Initial port to python3
[htsworkflow.git] / htsworkflow / automation / spoolwatcher.py
index 25c012dee3c9b9c2b33e53e38ccf61b884d90849..ce08be7eddd0ae55328ab32abddb51bf203f07d2 100644 (file)
@@ -7,98 +7,111 @@ import sys
 import time
 
 from htsworkflow.util import mount
+from htsworkflow.automation.solexa import is_runfolder, get_top_dir
 
 # this uses pyinotify
 import pyinotify
 from pyinotify import EventsCodes
+IN_CREATE = EventsCodes.ALL_FLAGS['IN_CREATE']
+IN_UNMOUNT = EventsCodes.ALL_FLAGS['IN_UNMOUNT']
 
 from benderjab import rpc
 
-def get_top_dir(root, path):
+LOGGER = logging.getLogger(__name__)
+
+class WatcherEvent(object):
     """
-    Return the directory in path that is a subdirectory of root.
-    e.g.
-
-    >>> print get_top_dir('/a/b/c', '/a/b/c/d/e/f')
-    d
-    >>> print get_top_dir('/a/b/c/', '/a/b/c/d/e/f')
-    d
-    >>> print get_top_dir('/a/b/c', '/g/e/f')
-    None
-    >>> print get_top_dir('/a/b/c', '/a/b/c')
-    <BLANKLINE>
+    Track information about a file event
+
+    Currently its time, and if it was an indication we've completed the run.
     """
-    if path.startswith(root):
-        subpath = path[len(root):]
-        if subpath.startswith('/'):
-            subpath = subpath[1:]
-        return subpath.split(os.path.sep)[0]
-    else:
-        return None
-
-class WatcherEvents(object):
-    # two events need to be tracked
-    # one to send startCopy
-    # one to send OMG its broken
-    # OMG its broken needs to stop when we've seen enough
-    #  cycles
-    # this should be per runfolder. 
-    # read the xml files 
-    def __init__(self):
-        pass
-        
+    def __init__(self, event_root=None):
+        self.time = time.time()
+        self.event_root = event_root
+        self.complete = False
+
+    def __unicode__(self):
+        if self.complete:
+           complete = "(completed)"
+        else:
+           complete = ""
+        return "<WatchEvent: %s %s %s>" % (time.ctime(self.time), self.event_root, complete)
 
 class Handler(pyinotify.ProcessEvent):
-    def __init__(self, watchmanager, bot, ipar=False):
+    def __init__(self, watchmanager, bot, completion_files=None):
         """
-        ipar flag indicates we should wait for ipar to finish, instead of 
-             just the run finishing
+        Completion file contains current "completion" filename
         """
         self.last_event = {}
         self.watchmanager = watchmanager
         self.bot = bot
-        self.ipar_mode = ipar
-        if self.ipar_mode:
-            self.last_file = 'IPAR_Netcopy_Complete.txt'.lower()
-        else:
-            self.last_file = "run.completed".lower()
+        self.log = bot.log
+        if completion_files is not None:
+            completion_files = [ x.lower() for x in completion_files ]
+        self.completion_files = completion_files
 
     def process_IN_CREATE(self, event):
         for wdd in self.bot.wdds:
             for watch_path in self.bot.watchdirs:
-                if event.path.startswith(watch_path):
+                run_already_complete = False
+                # I only care about things created inside the watch directory, so
+                # the event path needs to be longer than the watch path in addition to
+                # starting with the watch_path
+                if len(event.path) > len(watch_path) and event.path.startswith(watch_path):
+                    # compute name of the top level directory that had an event
+                    # in the current watch path
                     target = get_top_dir(watch_path, event.path)
-                    self.last_event.setdefault(watch_path, {})[target] = time.time()
+                    runfolder = os.path.join(watch_path, target)
+
+                    if not is_runfolder(target):
+                        self.log.debug("Skipping %s, not a runfolder" % (target,))
+                        continue
+
+                    # grab the previous events for this watch path
+                    watch_path_events = self.last_event.setdefault(watch_path, {})
 
-                    msg = "Create: %s %s %s" % (event.path, event.name, target)
+                    # if we've already seen an event in this directory (AKA runfolder)
+                    # keep track if its already hit the "completed" flag
+                    if target in watch_path_events:
+                       run_already_complete = watch_path_events[target].complete
 
-                    if event.name.lower() == self.last_file:
-                        try:
-                            self.bot.sequencingFinished(event.path)
-                        except IOError, e:
-                            logging.error("Couldn't send sequencingFinished")
-                    logging.debug(msg)
+                    watch_path_events[target] = WatcherEvent(target)
+                    #self.last_event.setdefault(watch_path, {})[target] = WatcherEvent(target)
+
+                    msg = "Create: %s %s %s %s" % (watch_path, target, event.path, event.name)
+
+                    # the ReadPrep step uses some of the same file completion flags as the
+                    # main analysis, which means this completion code might get tripped because of it
+                    # so we need to make sure we're getting the completion file in the root of the
+                    # runfolder
+                    event_name = event.name.lower()
+                    if (event_name in self.completion_files and event.path == runfolder) \
+                      or run_already_complete:
+                        self.last_event[watch_path][target].complete = True
+                        msg += "(completed)"
+
+                    self.log.debug(msg)
 
     def process_IN_DELETE(self, event):
-        logging.debug("Remove: %s" %  os.path.join(event.path, event.name))
+        self.log.debug("Remove: %s" %  os.path.join(event.path, event.name))
         pass
 
     def process_IN_UNMOUNT(self, event):
         pathname = os.path.join(event.path, event.name)
-        logging.debug("IN_UNMOUNT: %s" % (pathname,))
+        self.log.debug("IN_UNMOUNT: %s" % (pathname,))
         self.bot.unmount_watch(event.path)
 
 class SpoolWatcher(rpc.XmlRpcBot):
     """
     Watch a directory and send a message when another process is done writing.
-    
+
     This monitors a directory tree using inotify (linux specific) and
     after some files having been written will send a message after <timeout>
     seconds of no file writing.
-    
+
     (Basically when the solexa machine finishes dumping a round of data
     this'll hopefully send out a message saying hey look theres data available
-    
+
     """
     # these params need to be in the config file
     # I wonder where I should put the documentation
@@ -108,23 +121,25 @@ class SpoolWatcher(rpc.XmlRpcBot):
     #    `write_timeout` - how many seconds to wait for writes to finish to
     #                      the spool
     #    `notify_timeout` - how often to timeout from notify
-    
+    #    `completion_files` - what files indicates we've finished sequencing
+    #                        defaults to: netcopy_complete.txt
+
     def __init__(self, section=None, configfile=None):
         #if configfile is None:
         #    self.configfile = "~/.htsworkflow"
         super(SpoolWatcher, self).__init__(section, configfile)
-        
+
         self.cfg['watchdirs'] = None
         self.cfg['write_timeout'] = 10
         self.cfg['notify_users'] = None
         self.cfg['notify_runner'] = None
-        self.cfg['wait_for_ipar'] = 0
-       
+        self.cfg['completion_files'] = 'ImageAnalysis_Netcopy_complete_READ2.txt ImageAnalysis_Netcopy_complete_SINGLEREAD.txt'
+
         self.watchdirs = []
         self.watchdir_url_map = {}
         self.notify_timeout = 0.001
 
-        self.wm = None 
+        self.wm = None
         self.notify_users = None
         self.notify_runner = None
         self.wdds = []
@@ -134,22 +149,22 @@ class SpoolWatcher(rpc.XmlRpcBot):
         # keep track of which mount points tie to which watch directories
         # so maybe we can remount them.
         self.mounts_to_watches = {}
-        
+
         self.eventTasks.append(self.process_notify)
 
     def read_config(self, section=None, configfile=None):
-        # Don't give in to the temptation to use logging functions here, 
+        # Don't give in to the temptation to use logging functions here,
         # need to wait until after we detach in start
         super(SpoolWatcher, self).read_config(section, configfile)
-        
+
         self.watchdirs = shlex.split(self._check_required_option('watchdirs'))
         # see if there's an alternate url that should be used for the watchdir
         for watchdir in self.watchdirs:
             self.watchdir_url_map[watchdir] = self.cfg.get(watchdir, watchdir)
 
         self.write_timeout = int(self.cfg['write_timeout'])
-        self.wait_for_ipar = int(self.cfg['wait_for_ipar'])
-        
+        self.completion_files = shlex.split(self.cfg['completion_files'])
+
         self.notify_users = self._parse_user_list(self.cfg['notify_users'])
         try:
           self.notify_runner = \
@@ -170,7 +185,7 @@ class SpoolWatcher(rpc.XmlRpcBot):
         # create the watch managers if we need them
         if self.wm is None:
             self.wm = pyinotify.WatchManager()
-            self.handler = Handler(self.wm, self, self.wait_for_ipar)
+            self.handler = Handler(self.wm, self, self.completion_files)
             self.notifier = pyinotify.Notifier(self.wm, self.handler)
 
         # the one tree limit is mostly because self.wdd is a single item
@@ -178,7 +193,7 @@ class SpoolWatcher(rpc.XmlRpcBot):
         if watchdirs is None:
             watchdirs = self.watchdirs
 
-        mask = EventsCodes.IN_CREATE | EventsCodes.IN_UNMOUNT
+        mask = IN_CREATE | IN_UNMOUNT
         # rec traverses the tree and adds all the directories that are there
         # at the start.
         # auto_add will add in new directories as they are created
@@ -190,16 +205,16 @@ class SpoolWatcher(rpc.XmlRpcBot):
                 mounts.append(w)
                 self.mounts_to_watches[mount_location] = mounts
 
-            logging.info(u"Watching:"+unicode(w))
+            self.log.info("Watching:"+str(w))
             self.wdds.append(self.wm.add_watch(w, mask, rec=True, auto_add=True))
 
     def unmount_watch(self, event_path):
-        # remove backwards so we don't get weirdness from 
+        # remove backwards so we don't get weirdness from
         # the list getting shorter
         for i in range(len(self.wdds),0, -1):
             wdd = self.wdds[i]
-            logging.info(u'unmounting: '+unicode(wdd.items()))
-            self.wm.rm_watch(wdd.values())
+            self.log.info('unmounting: '+str(list(wdd.items())))
+            self.wm.rm_watch(list(wdd.values()))
             del self.wdds[i]
         self.mounted = False
 
@@ -208,9 +223,9 @@ class SpoolWatcher(rpc.XmlRpcBot):
         if root_copy_url[-1] != '/':
             root_copy_url += '/'
         copy_url = root_copy_url + list_event_dir
-        logging.debug('Copy url: %s' % (copy_url,))
+        self.log.debug('Copy url: %s' % (copy_url,))
         return copy_url
-                  
+
     def process_notify(self, *args):
         if self.notifier is None:
             # nothing to do yet
@@ -223,21 +238,25 @@ class SpoolWatcher(rpc.XmlRpcBot):
             self.notifier.read_events()
             # should we do something?
         # has something happened?
-        for watchdir, last_events in self.handler.last_event.items():
-            for last_event_dir, last_event_time in last_events.items():
-                time_delta = time.time() - last_event_time
+        for watchdir, last_events in list(self.handler.last_event.items()):
+            for last_event_dir, last_event_detail in list(last_events.items()):
+                time_delta = time.time() - last_event_detail.time
                 if time_delta > self.write_timeout:
+                    LOGGER.info("timeout: %s" % (str(last_event_detail),))
                     copy_url = self.make_copy_url(watchdir, last_event_dir)
                     self.startCopy(copy_url)
+                    if last_event_detail.complete:
+                        self.sequencingFinished(last_event_detail.event_root)
+
                     self.handler.last_event[watchdir] = {}
         # handle unmounted filesystems
-        for mount_point, was_mounted in self.mounted_points.items():
+        for mount_point, was_mounted in list(self.mounted_points.items()):
             if not was_mounted and mount.is_mounted(mount_point):
                 # we've been remounted. Huzzah!
                 # restart the watch
                 for watch in self.mounts_to_watches[mount_point]:
                     self.add_watch(watch)
-                    logging.info(
+                    self.logg.info(
                         "%s was remounted, restarting watch" % \
                             (mount_point)
                     )
@@ -247,23 +266,23 @@ class SpoolWatcher(rpc.XmlRpcBot):
         """
         Parse xmpp chat messages
         """
-        help = u"I can send [copy] message, or squencer [finished]"
-        if re.match(u"help", msg):
+        help = "I can send [copy] message, or squencer [finished]"
+        if re.match("help", msg):
             reply = help
-        elif re.match("copy", msg):            
-            self.startCopy()
-            reply = u"sent copy message"
-        elif re.match(u"finished", msg):
+        elif re.match("copy", msg):
+            self.startCopy(msg)
+            reply = "sent copy message"
+        elif re.match("finished", msg):
             words = msg.split()
             if len(words) == 2:
                 self.sequencingFinished(words[1])
-                reply = u"sending sequencing finished for %s" % (words[1])
+                reply = "sending sequencing finished for %s" % (words[1])
             else:
-                reply = u"need runfolder name"
+                reply = "need runfolder name"
         else:
-            reply = u"I didn't understand '%s'" %(msg)            
+            reply = "I didn't understand '%s'" %(msg)
         return reply
-        
+
     def run(self):
         """
         Start application
@@ -273,7 +292,7 @@ class SpoolWatcher(rpc.XmlRpcBot):
         # after it's initialized.
         self.add_watch()
         super(SpoolWatcher, self).run()
-        
+
     def stop(self):
         """
         shutdown application
@@ -282,27 +301,34 @@ class SpoolWatcher(rpc.XmlRpcBot):
         if self.notifier is not None:
             self.notifier.stop()
         super(SpoolWatcher, self).stop()
-    
+
     def startCopy(self, copy_url=None):
-        logging.debug("writes seem to have stopped")
+        self.log.debug("writes seem to have stopped")
         if self.notify_runner is not None:
             for r in self.notify_runner:
-                self.rpc_send(r, tuple(), 'startCopy')
+                self.rpc_send(r, tuple([copy_url]), 'startCopy')
         if self.notify_users is not None:
             for u in self.notify_users:
                 self.send(u, 'startCopy %s.' % (copy_url,))
-        
+
     def sequencingFinished(self, run_dir):
         # need to strip off self.watchdirs from rundir I suspect.
-        logging.info("run.completed in " + str(run_dir))
-        pattern = self.watch_dir
-        if pattern[-1] != os.path.sep:
-            pattern += os.path.sep
-        stripped_run_dir = re.sub(pattern, "", run_dir)
-        logging.debug("stripped to " + stripped_run_dir)
+        self.log.info("run.completed in " + str(run_dir))
+        for watch in self.watchdirs:
+            if not run_dir.startswith(watch):
+                LOGGER.info("%s didn't start with %s" % (run_dir, watch))
+                continue
+            if watch[-1] != os.path.sep:
+                watch += os.path.sep
+            stripped_run_dir = re.sub(watch, "", run_dir)
+        else:
+            stripped_run_dir = run_dir
+
+        self.log.debug("stripped to " + stripped_run_dir)
         if self.notify_users is not None:
             for u in self.notify_users:
-                self.send(u, 'Sequencing run %s finished' % (stripped_run_dir))
+                self.send(u, 'Sequencing run %s finished' % \
+                          (stripped_run_dir))
         if self.notify_runner is not None:
             for r in self.notify_runner:
                 self.rpc_send(r, (stripped_run_dir,), 'sequencingFinished')
@@ -310,7 +336,7 @@ class SpoolWatcher(rpc.XmlRpcBot):
 def main(args=None):
     bot = SpoolWatcher()
     return bot.main(args)
-    
+
 if __name__ == "__main__":
     ret = main(sys.argv[1:])
     #sys.exit(ret)