fixed reindexing, and made some optimizations to reuse repo instances from repo scann list.

rhodecode/lib/indexers/daemon.py

@@ -1,237 +1,243 b''
 #!/usr/bin/env python
 # encoding: utf-8
 # whoosh indexer daemon for rhodecode
 # Copyright (C) 2009-2010 Marcin Kuzminski <[e-mail]>
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; version 2
 # of the License or (at your opinion) any later version of the license.
 # 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA.
 """
 Created on Jan 26, 2010
 
 @author: marcink
 A deamon will read from task table and run tasks
 """
 import sys
 import os
 from os.path import dirname as dn
 from os.path import join as jn
 
 #to get the rhodecode import
 project_path = dn(dn(dn(dn(os.path.realpath(__file__)))))
 sys.path.append(project_path)
 
 from rhodecode.lib.pidlock import LockHeld, DaemonLock
 from rhodecode.model.hg_model import HgModel
 from rhodecode.lib.helpers import safe_unicode
 from whoosh.index import create_in, open_dir
 from shutil import rmtree
 from rhodecode.lib.indexers import INDEX_EXTENSIONS, IDX_LOCATION, SCHEMA, IDX_NAME
 
 from time import mktime
-from vcs.backends import hg
+from vcs.exceptions import ChangesetError
 
 import logging
 
 log = logging.getLogger('whooshIndexer')
 # create logger
 log.setLevel(logging.DEBUG)
 log.propagate = False
 # create console handler and set level to debug
 ch = logging.StreamHandler()
 ch.setLevel(logging.DEBUG)
 
 # create formatter
 formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
 
 # add formatter to ch
 ch.setFormatter(formatter)
 
 # add ch to logger
 log.addHandler(ch)
 
 def scan_paths(root_location):
     return HgModel.repo_scan('/', root_location, None, True)
 
 class WhooshIndexingDaemon(object):
     """
     Deamon for atomic jobs
     """
 
     def __init__(self, indexname='HG_INDEX', repo_location=None):
         self.indexname = indexname
         self.repo_location = repo_location
+        self.repo_paths = scan_paths(self.repo_location)
         self.initial = False
         if not os.path.isdir(IDX_LOCATION):
             os.mkdir(IDX_LOCATION)
             log.info('Cannot run incremental index since it does not'
                      ' yet exist running full build')
             self.initial = True
         
-    def get_paths(self, root_dir):
+    def get_paths(self, repo):
         """
         recursive walk in root dir and return a set of all path in that dir
         based on repository walk function
         """
-        repo = hg.MercurialRepository(root_dir)
         index_paths_ = set()
         for topnode, dirs, files in repo.walk('/', 'tip'):
             for f in files:
-                index_paths_.add(jn(root_dir, f.path))
+                index_paths_.add(jn(repo.path, f.path))
             for dir in dirs:
                 for f in files:
-                    index_paths_.add(jn(root_dir, f.path))
+                    index_paths_.add(jn(repo.path, f.path))
             
         return index_paths_        
 
+    def get_node(self, repo, path):
+        n_path = path[len(repo.path) + 1:]
+        node = repo.get_changeset().get_node(n_path)
+        return node
+    
+    def get_node_mtime(self, node):
+        return mktime(node.last_changeset.date.timetuple())
 
     def add_doc(self, writer, path, repo):
         """Adding doc to writer"""
-        n_path = path[len(repo.path) + 1:]
-        node = repo.get_changeset().get_node(n_path)
+        node = self.get_node(repo, path)
 
         #we just index the content of chosen files
         if node.extension in INDEX_EXTENSIONS:
             log.debug('    >> %s [WITH CONTENT]' % path)
             u_content = node.content
         else:
             log.debug('    >> %s' % path)
             #just index file name without it's content
             u_content = u''
         
         writer.add_document(owner=unicode(repo.contact),
                         repository=safe_unicode(repo.name),
                         path=safe_unicode(path),
                         content=u_content,
-                        modtime=mktime(node.last_changeset.date.timetuple()),
+                        modtime=self.get_node_mtime(node),
                         extension=node.extension)             
 
     
     def build_index(self):
         if os.path.exists(IDX_LOCATION):
             log.debug('removing previous index')
             rmtree(IDX_LOCATION)
             
         if not os.path.exists(IDX_LOCATION):
             os.mkdir(IDX_LOCATION)
         
         idx = create_in(IDX_LOCATION, SCHEMA, indexname=IDX_NAME)
         writer = idx.writer()
         
-        for cnt, repo in enumerate(scan_paths(self.repo_location).values()):
+        for cnt, repo in enumerate(self.repo_paths.values()):
             log.debug('building index @ %s' % repo.path)
         
-            for idx_path in self.get_paths(repo.path):
+            for idx_path in self.get_paths(repo):
                 self.add_doc(writer, idx_path, repo)
+        
+        log.debug('>> COMMITING CHANGES <<')
         writer.commit(merge=True)
-                
         log.debug('>>> FINISHED BUILDING INDEX <<<')
             
     
     def update_index(self):
         log.debug('STARTING INCREMENTAL INDEXING UPDATE')
             
         idx = open_dir(IDX_LOCATION, indexname=self.indexname)
         # The set of all paths in the index
         indexed_paths = set()
         # The set of all paths we need to re-index
         to_index = set()
         
         reader = idx.reader()
         writer = idx.writer()
     
         # Loop over the stored fields in the index
         for fields in reader.all_stored_fields():
             indexed_path = fields['path']
             indexed_paths.add(indexed_path)
     
-            if not os.path.exists(indexed_path):
+            repo = self.repo_paths[fields['repository']]
+            
+            try:
+                node = self.get_node(repo, indexed_path)
+            except ChangesetError:
                 # This file was deleted since it was indexed
                 log.debug('removing from index %s' % indexed_path)
                 writer.delete_by_term('path', indexed_path)
     
             else:
-                # Check if this file was changed since it
-                # was indexed
+                # Check if this file was changed since it was indexed
                 indexed_time = fields['modtime']
-                
-                mtime = os.path.getmtime(indexed_path)
-    
+                mtime = self.get_node_mtime(node)
                 if mtime > indexed_time:
-    
                     # The file has changed, delete it and add it to the list of
                     # files to reindex
                     log.debug('adding to reindex list %s' % indexed_path)
                     writer.delete_by_term('path', indexed_path)
                     to_index.add(indexed_path)
-                    #writer.commit()
     
         # Loop over the files in the filesystem
         # Assume we have a function that gathers the filenames of the
         # documents to be indexed
-        for repo in scan_paths(self.repo_location).values():
-            for path in self.get_paths(repo.path):
+        for repo in self.repo_paths.values():
+            for path in self.get_paths(repo):
                 if path in to_index or path not in indexed_paths:
                     # This is either a file that's changed, or a new file
                     # that wasn't indexed before. So index it!
                     self.add_doc(writer, path, repo)
                     log.debug('reindexing %s' % path)
     
+        log.debug('>> COMMITING CHANGES <<')
         writer.commit(merge=True)
-        #idx.optimize()
-        log.debug('>>> FINISHED <<<')
+        log.debug('>>> FINISHED REBUILDING INDEX <<<')
         
     def run(self, full_index=False):
         """Run daemon"""
         if full_index or self.initial:
             self.build_index()
         else:
             self.update_index()
         
 if __name__ == "__main__":
     arg = sys.argv[1:]
     if len(arg) != 2:
         sys.stderr.write('Please specify indexing type [full|incremental]' 
                          'and path to repositories as script args \n')
         sys.exit()
     
     
     if arg[0] == 'full':
         full_index = True
     elif arg[0] == 'incremental':
         # False means looking just for changes
         full_index = False
     else:
         sys.stdout.write('Please use [full|incremental]' 
                          ' as script first arg \n')
         sys.exit()
     
     if not os.path.isdir(arg[1]):
         sys.stderr.write('%s is not a valid path \n' % arg[1])
         sys.exit()
     else:
         if arg[1].endswith('/'):
             repo_location = arg[1] + '*'
         else:
             repo_location = arg[1] + '/*'
     
     try:
         l = DaemonLock()
         WhooshIndexingDaemon(repo_location=repo_location)\
             .run(full_index=full_index)
         l.release()
         reload(logging)
     except LockHeld:
         sys.exit(1)