to eyeball any reason for the
-        # problem, and safecat didn't behave the same way, but qmail reports
-        # "Temporary_error_on_maildir_delivery" (qmail-local.c:165,
-        # maildir_child() process exited with rc not in 0,2,3,4). Not sure
-        # why, and I'd have to hack qmail to investigate further, so it's
-        # easier to just wait a second before yanking the message out of new/
-
-        reactor.callLater(0.1, self.poll)
-
-
-    def stopService(self):
-        if self.dnotify:
-            self.dnotify.remove()
-            self.dnotify = None
-        return service.MultiService.stopService(self)
-
-    def poll(self):
-        assert self.basedir
-        # see what's new
-        for f in self.files:
-            if not os.path.isfile(os.path.join(self.newdir, f)):
-                self.files.remove(f)
-        newfiles = []
-        for f in os.listdir(self.newdir):
-            if not f in self.files:
-                newfiles.append(f)
-        self.files.extend(newfiles)
-        # TODO: sort by ctime, then filename, since safecat uses a rather
-        # fine-grained timestamp in the filename
-        for n in newfiles:
-            # TODO: consider catching exceptions in messageReceived
-            self.messageReceived(n)
-
-    def messageReceived(self, filename):
-        """Called when a new file is noticed. Will call
-        self.parent.messageReceived() with a path relative to maildir/new.
-        Should probably be overridden in subclasses."""
-        self.parent.messageReceived(filename)
-