1 new commit in galaxy-central:
https://bitbucket.org/galaxy/galaxy-central/changeset/3a1f833d3463/ changeset: 3a1f833d3463 user: greg date: 2012-12-04 20:08:21 summary: Make the HgWebConfigManager thread-safe. affected #: 1 file
diff -r 2635d1bcf9aab951981ddced7315cc0d4bf657b0 -r 3a1f833d3463ff3b5fc82eeff5adc72f1a07c6a9 lib/galaxy/webapps/community/util/hgweb_config.py --- a/lib/galaxy/webapps/community/util/hgweb_config.py +++ b/lib/galaxy/webapps/community/util/hgweb_config.py @@ -1,4 +1,4 @@ -import sys, os, ConfigParser, logging, shutil +import sys, os, ConfigParser, logging, shutil, threading from time import strftime from datetime import date
@@ -15,32 +15,51 @@ self.in_memory_config = None def add_entry( self, lhs, rhs ): """Add an entry in the hgweb.config file for a new repository.""" - # Since we're changing the config, make sure the latest is loaded into memory. - self.read_config( force_read=True ) - # An entry looks something like: repos/test/mira_assembler = database/community_files/000/repo_123. - if rhs.startswith( './' ): - rhs = rhs.replace( './', '', 1 ) - self.make_backup() - # Add the new entry into memory. - self.in_memory_config.set( 'paths', lhs, rhs ) - # Persist our in-memory configuration. - self.write_config() + lock = threading.Lock() + lock.acquire( True ) + try: + # Since we're changing the config, make sure the latest is loaded into memory. + self.read_config( force_read=True ) + # An entry looks something like: repos/test/mira_assembler = database/community_files/000/repo_123. + if rhs.startswith( './' ): + rhs = rhs.replace( './', '', 1 ) + self.make_backup() + # Add the new entry into memory. + self.in_memory_config.set( 'paths', lhs, rhs ) + # Persist our in-memory configuration. + self.write_config() + except Exception, e: + log.debug( "Exception in HgWebConfigManager.add_entry(): %s" % str( e ) ) + finally: + lock.release() def change_entry( self, old_lhs, new_lhs, new_rhs ): """Change an entry in the hgweb.config file for a repository - this only happens when the owner changes the name of the repository.""" - self.make_backup() - # Remove the old entry. - self.in_memory_config.remove_option( 'paths', old_lhs ) - # Add the new entry. - self.in_memory_config.set( 'paths', new_lhs, new_rhs ) - # Persist our in-memory configuration. - self.write_config() + lock = threading.Lock() + lock.acquire( True ) + try: + self.make_backup() + # Remove the old entry. + self.in_memory_config.remove_option( 'paths', old_lhs ) + # Add the new entry. + self.in_memory_config.set( 'paths', new_lhs, new_rhs ) + # Persist our in-memory configuration. + self.write_config() + except Exception, e: + log.debug( "Exception in HgWebConfigManager.change_entry(): %s" % str( e ) ) + finally: + lock.release() def get_entry( self, lhs ): """Return an entry in the hgweb.config file for a repository""" self.read_config() try: entry = self.in_memory_config.get( 'paths', lhs ) except ConfigParser.NoOptionError: - raise Exception( "Entry for repository %s missing in file %s." % ( lhs, self.hgweb_config ) ) + try: + # We have a multi-threaded front-end, so one of the threads may not have the latest version of the hgweb.config file. + self.read_config( force_read=True ) + entry = self.in_memory_config.get( 'paths', lhs ) + except ConfigParser.NoOptionError: + raise Exception( "Entry for repository %s missing in file %s." % ( lhs, self.hgweb_config ) ) return entry @property def hgweb_config( self ):
Repository URL: https://bitbucket.org/galaxy/galaxy-central/
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