1 new changeset in galaxy-central:
http://bitbucket.org/galaxy/galaxy-central/changeset/a5846ac40596/ changeset: r5049:a5846ac40596 user: natefoo date: 2011-02-11 21:01:04 summary: Handle bugs encountered when fetching an egg during a version conflict and a sys.path item has been removed. affected #: 1 file (939 bytes)
--- a/lib/galaxy/eggs/__init__.py Fri Feb 11 14:17:22 2011 -0500 +++ b/lib/galaxy/eggs/__init__.py Fri Feb 11 15:01:04 2011 -0500 @@ -45,6 +45,7 @@ self.crate = crate self.distribution = None self.dir = None + self.removed_location = None if self.name is not None and self.version is not None: self.set_distribution() def set_dir( self ): @@ -103,34 +104,50 @@ pkg_resources.compatible_platforms( tmp_dist.platform, pkg_resources.get_platform() ): return file return None - if self.url is None: - return None - alternative = None - try: - url = self.url + '/' + self.distribution.egg_name() + '.egg' - URLRetriever().retrieve( url, self.distribution.location ) - log.debug( "Fetched %s" % url ) - except IOError, e: - if e[1] == 404 and self.distribution.platform != py: - alternative = find_alternative() - if alternative is None: - return None - else: - return None - if alternative is not None: + def _fetch(): + if self.url is None: + return False + alternative = None try: - url = '/'.join( ( self.url, alternative ) ) - URLRetriever().retrieve( url, os.path.join( self.dir, alternative ) ) + url = self.url + '/' + self.distribution.egg_name() + '.egg' + URLRetriever().retrieve( url, self.distribution.location ) log.debug( "Fetched %s" % url ) except IOError, e: - return None - self.platform = alternative.split( '-', 2 )[-1].rsplit( '.egg', 1 )[0] - self.set_distribution() - self.unpack_if_needed() - self.remove_doppelgangers() - global env - env = get_env() # reset the global Environment object now that we've obtained a new egg - return self.distribution + if e[1] == 404 and self.distribution.platform != py: + alternative = find_alternative() + if alternative is None: + return False + else: + return False + if alternative is not None: + try: + url = '/'.join( ( self.url, alternative ) ) + URLRetriever().retrieve( url, os.path.join( self.dir, alternative ) ) + log.debug( "Fetched %s" % url ) + except IOError, e: + return False + self.platform = alternative.split( '-', 2 )[-1].rsplit( '.egg', 1 )[0] + self.set_distribution() + self.unpack_if_needed() + self.remove_doppelgangers() + return True + # If being called from a version conflict, that code has removed a + # directory from sys.path. That directory could be Python's main lib + # directory (e.g. in the case of wsgiref under 2.6). Temporarily put + # it back during the execution of this code. + if self.removed_location: + sys.path.append( self.removed_location ) + try: + assert _fetch() + rval = self.distribution + except: + rval = None + if self.removed_location: + sys.path.remove( self.removed_location ) + if rval is not None: + global env + env = get_env() # reset the global Environment object now that we've obtained a new egg + return rval def unpack_if_needed( self ): meta = pkg_resources.EggMetadata( zipimport.zipimporter( self.distribution.location ) ) if meta.has_metadata( 'not-zip-safe' ): @@ -200,7 +217,10 @@ sys.path.remove(entry) # if the conflict is a dpeendent egg, fetch that specific egg if egg: + # Store the removed path so the fetch method can use it + egg.removed_location = location r = pkg_resources.working_set.resolve( ( dist.as_requirement(), ), env, egg.fetch ) + egg.removed_location = None else: r = pkg_resources.working_set.resolve( ( dist.as_requirement(), ), env ) # re-add the path if it's a non-egg dir, in case more deps live there
Repository URL: https://bitbucket.org/galaxy/galaxy-central/
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